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tilting device

A technology of tilting device and external gear, which is applied in transportation and packaging, special positions of vehicles, vehicle seats, etc., can solve the problems of high cost, complex structure and large number of parts, so as to prevent gradual backward displacement and cost. low effect

Inactive Publication Date: 2017-07-11
DELTA KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, if the structure in which the torsion spring is embedded in the brake drum is adopted as in the above-mentioned Japanese Patent Laid-Open Publication No. 62-177338, there are the following problems: the structure is complicated, the number of parts is large, and the cost is also high.

Method used

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Embodiment Construction

[0044] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

[0045] Such as figure 1 As shown, the reclining device 1 according to the embodiment of the present invention is applied to a vehicle seat 51 including a seat cushion 52 and a backrest 53 .

[0046] Such as Figure 1 to Figure 6 As shown, the reclining device 1 includes: a first bracket 2, which is fixed on the seat cushion 52 via bolts (not shown) passing through the bolt holes 4d; a second bracket 3, which is fixed on the backrest 53 by welding or other joining methods The gear mechanism 5 specifies the installation angle of the second bracket 3 relative to the first bracket 2; the handle 31 is used to operate the gear mechanism 5 and adjust the installation angle of the second bracket 3, that is, the angle of the backrest 53 relative to the seat cushion 52 reclining angle; and the operating shaft 30, one end of which is mounted on the handle 31....

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PUM

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Abstract

In the reclining device of the present invention, the operating member (34) is connected to the handle (31) for manual operation via the operating shaft (30). The operation part pushes the wedge parts (35A, 35B) embedded in the eccentric space (13) of the gear mechanism including the external gear (32) and the internal gear (33) together with the spring part, thereby changing the cog between the external gear and the internal gear. and adjust the installation angle of the second bracket (3) relative to the first bracket (2). A plurality of locking holes (23a) are formed in the first bracket, and the end of the operating shaft is engaged with the engaging recess (31a) of the handle with play in the rotational direction. A locking part (24) with a locked part (24a) that can be inserted into the locking hole is fixed on the operating shaft, and a cam surface that can pull the locked part of the locking part out of the locking hole is provided in the handle. (31d). Accordingly, the reclining displacement of the backrest can be suppressed with a simple and low-cost structure.

Description

technical field [0001] The invention relates to a reclining device that adjusts the recline angle of the backrest relative to the seat cushion. Background technique [0002] As a reclining device installed in a vehicle seat, a reclining device disclosed in Japanese Patent Laid-Open Publication No. Sho 63-47443 is conventionally known. [0003] Such as Figure 24A As shown, the tilting device includes a first bracket 102 installed on a seat cushion 112 and a second bracket 103 installed on a backrest 113 . Further, by rotating an operation shaft 130 described later via the handle 131 , the installation angle of the second bracket 103 relative to the first bracket 102 , that is, the reclining angle of the backrest 113 is adjusted. [0004] Specifically, as Figure 24B , Figure 24C As shown, the first bracket 102 integrally has an external gear 132 , and the second bracket 103 integrally has an internal gear 133 with more teeth than the external gear 132 . [0005] The fir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/235
Inventor 若山浩之
Owner DELTA KOGYO CO LTD