JP2545340B2 - Steps such as umbrellas - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stone pole such as a western umbrella and a cane.

[0002]

2. Description of the Related Art Conventionally, for example, a stone head of a western umbrella is attached to the tip of a pipe shaft which constitutes a center rod.

[0003] Various types of stone tips for such an umbrella have been proposed. To alleviate the impact when the stone tip strikes the floor surface when carrying a closed umbrella as a stick, or , It has already been proposed to form the roof with a synthetic resin that is elastic and has a large frictional resistance in order to prevent the roof from slipping over the floor and tipping the umbrella when leaning against the wall. .

[0004] By the way, the conventional footrest constitutes, for example, as shown in FIG. 3, a plug-shaped footrest main body 2 attached to the tip of a pipe shaft 1 which constitutes a center rod. This stone main body 2
A leg portion 3 that is inserted and fixed near the tip of the pipe shaft 1 and a head portion 4 that projects at the tip of the pipe shaft 1 are integrally provided, and are integrally formed of an elastic material such as rubber or synthetic resin.

Therefore, by inserting the leg portion 3 of the stone head main body 2 into the tip of the pipe shaft 1 and appropriately fixing it by a fixing means, a stone foot having a cushioning property and a slip preventing function is provided.

[0006]

However, in the above-mentioned stone foot, when the user presses the stone head on the floor or the road surface when carrying a closed umbrella as a stick, the head of the stone head main body 2 4 repeatedly compresses and restores, is frequently forced to elastically deform, and the elastic deformation of the head 4 spreads to the legs 3.
Therefore, for example, when the leg portion 3 is fixed to the inner surface of the pipe shaft 1 with an adhesive, the adhesive is easily peeled off.

In particular, as shown in FIG. 3 (B), when carrying, when receiving a pressing force P from an oblique direction deviated to the axis of the pipe shaft 1 with respect to the main body 2 of the stone head, the head 4 is caused to have legs. 3 is elastically deformed in a direction in which the leg 3 and the pipe shaft 1 are bent.
Since the adhesive surface with and receives a shearing force, the adhesive is easily peeled off, and moreover, the leg portion 3 is pulled in the direction of being withdrawn from the pipe shaft 1 following the bending deformation of the head portion 4, so that Is highly likely to fall off the leg 3 from the pipe shaft 1.

[0008]

DISCLOSURE OF THE INVENTION The present invention provides a stone protuberance that solves the above-mentioned problems. The first aspect of the present invention is to equip a tip end of a pipe shaft with a protuberance body made of an elastic material. In this case, the protrusion body is integrally provided with a leg portion inserted and fixed in the vicinity of the tip of the pipe shaft and a head portion protruding from the tip of the pipe shaft. The point is that the extending core material is embedded.

Further, the second aspect of the present invention is that the tip of the pipe shaft is fitted with a projection main body made of an elastic material, and the projection main body is inserted and fixed near the tip of the pipe shaft. And a head portion projecting from the tip of the pipe shaft, and a neck portion interposed between the leg portion and the head portion, the ring body being externally inserted to the neck portion. The point is to embed a core material that extends from the part to the head part through the neck part.

[0010]

Embodiments of the present invention will be described in detail below with reference to the drawings.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention, in which a stake is a plug-like member which is attached to the tip of a pipe shaft 11 which constitutes the shaft of a cane rod or a cane. It is composed of the stone foot body 12. This body 12 is
A leg portion 13 inserted and fixed near the tip of the pipe shaft 11,
A head portion 14 protruding from the tip of the pipe shaft 11 is integrally provided, and is integrally formed of an elastic material such as synthetic rubber such as natural rubber or urethane rubber, or elastic synthetic resin. It is preferable that the outer diameter of the leg portion 13 is substantially the same as the inner diameter of the pipe shaft 11, and the outer diameter of the head portion 14 is substantially the same as the outer diameter of the pipe shaft 11.

The protrusion body 12 has a bottomed shaft hole 15 which extends from the opening 10 formed at the center of the tail end of the leg 13 through the leg 13 and extends to the vicinity of the tip of the head 14. The core material 16 is inserted into the shaft hole 15.

In the illustrated embodiment, the shaft hole 15 forms a tapered hole portion 17 which is tapered from the vicinity of the bottom portion toward the bottom portion, and the taper hole portion 17 has a taper which substantially coincides with the tapered hole portion 17 near the tip thereof. The shaft portion 18 is formed. Therefore, it is easy to insert and press the core material 16 into the shaft hole 15 through the opening 10 through the tapered shaft portion 18. The core material 1
Reference numeral 6 has a rigid body structure such as a metal rod, a metal pipe, a hard synthetic resin rod or a pipe, etc., which is relatively inelastic to the headstock body 12.

