JPS6351840U

JPS6351840U -

Info

Publication number: JPS6351840U
Application number: JP1986145777U
Authority: JP
Priority date: 1986-09-25
Filing date: 1986-09-25
Publication date: 1988-04-07

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の第１実施例のシートリフタ
を備える自動車用シートの支持部の側面図、第２
図は、第１図のＡ―Ａ線に沿う拡大縦断正面図、
第３図は、第２図のＢ―Ｂ線に沿う要部の縦断側
面図、第４図は、本考案の第２実施例のシートリ
フタを備える自動車用シートの支持部の側面図、
第５図は、同じく正面図、第６図は、第５図のＣ
―Ｃ線に沿う拡大縦断面図、第７図は、第５図の
Ｄ―Ｄ線に沿う拡大横断面図である。１……シート、２……座部、４……ベース部材
、８……角度調節装置、９，１０……腕片、１１
……カム軸、１１ａ……偏心カム、１１ｂ……軸
部、１２……内歯歯車、１４……軸孔、１５……
外歯歯車、１６……受孔、２０……軸、２１……
カバープレート、２５……回転ハンドル（回転手
段）、２６……リンク、２９……モータ（回転手
段）。 FIG. 1 is a side view of a supporting portion of an automobile seat equipped with a seat lifter according to a first embodiment of the present invention;
The figure is an enlarged longitudinal sectional front view taken along line A-A in Figure 1,
3 is a longitudinal sectional side view of the main part along the line BB in FIG. 2, FIG. 4 is a side view of a support part of an automobile seat equipped with a seat lifter according to a second embodiment of the present invention,
Figure 5 is a front view, and Figure 6 is C of Figure 5.
FIG. 7 is an enlarged cross-sectional view taken along line DD in FIG. 5. DESCRIPTION OF SYMBOLS 1... Seat, 2... Seat part, 4... Base member, 8... Angle adjustment device, 9, 10... Arm piece, 11
...Cam shaft, 11a... Eccentric cam, 11b... Shaft portion, 12... Internal gear, 14... Shaft hole, 15...
External gear, 16... Receiving hole, 20... Shaft, 21...
Cover plate, 25... Rotating handle (rotating means), 26... Link, 29... Motor (rotating means).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

基部の中央に軸孔が穿設され、かつ基部の一側
面に前記軸孔と同心の内歯歯車を有する第１の腕
片と、前記内歯歯車の歯数よりわずかに少ない歯
数の外歯を有し、かつ前記内歯歯車と噛合する外
歯歯車を、基部の一側面に備えるとともに、前記
外歯歯車の中心位置に受孔が穿設された第２の腕
片と、前記第１の腕片の軸孔に枢嵌された軸部と
一体をなす偏心カムを、前記第２の腕片の受孔に
相対回転自在に嵌合したカム軸とにより、両腕片
の交差角度を偏心差動歯車機構により調節可能と
した角度調節装置を構成し、該角度調節装置にお
ける一方の腕片を、シートの座部の一端部と、前
記座部を支持するためのベース部材の一端部との
いずれか一方に固着するとともに、前記角度調節
装置における他方の腕片の先端部を、前記シート
の座部の一端部とベース部材の一端部との他方の
ものに連結し、かつシートの座部の他端部とベー
ス部材の他端部とを、起倒自在のリンクをもつて
互いに連結したことを特徴とするシートリフタ。 A first arm piece having a shaft hole bored in the center of the base and an internal gear concentric with the shaft hole on one side of the base, and an external gear having a slightly smaller number of teeth than the internal gear. a second arm piece provided with an external gear having teeth and meshing with the internal gear on one side of the base and having a receiving hole bored at the center position of the external gear; The intersecting angle of both arm pieces is controlled by an eccentric cam that is integrated with a shaft part that is pivotally fitted into the shaft hole of the first arm piece, and a cam shaft that is fitted into the receiving hole of the second arm piece so as to be relatively rotatable. An angle adjustment device is configured in which the angle adjustment device is adjustable by an eccentric differential gear mechanism, and one arm of the angle adjustment device is connected to one end of a seat portion of a seat and one end of a base member for supporting the seat portion. and the tip of the other arm of the angle adjusting device is connected to one end of the seat of the seat and one end of the base member, and A seat lifter characterized in that the other end of the seat and the other end of the base member are connected to each other by a link that can be raised and lowered.