JP3143334U - Unfolding tool - Google Patents

Abstract

The present invention provides a deployment tool for a deployment object that has a simple structure and can be easily and appropriately expanded at a location where the deployment object has been considered difficult.
A loop-shaped bone frame 10 which is formed into a loop shape without bending by joining ends of thin rod-like bodies rich in elasticity, and which can be folded in a bending form without bending, and the loop-shaped bone frame 10 And an unfolded object 20 such as a net-like or sheet-like shape that can be folded together. The developed object 20 is stretched on the looped bone frame 10 in a state where the looped bone frame 10 is inserted into a plurality of cylindrical bodies and / or ring-shaped bodies fixed to the developed object 20. Yes.
[Selection] Figure 1

Description

  This device is a foldable net or sheet that can be used for bird nets, insect nets, animal nets, frost-proof sheets, chemicals, sunshades, reflectors, etc. It relates to a spreader for things.

2. Description of the Related Art Conventionally, things used for bird protection and sunshading on agricultural products such as fruits are simply unfolded objects such as nets and sheets, and the unfolded objects are appropriately spread by hand and used.
Spreading the unfolded object manually may be difficult in places such as fruit trees and other places that are difficult to reach such as on a grape shelf.

On the other hand, as a prior art, there has been proposed a fruit rain frost bird protection umbrella having a structure in which an object to be developed is easily expanded in a form similar to an umbrella (see Patent Document 1).
Japanese Utility Model Publication No. 48-89735 (first page)

The problem to be solved regarding the unfolding tool of the unfolded object is that it may be difficult to properly unfold the unfolded object such as a net or sheet depending on the installation location, etc., and is similar to an umbrella like the prior art The form is that the structure is complicated.
SUMMARY OF THE INVENTION An object of the present invention is to provide a developing device for a developing object that has a simple structure and can be easily and appropriately spread at a setting place of the developing object that has been considered difficult in the past.

The present invention has the following configuration in order to achieve the above object.
According to one form of the deployment tool of the developed object according to the present invention, the end portions of the thin rod-like body rich in elasticity are joined to each other to be formed into a loop shape without folding, and can be folded in a bending form without folding. A loop-shaped bone frame, and a developed object such as a net-like or sheet-like material stretched on the loop-shaped bone frame so as to be foldable together.

Further, according to one form of the developing device for a developed object according to the present invention, the looped bone frame is inserted into a plurality of cylindrical bodies and / or ring-shaped bodies fixed to the developed object. In this state, the development object is stretched on a loop-shaped bone frame.
Moreover, according to one form of the developing tool of the to-be-developed object concerning this invention, the said loop-shaped bone frame can be folded in the shape of a multiple loop, It can be characterized by the above-mentioned.

Moreover, according to one form of the developing tool of the to-be-developed object concerning this invention, the said to-be-developed object can be provided with the some eyelet.
Moreover, according to one form of the developing device of the to-be-developed object concerning this invention, the to-be-expanded object has the extension part provided larger than the part hold | maintained in the state stretched | stretched by the said loop-shaped bone frame. Can be characterized.

Moreover, according to one form of the developing tool of the to-be-deployed object concerning this invention, the said to-be-deployed object can be provided in the square.
Moreover, according to one form of the developing device of the to-be-developed object concerning this invention, the said extension part can be provided as a hanging part which hangs down below and covers a side periphery.

  According to the developing device of the developed object of the present invention, the structure is simple, and there is a particularly advantageous effect that it can be easily and appropriately spread even at the installation location of the developing object, which has been conventionally considered difficult.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a best mode example of a developing tool for an object to be developed according to the present invention will be described in detail with reference to the accompanying drawings (FIGS. 1 to 5).
FIG. 1 is a plan view showing an example of a developing device for a developed object according to the present invention. FIG. 2 is a plan view showing a folded form of the spreader of the unfolded object. FIG. 3 is a perspective view for explaining an example of use of a developing tool for a developed object. FIG. 4 is a perspective view for explaining another example of use of a developing tool for a developed object. FIG. 5 is a perspective view for explaining another embodiment of a developing tool for a developed object.

Reference numeral 10 denotes a loop-shaped bone frame, which is formed in a loop shape without bending by joining ends of thin elastic rod-like bodies, and is provided so as to be foldable without bending.
As this loop-shaped bone frame 10, a rod-like body rich in elasticity formed of fiber reinforced plastic (FRP) which is a plastic containing glass fiber may be used. The thickness of this rod-shaped body can be about 3 to 6 mm, for example. Moreover, it is not limited to FRP, For example, you may use the rod-shaped body of a shape memory alloy, and may utilize the superelasticity.

