JP2001245716A - Reflective, flexible and elastic ferrule for stick - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reflective, flexible and elastic ferrule for a stick wherein the reflective member can be molded into a compact cylindrical shape by pressing a metal material, and at the same time, the attachment can be easily performed, and in addition, the main body constitution can be molded mainly of a rigid and elastic synthetic resin material, and also, the fixation to the lower end of the stick main body can be easily and surely performed. SOLUTION: A ferrule main body (a) comprising a flexible deforming section 5, which is formed of a lower section 1 of a truncated conical shape on the ground touching side, an upper section 2 on the stick attaching side, and an annular recess 6 of which the vertical cross-section is an arc shape, is formed. In this case, on the upper section 2, a stick-attaching hole 9 is bored, and the upper section 2 has an uneven peripheral surface 4 of which the lateral cross section is a saw blade shape or corrugated. The annular recess 6 connects both of the lower and upper sections 1 and 2. At the same time, an uneven reflective surface X is fixed by engaging with the uneven peripheral surface 4 of the upper section 2, and has a lateral cross section of a saw blade-shape or a corrugated shape. On the upper end of such an uneven reflective surface X, a cylindrical metal reflective body 7 having a flange section 8, which is engaged with the upper end outer peripheral surface of the upper section 2, is fitted to form the ferrule. Then, the ferrule main body (a) is formed of a hard rubber material made of a synthetic resin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cane, a crutch, and various other canes, and more particularly to a reflective flexible elastic foot for a cane that is convenient for use at night for rehabilitation of the elderly, the disabled, the sick, and the like.

[0002]

2. Description of the Related Art In general, various types of canes having a foot are known, and in many cases, an elastic foot made of rubber or the like is attached to a lower end of a cane body.

[0003] Recently, there has been known a foot that can be freely flexibly using a ball joint.

[0004]

The intended purpose can be achieved by always using the cane body so that it is perpendicular to the road surface. It is difficult to maintain the vertical state when using it diagonally or on slopes and stairs, so it has to be inclined to the road surface, and the elastic foot is also inclined and grounded, and it can not be used in a stable state There's a problem. In contrast,
At the time of touchdown, a V-shaped annular groove that can be flexibly deformed so that the touchdown portion is maintained perpendicular to the road surface (see Japanese Utility Model Application Laid-Open No. 58-1399).
No. 19) and an elastic lip provided with a constricted groove (Japanese Utility Model Laid-Open No. 6-26525) are known. However, even when used diagonally, the response is poor and the durability is poor. There was no problem.

[0005] The latter has solved the disadvantages of the former, but the ball joint construction complicates the structure, and at the same time, the movable part for holding the ball appears as a sliding part on the surface. In addition, there is an inconvenience that dust and sand on the road surface easily enter into a gap formed between the ball and the movable part, which causes a failure.

[0006] To solve such inconveniences,
The applicant of the present invention has a wand which has an arc-shaped annular recess which has no movable part or sliding part, is formed integrally as a whole, has excellent flexibility and resilience, and has a simple structure. Flexible elastic foot and its cane are disclosed in Japanese Patent Application No. 10-1529.
No. 28 and Japanese Patent Application No. 11-6922. In addition, improvements are made to these two series of inventions, and the looseness of the connecting portion between the foot and the tip of the cane is eliminated, so that the use comfort is good, and a strong and stable connection is always expected regardless of the flexible deformation of the foot. A flexible elastic foot for a walking stick and the walking stick are provided in the invention of Japanese Patent Application No. 11-94939.

Further, Japanese Patent Application No. 11-6922 and Japanese Patent Application No.
In No. 0-351500, a reflector is provided on the outer periphery of a part of a stone foot, and when used in the night or in a dark place, the light of a car or a street light is reflected to indicate the presence of a user to the outside, and safe walking is performed. It proposes a configuration that can be secured.

According to the present invention, in addition to the invention previously proposed and filed by the present applicant, the reflecting member can be formed into a cylindrical compact shape by pressing a metal material, and can be easily attached. Moreover, not only can the main body of the grit be formed of a hard and elastic synthetic resin material, but also it can be easily and securely fixed and fixed to the lower end of the cane body. The purpose is to provide a foot.

