JP4669772B2 - Device for preventing forward tilting of drawers in storage furniture - Google Patents

Description

  The present invention relates to an apparatus for preventing a forward tilt of a drawer in a storage furniture such as a wagon or a sleeve cabinet. More specifically, the present invention can be stored by rotating a wheel or the like provided at the lower front of the drawer by closing the drawer. The present invention relates to a drawer forward tilt prevention device.

  In storage furniture such as a wagon or a sleeve cabinet, the lower surface of the front plate of the drawer comes into contact with the floor surface due to the forward tilt when the drawer is opened, or the storage furniture itself is tilted forward by the forward tilt of the drawer. Sometimes. As a forward tilt prevention device for preventing the forward tilt generated when the drawer is opened, there is a device provided with a wheel or the like at the front lower portion of the drawer (see, for example, Patent Documents 1 to 3). Also, the drawers are designed so that the wheels do not interfere with the opening / closing operation of the drawers, or the wheels, etc. are not visible when the drawer is closed, and have the same appearance as storage furniture without a forward tilt prevention device. There are some which can be accommodated by rotating the wheel or the like by the closing operation (see, for example, Patent Document 4 or 5).

  The structure of the forward tilt prevention device according to Patent Document 4 is provided with a leg piece pivotally attached to the lower part of the drawer back plate and a wheel pivotally supported, and is projected coaxially with the pivot axis at the base of the leg piece. A pivot piece provided with a hook-shaped engagement protrusion at the tip, a horizontal upper edge portion for horizontally supporting the leg piece, and a direction opposite to the tip of the leg piece forward from the front end of the horizontal upper edge portion And a guide stand having an inclined upper edge portion inclined downward. When the drawer is opened, the engagement protrusion slides on the inclined upper edge from the horizontal upper edge, and the leg piece rotates in the vertical direction by gravity so that the wheel can be grounded. When the drawer is closed, the engaging piece engages with the horizontal upper edge after engaging with the inclined upper edge, so that the leg piece rotates upward as the drawer is closed. It becomes horizontal, and it will be in the accommodation state accommodated in the lower part of the said drawer back board.

  In addition, the structure of the forward tilt prevention device according to Patent Document 5 includes a rotating rod having an operating arm protruding at the rear end portion and pivotally supported in the front and rear direction of the lower surface of the drawer bottom plate, and the front end portion of the rotating rod. A wheel attached along the bottom plate via a fixture, two guide rails in which the positions of the front end and the rear end of the cabinet body are shifted laterally in the bent portion in the front-rear direction of the cabinet body, And a seat that contacts the base surface of the fixture in a groundable state, and the operating arm is engaged with the guide rail. When the drawer is opened, the operating arm is rotated by the guide rail at the bent portion of the guide rail, the wheel is brought into a groundable state, and the base surface of the wheel fixture and the receiving member are placed. When the seat abuts and the drawer is closed, the operating arm rotates in the opposite direction at the bent portion of the guide rail, so that the wheel is stored in the main body along the bottom plate of the drawer. Become.

Japanese Utility Model Publication No. 52-40892 (Fig. 1-2) Japanese Utility Model Publication No. 55-102848 (FIGS. 1 and 4) Utility Model Registration No. 2543413 (Fig. 1-2) Japanese Utility Model Publication No. 49-44831 (Fig. 1-5) Japanese Utility Model Publication No. 60-22833 (Fig. 1-4)

  In the conventional forward tilt prevention apparatus for storage furniture that can store the wheels and the like as described above, in the forward tilt prevention apparatus according to Patent Document 4, the rotation piece provided on the leg piece is engaged. In order to bring the abutment piece into contact with the inclined upper edge of the guide stand by gravity, and to turn the leg piece by sliding the edge to bring the wheel into the groundable state or the storage state, Since the leg pieces are not held in the groundable state, the leg pieces become unstable, and there is a problem that the reliability of the forward tilt prevention operation of the drawer is lacking. Further, since the engaging protrusion slides on the horizontal upper edge and the inclined upper edge, there is a problem that the forward tilt preventing operation becomes unstable due to wear of the sliding portion. Furthermore, there is a problem that noise is generated by the sliding.

