JP7330752B2 - Shoehorn and cane with it - Google Patents

Description

TECHNICAL FIELD The present invention relates to a cane provided with a shoehorn that allows easy putting on of shoes while standing without bending the knees.

As a cane with a shoehorn of this type, a cane with a shoehorn proposed by the present applicant has been previously filed (see Patent Document 1). There, a first wire 110, a second wire 111, a first pulley 112, a first wire 110, a second wire 111, a first pulley 112, and a second wire 110 connected at both ends of a spring 106 inside a hollow support rod 108, like a cane with a conventional shoehorn shown in FIGS. Two pulleys 113 are provided, and the opening rod 107 and the support rod 108 are always pulled to reproduce the stored posture, but the number of parts is large, and it is complicated and expensive.

Japanese Patent Application No. 2017-255445

The problem to be solved is to inexpensively provide a cane equipped with a shoehorn that allows a user to easily put on the heel side and the instep side at once while supporting the body. In addition, by reducing the number of parts and reducing the mass of the cane itself, it is possible to provide a cane that is excellent in portability and easy to use in daily life.

The present invention has two spatulas that guide not only the shoehorn of the heel of the shoe but also the tongue of the shoe with the spatula to facilitate insertion of the foot into the shoe when the shoe is worn in a standing position, and the shoe is provided with one hand while standing. The main feature is that the ferrule at the lower end of the support rod is in contact with the floor outside the shoe, and the opening and closing of the two spatulas can be easily operated, and the two spatulas are guided by the two spatulas to widen the shoe opening. An object of the present invention is to provide a suitable shoehorn and a cane equipped with the same.

The shoehorn of the present invention and the cane provided with the same have the advantages of simple mechanism, low cost and light weight.

It is the side view which inserted the shoehorn into the shoe. Fig. 10 is a side view showing a wide opening for easy insertion of the shoehorn into the shoe; A leaf spring mechanism is shown in a cross-sectional view taken along the line AA in FIG. The plate spring mechanism is a cross-sectional view taken along line CC in FIG. The leaf spring mechanism is shown in the view from the arrow B in FIG. The plate spring mechanism is shown in a view in the direction of arrow D in FIG. A cane with a conventional shoehorn. 1 is a flared side view of a cane with a conventional shoehorn; FIG.

An embodiment of the present invention will be described below with appropriate reference to the drawings. Note that the drawings are schematic. Therefore, it should be noted that the relationship, ratio, etc. between the thickness and the planar dimensions are different from the actual ones, and the drawings include portions where the relationship and ratio of the dimensions are different from each other. Further, each of the embodiments shown below exemplifies an apparatus and a method for embodying the technical idea of the present invention. Arrangements and the like are not limited to the following embodiments.

Here, the embodiment shown below is a shoehorn and a cane equipped with the same, which is usually used as a cane in daily life, and when wearing shoes, when inserting the toe into the shoe, the heel of the shoe and the shoe. Since there are two obstructions on the tongue, it has a structure that allows you to open the two spatulas at once, widen the opening, and easily put on the shoes in a comfortable posture. A detailed description will be given below.

(First embodiment)
(composition)
FIG. 1 is a side view of the apparatus of the present invention, in which the handle 1 is held in a standing position, the ferrule 5 at the lower end of the support rod 8 is placed on the floor, and the shoehorn 3 for the heel of the shoe and the tongue of the shoe are held at the same time. 4 is a diagram of putting the spatula 4 in the shoe. In FIG. 1, the shoehorn and the cane equipped with the shoehorn are shown in the state of being stored, which indicates an unused state, and the state of being used as a cane. there is In this parallel state, the support rod 8 is housed in the inner space side of the leaf spring 6 and is not biased by the leaf spring 6 . Although the details will be described later, when the support rod 8 rotates from the inner space of the leaf spring 6 to the outside through the opening, the leaf spring 6 urges the side surface of the support rod 8 to pinch it. The urging force, together with the weight of the support rod 8, works in a direction to push the support rod 8 back toward the inner space side of the leaf spring 6 from its original position. Further, when the cane is lifted straight up, the weight of the support rod 8 acts more remarkably, so the force pushing the support rod 8 back toward the inner space of the leaf spring 6 acts more strongly.

As shown in FIG. 3, the leaf spring 6 has a cross section, a plane surface, and a bottom surface that are oval with one side open, just like tweezers or tongs. The leaf spring 6 is an elliptical tube, and has a characteristic shape with a linear split opening on one curved side surface as if cut in the longitudinal direction. An opening rod 7 is fixed to the opposite curved surface so as to be disposed inside the curved surface. That is, when the opening rod 7 moves, the leaf spring 6 also moves. It is preferable that the inner radius of the curved surface of the leaf spring 6 and the radius of the opening rod 7 are mutually suitable for internal installation.