Reference numeral 20 denotes an object to be developed, which is a flat thin material in a stretched state such as a net-like shape or a sheet-like shape that is stretched on the loop-shaped bone frame 10 so as to be foldable together.
Examples of the net-shaped developed object 20 include a net material used for bird-proofing, insect-proofing, and animal-proofing. Moreover, as the sheet-shaped to-be-deployed object 20, there exists a sheet-like thing used for defrosting, awning, awning, heat retention, light reflection, etc. The sheet-shaped development object 20 includes a cloth-like thing having air permeability and a film-like thing having no air permeability.

As shown in FIG. 2, the size of the loop-shaped bone frame 10 may be set so that it can be folded into multiple loops.
In addition, as shown in FIG. 2, the method of folding the to-be-deployed object 20 with the loop-shaped bone frame 10 is further twisted so that the loop-shaped bone frame 10 is first twisted in the shape of 8 and the small loops formed thereafter are matched. Just twist.
By the way, the shape at the time of deployment of the loop-shaped bone frame 10 may be a loop shape, and as shown in FIG. 1, as shown in FIG. It may be stopped. The looped bone frame 10 is flexible and its shape can be easily changed. Therefore, the loop-shaped bone frame 10 may be stopped by the developed object 20 so that the shape at the time of deployment becomes a perfect circle, or may be stopped by the developed object 20 in a deformed state as shown in FIG. May be.

  According to the developing device for a developed object formed in this way, the looped bone frame 10 is rich in elasticity, so that the folded one tries to return to the original large loop shape. This is because the stress accumulated by the looped bone frame 10 being twisted is released. Thereby, when the presser for holding the small loop shape is released, the loop-shaped bone frame 10 tries to return to the original shape at a stretch, and the unfolded object 20 is also expanded at a stretch with the operation.

As described above, according to the developing device for the object to be developed according to the present invention, it can be developed at once by releasing the press for holding it in a small loop shape. For this reason, the to-be-deployed object 20 can be easily installed in a required place. Therefore, working efficiency can be improved.
In addition, there is also an advantage that the unfolded object 20 can be easily deployed by a simple operation even in a place where it has been considered difficult to install.
For example, when a net is put on a high part of a fruit tree or a fruit tree cultivation shelf such as a grape shelf, the operation can be easily and appropriately performed.

Next, a means for tensioning the developed object 20 on the loop-shaped bone frame 10 will be described.
In the present embodiment, the unfolded object 20 is stretched on the loop-shaped bone frame 10 in a state where the loop-shaped bone frame 10 is inserted into a plurality of cylindrical bodies 22 fixed to the unfolded object 20. Yes. A plurality of cylindrical bodies 22 are arranged at appropriate intervals on the surface of the developed object 20 in accordance with the shape of the loop of the loop-shaped bone frame 10. In the embodiment shown in FIG. 1, the cylindrical body 22 is provided by being fixed at eight locations of the developed object 20. The present invention is not limited to this, and may be provided so as to be inserted and held in a loosely fitted state so as to allow the looped bone frame 10 to be twisted.

The cylindrical body 22 is provided by a cloth, for example, and can be fixed by sewing to the developed object 20. In addition, the cylindrical form of the cylindrical body 22 may be formed by the cylindrical body 22 itself, or a cylindrical shape that is formed as a form in which the loop-shaped bone frame 10 is inserted between the cylindrical body 22 and the developed object 20. It may be.
The form in which the loop-shaped bone frame 10 is inserted and held is not limited to the cylindrical body 22 described above, and may be a ring-shaped body. That is, the loop-shaped bone frame 10 only needs to be provided so as to be inserted and held in a loosely fitted state so that the article 20 can be stretched and allowed to be twisted and folded. .
Furthermore, since the insertion portion through which the loop-shaped bone frame 10 is inserted is provided intermittently as in this embodiment, the loop-shaped bone frame 10 can be easily inserted and has a degree of freedom so that it can be easily folded. It has become.

