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Power seat slide device for vehicle

A technology of electric seats and equipment, which is applied to vehicle seats, movable seats, special positions of vehicles, etc., and can solve problems such as displacement and uneven distribution of vehicle seats

Inactive Publication Date: 2009-06-03
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Thus, when an impact load is applied to the upper rail 82 and the support frame 87 (gear box 85), the support frame 87 and the like are deformed due to the load concentratedly applied to the joint surface—the load is unevenly distributed on the upper rail 82, and thus , the vehicle seat may shift
[0013] Particularly, since the support frame 87 (gear box 85) is engaged to the upper rail 82 at its upper portion with respect to the screw shaft 84 penetrating the support frame 87, the load is concentratedly applied to the joint surface (load transfer surface), and the support frame 87 bent downwards, as a result, the vehicle seat may shift

Method used

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  • Power seat slide device for vehicle
  • Power seat slide device for vehicle
  • Power seat slide device for vehicle

Examples

Experimental program
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Embodiment Construction

[0025] An embodiment of the present invention in which an electric seat slide apparatus for a vehicle is mounted on a front seat of a vehicle such as an automobile will be described below with reference to the accompanying drawings. In this embodiment, directions such as front and rear, left and right, and vertical are set with respect to the vehicle seat.

[0026] FIG. 1 shows an exploded view showing a power seat slide apparatus 1 for a vehicle in this embodiment. Fig. 2 shows a side view showing a part of the electric seat sliding device 1; Fig. 3A shows a cross-sectional view showing an enlarged view of the electric seat sliding device shown in Fig. 2; Fig. 3B A cross-sectional view along line IIIB-IIIB of the electric seat sliding apparatus shown in FIG. 3A is shown. As shown in the above figures, the electric seat slide apparatus 1 mainly includes a lower rail 11 as a first rail, an upper rail 12 as a second rail, and a drive mechanism 13 as an electric drive source.

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PUM

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Abstract

A power seat slide device for a vehicle includes a first rail fixed on a vehicle floor, a second rail fixed at a vehicle seat, a first rolling body, a second rolling body, a screw shaft having a shaft center, a gear box including a gear housing and a supporting bracket and a plate, the supporting bracket including a main unit portion and extending portions, the main unit portion engaging with a top end surface of each of the second side wall portions and a top end surface of the cover portion and each of extending portions extends outward in a width direction thereof from the main unit portion and engaging with a top end surface of the base end portion of each of the second folded wall portions.

Description

technical field [0001] The present invention relates to a power seat slide device for a vehicle. Background technique [0002] As disclosed in 2001-239861A and 2002-192996A, there have been proposed various types of electric seat sliding apparatuses for vehicles for moving the upper It slides relative to the lower track to adjust the position of the vehicle seat relative to the vehicle floor. Fig. 5 shows a longitudinal sectional view showing an example of the electric seat slide apparatus for a vehicle. As shown in FIG. 5 , the electric seat sliding device includes a lower rail 81 , an upper rail 82 , a nut member 83 , a screw shaft 84 and a gear box 85 . In particular, a lower rail 81 is fixed to the vehicle floor, and an upper rail 82 supports the vehicle seat, wherein the upper rail 82 is slidably supported by the lower rail 81 . A nut member 83 is fixed to the lower rail 81, a screw shaft 84 is screwed onto the nut member 83, and a gear box 85 is fixed to the front e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/07
CPCB60N2/0232B60N2/0705B60N2/067B60N2/02246
Inventor 中村祯孝木村俊博
Owner AISIN SEIKI KK