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Seat adjusting apparatus for vehicle

A technology for adjusting equipment and vehicles, which can be applied to vehicle seats, special positions of vehicles, movable seats, etc., and can solve problems such as deformation of long holes or connecting pins.

Active Publication Date: 2011-10-05
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If excessive force is applied to the elongated hole and connecting pin, the elongated hole or connecting pin may be deformed

Method used

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  • Seat adjusting apparatus for vehicle
  • Seat adjusting apparatus for vehicle
  • Seat adjusting apparatus for vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0031] A first embodiment of the seat lifting apparatus 20 of the present disclosure will be described. in the attached figure 1 Among them, the seat lifting device 20 is mounted on a seat device 2 for a vehicle as a seat adjusting device for a vehicle (hereinafter referred to as a seat) for adjusting the height of a seat cushion on which a vehicle occupant sits. chair adjustment device). in the attached figure 2 , the seat cushion is at rest in the fully lowered position. As used herein, the words "rear-rear direction", "lateral direction" and "vertical direction (up-down direction)" and their derivatives refer to directions relative to the vehicle.

[0032] as attached figure 1 As shown in , a seat apparatus 2 for a vehicle (hereinafter referred to as seat apparatus 2) includes a seat rail 11, a seat lifter 20, a lower arm constituting a part of a seat cushion 7 and the seat lifter 20 8, and the upper arm 10 constituting the seat back 9, the seat slide rail 11 includes...

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PUM

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Abstract

A seat adjusting apparatus (20) for a vehicle includes a supporting member (8) pivotally supported at a base member (21) by means of a first bearing (23), a pinion gear (25) driven by a driving device (12), a sector gear (24) engageable with the pinion gear and a restriction mechanism (27, 37) formed at the sector gear for restricting a relative rotation between the pinion gear and the sector gear. The restriction mechanism includes a contact portion (27, 37) coming in contact with the pinion gear so that a component force of a reaction force (F2, F4), which works in a direction in which the first bearing is separated from the second bearing (28), acting on the pinion gear is reduced. A thickness (T) of a first tooth root (24d) of a tooth (24c) included in the teeth formed at the sector gear is larger than a thickness (t) of a second tooth root of the other teeth formed at the sector gear.

Description

technical field [0001] The present disclosure relates to a seat adjustment apparatus for a vehicle that provides size adjustment by moving a movable portion of the vehicle seat. Background technique [0002] Seat lift devices are typically provided to vehicle seats to adjust the height of the seat according to the physical characteristics or preferences of the seat occupant. The known seat lifting apparatus disclosed in JP2009-154638A comprises a four-bar linkage consisting of a base, a front lifting link, a lower arm and a rear lifting arm attached to the lower arm with a pin. Connecting rod composition. The rear lift link is formed with a sector gear for meshing with a pinion driven and rotated by a motor. This four-bar linkage is driven and operated by a pinion, which moves the lower arm up and down. The sector gear includes, at each circumferential end thereof, a toothless portion where no teeth are formed. The pinion stops turning when it rests against the toothless...

Claims

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Application Information

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IPC IPC(8): B60N2/16
CPCB60N2/168B60N2/165B60N2/1615B60N2/02246
Inventor 伊东定夫永田俊显辻英一郎
Owner AISIN SEIKI KK
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