JPH0350536U

JPH0350536U -

Info

Publication number: JPH0350536U
Application number: JP11164889U
Authority: JP
Priority date: 1989-09-26
Filing date: 1989-09-26
Publication date: 1991-05-16
Anticipated expiration: 2004-08-17
Also published as: JPH0630545Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示すパワーシート
スライド装置を適用した自動車用シートの側面図
、第２図は本考案の一実施例のパワーシートスラ
イド装置の斜視図、第３図は同分解状態の斜視図
、第４図はスクリユー軸後部の座席側のレールへ
の取付状態の縦断面図、第５図は本考案の一実施
例のパワーシートスライド装置における座席側の
レールの無負荷時の説明図、第６図は同座席側の
レールの負荷時の説明図、第７図は同座席側のレ
ールの負荷時のこのレールとスクリユー軸との作
用の模式図、第８図は従来のパワーシートスライ
ド装置の一部省略した平面図、第９図は第８図
−線に沿う断面図、第１０図は第８図−線
に沿う断面図、第１１図は第８図−線に
沿う断面図、第１２図は従来のパワーシートスラ
イド装置における座席側のレールの負荷時の挙動
を示す説明図である。３０……車体側のレール、３７，３８……ベア
リングユニツト、４０……座席側のレール、４４
，４５……スクリユー軸枢支ブラケツト、４６…
…スクリユー軸。 Fig. 1 is a side view of an automobile seat to which a power seat slide device is applied, which is an embodiment of the present invention, Fig. 2 is a perspective view of the power seat slide device, which is an embodiment of the present invention, and Fig. 3 is the same. A perspective view of the disassembled state, Fig. 4 is a vertical cross-sectional view of the rear part of the screw shaft attached to the rail on the seat side, and Fig. 5 is an unloaded view of the rail on the seat side in a power seat slide device according to an embodiment of the present invention. Fig. 6 is an explanatory diagram of the rail on the same seat side when it is loaded, Fig. 7 is a schematic diagram of the action of the rail and screw shaft when the rail on the same seat side is loaded, and Fig. 8 is an explanatory diagram when the rail on the same seat side is loaded. A partially omitted plan view of a conventional power seat slide device, FIG. 9 is a cross-sectional view taken along the line of FIG. 8, FIG. 10 is a cross-sectional view taken along the line of FIG. 8, and FIG. 11 is a cross-sectional view taken along the line of FIG. FIG. 12, a cross-sectional view taken along the line, is an explanatory diagram showing the behavior of the seat-side rail in a conventional power seat slide device under load. 30... Rail on the vehicle body side, 37, 38... Bearing unit, 40... Rail on the seat side, 44
, 45... Screw shaft support bracket, 46...
...Screw axis.

Claims

[Scope of utility model registration request]

It has a rail on the vehicle body side and a rail on the seat side that is movably fitted to the rail on the vehicle body side, and a rail formed on the seat side rail by the rail on the seat side and the rail on the vehicle body side. In a power seat slide device in which a screw shaft is rotatably provided within the rail space, and a nut member that is screwed onto the screw shaft is provided on the rail on the vehicle body side, the screw shaft is mounted on the rear end of the rail on the seat side. In addition to fixing the support bracket, a support shaft is formed at the rear of the screw shaft, the support shaft is passed through the screw shaft pivot bracket and protrudes rearward, and a stopper member is attached to this projection. Features a power seat slide device.