  Further, the developed object 20 may have an extension portion 25 provided larger than a portion held in a state of being stretched by the loop-shaped bone frame 10. The shape of the developed object 20 can be selectively set as appropriate, and the loop-shaped bone frame 10 may be provided in a square shape as shown in FIG. Although the part (extension part 25) which protruded outside the loop-shaped bone frame 10 cannot be stretched by the elasticity of the loop-shaped bone frame 10, it can be used appropriately when installing the developing tool of the object to be developed. Moreover, since it is a rectangular rectangle, it is a shape which can utilize the material of the to-be-deployed object 20 without waste.

  Furthermore, a plurality of eyelets 30 are provided on the developed object 20 of the present embodiment. In this embodiment, eyelets 30 are provided at the four corners and the center of the developed object 20, respectively. The eyelets 30 at the four corners of the developed object 20 can be used as portions through which fixing means such as strings and piles are passed in order to fix the developing tool of the developed object at a required position. Further, the eyelet 30 in the central portion 24 of the developed object 20 can be used as a drain hole or a hole into which a tip of a core rod for pushing up the developed object 20 enters.

Next, the usage example of the form example of the developing device of the to-be-deployed object concerning this invention is demonstrated.
The present invention is not limited to a use for developing a net such as a birdcage, but can also be used for developing a light reflecting sheet. According to this, the light reflection sheet which can reflect and fold light suitably like an aluminum vapor deposition sheet can be developed suitably.
And since the to-be-deployed object 20 can be hold | maintained with the loop-shaped bone frame 10, as shown in FIG. 3, it is also possible to hang and use it on a tree etc. with a string.

Moreover, as shown in FIG. 4, the developing tool of the to-be-deployed object concerning this invention can also be utilized as a member which covers the grounds, such as a nursery bed, suitably. Due to the spring property of the loop-shaped bone frame 10, it is possible to maintain a tunnel-like form and easily cover a nursery bed or the like. According to this, workability, such as farm work, can be improved.
At this time, as shown in FIG. 4, if an extension portion 25 is appropriately provided, the extension portion 25 can appropriately cover the tunnel-shaped end portion. Moreover, by providing the eyelet 30 appropriately on the article 20 to be developed, the developing tool of the article to be developed can be appropriately fixed to the ground by the pile 40, for example.
Reference numeral 42 denotes a shape-retaining string, and ends thereof are connected so that the developing tool of the object to be developed is maintained in a tunnel shape.

Moreover, as shown in FIG. 5, the extension part of the to-be-deployed object 20 may be provided as the drooping part 26 which hangs down and covers a side periphery.
According to this, not only the upper surface of an installation place but the surrounding side surface can be suitably covered with the developing device of the to-be-deployed object concerning this invention. Therefore, it is possible to improve the functionality as a covering material for the developing tool of the developed object.

  The present invention has been described in various ways with preferred embodiments. However, the present invention is not limited to these embodiments, and it goes without saying that many modifications can be made without departing from the spirit of the invention. That is.

It is a top view which shows the form example of the expansion | deployment tool of the to-be-deployed object which concerns on this invention. It is a top view which shows the folding form of the expansion | deployment tool of a to-be-deployed object. It is a perspective view explaining the usage example of the expansion | deployment tool of a to-be-deployed object. It is a perspective view explaining the other usage example of the developing tool of a to-be-deployed object. It is a perspective view explaining the other example of a form of the developing tool of a to-be-deployed object.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Loop-shaped bone frame 20 Expanded object 22 Cylindrical body 25 Extension part 26 Drooping part 30 Eyelet

Claims (7)

A loop-like bone frame that is formed into an unfolded loop shape by joining the ends of thin elastic rod-like bodies, and can be folded in an unfolded bending form,
A developing device for a developed object, comprising a developed object such as a net-like or a sheet-like article that is stretched around the loop-shaped bone frame and foldable together.   The developed object is stretched on the loop-shaped bone frame in a state where the loop-shaped bone frame is inserted into a plurality of cylindrical bodies and / or ring-shaped bodies that are fixed to the developed object. The developing device for an object to be developed according to claim 1.   The developing device for a developed object according to claim 1 or 2, wherein the loop-shaped bone frame is foldable into a plurality of loop shapes.   The developing device for a developing object according to any one of claims 1 to 3, wherein a plurality of eyelets are provided on the developing object.   The development object according to any one of claims 1 to 4, wherein the development object has an extension portion that is provided larger than a portion held in a state of being stretched by the loop-shaped bone frame. Unfolding tool.   The developing device for a developing object according to claim 5, wherein the developing object is provided in a square shape.   6. The developing device for a developed object according to claim 5, wherein the extending portion is provided as a hanging portion that hangs downward and covers a side periphery.

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