JPH0472525B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a so-called jump-type folding umbrella that automatically opens with one touch.

[Conventional technology]

The structure of the umbrella rib and potter's wheel of a conventional jump-type folding umbrella is shown in FIGS. 6 and 7. FIG. 6 shows the umbrella in the open state, and FIG. 7 shows the umbrella in the folded state.

In addition, in the description in this specification, when the umbrella is opened, the side closer to the umbrella shaft is referred to as the inside, the side closer to the dew tip is referred to as the outside, and the prong side is referred to as the top, and the grip handle side is referred to as the bottom.

As shown in FIGS. 6 and 7, the upper potter's wheel 11 is fixed to the upper end of the umbrella shaft 1, and the middle potter's wheel 12 and lower potter's wheel 13 are slidably attached to the umbrella shaft 1 to automatically open the umbrella. A spring that exerts an elastic force is attached between the middle potter's wheel 12 and the lower potter's wheel 13, and among the umbrella ribs connected to these potter's wheels, the support bone 4 is rotatably attached to the middle potter's wheel 12 and can be pulled. One end of the support bone 3 is rotatably attached to the lower potter's wheel 13, and the other end is rotatably attached to the intermediate portion of the support bone 4.

[Problem that the invention seeks to solve]

In the above-mentioned conventional jump type folding umbrella, the elastic force of the spring 2 is applied to the lower potter's wheel 13, and the lower potter's wheel 13 and the support bone 4 are connected by the pulling support 3, and the spring is applied at this portion. The umbrella can be opened automatically by using the elastic force of 2.

In this case, in order for the umbrella to open smoothly, the connection position of the puller support 3 to the lower wheel 13 must be appropriately closer to the grip handle than the connection position of the support support 4 to the middle wheel 12. As shown in Figure 7, when the umbrella is folded, the position occupied by the lower potter's wheel is close to the handle by the distance required to attach the spring 2 and the tension support 3, and the umbrella is folded by that distance. The total length of the umbrella becomes longer.

Since folding umbrellas are originally designed to be convenient for carrying and storing, it is an important issue for umbrella manufacturers to shorten the overall length when folded. The fact that the overall length becomes long for the reasons mentioned above is an important problem to be solved.

[Means for solving problems]

The present invention solves the drawbacks of the conventional jump-type umbrella as described above and provides an umbrella rib structure that can further shorten the overall length of the umbrella when folded. The structure has a cylindrical body through which an umbrella opening spring can enter and exit coaxially from above, a bottom plate having a guide hole located at the lower end into which the umbrella shaft is inserted, and a bottom plate protruding from the outer periphery of the upper end of the body. The above-mentioned spring is interposed between the upper potter's wheel and the middle potter's wheel so that a repulsive force acts between the lower end of the upper potter's wheel and the bottom plate of the middle potter's wheel. At the same time, attach the supporting bone to the lower potter's wheel and the accessory support bone to the upper end of the middle potter's wheel so that it can rotate freely, and rotate the inner end of the pulled support bone to the upper potter's wheel and the outer end to the middle part of the secondary support bone. The purpose is to mount it so that it can move freely. By configuring it in this way, the distance required to attach the spring and tension support to the lower potter's wheel in conventional umbrella ribs is no longer required, and the total length of the umbrella when folded can be reduced to that distance. can be shortened by only

Furthermore, in the present invention, the umbrella ribs are configured to be folded into three to further shorten the overall length of the umbrella when folded, thereby further enhancing the effect.

〔Example〕

Hereinafter, the configuration and effects of the present invention will be explained in detail with reference to the drawings.

Fig. 1 is an explanatory diagram showing the umbrella rib according to the present invention in an open state corresponding to claim 1, Fig. 2 is an explanatory diagram showing its folded state, and Fig. 3 is an explanatory diagram showing the umbrella rib according to the invention in its folded state. An explanatory diagram showing the open state of the umbrella rib according to the present invention corresponding to Item 2, Figure 3-1 is an explanatory diagram showing the folded state, and Figure 4 corresponds to Claim 4. An explanatory diagram showing the open state of the umbrella rib according to the present invention, FIG. 5 is an explanatory diagram showing the open state of the umbrella rib according to the present invention corresponding to claim 5, and FIG. 7 is an explanatory diagram showing the conventional jump-type umbrella rib in the open state, FIG. 8 is an explanatory diagram showing the folded state, and FIG. An explanatory diagram showing the opened state; FIG. 9 is an explanatory diagram showing the shape of the convex portion and the connecting member provided on the first connecting bone of the umbrella bone shown in FIG. 8; FIG. 10 is an explanatory diagram showing the shape of the connecting member shown in FIG. FIG. 11 is an explanatory diagram showing a state in which the connecting member is attached to the first connecting bone. FIG.

