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multi-axis drive

A multi-axis drive and power technology, which is applied to transmission devices, gear transmission devices, friction transmission devices, etc., can solve the problems of laborious installation of cables and many peripheral components, and achieves simple structure, improved productivity, and assembly. easy effect

Inactive Publication Date: 2016-08-10
NHK SPRING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the form in which the rotation of the output shaft is transmitted to the movable part using the above-mentioned flexible cable, there are many peripheral parts in terms of structure, and it is laborious to install the cable, so it is improved in terms of productivity. room for

Method used

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Examples

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Embodiment Construction

[0044] Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

[0045] (1) Structure of multi-axis drive device

[0046] figure 1 It is a perspective view of the multi-axis driving device according to one embodiment. This multi-shaft drive device selectively drives a plurality of movable mechanisms of a vehicle electric seat (not shown) with one motor 1 . In this case, there are three movable mechanisms: an elevating mechanism for adjusting the height of the seat surface, a reclining mechanism for adjusting the angle of the seat back (backrest), and a sliding mechanism for adjusting the front-rear position of the seat. These movable mechanisms are operated by forward and reverse rotation of a drive shaft included in each mechanism.

[0047] figure 1 In , reference numeral 10 is a device case, and 13 is a cover covering the device case 10 . figure 2 It is a plan view of the state after removing the cover 13, image 3 A pers...

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Abstract

The present invention provides a multi-shaft drive device that has a simplified structure for a power transmission member that transmits rotation of an output shaft to a movable mechanism, thereby improving productivity, compared with conventional flexible cables. A power transmission member that transmits the rotation of the output shaft (31) to the movable mechanism among the second output portion (30B) and the third output portion (30C) among the plurality of output portions (30) of the clutch unit (2). It is a conventional twisted cable, but in the first output part (30A), a gearbox (3) including a worm (71) coaxially and integrally formed with the output shaft (31A) is used as a power transmission member.

Description

technical field [0001] The present invention relates to a multi-shaft drive device that selectively drives a plurality of appropriate movable mechanisms included in a vehicle electric seat or the like by using one motor. Background technique [0002] Most of the vehicle seats have a structure that can adjust multiple positions such as sliding in the front and rear directions of the entire vehicle seat, vertical movement of the seat height, or inclination of the seat back (backrest), so that the The vehicle seat is adapted to the body shape and posture of the passenger. These movable parts can be adjusted manually, but as a more convenient seat, an electric seat that can be adjusted by driving a motor is provided. [0003] In order to independently drive a plurality of movable parts, a structure in which motors are connected to output shafts connected to the movable parts one by one is conceivable, but this increases the number of motors. Therefore, if one motor is used to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H1/16B60N2/02F16D11/04F16H1/06F16H1/12F16H37/06
CPCF16H37/065B60N2/0296Y10T74/188F16H19/08B60N2/02253B60N2/02246F16H1/16B60N2/02F16D11/04F16H1/06F16H1/12F16H37/06
Inventor 中村武小田昌弘胜部健一重松良平饭野信次
Owner NHK SPRING CO LTD