CA1052251A - Rotatable, sliding seat with height adjustment - Google Patents
Rotatable, sliding seat with height adjustmentInfo
- Publication number
- CA1052251A CA1052251A CA310,499A CA310499A CA1052251A CA 1052251 A CA1052251 A CA 1052251A CA 310499 A CA310499 A CA 310499A CA 1052251 A CA1052251 A CA 1052251A
- Authority
- CA
- Canada
- Prior art keywords
- seat
- shaft
- carriage
- latch
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000033001 locomotion Effects 0.000 claims description 26
- 102100033740 Tenomodulin Human genes 0.000 description 1
- 101710114852 Tenomodulin Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
Abstract
ROTATABLE, SLIDING SEAT WITH HEIGHT ADJUSTMENT
Abstract A seat supporting assembly for use in vehicles such as tractors or the like wherein the seat is surrounded in relatively close relationship by obstructions such as controls which make it difficult for the vehicle operator to get into and out of the seat. The seat supporting assembly provides means for supporting the vehicle seat such that the seat may be moved rearwardly and then rotated to permit access to or egress from the seat. The assembly also provides means which prevent rotation of the seat unless it has been moved to its furthest rearward position. The seat supporting assembly further includes means to facilitate vertical adjustment of the seat and to secure the seat in its desired vertical position.
Abstract A seat supporting assembly for use in vehicles such as tractors or the like wherein the seat is surrounded in relatively close relationship by obstructions such as controls which make it difficult for the vehicle operator to get into and out of the seat. The seat supporting assembly provides means for supporting the vehicle seat such that the seat may be moved rearwardly and then rotated to permit access to or egress from the seat. The assembly also provides means which prevent rotation of the seat unless it has been moved to its furthest rearward position. The seat supporting assembly further includes means to facilitate vertical adjustment of the seat and to secure the seat in its desired vertical position.
Description
- ~
105;~ 51 Background of the Invsntion The present invention relates to means for supporting seats used in mobile vehicles such as tractors and more particularly to means which facilitate access by a vehicle operator to a seat which is positioned in relatively close relationship to obstructions around the seat.
In vehicles such as tractors, the operator's seat may be surrounded in relatively close relationship by obstructions such as controls and the like which make it difficult for the operator to get into and out of the seat since these obstructions prevent free movement of his legs. It is desirable, therefore, that the seat be movable from an operating position to a position which facilitates access thereto by the vehicle operator.
Summary of the Invention The present invention is concerned with the provision of means for supporting a vehicle seat which permits the seat to be moved in a rearward direction and then rotated whereby the operator positioned in the seat can move away from control instruments and other obstructions such that he is free to leave the seat.
According to the present invention there is provided a seat ~-; assembly for a mobile vehicle and for rotatably and slideably supporting a seat, said assembly comprising: a carriage for supporting said seat, said carriage including parallel shaft members; a rigid, stationary and generally vertical shaft securable to said vehicle; a support frame for slideably supporting said carriage for fore and aft movement, said support frame being rotatably supported by said vertical shaft, said support frame including a sleeve rotatably received on said generally vertical shaft, a horizontal bottom wall supported by said sleeve, a pair of opposed spaced apart up-wardly extending walls supported by said bottom wall~ and a pair of parallel spaced apart guide tubes supported by said upwardly extending walls, said guide tubes each supporting one of said parallel shaft members therein in slideable reciprocating movement whereby said carriage is slideably mounted "
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on sai.d frame for reciprocating movement relative thereto and between fore and aft positions, and further including latch means for selectively pre- ~;
venting rotational movement of said support frame with respect to said shaft and operably connected between said shaft and said support frame and a releasing member operably connected to and carried by said carriage for disengaging said latch means when said carriage is moved to said aft position thereby permitting rotational movement of said support frame after said carriage has been slid to said aft position, said latch means including a stationary latch member fixed to said vertical shaft and a shiftable latch member shiftably supported by said frame, said shiftable latch membeT
including an elongated latch shaft positioned vertically and a swingable member, said elongated shaft being supported by said swingable member for swinging movement about a vertical axis spaced from said elongated latch :
shaft for engagement with said stationary latch member.
lOS'~ZSl Brief Description of the Drawings FIGURE 1 is a perspective view of the seat supporting assem-bly of ihe present invention.
FIGURE 2 is a side elevation view of the seat supporting as-sembly shown in FIG. 1 and showing the vehicle seat in its forward operatLng position.