  In the configuration of the forward tilt prevention device according to Patent Document 5, the operating arm slides in a state of being in contact with the rear guide rail by gravity, transfers to the front guide rail at the bent portion, and forward guides by gravity. It slides in contact with the rail, and the base surface of the wheel mounting tool and the seat are brought into contact with each other and held in the groundable state. A gap is required for the arms to engage and move while moving in the front-rear direction. Therefore, there is a problem that noise is generated at the time of sliding, at the time of transfer, and at the time of contact between the base surface and the seat. In addition, due to wear of the sliding portion, there is a problem that noise during the transfer and the like is increased and reliability of the forward tilt prevention operation of the drawer is lowered.

  The present invention has been made to solve the above-described problems, and since the operation of bringing the wheels and the like into a groundable state or a retracted state by opening and closing the drawer can be performed quietly and smoothly, An object of the present invention is to provide a drawer forward tilt prevention device for storage furniture that can improve the reliability of operation over a long period of time.

  In order to solve the above problem, the forward tilt prevention device for the drawer in the storage furniture according to the present invention is supported by the front support member and the rear support member provided at the front and rear of the lower part of the drawer of the storage furniture, and the front and rear portions are supported by the support member. A pivoting rod extending in the front-rear direction that is rotatable about a longitudinal horizontal axis, and projecting in a substantially pivoting radial direction at a front portion of the pivoting rod, and supporting a grounded rolling element at a tip portion. A support arm, an operation arm provided at a rear portion of the pivot rod and having a portion spaced apart from the pivot axis in the pivot radius direction as a driven portion, and on the front side or the rear side of the rear support member, A slide that is supported so as to be slidable in the left-right direction directly or indirectly to the drawer, and that has an engaging portion with which the driven portion of the operating arm engages with the guide rolling element pivotally supported around the hanging shaft. And the bottom of the drawer with the drawer closed A rear guide rail extending in the front-rear direction and provided in the lower part of the storage furniture main body at a height position spaced downward, and a front guide extending in the front-rear direction from the rear guide rail so as to be spaced forward and left or right. And a guide rail that engages with the guide rolling element, the guide rolling element being in the state where the drawer is closed, the guide rolling element being the rear guide rail. And the support arm is held in a substantially horizontal state, and when the drawer is opened, the guide rolling element moves from the rear guide rail to the front guide rail via the intermediate guide rail. The slide member moves to the left or right, and the operating arm moves to the left or right via the driven portion that engages with the slide member. The times Do杆 is rotated being driven, the support arm is held in a state of being suspended, the ground rolling elements and serves as a ground state.

  Here, the operating arm is formed by bending the rear part of the rotating rod in a substantially rotating radial direction, the tip thereof is bent in a substantially front-rear direction to form the driven part, and the driven part is engaged. It is preferable that the engaging portion of the slide member is a long hole whose major axis is substantially in the vertical direction.

  The slide member is preferably supported by the rear support member so as to be slidable in the left-right direction.

  Furthermore, it is preferable that the guide rail is a substantially U-shaped channel material with its upper part opened.