[0009]

The present invention can achieve the above object by providing the following constitution.

(1) A truncated cone-shaped lower part on the ground side, an upper part on the cane mounting side having a transverse section, a saw-toothed or wavy irregular surface with a cane mounting hole, and a longitudinal section connecting the two parts. An upper end of a serrated or corrugated reflecting surface having a sawtooth-like or wavy cross-section that is fixed by being engaged with the upper concave-convex peripheral surface while forming a stone-protrusion main body including a flexible deformed portion formed by an arc-shaped annular concave portion. And a cylindrical metal reflector having a flange portion engaged with the outer peripheral surface of the upper end of the upper portion is fitted to the upper portion, and the stone body is formed of a synthetic resin hard rubber material. Reflective flexible elastic feet.

(2) On the inner periphery of the opening of the upper cane mounting hole,
At the same time as burying the ring for holding the opening or holding the cane, a column-shaped projection is projected at the center of the bottom of the upper cane mounting hole,
The reflective flexible elastic lip for a cane according to the above (1), wherein an annular groove is formed between the inside of the lower part of the cane mounting hole and a washer is buried at the bottom of the annular groove.

[0012]

Embodiments of the present invention will be described below.

In each of the figures, reference numeral 1 denotes a truncated cone-shaped lower portion on the grounding side, and 2 denotes an upper portion on the cane mounting side to which a lower end portion 3a of a pipe-shaped or rod-shaped cane body 3 can be mounted. It has a columnar shape with the same or smaller diameter, and has a cross-sectional, saw-tooth or wavy uneven surface 4 on the outer periphery. Reference numeral 5 denotes a flexible deformable portion which connects the two portions 1 and 2 provided between the lower portion 1 and the upper portion 2 and which forms, for example, an annular recess 6 which is recessed in an arc shape in a vertical section as shown in the figure. The upper side reaches the lower side of the upper part 2, thereby forming a notched end face pattern 4 a of the saw-toothed or wavy uneven peripheral surface 4. Then, the lower part 1, the flexible deformation part 5, and the upper part 2
Are integrally formed to constitute a stone foot main body a, and this stone foot main body a is divided or integrally molded with an elastic hard synthetic resin material. And this elastic hard synthetic resin material can give favorite coloring, such as brown and yellow, besides black. Reference numeral 7 denotes a tubular metal reflector, which has a cross section fixed to be engaged with the uneven peripheral surface 4 of the upper part 2, a saw-toothed or wavy mirror-finished uneven reflective surface X, and an upper end of the upper part 2. It has a cylindrical configuration having a flange portion 8 having the same reflection surface as the anti-slope surface to be engaged with the outer peripheral surface.

The metal reflector 7 is made of a thin metal,
For example, it can be formed by pressing of steel, aluminum, stainless steel, etc.
Is preferably mirror-finished by plating or the like.

The uneven reflecting surface X is provided with a metal reflector 7.
Although a desired colored reflective material can be used over the entire surface, silver silver is generally preferred. However, colors indicating caution or caution, such as red and yellow, are also possible, and instead of plating, reflective coating finishing or sheet material can be formed by a bonding means using a strong adhesive.

Reference numeral 9 denotes a cane mounting hole formed in the center of the upper surface of the upper part 2, and a metal annular body 10 is integrally embedded along the inner periphery of the opening at the time of molding. It is attached to make sure.

Numeral 11 denotes a column-shaped, mountain-shaped projection provided at the center of the bottom of the cane mounting hole 9, which forms an annular groove 12 with the lower inside of the cane mounting hole 9, and forms the lower end edge 3 b of the cane main body 3. At the bottom of the annular groove 12, a washer 13 is disposed so that the lower end 3c of the cane abuts.

Reference numeral 14 denotes a non-slip groove formed concentrically on the bottom surface of the lower part 1.

The operation will be described based on the configuration described above.

When the wand mounting hole 9 of the upper part 2 is used at the tip of the wand body 3 as a stone foot, even if the angle of the wand body 3 with respect to the road surface changes variously, the flexible deformable portion 5 mainly has an arc-shaped cross section. The annular recess 6 is deformed as much as possible, and the lower part 1 always faces perpendicularly to the road surface without slipping, thereby helping the user to walk safely.