FIGURE 3 is an end elevation view of the seat supporting as-sembly shown in FIG. 2.
FIGURE 4 is an enlarged partial cross-sectionaL side view of 1OD the seat supporting assembly shown in FIG. 2.
FIGURE 5 is an enlarged partial cross-sectional end view of the seat supporting assembly shown in FIG. 3. . .
FIGURE 6 is a plan view of the seat supporting assembly shown in FIGS. 1-5 and partially cut-away in the interest of clarity.
FIGURE 7 is a plan view s~nilar to that shown in FIG. 6 but showing the seat supporting assembly in.its fully retracted position with the latch means disengaged to permit rotation.
FIGU:RE 8 is a partial view of that shown in FIG. 7 and show-ing the seat supporting assembly during rotation.
20. FIGURE 9 is a view similar to FIGS. 7 and 8 but showing theseat supporting assembly in a position wherein the seat has been rotated 180 relative to the seat position in FIG. 7.
lOS;~Z51 Description of the Preferred Embodiment The seat supporting assembly of the present invention is gen-erally comprised of a seat supporting carriage 2, a rotatable supporting frame 4 and a ri~id vertically extending ;,upport shaft 6. The rigid vertically extending support shaft 6 rotatably supports the rotatable supporting frame 4, and the rotatable supporting assembly 4 in turn supports the seat supporting carriage 2 in such a manner as to permit generally horizontal sliding recipro-cating movement of the carriage and of the seat 8 supported thereon.
More specifically, the structure of the seat supporting assem-10, bly of the invention is comprised of a base plate 10 which can be bolted by -means of bolts 11 to a supporting surface of a vehicle such as a tractor or the like. The vertically positioned support shaf~ 6 is welded to the base plate 10 and is thus rigidly supported. The support shaft 6 includes a plurality of horizontally extending bores 12 through its lower portions and spaced Ln gen-erally vertical relationship. The bores 12 are designed to receive a pin 13 which has a length somewhat greater than the diameter of the shaft 6 such that the ends of the pin 13 can extend outwardly from opposite sides of the shaft. The purpose of the pin 13 is to support a rotatable sleeve 14 which is received around the shaft 6 and is freely rotatable therewith. A cup washer 200 or disc 16 on th~ shaft 6 is positioned between the lower end of the rotatable sleeve 14 and rests upon the pin 13. The washer 16 includes a generally downwardly extendin~ peripheral lip 17 which is received against opposite ends of the pin 13 to prevent the pin from axial movement within the horizontal bores 12~ By moving the rotatable sleeve 14 and the washer 16 upwardly, however, the pin 13 can be removed and placed in another of the various bores 12 to provide for vertical adjustment of the seat 8.
_5_ ', -. , -' . ~ , .
.
lQS~Z51 The rotatable seat supporting frame 4 is generally comprised of the rotatal~le sleeve 1~, a pair of horiæontally extending parallel guide tubes 18 and a guide tube support assembly. The structure of the guide tube support assembly is best shown in FIGS. 2-5 and includes a guide tube supporting frame 22 welded to the rotatable sleeve 14 and a pair of curved brace members 21 welded to the rotatable sleeve 14 at their lower ends and urelded to the bottom of the frame 22 at their upper ends. The guide tube supporting frame 22 is comprised of a bottom wall 23 including a bore for receiving the upper portion of the rotatable sleeve 14, and a pair of inte-lOo grally connected upwardly extending parallel opposed walls 24 for supporting the guide tubes 18 therebetween. Opposite ends of the guide tubes 18 are received within concave indentations 25 in the outer upper corners of the up-wardly extending opposed walls 24, as shown in FIG. 5, and are welded there-to such that they are rigidly securedO The guide tubes 18 function to receive and slideably support a pair of parallel horizontal fore and aft extending shafts 27 and 28 which comprise part of the seat supporting carriage 2.