  According to the forward tilt prevention device for the drawer in the storage furniture according to the present invention, the front support member and the rear support member provided at the front and back of the lower portion of the drawer of the storage furniture, and the front and rear portions are supported by the support member, A pivot rod extending forward and backward that is pivotable around, a support arm that protrudes in a substantially pivot radial direction at a front portion of the pivot rod, and supports a grounded rolling element at a tip portion; Directly or indirectly to the drawer at the front side or the rear side of the rear support member and the operating arm provided at the rear part of the rotary rod and having a portion spaced apart from the rotary axis in the rotary radial direction as a driven part And a slide member having an engaging portion with which a driven portion of the operation arm is engaged, and a guide rolling element rotatably supported about a hanging shaft. With the door closed and spaced downward from the bottom of the drawer In this position, a rear guide rail extending substantially frontward and rearwardly provided at a lower portion of the storage furniture body, a front guide rail extending frontward and rearward from the rear guide rail forward and left or right, and And a guide rail that engages with the guide rolling element, the guide rolling element being engaged with the rear guide rail when the drawer is closed. The support arm is in a storage state in which the support arm is held substantially horizontally, and the guide rolling element moves along the front guide rail from the rear guide rail via the intermediate guide rail by the operation of opening the drawer. Therefore, the slide member moves to the left or right, and the operating arm is driven to the left or right via the driven portion that engages with the slide member. Since the swinging lever rotates and the support arm is held in a suspended state, and the grounded rolling element is in a groundable state, the support arm and the grounded rolling element do not interfere with the opening / closing operation of the drawer, and the drawer When the door is closed, the support arm and the ground rolling element cannot be seen, so that it can have the same appearance as the storage furniture without the forward tilt prevention device. In addition, since the operation of bringing the wheels and the like into a groundable state or a retracted state can be performed quietly and smoothly by opening and closing the drawer, the reliability of the operation can be improved over a long period of time.

  In addition, the operating arm is formed by bending a rear portion of the rotating rod in a substantially rotating radial direction, and a tip thereof is bent in a substantially front-rear direction to be the driven portion, and the driven portion is engaged with the operating arm. When the engaging portion of the slide member is formed as a long hole having a major axis in the substantially vertical direction, the operation arm and the engaging portion have a simple configuration, so that the operation reliability can be improved and the cost can be reduced.

  Further, when the slide member is supported by the rear support member so as to be slidable in the left-right direction, there is no need to provide support means for supporting the slide member in the drawer, and the rear support member is guided by the slide member. Therefore, assembling is facilitated, the number of parts can be reduced, and cost can be reduced.

  Furthermore, when the guide rail is a substantially U-shaped channel member having an open top, the guide rolling element can be easily and reliably guided and the cost can be reduced with a simple configuration. . Further, in the groundable state, the left and right standing pieces of the channel material reliably regulate the movement of the guide rolling element in the left-right direction, so that the support arm is stably and reliably held in the groundable state. .

  Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments shown in the accompanying drawings, and all the embodiments that satisfy the requirements described in the claims are described. Is included. When the drawer has only one stage, the drawer is provided with the forward tilt prevention device according to the present invention. When the drawer has multiple stages, the lowermost drawer has the forward tilt of the drawer according to the present invention. A prevention device is provided. Moreover, in this specification, the front side of the wagon shown as an example of storage furniture (the side in which the drawer is opened) is the front, the rear side of the wagon (the side in which the drawer is closed) is the rear, Is left and right.

  1-3 is explanatory drawing which shows the structure of the wagon in which the forward tilt prevention apparatus of drawer | drawing-out in the storage furniture based on Embodiment of this invention was used, FIG. 1 is a vertical right side view, FIG. FIG. 3 is an enlarged right side view of the longitudinal direction of the rear support member. FIG. 2A shows a state in which the drawer is closed, and FIGS. 1, 2B and 3 show that the drawer is opened. Shows the state. 4-6 is explanatory drawing which shows the structure of the drawer | tilt forward tilt prevention apparatus in the storage furniture based on Embodiment of this invention, FIG. 4 is a perspective view, FIG. 5 is a disassembled perspective view, FIG. FIG. 4 is an exploded perspective view showing the rear support member in an enlarged manner, FIG. 4 (a) shows a state in which the drawer is closed, and FIG. 4 (b) shows a state in which the drawer is opened.