In FIG. 1, the spring 2 is attached between the upper wheel 11 and the middle wheel 12.

The middle potter's wheel 12 has a cylindrical body part 12a through which the spring 2 can enter and exit coaxially from above, and a bottom plate 12b having a guide hole through which the umbrella shaft is inserted is formed at the lower end of the body part 12a. A potter's wheel part 12c for connecting the umbrella bones is formed on the outer periphery of the upper end of the body part 12a. The spring 2 interposed between the upper wheel 11 and the middle wheel 12 exerts a repulsive force between the lower end of the upper wheel 11 and the bottom plate 12b of the middle wheel 12,
An opening force is applied to the umbrella ribs attached to these potter's wheels.

Thus, the inner end of the support bone 4 is connected to the lower potter's wheel 13, and the outer end is connected to the connecting portion 7b provided near the inner end 7a of the main rib 7.
It is rotatably attached to.

The inner end of the sub-branch 5 is placed on the potter's wheel part of the middle potter's wheel 12,
The outer end is rotatably attached to a connecting part 4a provided in the middle of the support bone 4.

The inner end of the puller support 3 is rotatably attached to the upper potter's wheel 11, and the outer end to the intermediate portion 5a of the sub-supporter 5.

The inner end of the connecting bone 6 is located at a position 5b close to the joining part 4a of the sub-branch 5 with the support bone 4, and the outer end is located at the inner end 7a of the main bone 7.
It is rotatably attached to.

As shown in FIG. 2, when the umbrella rib shown in FIG. 1 is folded, the position of the lower potter's wheel 13 is different from that of the conventional umbrella rib shown in FIG. The distance H required to attach the support beams 3 is shortened, and the overall length is shortened by at least this distance when the umbrella is folded.

The umbrella rib of the present invention can also be configured as a three-fold umbrella rib, and when it is made into a three-fold umbrella rib, the two-fold umbrella rib shown in FIGS. Among the constituent elements that
A first connecting bone 16 and a second connecting bone 17 are provided in place of the connecting bone 6. The second connecting bone and the main bone may be connected as in the embodiment shown below.

First, in the embodiment shown in FIG.
is attached between the upper potter's wheel 11 and the middle potter's wheel 12.

The shape of the middle potter's wheel 12 and the action of the spring 2 on the middle potter's wheel are the same as in the embodiment shown in FIG.

Therefore, the inner end of the first support bone 14 is connected to the lower potter's wheel 13.
, the outer end is connected to a connecting part 5 provided in the middle of the accessory vertebra 5.
It is rotatably attached to c.

The inner end of the sub-support bone 5 is rotatably attached to the potter's wheel part of the middle wheel 12, and the outer end is rotatably attached near the inner end 15a of the second support bone 15.

As shown in FIG. 11, a notch 5e of an appropriate length is formed in the outer end portion of the sub-branch 5. As shown in FIG. That is, a predetermined length of the bottom of the sub-branch 5, which has a U-shaped cross section perpendicular to the axis, is cut off from the outer end side to form a notch 5e.
The inner end of the second connecting bone 17 is inserted into the notch 5e as described later. The notch 5e may be in the form of a slit thinner than that shown.

Therefore, the inner end of the pulling support bone 3 is placed on the upper potter's wheel 11,
The outer end is rotatably attached to an appropriate position 5d in the middle of the sub-branch 5.

The inner end of the first connecting bone 16 is rotatably attached to a position close to the outer end of the first support bone 14, and the outer end is rotatably connected to the inner end 15a of the second support bone 15. Further, the outer end of the second support bone 15 is the inner end 7 of the master rib 7.
It is rotatably attached to a connecting portion 7b provided near a.

The inner end of the second connecting bone 17 passes through the slit or notch 5e provided in the sub-branch 5 and connects to the first connecting bone 1.
6, the outer end is the inner end 7a of the main rib 7.
It is rotatably attached to.

When using a thin wire such as a copper wire for the first connecting bone 16, a wire such as that shown in FIGS. It is recommended that a connecting member 18 be installed and configured to connect the first connecting bone 16 to the second connecting bone 17 thereby.

FIG. 8 is an explanatory diagram showing the connecting portion between the first connecting bone 16 and the second connecting bone 17 and its surrounding area, and FIG. 9 is an explanatory diagram showing the shape of the convex portion 16a provided on the first connecting bone 16 and the connecting member 18. FIG. 10 is an explanatory diagram showing the connecting member 1.
8 is an explanatory diagram showing a state in which the first connecting bone 8 is attached to the first connecting bone 16. FIG.