The seat supporting carriage 2 is generally comprised of a rectangular generally horizontal frame 26 supported by the shafts 27 and 28 which are slideably receivable in the guide tubes 18. The frame 26 is com-20L prised of a pair of longitudinally extendin~ elongated channels or rails 29 and 31 which support opposite sides of the seat 8. The opposite ends of each of the channels 29 and 31 are rigidly secured to laterally extending shaft supporting members 32 and 33. The shaft suppor~ing mernbers 32 and 33 each include shaft receiving sleeves 34 for supporting opposite ends of the shafts 27 and 28~, Pins 35 are received through bores in the shaft receivin~
sleeves 34 and through the ends of shafts 27 and 28 to rigidly secure the lOS'~;251 shafts 27 and ~8 with respect to the seat supporting frame 26. As best shown in FIG. ;), the elongated channels 29 and 31 each include an outer wall portion 36, a top wall 37 and an inside wall portion 38. The channel 29 also includes aligned bores 39 and 41 in its respective walls 36 and 38 l,Yhich receive a laterally inwardly extending end 40 of an angular shaped lever 42. A pin 43 extends laterally through the lever end 40 and is received within a diagonally extending slot 44. As can be seen in FIG. 6, rotation of the lever ~2 will cause the pin 43 to move diagonally along the slot 44 and thus cause generally outward movement of the lever end 40. The inwardly extending end 40 of the 10. lever 42 is biased inwardly by a spring 19 which is compressed between the wall portion 36 and the pin 43, and is designed to be received in abutting rela-tionship against the forward end surface 50 of an angular longitudinally extend- ~ -ing stop member 46 which is secured to the upper surfaces of the respective walls 24. iIt is readily apparent that when the lever 42 is in the position shown in FIG. 6, the frame assembly 2 is restricted against rearward movement, i. e., movement to the right. The angular stop member 46 also includes a plurality of spaced bores 45 for receiving the end 40 of lever 42 to permit variable positioning of the seat 8 as desired by the vehicle operator.
A rigid angular latch member 51 is boUed by bolts 52 to the 20. upper end of the support shaft 6. The latch member 51 is non-rotatable and is designed to function in conjunction with a swingable latch member 54 to prohibit pivotal or rotational movement of the seat support frame 4 around the shaft B except when the seat 8 has been moved rearwardly to its extreme position as will be described. The swingable latch member 54 is comprised of an upper latch arm 56 pivotably mounted by a latch pivot pin 57 to the 105'~251 angular stop member 46. The swingable latch member 54 also includes a lower latch support arm ~8 operably connected to the latch arm 56 by a ver- .;
tically extending latch shaft 59. The vertically extending latch shaft S9 is welded to the outer end OI the latch support arm 58 and to a point intermediate the ends of the upper latch arm 56. Like the upper latch arm 56, the lower latch arm is pivotably mounted at one end by a latch pivot pin 57 e~tendin~
through a bore in the bottom plate 23. The lower end of the vertical latch shaft 59 is received within a lon~itudinally extending shaft receiving slot 61 in the bottom wall 23 to provide for lirnited swingable movement of the pivotable 10. latch member 54. The upper end of the vertical latch shaft 59 is received `--within a generally U-shaped notch 62 in the end of the latch member 51. When the pivotal latch member 54 is positioned, as shown in FIG. 6, the vertical latch shaft 59 is seated in the notch 62 so as to prevent pivotal movement of the vehicle seat 8. The pivotable latch member 54 is biased into engagement with the latch member 51 by means of a spring 64 secured at one end to the lower end of the shaft 59 and at its other end to the frame 22.
When the seat is in the position shown in FIGS. 2-6, and it is desired that the seat be moved to permit the operator to get out of the seat.
the operator can pull up on lever 42 moving it in a generally clockwise direc-20. tion. Clockwise :movement of the lever 42 causes the pin 43, received i~ slot 44, to move the lever 42 in an outward direction, a5 will be seen from FIGS.
5-6. Such movement of the lever 42 outwardly, permits the seat and the seat supporting frame 26 to be moved rearwardly (or to the right as seen in FIGS.
105;~ 51 Background of the Invsntion The present invention relates to means for supporting seats used in mobile vehicles such as tractors and more particularly to means which facilitate access by a vehicle operator to a seat which is positioned in relatively close relationship to obstructions around the seat.
In vehicles such as tractors, the operator's seat may be surrounded in relatively close relationship by obstructions such as controls and the like which make it difficult for the operator to get into and out of the seat since these obstructions prevent free movement of his legs. It is desirable, therefore, that the seat be movable from an operating position to a position which facilitates access thereto by the vehicle operator.
Summary of the Invention The present invention is concerned with the provision of means for supporting a vehicle seat which permits the seat to be moved in a rearward direction and then rotated whereby the operator positioned in the seat can move away from control instruments and other obstructions such that he is free to leave the seat.