  1 to 3, a wagon 1 as an example of storage furniture has two upper and lower drawers 6 and 7 that can be opened and closed by the upper rails 3 and 3 and the lower rails 4 and 4 of the wagon body 2. Casters 5,... In the state where the lower drawer 7 is opened as shown in FIGS. 1 and 2B, the grounded rolling element 24 such as a wheel or a roller is in a groundable state V as will be described later, and when the drawer 7 is opened, The forward tilt of the drawer 7 is prevented. Therefore, it is possible to prevent the lower surface of the front plate of the drawer 7 from coming into contact with the floor surface FL due to the forward tilt that occurs when the drawer 7 is opened, or the wagon 1 itself from being tilted forward due to the forward tilt of the drawer 7. The

  Further, in the state where the drawer 7 is closed as shown in FIG. 2A, the support arm 22 and the grounded rolling element 24 are rotated by the operation of closing the drawer 7 as will be described later to be in the storage state H. 22 and the grounding rolling element 24 do not interfere with the opening / closing operation of the drawer 7, and when the drawer 7 is closed, the support arm 22 and the grounding rolling element 24 are not visible, so that the appearance is the same as a wagon without a drawer forward tilt prevention device. can do.

  As shown in FIG. 1, for example, a front support member 11 and a rear support member 12 made of steel are attached to the front and rear of the lower portion of the drawer 7. That is, the front support member 11 is screwed to the lower front portion of the bottom plate 8 of the drawer 7 and the rear support member 12 is screwed to the lower portion of the back plate 9 of the drawer 7. As shown in FIGS. 4 and 5, for example, a steel turning rod 21 extending in the front-rear direction is inserted into the through holes 11 a, 13 a of the front support member 11 and the rear support member 12 to support the support members 11, 12. The front and rear portions are supported by the rotation and can be rotated about the front and rear horizontal axis. A bush made of synthetic resin such as polyacetal, polypropylene, or nylon may be provided between the through holes 11a, 13a and the rotary rod 21.

  A support arm 22 made of, for example, steel protrudes in a substantially rotating radial direction at the front portion of the rotating rod 21, and the supporting arm 22 rolls around a support shaft 24 a in the rotating circumferential direction at the distal end portion thereof. The rolling surface supports a grounded rolling element 24 made of a synthetic resin such as polyacetal, polypropylene, or nylon. In addition, an operating arm 23 is provided at the rear portion of the rotating rod 21. The operating arm 23 has a portion spaced from the rotating axis in the rotating radial direction as a driven portion 25. The driven portion 25 is driven by a slide member 31 as will be described later. As shown in FIGS. 4 to 6, for example, the operating arm 23 may be formed by bending the rear portion of the rotating rod 21 in the substantially rotating radial direction and bending the tip thereof substantially rearward to form the driven portion 25. . Alternatively, the driven portion 25 can be formed by bending the tip substantially forward.

  As shown in FIGS. 4 to 6, the rear support member 12 includes a vertical front plate 13 extending in the left and right direction, a rear stepped down from the lower edge of the front plate 13, and a rolling surface such as polyacetal or polypropylene. Alternatively, it includes a rolling element support plate 14 that supports left and right slide support rolling elements 15, 15 made of synthetic resin such as nylon and the like with support shafts 15 a, 15 a in the front-rear direction, and the right side of the front plate 13 extends downward. The through hole 13a is formed in the lower part. As shown in FIG. 3, the rear support member 12 is pulled out to the left and right nuts 16 and 16 (see also FIG. 6) welded to the front plate 13 in a state where the rear support member 12 is in contact with the back plate 7 of the drawer 7. The bolts 17 and 17 are screwed from the inside of the bolt 7 to be easily and firmly fixed to the drawer 7.