As shown in FIG. 9, a convex portion 16a is bent near the outer end of the first connecting bone 16, and a connecting member 18
is provided with a fitting hole 18a corresponding to the convex portion 16a, and when attaching the coupling member 18 to the first connecting bone 16, the convex portion 16a is fitted into the fitting hole 18a as shown in FIG. and insert the convex portion 16a into the fitting hole 1.
8a, both ends of the connecting member 18 are bent inward to sandwich the first connecting bone 16.

Thereby, the connecting member 18 is firmly fixed without moving in the axial direction of the first connecting bone 16.

After attaching the connecting member 18 to the first connecting bone 16, as shown in FIG. Attach. The notch 5e of the sub-branch 5 in this case is the same as that shown in FIG. 11 above.

In the embodiment shown in FIG. 4, the second connecting bone 17
This is the same as the embodiment shown in FIG. 3, except that the inner end of the sub-branch 5 is rotatably attached near the outer end of the sub-branch 5.

In this embodiment, it is not necessary to provide a slit or notch at the outer end of the sub-branch 5.

In the embodiment shown in FIG. 5, the second connecting bone 17
is rotatably attached near the outer end of the first connecting bone 16, and the outer end of the sub-branch 5 is rotatably attached near the inner end of the second connecting bone 17. The rest is the same as the embodiment shown in FIG.

In this embodiment as well, there is no need to provide a slit or notch at the outer end of the sub-branch 5.

In the above embodiment, when folding the umbrella rib, the sub-branch 5 and the first brace 14 are folded, and the second brace 1 is folded.
5 and the sub-branch 5 are folded, and the main rib 7 and the second sub-branch 15 are folded to form three folds, so that the length of the umbrella rib when folded is further shortened. .

This can be seen in Fig. 3-1 showing the folded state of the umbrella ribs shown in Fig. 3, Fig. 2 showing the folded state of the bi-folding umbrella ribs, and the conventional bi-folding umbrella. This will be understood by comparing and referring to FIG. 7, which shows the folded state of the bone.

〔Effect of the invention〕

Since the present invention is constructed as described above, when the umbrella is folded according to the present invention, the position occupied by the lower potter's wheel is closer to the upper potter's wheel than the conventional umbrella rib, and therefore the umbrella is folded. It is possible to provide a folding umbrella rib that has a shorter overall length and is more convenient to carry and store. Moreover, when configured in a three-fold type, the total length when folded is further shortened.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing the umbrella rib of the present invention in an open state, and FIG. 2 is an explanatory diagram showing its folded state.
Fig. 3 is an explanatory diagram showing another embodiment of the umbrella rib of the present invention in an open state, Fig. 3-1 is an explanatory diagram showing its folded state, and Figs. An explanatory diagram showing the open state of each different embodiment of the umbrella rib, FIG. 6 is an explanatory diagram showing the open state of a conventional jump type folding umbrella rib, and FIG. 7 is an explanatory diagram showing the folded state. FIG. 8 is an explanatory diagram showing the connecting portion between the first connecting bone and the second connecting bone and its surrounding area in yet another embodiment, and FIG. 9 is an explanatory view showing the convexity provided on the first connecting bone. FIG. 10 is an explanatory diagram showing the shape of the connecting member and the connecting member. FIG. 11 is an explanatory diagram showing the state in which the connecting member is attached to the first connecting bone. FIG.
It is an explanatory view showing the state of the notch formed in the outer end part of the subsidiary support bone in the umbrella bone shown in the figure. 1... Umbrella shaft, 2... Spring, 3... Pulling support, 4
...branch, 5...auxiliary bone, 6...connecting bone, 7...main bone, 1
1... Upper potter's wheel, 12... Middle potter's wheel, 13... Lower potter's wheel, 14... First vertebrae, 15... Second vertebrae, 16... First connecting bone, 16a... Convex portion, 17... Second connecting bone,
18...Connection member, 18a...Fitting hole.