According to the present invention there is provided a seat ~-; assembly for a mobile vehicle and for rotatably and slideably supporting a seat, said assembly comprising: a carriage for supporting said seat, said carriage including parallel shaft members; a rigid, stationary and generally vertical shaft securable to said vehicle; a support frame for slideably supporting said carriage for fore and aft movement, said support frame being rotatably supported by said vertical shaft, said support frame including a sleeve rotatably received on said generally vertical shaft, a horizontal bottom wall supported by said sleeve, a pair of opposed spaced apart up-wardly extending walls supported by said bottom wall~ and a pair of parallel spaced apart guide tubes supported by said upwardly extending walls, said guide tubes each supporting one of said parallel shaft members therein in slideable reciprocating movement whereby said carriage is slideably mounted "
,~
~, .
~(~5;~25~
on sai.d frame for reciprocating movement relative thereto and between fore and aft positions, and further including latch means for selectively pre- ~;
venting rotational movement of said support frame with respect to said shaft and operably connected between said shaft and said support frame and a releasing member operably connected to and carried by said carriage for disengaging said latch means when said carriage is moved to said aft position thereby permitting rotational movement of said support frame after said carriage has been slid to said aft position, said latch means including a stationary latch member fixed to said vertical shaft and a shiftable latch member shiftably supported by said frame, said shiftable latch membeT
including an elongated latch shaft positioned vertically and a swingable member, said elongated shaft being supported by said swingable member for swinging movement about a vertical axis spaced from said elongated latch :
shaft for engagement with said stationary latch member.
lOS'~ZSl Brief Description of the Drawings FIGURE 1 is a perspective view of the seat supporting assem-bly of ihe present invention.
FIGURE 2 is a side elevation view of the seat supporting as-sembly shown in FIG. 1 and showing the vehicle seat in its forward operatLng position.
FIGURE 3 is an end elevation view of the seat supporting as-sembly shown in FIG. 2.
FIGURE 4 is an enlarged partial cross-sectionaL side view of 1OD the seat supporting assembly shown in FIG. 2.
FIGURE 5 is an enlarged partial cross-sectional end view of the seat supporting assembly shown in FIG. 3. . .
FIGURE 6 is a plan view of the seat supporting assembly shown in FIGS. 1-5 and partially cut-away in the interest of clarity.
FIGURE 7 is a plan view s~nilar to that shown in FIG. 6 but showing the seat supporting assembly in.its fully retracted position with the latch means disengaged to permit rotation.
FIGU:RE 8 is a partial view of that shown in FIG. 7 and show-ing the seat supporting assembly during rotation.
20. FIGURE 9 is a view similar to FIGS. 7 and 8 but showing theseat supporting assembly in a position wherein the seat has been rotated 180 relative to the seat position in FIG. 7.
lOS;~Z51 Description of the Preferred Embodiment The seat supporting assembly of the present invention is gen-erally comprised of a seat supporting carriage 2, a rotatable supporting frame 4 and a ri~id vertically extending ;,upport shaft 6. The rigid vertically extending support shaft 6 rotatably supports the rotatable supporting frame 4, and the rotatable supporting assembly 4 in turn supports the seat supporting carriage 2 in such a manner as to permit generally horizontal sliding recipro-cating movement of the carriage and of the seat 8 supported thereon.
More specifically, the structure of the seat supporting assem-10, bly of the invention is comprised of a base plate 10 which can be bolted by -means of bolts 11 to a supporting surface of a vehicle such as a tractor or the like. The vertically positioned support shaf~ 6 is welded to the base plate 10 and is thus rigidly supported. The support shaft 6 includes a plurality of horizontally extending bores 12 through its lower portions and spaced Ln gen-erally vertical relationship. The bores 12 are designed to receive a pin 13 which has a length somewhat greater than the diameter of the shaft 6 such that the ends of the pin 13 can extend outwardly from opposite sides of the shaft. The purpose of the pin 13 is to support a rotatable sleeve 14 which is received around the shaft 6 and is freely rotatable therewith. A cup washer 200 or disc 16 on th~ shaft 6 is positioned between the lower end of the rotatable sleeve 14 and rests upon the pin 13. The washer 16 includes a generally downwardly extendin~ peripheral lip 17 which is received against opposite ends of the pin 13 to prevent the pin from axial movement within the horizontal bores 12~ By moving the rotatable sleeve 14 and the washer 16 upwardly, however, the pin 13 can be removed and placed in another of the various bores 12 to provide for vertical adjustment of the seat 8.
