JP2000102086A - Entanglement prevention structure for cord of headphone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the entanglement of the branching cable of a headphone. SOLUTION: This entanglement prevention structure 52 of the cord of the headphone is provided with a pair of supporting pieces 54 provided on the main cable 34 of the headphone 32. One of the pair of the supporting pieces 54 is formed integrally with a first cord 3402 constituting the main cable 34 and the other one of the pair of the supporting pieces 54 is formed integrally with a second cord constituting the main cable 34. The pair of the supporting pieces 54 are formed with a gap capable of clamping a first branching cable 40 on the joining part 3406 of the main cable 34. The pair of the supporting pieces 54 are continuously extended and formed in the length corresponding to the almost entire length of the first branching cable 40, so as to clamp the part over the almost entire length of the first branching cable 40 in the state of being along the main cable 34 by the pair of the supporting pieces 54.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headphone cord entanglement preventing structure.

[0002]

2. Description of the Related Art For example, a headphone 12 such as a portable small tape player has a plug 16 provided at one end of a cable 14 and a sleeve 18 provided at the other end of the cable 14 as shown in a perspective view in FIG. Two branch cables 20, 22 from which the present cable 18 is branched extend from the sleeve 18, and each of the branch cables 20, 2 is branched.
A headphone body 24 is provided at the tip of the second. One branch cable 20 is formed longer than the other branch cable 22 so that the headphone bodies 24 are attached to the left and right ears without the branch cables 20 and 22 being in the way. Such a small portable tape player is carried in a bag or the like when not in use, and is taken out of the bag or the like when used.

[0003]

However, when the portable small-sized tape player is taken out of the bag or the like, especially when the two branch cables 20 and 20 of the headphone 12 are used.
In many cases, the longer branch cable 20 of 22 is entangled because of its thinness and length, and this entanglement must be loosened before attaching the headphone body 24 to the ear. I was The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide a headphone cord entanglement preventing structure that can prevent tangling of a branch cable with a simple configuration.

[0004]

According to the present invention, a first branch cable and a second branch cable from which the present cable is branched extend from a sleeve provided on the present cable. A headphone body is provided at the tip of each of the branch cables, and the first branch cable extends longer than the second branch cable. Is provided, and the pair of support pieces are formed so as to sandwich a portion extending over substantially the entire length of the first branch cable along the present cable.

According to the present invention, when not in use, the first branch cable is sandwiched between a pair of support pieces. As a result, the thin and long first branch cable is clamped in a state in which a portion extending over substantially the entire length thereof is along the thick main cable, and the thin and long first branch cable 40 is prevented from being entangled. Also,
In use, the first branch cable can be easily taken out of the pair of support pieces, and the headphone body can be attached to the ear without the conventional work of untangling.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of headphones to which the entanglement prevention structure of the present invention is applied, FIG. 2 is a perspective view of headphones in a state where a branch cable is held between support pieces, and FIG. 3 is an enlarged perspective view of a support piece portion. 4 is a sectional view showing a state in which the branch cable is held between the support pieces. The headphone 32 includes a main cable 34 and first and second two branch cables 40,
42, two headphone bodies 44, and the like.

[0007] A plug 36 is provided at one end of the main cable 34 in the extending direction, and a sleeve 38 is provided at the other end of the main cable 34 in the extending direction. The main cable 34
As shown in FIGS. 3 and 4, a first cord 3402 constituting the first branch cable 40 and a second cord 3404 constituting the second branch cable 42 are:
The first cord 3402 and the second cord 3404 are configured in such a manner that their outer peripheral sides are joined and integrated.
The joint 3406 where is joined is concave. The first cord 3402 and the second cord 3404 branch inside the sleeve 38, and the first cord 3402 extends from the sleeve 38 as a first branch cable 40,
The cord 3404 extends as a second branch cable 42, and a headphone body 44 is provided at the end of each branch cable 40, 42.

The first branch cable 40 is longer than the second branch cable 42 so that the headphone bodies 44 are attached to the left and right ears without the branch cables 40 and 42 being in the way. Is formed. The first branch cable 40 is folded back in the sleeve 38 and extends from the sleeve 38 toward the main cable 34, and the second branch cable 42 extends from the sleeve 38 in the extension direction of the main cable 34. ing.

A cord entanglement preventing structure 5 according to an embodiment.
2 is a pair of support pieces 5 provided on the main cable 34.
4,54. One of the pair of support pieces 54 is connected to a first cord 340 constituting the cable 34.
2, and the other of the pair of support pieces 54, 54 is formed integrally with a second cord 3404 constituting the cable 34. The pair of support pieces 54, 54
4, as shown in FIG.
The first branch cable 40 is formed so as to be able to pinch the first branch cable 40 above it.

Each of the support pieces 54 has a corresponding one of the cords 3402,
The cross section is formed to protrude from the outer peripheral portion of 3404 so as to have an isosceles triangular shape whose cross section is sufficiently larger than the bottom side. The main cable 34 (first and second cords 3)
402, 3404) are formed by covering the conductive wire with a covering material such as a synthetic resin or rubber material having flexibility, elasticity, and insulation, and therefore, the supporting piece 54 formed integrally with these covering materials. Is deformable, and is urged to return to its original state by the restoring force of the material itself when deformed by an external force.