Further, in a dark place such as at night, under the light of a car or a street lamp, the metal reflector 7 fitted on the upper part 2 has a cross-section saw-toothed or corrugated uneven anti-sloping surface X to generate scattered reflected light. It emits to the surroundings and can alert the general pedestrian as well as the car and the driver of the car, so that it can walk safely and prevent an accident. In particular, since the reflecting surface is the uneven reflecting surface X, the reflected light is
The direction of reflection can be changed in accordance with the function of, and the degree of attention to the viewer can be gradually increased.

Further, since the stone foot main body can be formed of an elastic hard synthetic resin material of a desired color, the stick can be given fashionability and the feeling of use can be improved.

Further, a metal reflector 7 having an uneven anti-slope surface X
Can be formed as a cylindrical body with a flange by pressing a desired thin metal, and the inside of the concave / convex anti-slope X is engaged with the concave / convex peripheral surface 4 of the upper portion 2 and the outer peripheral surface of the upper portion 2 of the flange portion 8 is formed. The metal reflector 7 itself can be made small in size and attached by locking so that the metal reflector 7 itself can be attached in a well-balanced manner.

Further, the lower end edge 3b of the lower end portion 3a is fitted into the annular groove 12 when the cane main body 3 is attached to the stone body a.
The lower end 3c is not only positioned in abutment with the washer 13 at the bottom, but also securely positioned between the lower inner side of the cane mounting hole 9 and the mountain-shaped projection 11, and the upper end 2 of the lower end 3a is connected to the cane. Since it is held by the annular body 10 buried in the inner periphery of the opening of the mounting hole 9, there is no risk of withdrawal and the upper part 2 can secure the shape of the cane mounting hole 9 by the annular body 10, so that the overall strength is improved. Can be increased.

[0025]

According to the present invention, the part to be the main body of the cane, that is, the main body of the cane is obtained by integral molding of an elastic hard resin material, and has a circular arc shape with a vertical cross section connecting the upper part and the lower part. The flexible deformed portion of the recess is bent and deformed to eliminate the slip phenomenon, and can be used safely. Also, the metal reflector fitted on the top can receive light at night or the like and emit reflected light, so use a cane The presence of the user can be confirmed, and in particular, the reflected light becomes scattered light that constantly changes due to the uneven slope, so there is an advantage that the presence of the user can be more reliably appealed.

Further, since the metal reflector 7 can be formed by pressing a metal material, the metal reflector 7 has an effect that it can be used for a long time and does not lose its mirror reflection function.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a reflective flexible resilient foot for a cane according to the present invention.

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is a side view of the main body of the foot with the metal reflector removed.

FIG. 6 is a side view of a metal reflector.

FIG. 7 is a plan view of a metal reflector.

FIG. 8 is a low-side view of a metal reflector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower part 2 Upper part 3 Cane main body 4 Transverse cross section, saw-toothed or wavy uneven peripheral surface 5 Flexible deformation part 6 Annular concave part concaved in arc shape in longitudinal section 7 Metal reflector 9 Cane mounting hole 10 Metal ring 11 Projection 12 Annular groove 13 Washer

Claims (2)

[Claims] 1. A truncated conical lower portion on the ground side, an upper portion on the cane mounting side having a transverse section, a saw-toothed or wavy irregular surface having a cane mounting hole, and a longitudinal section circle connecting the two portions. Forming a stone body consisting of a flexible deformed portion formed by an arc-shaped annular recess, and at the upper end of a cross-section saw-tooth or wavy uneven reflecting surface fixed by engaging with the upper uneven surface. A reflection member for a cane, wherein a cylindrical metal reflector having a flange portion engaged with the upper end outer peripheral surface of the upper portion is fitted, and the stone body is formed of a synthetic resin hard rubber material. Flexible elastic feet. 2. An annular body for retaining the shape of the opening or holding the cane is buried in the inner periphery of the opening of the upper cane mounting hole, and a column-shaped projection is formed at the center of the bottom of the upper cane mounting hole. 2. The reflective flexible resilient foot according to claim 1, wherein an annular groove is formed between the inside of the lower part of the cane mounting hole and a washer is buried at the bottom of the annular groove.