Before mounting the stone head main body 12 on the pipe shaft 11, as shown in FIG.
The core material 16 is embedded and fixed in the second shaft hole 15. As the fixing means, the core material 16 may be press-fitted and fixed in the shaft hole 15, but may also be bonded and fixed by an adhesive agent.

Then, as shown in FIG. 1C, the core material 1
The foot 13 is completed by inserting and fixing the leg portion 13 of the stone foot body 12 in which 6 is embedded into the tip of the pipe shaft 11. As the fixing means, the legs 13 may be elastically deformed and press-fitted and fixed to the pipe shaft 11, but it is preferable that they are also fixed by adhesion with an adhesive. Alternatively, the leg portion 13 may be loosely inserted in the pipe shaft 11 and fixed by adhesion with an adhesive.

According to the first embodiment, there is provided a stone foot having a cushioning property and a slip preventing function. Therefore, when the user pushes the stone head against the floor surface or the road surface when carrying the closed umbrella as a walking stick, the head portion body 12 made of an elastic material interferes with the core material 16 inside the head portion 14. Therefore, it is not elastically deformed significantly. Therefore, since the leg portion 13 is hardly elastically deformed, even if the leg portion 13 is fixed to the inner surface of the pipe shaft 11 with an adhesive, the adhesive is not easily peeled off.

Further, even when the head portion 14 is subjected to a pressing force from an oblique direction deviated from the axis of the pipe shaft 11 with respect to the projection main body 12 during carrying, the head member 14 is prevented from being bent and deformed by the core member 16. Therefore, unlike the conventional case, the leg portion 13 is not pulled in the direction of being pulled out from the pipe shaft 11 following the bending deformation of the head portion 14, and there is no fear that the leg portion 13 may fall off the pipe shaft 11. Absent.

In the above embodiment, the tip of the core material 16 is located inside the head portion 14 of the stone head main body 12, but the shaft hole 15
May be formed so as to penetrate the top surface of the head portion 14 so that the tip end surface of the core material 16 is exposed at the top surface of the head portion 14. In addition, the core material 16 may be embedded and integrated in the projection body 12 by insert molding when the projection body 12 is formed.

(Second Embodiment) FIG. 2 shows a second embodiment of the present invention, in which the stone foot is a plug-like member which is attached to the tip of a pipe shaft 11 which constitutes the shaft of a center rod or a cane of a Umbrella. It is composed of the stone foot body 12. This body 12 is
A leg portion 13 inserted and fixed near the tip of the pipe shaft 11,
The head portion 14 protruding from the tip of the pipe shaft 11 and the leg portion 1
3 and a neck portion 19 interposed between the head portion 14 are integrally formed, and integrally formed by an elastic material such as synthetic rubber such as natural rubber or urethane rubber, or an elastic synthetic resin. A ring body 20 to be extrapolated to.
It is preferable that the outer diameters of the leg portion 13 and the neck portion 19 are substantially the same as the inner diameter of the pipe shaft 11, and the outer diameter of the head portion 14 is substantially the same as the outer diameter of the pipe shaft 11. .

The projection body 12 has a leg portion 13 and a neck portion 19 extending from the opening portion 10 opened at the center of the tail end of the leg portion 13.
Forming a bottomed shaft hole 15 that extends through to the vicinity of the tip of the head 14, and a core material 16 is inserted into the shaft hole 15.

In the illustrated embodiment, the shaft hole 15 forms a tapered hole portion 17 which is tapered from the vicinity of the bottom portion toward the bottom portion, and the taper hole portion 17 has a taper which substantially coincides with the tapered hole portion 17 near the tip thereof. The shaft portion 18 is formed. Therefore, it is easy to insert and press the core material 16 into the shaft hole 15 through the opening 10 through the tapered shaft portion 18. The core material 1
Reference numeral 6 has a rigid body structure such as a metal rod, a metal pipe, a hard synthetic resin rod or a pipe, etc., which is relatively inelastic to the headstock body 12.

Prior to mounting the stone head main body 12 on the pipe shaft 11, as shown in FIG. 2 (B), the ring body 20 is externally inserted to the neck portion 19 in advance, and the shaft hole 1 of the stone foot main body 12 is attached.
The core material 16 is embedded and fixed to the plate 5. As the fixing means, the core material 16 may be press-fitted and fixed in the shaft hole 15, but may also be bonded and fixed by an adhesive agent. The ring body 20 is made of a metal ring having a metal surface formed by plating or the like, or a synthetic resin ring having a metal surface formed by plating such as vapor deposition, and has a decorative pattern such as a decorative groove 21 as appropriate. It is preferable that the outer diameter of the ring body 20 is substantially the same as the outer diameter of the head portion 14.