In the present embodiment, a pair of support pieces 54, 5
4, the pair of support pieces 54 and 54 are attached to the first branch cable 40 so that a portion of the first branch cable 40 over substantially the entire length can be clamped along the main cable 34.
Are formed so as to extend continuously in a length corresponding to substantially the entire length.

According to this embodiment, when the portable small-sized tape player or the like is not used, the thin and long first branch cable 40 is connected to the pair of support pieces 54, 54.
When the first branch cable 40 is sandwiched between the first branch cable 40 and the first branch cable 40, the substantially entire length of the first branch cable 40 is held along the cable 34. Even when the headphones 32 are stowed in a bag or the like together with a portable small-sized tape player or the like in this state when not in use, the thin and long first branch cable 40 extends integrally with the thick main cable 34. Therefore, the tangling of the thin and long first branch cable 40 is prevented. In use, the first branch cable 40 can be easily taken out from the pair of support pieces 54, 54, and the headphone body 44 can be attached to the ear without the necessity of untangling.

FIG. 5 is an enlarged view of both end portions of the support piece 54 in the extending direction, as shown in FIG. If the inclined portion 5410 is formed so as to be gradually lowered, the first branch cable 40 is sandwiched between the pair of support pieces 54, 54, or the pair of support pieces 54, 54 is inserted.
This is advantageous in that the operation of easily taking out from the 54 can be performed more easily. In the embodiment, a pair of support pieces 54,
Although the case has been described in which each of the support members 54 is formed of a single support piece 54 that continuously extends with a length corresponding to substantially the entire length of the first branch cable 40, as shown in FIG. The pieces 54, 54 may be constituted by a plurality of divided pieces 54A, 54A separated in the direction in which the cable 34 extends.

[0014]

As is clear from the above description, the present invention
A first branch cable and a second branch cable, from which the present cable is branched, extend from a sleeve provided in the present cable, and a headphone body is provided at a tip of each of the branch cables. In a headphone in which the first branch cable is formed so as to extend longer than the second branch cable, the main cable is provided with a pair of support pieces, and the pair of support pieces is substantially the same as the first branch cable. The configuration is such that the entire length is sandwiched along the cable. Therefore, according to the present invention, when not in use, the first branch cable is sandwiched between the pair of support pieces, and the thin and long first branch cable follows the book cable having a portion extending over substantially the entire length. The narrow and long first branch cable 40 is sandwiched in a state where the first branch cable 40 is tangled, and is prevented from being entangled. Also,
In use, the first branch cable can be easily taken out from the pair of support pieces, and the headphone body can be attached to the ear without the conventional work of untangling. Therefore, before putting the headphone body on the ear, it is possible to omit the troublesome work of unraveling conventionally, and to significantly increase the practical value of equipment such as a portable small tape player using headphones and the headphone itself. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view of headphones to which an entanglement prevention structure according to the present invention is applied.

FIG. 2 is a perspective view of the headphones in a state where a branch cable is held between support pieces.

FIG. 3 is an enlarged perspective view of a support piece.

FIG. 4 is a cross-sectional view showing a state where a branch cable is held between support pieces.

FIG. 5 is an enlarged view of both end portions in the extending direction of a support piece.

FIG. 6 is a perspective view of a headphone showing a modification of the support piece.

FIG. 7 is a perspective view of a conventional headphone.

[Explanation of symbols]

32 headphone 34 main cable 40 first branch cable 42 second branch cable 44
Headphones body, 54 ... Support piece.

Claims (7)

[Claims] 1. From a sleeve provided on the cable,
A first branch cable and a second branch cable from which the present cable is branched extend, and a headphone body is provided at a tip end of each of the branch cables. The first branch cable is a second branch cable. In a headphone formed so as to extend longer than the branch cable, a pair of support pieces are provided on the main cable, and the pair of support pieces extend a portion of the first branch cable over substantially the entire length along the main cable. A structure for preventing the cords of headphones from being entangled, being formed so as to be clamped in a folded state. 2. The headphone cord according to claim 1, wherein said pair of support pieces are formed to extend on said cable with a length corresponding to substantially the entire length of said first branch cable. Anti-entanglement structure. 3. Both ends in the extending direction of the pair of support pieces,
2. The headphone cord entanglement preventing structure according to claim 1, wherein the headphone cord is formed so as to be inclined so that its height gradually decreases toward the end. 4. The main cable according to claim 1, wherein a first cord constituting the first branch cable and a second cord constituting the second branch cable are formed on a side portion of an outer peripheral portion thereof. Wherein one of the pair of support pieces is formed on the first cord, and the other of the pair of support pieces is formed on the second cord. 2. A structure for preventing the cord of the headphone from being entangled. 5. A first cord and a second cord of the main body cable.
5. The headphone cord according to claim 4, wherein a joint portion where the cord is joined is depressed, and the first branch cable is sandwiched between the pair of support pieces on the joint portion. 6. Tangle prevention structure. 6. The headphone cord entanglement preventing structure according to claim 2, wherein each of said pair of support pieces has a single support piece extending continuously. 7. The headphone cord entanglement preventing structure according to claim 2, wherein the pair of support pieces are constituted by a plurality of divided pieces separated in the extending direction of the cable.