JPH05317109A - Single cloth stretched umbrella and spare cover for same - Google Patents

Abstract

PURPOSE:To reduce the number of times of cutting and sewing works in preparing an umbrella texture for simplifying the process for manufacturing the umbrella texture and saving labor by providing slotted parts only in a plurality of apex parts 4 of the entire apex in a polygonal raw cloth of the umbrella texture to sew both side edges of the slotted part together. CONSTITUTION:Slotted parts 7 reducing gradually the slot width toward the center hole 5 of a base cloth 3 of an umbrella texture are provided in a plurality of apex parts 4 of the whole apex parts 4 of the base cloth 3 of the umbrella texture cut polygonally according to the number of main umbrella ribs 2. The shape of the respective slotted parts 7 is set on the basis of the shape of doubled parts 8 formed under the doubled base cloth 3 of the umbrella texture when the base cloth 3 of the umbrella texture is deformed from the flat configuration to the cup-like curved configuration while the base cloth 3 of the umbrella texture is adapted to the curved configuration in using the respective main umbrella ribs 2. The respective sewn parts 9 formed by sewing together both side edges 7a of the respective slotted parts 7 are locked on the main umbrella ribs 2. Thus, the number of the slotted parts 7 formed in the base cloth 3 of the umbrella texture can be reduced to substantially reduce the manhours for the cutting and sewing works.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a one-piece cloth-lined umbrella having an umbrella cloth formed of one cloth and a spare cover for the umbrella (re-covering umbrella cloth) applied when the umbrella cloth is replaced.

[0002]

2. Description of the Related Art For example, Japanese Patent Publication No. 4-9
There is 522 publication.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to simplify the manufacturing process of a western umbrella and save labor, and to improve the shape of the umbrella material when the western umbrella is opened and used.

[0004]

The one-piece cloth-covered western umbrella of the present invention has a plurality of apex corners out of all the apex corners of the umbrella cloth which is cut into a polygonal shape in accordance with the number of parent umbrella bones. Are each provided with a notch so that the notch width gradually decreases toward the center hole of the umbrella cloth, and the shape of each notch is defined by the use of the parent cloth of the umbrella cloth. It is set based on the shape of the dribbling part formed in the folded state in the umbrella base fabric when the flat form is transformed into a bowl-like curved form in accordance with the curved form at the time, It has a structure in which each sewn portion formed by sewing both side edges is connected to the parent umbrella bone, and the spare cover is made of an umbrella base fabric cut into a polygonal shape according to the number of parent umbrella bones. A plurality of vertical corners among the total vertical corners are cut so that the cutting width gradually decreases toward the central hole of the umbrella cloth. Or a cut portion formed respectively,
A tip attached to the tip of the main umbrella bone is attached to each apex of the umbrella fabric having a plurality of sewn portions formed by stitching both side edges of each cut portion.

[0005]

[Operation] Cutting at the time of making an umbrella cloth by providing notches at only a plurality of apexes of the polygonal fabric with a polygonal shape and sewing both side edges of the notches. ,
The number of sewing operations is reduced, and the curved shape of the bowl shape of the umbrella material in use is optimized by designing the shape of each cut portion based on the curved shape of each parent umbrella bone when in use.

[0006]

Since the present invention is configured as described above, the number of cuts formed in the umbrella cloth is reduced to greatly reduce the number of cutting and sewing operations for cutting and sewing the cuts. Therefore, the manufacturing process of the umbrella cloth can be simplified and the labor can be saved, and the manufacturing cost of the umbrella cloth can be significantly reduced. Further, according to claim 1, since each cut portion of the umbrella cloth is formed according to the shape of the umbrella cloth when in use, the expansion shape of the umbrella cloth when the umbrella is opened and used is improved and balanced. In addition, the expanded form of the open umbrella cloth and the curved form of each open parent umbrella bone can be matched.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of the present invention will be described with reference to the drawings. The umbrella cloth 3 for making the umbrella 1 of the western umbrella is a cloth cloth for umbrella cloth woven using various materials such as polyester fiber, nylon fiber, polypropyne fiber, or a film such as a vinyl chloride film. It is formed by cutting into a polygonal shape such as a hexagon, an octagon, a octagon, a dodecagon, and a hexagon according to the number of the parent umbrella bones 2.