Then, as shown in FIG.
The foot portion is completed by inserting 0 and inserting the leg portion 13 of the foot portion main body 12 in which the core material 16 is embedded into the tip of the pipe shaft 11. As this fixing means, the leg 1
3 may be elastically deformed and press-fitted and fixed to the pipe shaft 11, but it is preferable that they are also fixed by adhesion with an adhesive. Alternatively, the leg portion 13 may be loosely inserted in the pipe shaft 11 and fixed by adhesion with an adhesive.

According to the second embodiment, there is provided a stone foot having a cushioning property and a slip preventing function. Therefore, when the user presses the stone head against the floor surface or the road surface when carrying the closed umbrella as a stick, the head body 16 made of an elastic material interferes with the core material 16 inside the head 14. Therefore, it is not elastically deformed significantly. Therefore, since the leg portion 13 is hardly elastically deformed, even if the leg portion 13 is fixed to the inner surface of the pipe shaft 11 with an adhesive, the adhesive is not easily peeled off.

Further, even when the head 14 is subjected to a pressing force from an oblique direction deviated from the axis of the pipe shaft 11 with respect to the main body 12 of the stone head, the head member 14 is prevented from being bent and deformed by the core member 16 when being carried. Moreover, since the neck portion 19 is constrained from the outer periphery by the ring body 20 so as not to bend and deform, the leg portion 13 follows the bending deformation of the head portion 14 and is pulled out from the pipe shaft 11 as in the conventional case. It is not pulled, and there is no fear that the leg portion 13 will fall off the pipe shaft 11.

In the above embodiment, the tip of the core material 16 is located inside the head portion 14 of the stone head main body 12, but the shaft hole 15
May be formed so as to penetrate the top surface of the head portion 14 so that the tip end surface of the core material 16 is exposed at the top surface of the head portion 14. In addition, the core material 16 may be embedded and integrated in the projection body 12 by insert molding when the projection body 12 is formed.

[0027]

According to the present invention as set forth in claim 1, the leg portion 13 of the projection main body 12 made of an elastic material is attached to the tip of the pipe shaft 11 so as to have a cushioning property and a non-slip function. A stone foot can be provided, and at this time, the core material 16 is embedded from the leg portion 13 of the stone foot body 12 to the head portion 14 to prevent the stone foot body 12 from elastically deforming excessively. Due to the external force at the time, the leg portion 13 causes the pipe shaft 1 to move.
The effect is that there is no risk of dropping from 1.

According to the present invention as set forth in claim 2, in addition to the above effect, the decorative effect of the ring body 20 is excellent, and the core body 16 prevents the slab body 12 from the leg portion 13 to the head portion 14 and cannot be bent. And the outer periphery of the neck 19 is supported by the ring body 20.
Since it is constrained so that it cannot be bent, there is an effect that it is possible to more favorably prevent the dropout main body 12 from falling off due to an external force during carrying.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention, (A) is a cross-sectional view showing a disassembled state, (B) is a cross-sectional view showing a state in which a core material is embedded in a stone head main body, (C). [Fig. 3] is a cross-sectional view showing a completed state of a stone head mounted on a pipe shaft.

FIG. 2 shows a second embodiment of the present invention, (A) is a cross-sectional view showing a disassembled state, and (B) is a state in which a ring body is externally inserted and a core material is embedded in a main body of a stone foot. Sectional view shown, (C)
[Fig. 3] is a cross-sectional view showing a completed state of a stone head mounted on a pipe shaft.

FIG. 3 shows a comparative example with respect to the present invention, (A) is a cross-sectional view, and (B) is a side view showing the operation.

[Explanation of Codes] 11 Pipe Shaft 12 Piston Body 13 Leg 14 Head 15 Shaft Hole 16 Core Material 19 Neck 20 Ring

Claims (2)

(57) [Claims] 1. A pipe shaft main body made of an elastic material is attached to the tip of a pipe shaft, wherein the stone base body is inserted and fixed in the vicinity of the front end of the pipe shaft, and projects at the front end of the pipe shaft. A headstock of a western umbrella or the like, which is integrally provided with a head portion and in which a core material extending from the leg portion to the head portion is embedded. 2. A pipe shaft main body made of an elastic material is attached to the tip of the pipe shaft, wherein the stone shaft main body projects into the leg portion inserted and fixed in the vicinity of the pipe shaft tip and the pipe shaft tip. A core integrally provided with a head and a leg interposed between the leg and the head, and a ring body externally inserted to the neck, and a core extending from the leg to the head and extending to the head. Stone umbrellas such as umbrellas characterized by being embedded with wood.