Claims (1)

[Claims] 1. An umbrella shaft 1, an upper potter's wheel 11 fixed to the upper end of the umbrella shaft 1, a middle potter's wheel 12 and a lower potter's wheel 13 that are coaxially slidably provided on the umbrella shaft 1, and an umbrella. axis 1
Spring 2 is installed coaxially with the umbrella and exerts the opening force.
, the main bone 7, the supporting bone 4, the accessory supporting bone 5, and the connecting bone 6
In the umbrella frame of a jump-type umbrella, which is equipped with a spring 2 and a puller frame 3, a middle potter's wheel 12 is located at a cylindrical body part 12a through which a spring 2 can coaxially move in and out from above, and at the lower end of the body. Bottom plate 1 having a guide hole through which the umbrella shaft is inserted
2b and a potter's wheel part 12c for connecting the umbrella bones that protrudes from the outer periphery of the upper end of the body are integrally formed.
2, so that a repulsive force acts between the lower end of the upper potter's wheel 11 and the bottom plate 12b of the middle potter's wheel 12. The connecting portion 4 is rotatably attached to a connecting portion 7b provided near the inner end 7a, and the inner end of the sub-support bone 5 is provided on the potter's wheel portion 12c of the middle wheel 12, and the outer end is provided in the middle of the supporting bone 4.
a, the inner end of the pulling support 3 is rotatably attached to the upper potter's wheel 11, the outer end is rotatably attached to the intermediate part 5a of the sub-support 5, and the inner end of the connecting bone 6 is attached to the sub-support. Near the outer end of bone 5,
An umbrella rib characterized by having an outer end rotatably attached to an inner end 7a of a main rib 7. 2. The umbrella shaft 1, the upper potter's wheel 11 fixed to the upper end of the umbrella shaft 1, the middle potter's wheel 12 and the lower potter's wheel 13 that are coaxially slidably provided on the umbrella shaft 1, and the umbrella shaft 1.
Spring 2 is installed coaxially with the umbrella and exerts the opening force.
, the main bone 7 , the first support bone 14 and the second support bone 15
In the umbrella rib of the jump type umbrella, which is provided with the sub-branch 5, the first connecting bone 16, the second connecting bone 17, and the pulling rib 3, the middle potter's wheel 12 and the spring 2 coaxially move from above. A bottom plate 1 having a cylindrical body part 12a that can be accessed in and out of the body, and a guide hole located at the lower end of the body part through which the umbrella shaft is inserted.
2b and a potter's wheel part 12c for connecting the umbrella bones that protrudes from the outer periphery of the upper end of the body are integrally formed.
2, so that a repulsive force acts between the lower end of the upper potter's wheel 11 and the bottom plate 12b of the middle potter's wheel 12. It is rotatably attached to the connecting part 5c provided in the middle of the support bone 5, the inner end of the secondary support bone 5 is rotatably attached to the wheel part of the middle wheel 12, and the outer end is attached to the inner end of the second support bone 15. It is rotatably attached near the end 15a, and a slit or notch 5e of an appropriate length is formed in the outer end portion of the sub-branch 5. is rotatably attached to the intermediate portion 5d of the secondary support bone 5, the inner end of the first connecting bone 16 is rotatably attached near the outer end of the first support member 14, and the outer end is attached to the second support member 1.
5, and the outer end of the second supporting bone 15 is rotatably attached to a connecting portion 7b provided near the inner end 7a of the main rib 7, and the second connecting bone 17 is The inner end is rotatably attached near the outer end of the first connecting bone 16 through a slit or notch 5e formed in the outer end portion of the secondary support bone 5, and the outer end is rotatably attached to the inner end 7a of the main rib 7. An umbrella rib characterized by being attached to. 3 The umbrella shaft 1, the upper potter's wheel 11 fixed to the upper end of the umbrella shaft 1, the middle potter's wheel 12 and the lower potter's wheel 13 provided coaxially and slidably on the umbrella shaft 1, and the umbrella shaft 1
Spring 2 is installed coaxially with the umbrella and exerts the opening force.
, the main bone 7 , the first support bone 14 and the second support bone 15
In the umbrella rib of the jump type umbrella, which is provided with the sub-branch 5, the first connecting bone 16, the second connecting bone 17, and the pulling rib 3, the middle potter's wheel 12 and the spring 2 coaxially move from above. A bottom plate 1 having a cylindrical body part 12a that can be accessed in and out of the body, and a guide hole located at the lower end of the body part through which the umbrella shaft is inserted.
2b and a potter's wheel part 12c for connecting the umbrella bones that protrudes from the outer periphery of the upper end of the body are integrally formed.