When the support rod 8 rotates to protrude from the inner space of the leaf spring 6 to the outside through the opening, the leaf spring 6 receives a pressing force to widen the opening. The urging force of the leaf spring 6 generates a force that keeps press-fitting to push it back.

In FIG. 1, the support rod 8 is kept in the inner space of the leaf spring 6, that is, the support rod 8 is rotated outward through the opening to keep the leaf spring 6 in a balanced state without spreading. The urging force of the leaf spring does not act on the rod 8. The inner radius of the curved surface having the opening of the plate spring 6 and the radius of the support rod 8 should preferably be configured with diameters suitable for internal installation.

A more detailed description will be given with reference to FIG. 4 and FIGS. 5 and 6 viewed from the side. FIG. 5 is a view viewed from the direction B in FIG. 1, showing the opening of the leaf spring 6 and the relationship between the leaf spring 6 and the first connecting shaft 2 that supports the support rod 8. As shown in FIG.

Since the gap width of the opening of the leaf spring 6 does not exceed the diameter of the support rod 8, the support rod 8 must push the opening of the leaf spring 6 open, as shown in FIG. It does not protrude outside from the opening side of the leaf spring 6. - 特許庁

FIG. 4 is a sectional view showing the state of the support rod 8 and leaf spring 6 in the posture shown in FIG. In FIG. 4, the opening of the leaf spring 6 is forced open by the support rod 8 and is about to protrude from the opening side of the leaf spring 6 .

However, as shown in FIG. 2, the top end of the support rod 8 abuts against the side surface of the opening rod 7, thereby serving as a stopper that suppresses the rotation of the support rod 8. Therefore, the support rod 8 cannot be opened any further. It does not rotate in any direction.

FIG. 6 is a view viewed from direction D in FIG. 2, and shows the state of the opening of the leaf spring 6 in the posture shown in FIG. The support rod 8 pushes the lower end of the opening of the leaf spring 6 open and protrudes outward from the opening of the leaf spring 6 . Here, the upper end of the support bar 8 abuts against the opening bar 7, so that the support bar 8 does not rotate further in the opening direction. The state of the opening of the plate spring 6 in FIG. 6 is the maximum amount of opening.

When the support rod 8 tries to rotate outward from the inner space of the leaf spring 6 through the opening, the leaf spring 6 biases the side surface of the support rod 8, and the biasing force is the weight of the support rod 8 itself. Together, they work in a direction to push the support rod 8 back toward the inner space of the leaf spring 6 . The state in which this biasing force to push back acts on the support rod 8 is hereinafter referred to as "restraint". It is preferable that the corners of the lower end of the opening of the plate spring 6 are rounded so that the support rod 8 can smoothly move in and out of the opening.

Next, the structure acting on the spatula 3 for the heel of the shoe will be explained. A shoe heel spatula 3 pivotally supported by a second connecting shaft 9 in the central portion of the support rod 8 has a second stopper 11 which effectively functions as a stopper for the support rod 8 on the upper portion of the shoe heel spatula 3. It has a first stopper 10 . The shoe heel spatula 3 is rotatable about the second connecting shaft 9 until the second stopper 11 comes into contact with the side surface of the support rod 8 so as to spring up. When used daily as a cane, the spatula 3 for the heel of the shoe is suspended directly below by its own weight, or suspended with the first stopper 10 in contact with the side surface of the support rod 8. - 特許庁

That is, the spatula 3 for the heel of the shoe is prevented from rotating further toward the support rod 8 by the first stopper 10 . The first stopper 10 is present to prevent the bottom of the shoe heel spatula 3 from approaching the support rod 8 . The axial direction of the second connecting shaft 9 is the same as the axial direction of the first connecting shaft 2, that is, the rotating direction of the support rod 8 and the rotating direction of the spatula 3 for the heel of the shoe are also the same direction. .

In FIG. 1, the spatula 4 for the tongue of the shoe and the spatula 3 for the heel of the shoe are close to each other. In order to support the weight of a person as a cane, when the weight is put on the handle 1 with the ferrule 5 in contact with the ground, the opening rod 7 keeps the ferrule 5 pressed against the ground due to the human weight. It may act as an external force to rotate the first connecting shaft 2 counterclockwise around the center of rotation. However, since the spatula 4 for the tongue of the shoe and the spatula 3 for the heel of the shoe immediately come into contact with each other and function as stoppers, even in such a case, the opening bar 7 keeps stably standing.