  As shown in FIGS. 4 to 6, for example, the steel slide member 31 has a rolling surface whose guide rolling element 33 is made of a synthetic resin such as polyacetal, polypropylene, or nylon so that the slide surface 31 is rotatable around a hanging shaft 33 a. A horizontal lower plate 32 that pivots to the left and right and a rail-shaped guide portion 34 that extends in the left-right direction with which the slide support rolling elements 15 and 15 engage at the rear portion of the lower plate 32, from the guide portion to the right. The rear plate 35 includes a vertically extending rear plate 35. The rear plate 35 has a major axis in a substantially vertical direction, which is an engaging portion 36 with which the driven portion 25 of the operating arm 23 provided on the rotating rod 21 is engaged. A long hole 37 is formed.

  The operating arm 23 may be configured to expand and contract in the rotational radius direction of the rotary rod 21, and the engaging portion 36 of the slide member 31 with which the driven portion 25 of the operating arm 23 engages may be a round hole or the like. However, as in the present embodiment, the operating arm 23 is formed by bending the rear portion of the rotating rod 21 in the substantially rotating radial direction, and bending the tip thereof in the substantially front-rear direction to form the driven portion 25, If the engaging portion 36 of the slide member 31 with which the portion 25 engages is a long hole 37 having the substantially vertical direction as the long axis, the operating arm 23 and the engaging portion 36 have a simple configuration, and hence the operation described later is performed. Reliability can be improved and costs can be reduced. Further, a bush made of a synthetic resin such as polyacetal, polypropylene, or nylon may be provided between the engaging portion 36 (the long hole 37) and the driven portion 25, for example.

  The slide member 31 is engaged with the slide support rolling elements 15 and 15 of the rear support member 12 in the guide portion 34. Therefore, the slide member 31 has a simple configuration and the left and right directions on the rear side of the rear support member 12 by the rear support member 12. It is slidably supported in a stable and reliable manner. The guide portion 34 is formed such that the distance between the upper and lower surfaces thereof is, for example, about 1 mm larger than the outer diameter of the slide support rolling element 15. Since the sliding support rolling elements 15 and 15 to be engaged roll, the moving operation is performed smoothly. Further, the moving operation is performed by the slide support rolling elements 15 and 15 rolling without sliding with the upper and lower inner surfaces of the guide portion 34, and the rolling surfaces of the slide support rolling elements 15 and 15 are combined as described above. Since it is made of resin, it is performed quietly.

  Here, on the front side of the rear support member 12, the slide member 31 may be supported by the rear support member 12 so as to be slidable in the left-right direction, or may be supported by the drawer 7 so as to be directly slidable in the left-right direction. However, according to the configuration in which the slide member 31 is supported by the rear support member 12 as in the present embodiment, since the rear support member 12 is also used as a guide for the slide member 31, assembly is facilitated and the number of parts is increased. The cost can be reduced.

  FIG. 1 shows a state in which the drawers 6 and 7 are opened, but the wagon body 2 at a height position spaced downward from the bottom surface of the drawer 7 (the lower surface of the bottom plate 8) with the drawer 7 closed. A guide rail 41 that engages with the guide rolling element 33 of the slide member 31 is provided substantially horizontally on the lower plate 40. That is, as shown in FIGS. 4 and 5, the guide rail 41 includes a rear guide rail 42 that extends in the front-rear direction, a front guide rail 43 that extends forward and rearward from the rear guide rail 42, and a front-rear guide rail 43. The intermediate part guide rail 44 which connects between the guide rails 43 and 42 is comprised. The front guide rail 43 may be separated from the rear guide rail 42 in the forward and left directions and extend in the front-rear direction.