_5_ ', -. , -' . ~ , .
.
lQS~Z51 The rotatable seat supporting frame 4 is generally comprised of the rotatal~le sleeve 1~, a pair of horiæontally extending parallel guide tubes 18 and a guide tube support assembly. The structure of the guide tube support assembly is best shown in FIGS. 2-5 and includes a guide tube supporting frame 22 welded to the rotatable sleeve 14 and a pair of curved brace members 21 welded to the rotatable sleeve 14 at their lower ends and urelded to the bottom of the frame 22 at their upper ends. The guide tube supporting frame 22 is comprised of a bottom wall 23 including a bore for receiving the upper portion of the rotatable sleeve 14, and a pair of inte-lOo grally connected upwardly extending parallel opposed walls 24 for supporting the guide tubes 18 therebetween. Opposite ends of the guide tubes 18 are received within concave indentations 25 in the outer upper corners of the up-wardly extending opposed walls 24, as shown in FIG. 5, and are welded there-to such that they are rigidly securedO The guide tubes 18 function to receive and slideably support a pair of parallel horizontal fore and aft extending shafts 27 and 28 which comprise part of the seat supporting carriage 2.
The seat supporting carriage 2 is generally comprised of a rectangular generally horizontal frame 26 supported by the shafts 27 and 28 which are slideably receivable in the guide tubes 18. The frame 26 is com-20L prised of a pair of longitudinally extendin~ elongated channels or rails 29 and 31 which support opposite sides of the seat 8. The opposite ends of each of the channels 29 and 31 are rigidly secured to laterally extending shaft supporting members 32 and 33. The shaft suppor~ing mernbers 32 and 33 each include shaft receiving sleeves 34 for supporting opposite ends of the shafts 27 and 28~, Pins 35 are received through bores in the shaft receivin~
sleeves 34 and through the ends of shafts 27 and 28 to rigidly secure the lOS'~;251 shafts 27 and ~8 with respect to the seat supporting frame 26. As best shown in FIG. ;), the elongated channels 29 and 31 each include an outer wall portion 36, a top wall 37 and an inside wall portion 38. The channel 29 also includes aligned bores 39 and 41 in its respective walls 36 and 38 l,Yhich receive a laterally inwardly extending end 40 of an angular shaped lever 42. A pin 43 extends laterally through the lever end 40 and is received within a diagonally extending slot 44. As can be seen in FIG. 6, rotation of the lever ~2 will cause the pin 43 to move diagonally along the slot 44 and thus cause generally outward movement of the lever end 40. The inwardly extending end 40 of the 10. lever 42 is biased inwardly by a spring 19 which is compressed between the wall portion 36 and the pin 43, and is designed to be received in abutting rela-tionship against the forward end surface 50 of an angular longitudinally extend- ~ -ing stop member 46 which is secured to the upper surfaces of the respective walls 24. iIt is readily apparent that when the lever 42 is in the position shown in FIG. 6, the frame assembly 2 is restricted against rearward movement, i. e., movement to the right. The angular stop member 46 also includes a plurality of spaced bores 45 for receiving the end 40 of lever 42 to permit variable positioning of the seat 8 as desired by the vehicle operator.
A rigid angular latch member 51 is boUed by bolts 52 to the 20. upper end of the support shaft 6. The latch member 51 is non-rotatable and is designed to function in conjunction with a swingable latch member 54 to prohibit pivotal or rotational movement of the seat support frame 4 around the shaft B except when the seat 8 has been moved rearwardly to its extreme position as will be described. The swingable latch member 54 is comprised of an upper latch arm 56 pivotably mounted by a latch pivot pin 57 to the 105'~251 angular stop member 46. The swingable latch member 54 also includes a lower latch support arm ~8 operably connected to the latch arm 56 by a ver- .;
tically extending latch shaft 59. The vertically extending latch shaft S9 is welded to the outer end OI the latch support arm 58 and to a point intermediate the ends of the upper latch arm 56. Like the upper latch arm 56, the lower latch arm is pivotably mounted at one end by a latch pivot pin 57 e~tendin~
through a bore in the bottom plate 23. The lower end of the vertical latch shaft 59 is received within a lon~itudinally extending shaft receiving slot 61 in the bottom wall 23 to provide for lirnited swingable movement of the pivotable 10. latch member 54. The upper end of the vertical latch shaft 59 is received `--within a generally U-shaped notch 62 in the end of the latch member 51. When the pivotal latch member 54 is positioned, as shown in FIG. 6, the vertical latch shaft 59 is seated in the notch 62 so as to prevent pivotal movement of the vehicle seat 8. The pivotable latch member 54 is biased into engagement with the latch member 51 by means of a spring 64 secured at one end to the lower end of the shaft 59 and at its other end to the frame 22.
