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Angle adjusting fitting

An angle adjustment and accessory technology, which is applied to home appliances, chairs, reclining chairs, etc., can solve the problems of increasing the size of the angle adjustment accessories, the inability of the wedge parts to move smoothly, and the inability to reliably prevent the rotation of the second accessory, etc. The effect of miniaturization

Inactive Publication Date: 2014-03-05
HIKARI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, when the mutual positions of the two wedge-shaped windows are misaligned, the wedge member shakes in the two wedge-shaped windows, and as a result, there is a problem that the movement of the wedge members in the two wedge-shaped windows cannot be carried out smoothly, or further , the wedge part falls off from any one of the two wedge-shaped windows, and the rotation of the second fitting cannot be reliably prevented
However, since the width of each wedge surface corresponds to the wall thickness of each wall portion of the first fitting, in order to increase the width of each wedge surface, it is necessary to increase the wall thickness of each wall portion of the first fitting, resulting in an angle adjustment fitting. The problem of increasing size of

Method used

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Embodiment Construction

[0072] Next, several embodiments of the present invention will be described below with reference to the drawings.

[0073] The angle adjustment accessories 10 of this embodiment are as figure 1 As shown, it is used as a reclining seat such as seat 20. The seat 20 includes a seat frame 21 as one component and a back frame 22 as another component. The seat frame 21 and the back frame 22 are each formed of a metal circular pipe bent in a substantially U-shape. In addition, the rear ends of the left and right frame parts 21a, 21a of the seat frame 21 and the lower ends of the left and right frame parts 22a, 22a of the back frame 22 pass through the pair of left and right angle adjustment fittings 10, 10 of this embodiment, respectively. And connected, thereby, the back frame 22 can be tilted relative to the seat frame 21 within the angle range from the unfolded state to the erected state.

[0074] The angle adjustment accessories 10 of this embodiment are as Figure 5A As sho...

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PUM

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Abstract

The invention provides an angle adjusting fitting, having first and second fittings with a carrying member (3), and a wedge member (7). The carrying member (3) is formed by a curved molding of a metal plate with an n-shaped section. The curved molding has a carrying plate portion (3a) opposite to a gear portion (9c) of the second fitting (9) and a pair of opposite two side plate portions (3b, 3b) bent from two side margins in the width direction. In a wedge shape gap (5) between the carrying plate portion (3a) and the gear portion (9c) and between two side plate portions (3b, 3b), the wedge member is arranged movably in the length direction of the wedge shape gap (5) in a state of limiting the movement in the width direction through two side plate portions (3b, 3b); furthermore, the wedge member (7) is engaged with the gear portion (9c) through its tooth portion (7b) and its back side (7c) is carried through abutted with a plate surface (3k) of the carrying plate portion (3a) so as to prevent the second fitting (9) from rotating in the reverse direction.

Description

technical field [0001] The present invention relates to an angle adjustment fitting used in a reclining seat such as a seat and a reclining seat using the same. Background technique [0002] As an angle adjustment fitting for adjusting the inclination angle of the back frame in a reclining seat such as a seat or a vehicle seat, for example, components described in Japanese Patent Laid-Open No. 9-19339 or Japanese Patent No. 3766669 (refer to Patent Document 1 or 2). [0003] The angle adjustment fitting (joint fitting) of the former publication (Japanese Unexamined Patent Publication No. Hei 9-19339) has a first fitting, a second fitting pivotally mounted on the first fitting, and a receiving cam member. Between the convex curved surface of the second fitting and the concave curved surface formed on the receiving cam member, a wedge-shaped gap gradually widening upward is formed, and a roller is inserted into the wedge-shaped gap so as to roll freely. , with the rotation o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C11/10A47C1/025
Inventor 桥田成敬樱井由
Owner HIKARI