  As shown in FIGS. 4 to 6, the guide rail 41 is a substantially U-shaped channel member made of, for example, steel and opened upward from an upright piece 41 a, 41 b erected from the left and right side edges of the bottom plate 41 c. Therefore, the guide rolling element 33 can be easily and reliably guided with a simple configuration, and the cost can be reduced. The guide rail 41 is formed such that the distance between the upright pieces 41a and 41b is, for example, about 1 mm larger than the outer diameter of the guide rolling element 33. Therefore, the guide rolling element 33 passes through the guide rail 41 in the rail. Roll along smoothly. Further, the movement of the slide 31 member along the guide rail 41 includes the fact that the guide rolling element 33 rolls in the guide rail 41 without sliding with the upright pieces 41a and 41b, and the guide rolling element as described above. Since the rolling surface 33 is made of synthetic resin, it is performed quietly.

  Next, the operation of the drawer forward tilt prevention apparatus in the storage furniture according to the embodiment of the present invention will be described with reference to FIGS. When the drawer 7 (see FIG. 1) shown in FIGS. 2A and 4A is closed, the guide rolling element 33 of the slide member 31 is engaged with the rear guide rail 42, and the slide member 31 is engaged. Is located on the left side of the left and right slide strokes.

  Therefore, the driven portion 25 of the operating arm 23 provided on the rotating rod 21 that engages with the engaging portion 36 of the slide member 31 is also located on the left side (see FIG. 2A). The support arm 22 provided on 21 and the grounded rolling element 24 pivotally supported by the support arm 22 are held substantially horizontally and are in the storage state H. In this housed state H, the guide rolling element 33 is reliably restricted in movement in the left-right direction by the left and right standing pieces 41a, 41b extending in the front-rear direction of the rear guide rail 42, so that the support arm 22 and the like are also stable. And it is held securely.

  When the drawer 7 is opened from the state in which the drawer 7 shown in FIGS. 2A and 4A is closed (see arrow A in the figure), the front support member 11, the rear support member 12, the rotary rod 21, and the slide The member 31 and the like move forward together with the drawer 7, and the guide rolling element 33 of the slide member 31 also moves forward while being engaged with the rear guide rail 42. When the drawer 7 is further opened (see arrow A in the figure), the guide rolling element 33 is moved to the front guide rail via the intermediate guide rail 44 as shown in FIGS. 2 (b) and 4 (b). 43 is engaged.

  In a state where the guide rolling element 33 is engaged with the intermediate guide rail 44, the guide rolling element 33 moves to the right along the intermediate guide rail 44 according to the forward movement (see FIG. 4B). In the state where the guide rolling element 33 is engaged with the front guide rail 43, the guide rolling element 33 moves only forward. As the guide rolling element moves to the right, the slide member 31 is positioned on the right side of the left and right slide strokes.

  Accordingly, the driven portion 25 of the operating arm 23 provided on the rotating rod 21 that engages with the engaging portion 36 of the slide member 31 is also located on the right side (see FIG. 2B). The support arm 22 provided on 21 and the grounding rolling element 24 pivotally supported by the support arm 22 hang down from the horizontal state (see arrow C in FIG. 4B) and are held in this state, The rolling element 24 is in a groundable state V. In this groundable state V, the guide rolling element 33 is reliably restricted from moving in the left-right direction by the left and right standing pieces 41a, 41b extending in the front-rear direction of the front guide rail 43. Is held stably and reliably. Therefore, it is possible to prevent the forward tilt that occurs when the drawer 7 is opened stably and reliably.

  When the drawer 7 is moved from the opened state to the closing direction, the support arm 22 and the grounding rolling element 24 are moved from the groundable state V where the support arm 22 and the grounding rolling element 24 are suspended, by the operation opposite to the above operation. Is in the storage state H held substantially horizontally.

  As described above, the front guide rail 43 and the rear guide rail 42 that are fixed on the lower plate 40 at the lower part of the wagon body 2 and extend in the front-rear direction of the guide rolling element 33 that engages with the guide rail in the left-right direction. In order to restrict movement, the support arm 22 and the like are stably and reliably held in the groundable state V and the storage state H. Further, since the guide rolling element 33 is engaged with the guide rail 41, the operation of bringing the grounded rolling element 24 and the like into a groundable state or a retracted state by opening and closing the drawer can be performed quietly and smoothly. The reliability of the operation can be improved over a long period.