When the seat is in the position shown in FIGS. 2-6, and it is desired that the seat be moved to permit the operator to get out of the seat.
the operator can pull up on lever 42 moving it in a generally clockwise direc-20. tion. Clockwise :movement of the lever 42 causes the pin 43, received i~ slot 44, to move the lever 42 in an outward direction, a5 will be seen from FIGS.
5-6. Such movement of the lever 42 outwardly, permits the seat and the seat supporting frame 26 to be moved rearwardly (or to the right as seen in FIGS.
2 and 6) with respect to the rotatable supporting frame 4 to the position shown in FIG. 7. When the seat supporting frame 26 has moved to its rearward lOS;~ZSl position, a projectlng pin 66 which is secured to the inside wall 38 of the angle 31 will abut against the out~vardly extending end 65 of the latch arm 56 to cause pivotal movement of the pivotal latc~ arm 54O As shown in FIGS. 7, the vertical latch shaft 59 will thus be removed from the notch 62 to permit rotation of the rotatable seat supporting assembly about the supporting shaft 6, as shown in FIGS. 7 and 8. The rotational movement of the support frame 4 is limited to 180 by abutment of the vertical latch shaft 59 against one of the projections 67 or 68 e tending from opposite ends of the latch member 51.
Resume lOr The present invention thus provid2s a means for supporting a vehicle seat which permits the seat to be retractable and pivotal to facilitate access to the seat. The invention also restricts pivotal movement of the seat except when the seat has been moved to its rearwardmost position and provides means to lock the seat in position during operation. The present invention also provides a simplified and improved means for facilitating vertic~LI ad3ust-ment and provides means to insure that the vertical position of the seat will be secured.
Resume lOr The present invention thus provid2s a means for supporting a vehicle seat which permits the seat to be retractable and pivotal to facilitate access to the seat. The invention also restricts pivotal movement of the seat except when the seat has been moved to its rearwardmost position and provides means to lock the seat in position during operation. The present invention also provides a simplified and improved means for facilitating vertic~LI ad3ust-ment and provides means to insure that the vertical position of the seat will be secured.
Claims
1. A seat assembly for a mobile vehicle and for rotatably and slideably supporting a seat, said assembly comprising: a carriage for supporting said seat, said carriage including parallel shaft members; a rigid, stationary and generally vertical shaft securable to said vehicle; a support frame for slideably supporting said carriage for fore and aft movement, said support frame being rotatably supported by said vertical shaft, said support frame including a sleeve rotatably received on said generally vertical shaft, a horizontal bottom wall supported by said sleeve, a pair of opposed spaced apart upwardly extending walls supported by said bottom wall, and a pair of parallel spaced apart guide tubes supported by said upwardly extending walls, said guide tubes each supporting one of said parallel shaft members therein in slideable reciprocating movement whereby said carriage is slideably mounted on said frame for reciprocating move-ment relative thereto and between fore and aft positions, and further including latch means for selectively preventing rotational movement of said support frame with respect to said shaft and operably connected between said shaft and said support frame and a releasing member operably connected to and carried by said carriage for disengaging said latch means when said carriage is moved to said aft position thereby permitting rotational movement of said support frame after said carriage has been slid to said aft position, said latch means including a stationary latch member fixed to said vertical shaft and a shiftable latch member shiftably supported by said frame, said shiftable latch member including an elongated latch shaft positioned vertically and a swingable member, said elongated shaft being supported by said swingable member for swinging movement about a vertical axis spaced from said elongated latch shaft for engagement with said stationary latch member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/648,137 US4014507A (en) | 1976-01-12 | 1976-01-12 | Seat supporting assembly |
| CA266,853A CA1047385A (en) | 1976-01-12 | 1976-11-30 | Rotatable, sliding seat with height adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1052251A true CA1052251A (en) | 1979-04-10 |
Family
ID=25668404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA310,499A Expired CA1052251A (en) | 1976-01-12 | 1978-09-01 | Rotatable, sliding seat with height adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1052251A (en) |
-
1978
- 1978-09-01 CA CA310,499A patent/CA1052251A/en not_active Expired
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