[0008] As many vertical corners 4 as the number of parent umbrella bones 2 are formed on the peripheral edge of the umbrella cloth 3 and each vertical corner 4 is provided.
Are arranged at substantially equal intervals around a central hole 5 that is provided so as to penetrate through the central portion of the and through which the butt 6 is inserted.

Only a plurality of apexes 4 out of all apexes 4 of the umbrella cloth 3 are cut toward the central hole 5 so that the cut width is gradually reduced toward the central hole 5 side. Each of the cut portions 7 is cut, and each of the cut portions 7 is cut so that both side edges 7a thereof are straight or slightly curved inward and outward.

The notches 7 are arranged around the center hole 5 with one, two, three, ... Apex corners 4 interposed therebetween. For example, in the octagon-shaped umbrella base fabric 3, as shown in FIG. As shown in A) and (B), two notches 7 are formed at positions where three apex portions 4 are separated from each other, and are arranged in a 180 ° rotational symmetry around the central hole 5, Four notches 7 are formed at every other apex 4 and are arranged around the central hole 5 in a 90 ° rotational symmetry. In particular, if the number of parent umbrella bones is eight, a linear notch may be provided in each of the apex corners 4 other than the notch 7, as needed.

In addition, in the decagon-shaped umbrella base fabric 3, for example, as shown in FIGS. 2A and 2B, two cut portions 7 are formed.
Are formed at positions separated by four apexes 4 respectively.
Arranged in a rotational symmetry of 80 °, or four notches 7
Are formed at a position separated by one apex angle portion 4 and at a position separated by two apex angle portions, and are arranged in a rotational symmetry of 90 °.

Further, in the dodecagon-shaped umbrella cloth 3, for example, as shown in FIGS. 3 (A) and 3 (B), two notches 7 separate five vertexes 4 from each other. It is formed at a position, or four notches 7 are formed at every two vertex portions 4. In the hexagonal-shaped umbrella fabric 3, as shown in FIGS. 10 (A) and 10 (B), two notches 7 are separated by seven apex portions 4, and four notches 7 are three. Apex 4
Are formed apart from each other.

When setting the mouth cut width H at the outer end of each cut portion 7, as shown in FIG. 4, in the state where each parent umbrella bone 2 is opened and bent in the curved shape at the time of use, the umbrella cloth 3 is deformed from a flat shape to a bowl-shaped curved shape in accordance with the curved shape of each parent umbrella bone 2 and the slack portions are concentrated at two rotationally symmetrical positions of 180 °. A pair of double-dip portions 8, 8 whose side surfaces are substantially obtuse triangular and are folded in two are formed symmetrically. The mouth cut width H is set to a length obtained by equally dividing the total length 2D of the outer end edges 8a of the double drop portions 8 in accordance with the number of the cut portions 7.

For example, the length D of the outer edge 8a of the dull portion 8
Is 20 cm and the total length 2D is 40 cm, if two notches 7 are provided, both notches 7
Width of mouth cut H at the outer edge of each is 40 cm / 2 = 20
cm, and when four cut portions 7 are provided, the mouth cut width H of the outer end of each cut portion 7 is 40 cm / 4.
= 10 cm.

Cut length (depth) E of each cut portion 7
Is from the starting point 8b of the dull portion 8 to the outer edge 8a of the dull portion 8.
Is set to a length substantially equal to the length G up to the base end 8c of
For example, the total length 2D of the outer end edges 8a of the double drop portions 8 is set to 3
If the length is 0 cm, the cut length E of each cut 7 is 30.
cm. However, if necessary, (A) and (B) of FIG.
Each notch 7 may be extended to the vicinity of the central hole 5 as shown in FIG.

When two cuts 7 are provided in the umbrella cloth 3, the two umbrella parts 8 are symmetrically formed in the umbrella cloth 3 and both of the double cut parts 8 are cut off to obtain two cut parts 7. It is possible to create the umbrella cloth 3 having the cutouts 7. Also, in the case of providing the four notches 7, it is possible to similarly form the four equal-shaped dulling parts 8 on the umbrella fabric 3 and cut off each dubbing part 8.