Suppose that the shoe tongue spatula 4 or the shoe heel spatula 3 is made of an elastic material such as polyvinyl chloride, and the shoe tongue spatula 4 and the shoe heel spatula 3 are separated from each other. Even if the contact does not function as a stopper, the lower end of the opening rod 7 immediately contacts the side surface of the support rod 8 and functions as a stopper that suppresses the rotation of the support rod 8. The rod 8 does not rotate so as to fall down greatly.

In addition, the spatula 3 for the heel of the shoe does not sway greatly and does not feel disturbed even when the user walks while thrusting a cane, due to the effect of the spatula 4 for the tongue of the shoe and the first stopper 10. .

Next, the operating state, actions and effects of the shoehorn and the cane provided with the same will be described. First, normally, when used as a cane in daily life, if the opening rod 7 and the support rod 8 are secured by the fasteners 12, they will not be separated from each other. It can be used without problems in daily life as a cane.

Next, the case of using it as a shoehorn will be described. First, the fixture 12 is removed in advance. After that, the handle 1 is tilted rearward clockwise as shown in FIG.

In FIG. 2, a ferrule 5 serving as a fulcrum is placed on the floor, a support rod 8 is opened while being restrained around the first connecting shaft 2 by an operating force of a handle 1, and a spatula 4 for a tongue of a shoe is used to open the shoe. When the tongue is pushed forward, the shoe shifts forward, and the shoe horn 3 for the heel of the shoe rotates around the second connecting shaft 9 due to the forward shift of the shoe, and the second stopper 11 moves to the support rod 8. When the spatula 4 for tongue of the shoe comes into contact with , the opening for the foot is opened wide. That is, FIG. 2 is a diagram in which the heel and the tongue of the shoe are guided by two spatulas 3 and 4 to enlarge the opening for easy entry of the foot. As a result, the operating force of the handle 1 is balanced between the shoehorn 3 for the heel of the shoe and the spatula 4 for the tongue of the shoe with the ferrule 5 serving as a fulcrum as an axis, so that the handle 1 does not sway even when the handle 1 is gripped. You can put your feet in and put on your shoes.

When the device of the present invention is stored, the support rod 8 is always restrained by the force of the leaf spring 6 fixed to the opening rod 7 so that the posture shown in FIG. The spatula 3 and the spatula 4 are in contact with each other, and the first stopper 10 of the shoehorn 3 for the heel of the shoe is in contact with the support rod 8 to always reproduce the posture shown in FIG.

The material of the plate spring 6 is not particularly limited as long as it is an elastic material such as a general spring steel flat plate, a stainless steel flat plate, or a resin material such as polyvinyl chloride (vinyl chloride resin) or wood. The materials used for the opening rod 7 and the support rod 8 are not particularly limited as long as they are materials used as walking sticks, such as steel materials generally called round pipes, aluminum materials, resin materials, and wood.

REFERENCE SIGNS LIST 1 handle 2 first connecting shaft 3 shoehorn for shoe heel 4 spatula for shoe tongue 5 ferrule 6 plate spring 7 opening rod 8 supporting rod 9 second connecting shaft 10 first stopper 11 second stopper 12 fixture

Claims (1)

An opening bar having a handle at the top and a shoe tongue spatula at the bottom and a support bar having a ferrule at the bottom end are supported by a first connecting shaft, and a second connecting shaft is provided substantially in the center of the support bar. A shoe horn for the heel of a shoe is rotatably supported in the same direction as the swinging direction of the opening rod, and a walking stick provided with the shoe horn, wherein the first connecting shaft is connected via an elastic member. The opening rod and the support rod are rotatably supported by each other, and the elastic member has one end fixed to the central portion of the opening rod and the other end connected by the upper portion of the support rod and the first connecting shaft. The support rod and the opening rod are axially mounted, and the support rod and the opening rod are arranged side by side close to each other in the longitudinal direction of the elastic member. An elliptical tube having an opening, wherein the support rod is axially attached to the inner surface of the curved surface having the opening by the first connecting shaft while being provided inside the curved surface having the opening, and the opening rod is attached to the other curved surface When the opening rod rotates about the first connecting shaft, the support rod pushes the elastic member opening from the inside due to the joint movement of the elastic member. A shoehorn and a cane equipped with the shoehorn, characterized in that, by continuously pushing out the support bar until the upper end of the support bar abuts against the side surface of the opening bar, the support bar is constantly pressed. .

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