2, so that a repulsive force acts between the lower end of the upper potter's wheel 11 and the bottom plate 12b of the middle potter's wheel 12. It is rotatably attached to the connecting part 5c provided in the middle of the support bone 5, the inner end of the secondary support bone 5 is rotatably attached to the wheel part of the middle wheel 12, and the outer end is attached to the inner end of the second support bone 15. It is rotatably attached near the end 15a, and a slit or notch 5e of an appropriate length is formed in the outer end portion of the sub-branch 5. is rotatably attached to the intermediate portion 5d of the secondary support bone 5, the inner end of the first connecting bone 16 is rotatably attached near the outer end of the first support member 14, and the outer end is attached to the second support member 1.
5, a connecting member 18 is attached near the outer end of the first connecting bone 16, and the outer end of the second supporting bone 15 is provided near the inner end 7a of the main bone 7. It is rotatably attached to the connecting portion 7b, and the inner end of the second connecting bone 17 is attached near the outer end of the first connecting bone 16 through a slit or notch 5e formed in the outer end portion of the sub-branch 5. An umbrella rib characterized in that it is rotatably attached to a connecting member 18 and its outer end is rotatably attached to an inner end 7a of a main rib 7. 4 The umbrella shaft 1, the upper potter's wheel 11 fixed to the upper end of the umbrella shaft 1, the middle potter's wheel 12 and the lower potter's wheel 13 provided coaxially and slidably on the umbrella shaft 1, and the umbrella shaft 1
Spring 2 is installed coaxially with the umbrella and exerts the opening force.
, the main bone 7 , the first support bone 14 and the second support bone 15
In the umbrella rib of the jump type umbrella, which is provided with the sub-branch 5, the first connecting bone 16, the second connecting bone 17, and the pulling rib 3, the middle potter's wheel 12 and the spring 2 coaxially move from above. A bottom plate 1 having a cylindrical body part 12a that can be accessed in and out of the body, and a guide hole located at the lower end of the body part through which the umbrella shaft is inserted.
2b and a potter's wheel part 12c for connecting the umbrella bones that protrudes from the outer periphery of the upper end of the body are integrally formed.
2, so that a repulsive force acts between the lower end of the upper potter's wheel 11 and the bottom plate 12b of the middle potter's wheel 12. It is rotatably attached to a connecting part 5c provided in the middle of the support bone 5, and the inner end of the secondary support bone 5 is rotated to the wheel part of the middle wheel 12, and the outer end is rotated near the inner end 15a of the second support bone 15. The inner end of the pulling strut 3 is rotatably attached to the upper potter's wheel 11, the outer end is rotatably attached to the intermediate part 5d of the sub-stratum 5, and the inner end of the first connecting bone 16 is attached to the first supporting bone. It is rotatably attached near the outer end of the bone 14, and the outer end is attached to the second spine 1.
5, and the outer end of the second supporting bone 15 is rotatably attached to a connecting portion 7b provided near the inner end 7a of the main rib 7, and the second connecting bone 17 is The inner end is rotatably attached near the outer end of the sub-branch 5, and the outer end is attached to the inner end 7 of the main rib 7.
An umbrella rib characterized by being rotatably attached to a. 5 The umbrella shaft 1, the upper potter's wheel 11 fixed to the upper end of the umbrella shaft 1, the middle potter's wheel 12 and the lower potter's wheel 13 provided coaxially and slidably on the umbrella shaft 1, and the umbrella shaft 1
Spring 2 is attached coaxially to the umbrella and exerts the opening force.
, the main bone 7 , the first support bone 14 and the second support bone 15
In the umbrella rib of the jump type umbrella, which is provided with the sub-branch 5, the first connecting bone 16, the second connecting bone 17, and the pulling rib 3, the middle potter's wheel 12 and the spring 2 coaxially move from above. A bottom plate 1 having a cylindrical body part 12a that can be accessed in and out of the body, and a guide hole located at the lower end of the body part through which the umbrella shaft is inserted.
2b and a potter's wheel part 12c for connecting the umbrella bones that protrudes from the outer periphery of the upper end of the body are integrally formed.
2, so that a repulsive force acts between the lower end of the upper potter's wheel 11 and the bottom plate 12b of the middle potter's wheel 12. It is rotatably attached to the connecting part 5c provided in the middle of the support bone 5, and the inner end of the secondary support bone 5 is rotated to the wheel part of the middle wheel 12, and the outer end is rotated near the inner end of the second connecting bone 17. The inner end of the pulling strut 3 is rotatably attached to the upper potter's wheel 11, the outer end is rotatably attached to the intermediate part 5d of the sub-stratum 5, and the inner end of the first connecting bone 16 is attached to the first connecting bone 16. It is rotatably attached near the outer end of 14, and the outer end is attached to the second support bone 1.
5, and the outer end of the second supporting bone 15 is rotatably attached to a connecting portion 7b provided near the inner end 7a of the main rib 7, and the second connecting bone 17 is An umbrella rib characterized in that the inner end is rotatably attached near the outer end of the first connecting rib 16, and the outer end is rotatably attached to the inner end 7a of the main rib 7.