The umbrella cloth 1 is formed by stitching both side edges 7a of each notched portion 7 of the umbrella cloth 3 and sewn at the peripheral edge, and the notched portion 7 of the umbrella cloth 3 is formed on the umbrella cloth 1. A plurality of sewn portions 9 are formed by sewing both side edges 7a of
Each sewn portion 9 is, for example, bound (saddle-stitched) to the parent umbrella bone 2 by binding threads 10 that bind the sewn portion 9 and the parent umbrella bone 2. Except for each sewing portion 9, each main umbrella bone attachment portion 11 is the main umbrella bone 2
It is attached to the main umbrella bone 2 without being saddle-stitched. The peripheral edge portion of the umbrella fabric 1 is subjected to edge sewing such as overlock stitching and decorative stitching that give a desired design effect.

The tip 16 of the parent umbrella bone 2 is removably fitted into each apex 17 of the umbrella fabric 1, and a metal or synthetic resin tip 16 that is attached to and detached from the parent umbrella bone 2 is sewn or the like. The umbrella cloth 1 is attached by means, the sewing parts 9 of the umbrella cloth 1 are respectively connected to the parent umbrella bone 2, and the tip of each parent umbrella bone 2 is fitted into each tip 16 so that the umbrella cloth 1 is attached to the parent umbrella bone. Combined with 2, the umbrella is created. Further, the spare cover 15 created by attaching the chips 16 to the vertices of the respective apex corners 17 of the umbrella cloth 1 is used for re-covering the umbrella cloth 1. Eyelet fittings 19 for reinforcing the hole edge are fixed to the hole edge of the center hole 5 of the spare cover 15.

Next, the operation and effect of the embodiment having the above configuration will be described. In this example, the central hole 5 of the umbrella cloth 3 is provided at a plurality of apex corners 4 of all the apex corners 4 of the umbrella cloth 3 cut into a polygonal shape in accordance with the number of the parent umbrella bones 2. Each of the cut portions 7 is formed so that the cut width gradually decreases toward each side, and the shape of each cut portion 7 is adjusted according to the curved shape of the umbrella base cloth 3 when each parent umbrella bone 2 is used. When changing from a flat shape to a bowl-shaped curved shape, 2
It is set based on the shape of the dull portion 8 formed in the folded state, and each sewn portion 9 formed by sewing the both side edges 7a of each notched portion 7 is connected to the parent umbrella bone 2.

For this reason, the number of cuts 7 formed in the umbrella cloth 3 is reduced to reduce the number of cutting and sewing operations for cutting and sewing the cuts 7 and the saddle stitching work for saddle stitching the umbrella cloth 1. The time required for each operation can be shortened, the manufacturing process of the umbrella fabric 1 can be simplified and the labor can be saved, and the manufacturing cost of the umbrella fabric can be significantly reduced.

Further, each notch 7 of the umbrella cloth 3 is attached to the umbrella cloth 1.
Since it is formed in accordance with the shape when the umbrella is used, the developed shape of the umbrella material 1 when the western umbrella is opened and used is improved and balanced, and the expanded shape of the opened umbrella material 1 and each open parent umbrella bone Two
Can be matched with the curved shape of the.

Next, another example of saddle-stitching means for binding the umbrella cloth 1 to the parent umbrella bone 2 for fastening will be described with reference to FIGS. 12 and 13, and both sides of the cut portion 7 of the umbrella cloth 3 will be described. Each sewn portion 9 formed by stitching the edges 7a has a rectangular thin plate-shaped attachment portion 1 formed of a soft synthetic resin material so as to be elastically deformable.
2a and a connecting piece 12 having a rod-shaped fitting portion 12b which is connected to one side edge of the mounting portion 12a and can be press-fitted into the bone groove 2a of the parent umbrella bone 2 with a semi-circular cross-sectional shape. 13 are sewn on each.