It is a vertical right view which shows the structure of the wagon in which the forward tilt prevention apparatus of the drawer in the storage furniture which concerns on embodiment of this invention was used. It is a longitudinal section similarly, (a) has shown the state which closed the drawer, (b) has shown the state which opened the drawer. It is a vertical right side view showing the periphery of the rear support member in an enlarged manner. It is a perspective view which shows the structure of the forward tilt prevention apparatus of the drawer in the storage furniture which concerns on embodiment of this invention, (a) has shown the state which closed the drawer, (b) has shown the state which opened the drawer. . It is an exploded perspective view similarly. It is a disassembled perspective view which expands and shows the back support member periphery similarly.

Explanation of symbols

H Storage state V Grounding possible state FL Floor 1 Wagon (storage furniture)
2 Wagon body (storage furniture body)
3, 4 Rail 5 Casters 6, 7 Drawer 8 Bottom plate 9 Back plate 11 Front support member 11a Through hole 12 Rear support member 13 Front plate 13a Through hole 14 Rolling body support plate 15 Slide support rolling element 15a Support shaft 16 Nut 17 Bolt 21 Rotating rod 22 Support arm 23 Operating arm 24 Grounding rolling element 24a Support shaft 25 Driven portion 31 Slide member 32 Lower plate 33 Guide rolling element 33a Support shaft (hanging shaft)
34 Guide part 35 Rear plate 36 Engagement part 37 Long hole 40 Lower plate 41 Guide rail 41a, 41b Standing piece 41c Bottom plate 42 Rear guide rail 43 Front guide rail 44 Middle part guide rail

Claims (4)

A front support member and a rear support member provided at the front and rear of the lower part of the drawer of the storage furniture;
A front and rear portion supported by the support member, and a front and rear pivot rod that is pivotable about a front and rear horizontal axis;
A support arm that protrudes in a substantially rotating radial direction at the front portion of the rotating rod, and that supports a grounded rolling element at a tip portion;
An operating arm provided at a rear portion of the rotating rod and having a portion separated from the rotating axis in the rotating radial direction as a driven portion;
At the front side or rear side of the rear support member, it is supported so as to be slidable in the left-right direction directly or indirectly on the drawer, and is supported by a guide rolling element so as to be rotatable about a drooping shaft. A slide member having an engagement portion with which the drive portion engages;
A rear guide rail extending in the front-rear direction at a height position spaced downward from the bottom surface of the drawer with the drawer closed, and extending forward and backward from the rear guide rail. A front guide rail that is separated from the right and extends forward and backward, and an intermediate guide rail that connects between the front and rear guide rails, and the guide rail that the guide rolling element engages with,
When the drawer is closed, the guide rolling element engages with the rear guide rail and the support arm is held in a substantially horizontal state, and the opening of the drawer causes the guide rolling element to move to the rear part. Because the slide member moves from the guide rail along the front guide rail via the intermediate guide rail, the slide member moves to the left or right, and through the driven portion engaged with the slide member. In the storage furniture, wherein the operating arm is driven left or right to rotate the rotating rod, the support arm is held in a suspended state, and the grounded rolling element is in a groundable state. Anti-tilt device for drawers.   The slide member in which the operating arm is formed by bending a rear portion of the rotating rod in a substantially rotating radial direction, and bending the tip end thereof in a substantially front-rear direction to form the driven portion. The apparatus for preventing forward tilting of drawers in storage furniture according to claim 1, wherein the engaging portion is a long hole whose major axis is substantially in the vertical direction.   The apparatus for preventing forward tilting of drawers in storage furniture according to claim 1, wherein the slide member is slidably supported by the rear support member in the left-right direction. The apparatus according to claim 1, wherein the guide rail is a substantially U-shaped channel member that opens upward.

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