Each connecting piece 12 has both side edges 7a of each notch 7.
At the same time as sewing, the sewing pieces 9 are sewn to each other and the connecting piece 1
Square plate-shaped unnecessary portion 18 extended from the second mounting portion 12a
Are cut off at the same time when the connecting piece 12 is sewn.

When each fitting piece 12b of each joining piece 12 is pushed into the bone groove 2a of the parent umbrella bone 2 with each joining piece 12 sewn to each sewing portion 9 of the umbrella fabric 1, the fitting portion 12b is inserted. Is elastically embraced by the parent umbrella bone, and the connecting piece 12 is the parent umbrella bone 2
The umbrella material 1 is fixed to the main umbrella bone 2 via the connecting piece 12.

Further, as shown in FIGS. 15 and 16, when the both side edges 7a of the cut portion 7 are sewn together, a flat and flexible connecting piece 12A is sewn to each sewing portion 9 with a sewing thread 13. The unnecessary portion 18 extended from the connecting piece 12A is cut off at the time of sewing, and the connecting piece 12A is sewn to the sewn portion 9.
The vicinity of the tip edge 12aA is curved into a U shape and fitted into the bone groove 2a of the parent umbrella bone 2, and is joined to the parent umbrella bone 2 by an adhesive so that each sewing portion 9 is locked to the parent umbrella bone 2. May be.

[Brief description of drawings]

FIG. 1 is a plan view of an octagonal base fabric according to an embodiment of the present invention.

FIG. 2 is likewise a plan view of a decagon-shaped umbrella cloth.

FIG. 3 is likewise a plan view of a dodecagonal base cloth.

FIG. 4 is a side view of a main part for explaining a method of setting a cut portion.

FIG. 5 is a plan view showing another example of the umbrella cloth.

FIG. 6 is a perspective view showing a combined state of the umbrella fabric and the parent umbrella bone.

7 is a plan view of an umbrella fabric corresponding to the umbrella fabric of FIG. 1. FIG.

FIG. 8 is a plan view of an umbrella cloth corresponding to the umbrella cloth of FIG.

FIG. 9 is a plan view of an umbrella fabric corresponding to the umbrella fabric of FIG.

FIG. 10 is a plan view of a hexagon-shaped umbrella cloth.

11 is a plan view of an umbrella fabric corresponding to the umbrella fabric of FIG.

FIG. 12 is a partially cutaway perspective view showing another example of a connecting means for connecting the umbrella fabric and the parent umbrella frame.

FIG. 13 is likewise an enlarged cross-sectional view of a main part.

FIG. 14 is a partially cutaway perspective view showing another example of a connecting means for connecting the umbrella fabric and the parent umbrella frame.

FIG. 15 is likewise an enlarged cross-sectional view of a main part.

FIG. 16 is a plan view of a spare cover.

[Explanation of symbols]

 1 Umbrella 2 Proximal umbrella frame 3 Umbrella base fabric 4 Top corner 5 Center hole 7 Notch 8 Dubbing 9 Sewing 15 Spare cover 16 Chip

Claims (2)

[Claims] 1. A plurality of apex corners of all the apex parts of the umbrella base fabric cut into a polygonal shape in accordance with the number of parent umbrella bones are provided at the central holes of the base fabric. The cut portions are provided so that the cut width is gradually reduced, and the shape of each cut portion is changed from a flat shape to a bowl shape according to the curved shape of the umbrella base cloth when each parent umbrella bone is used. Each sewn portion is set on the basis of the shape of the doubled portion formed in the umbrella fabric in a two-fold state when deformed into a curved shape, and each side edge of each cut portion is sewn together. A one-piece cloth-lined umbrella that is attached to the main umbrella bone. 2. A plurality of apex corners of the umbrella cloth which is cut into a polygonal shape in accordance with the number of parent umbrella bones have a plurality of apex corners facing the central hole of the umbrella cloth. Each notch is formed so that the notch width is gradually reduced, and each top corner of the umbrella fabric having a plurality of sewn portions formed by sewing both side edges of each notch is provided. Spare cover for western umbrellas, each of which has a tip attached to the tip of the parent umbrella bone.