JPS6244896U

JPS6244896U -

Info

Publication number: JPS6244896U
Application number: JP1985134561U
Authority: JP
Priority date: 1985-09-03
Filing date: 1985-09-03
Publication date: 1987-03-18

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の１実施例を示し、第
１図は圧接部材をガイド部の対向面に圧接させる
前の状態を示す縦断側面図であり、第２図は圧接
部材をガイド部の対向面に圧接させてバツクレス
トを所定の高さ位置に保持した状態を示す縦断側
面図である。第３図は第１図の―線から見た
状態の断面図である。図中、１はフレーム、２はバツクレスト、３は
係合部材、３０はガイド部、３１は圧接部材、３
２は操作部材、３２０は固定部、３２１はシヤフ
ト部、３２２はワツシヤ部、３２３は操作部をそ
れぞれ示す。 1 to 3 show one embodiment of the present invention, FIG. 1 is a longitudinal sectional side view showing the state before the pressure contact member is brought into pressure contact with the opposing surface of the guide part, and FIG. 2 is a side view of the pressure contact member. FIG. 7 is a longitudinal sectional side view showing a state in which the backrest is held at a predetermined height position by being brought into pressure contact with the facing surface of the guide portion. FIG. 3 is a sectional view taken along the line --- in FIG. 1. In the figure, 1 is a frame, 2 is a backrest, 3 is an engaging member, 30 is a guide portion, 31 is a pressure contact member, 3
2 is an operating member, 320 is a fixed part, 321 is a shaft part, 322 is a washer part, and 323 is an operating part, respectively.

Claims

[Scope of Claim for Utility Model Registration] (1) A frame forming at least a part of the body of the driver's seat of a vehicle, a backrest attached to the frame so as to be movable up and down, and a backrest interposed between the frame and the backrest. an engaging member fixed to either the frame or the backrest and having at least a pair of opposing surfaces extending in the vertical direction; and a guide part fixed to the other and having at least a pair of opposing surfaces. a pressing member that slides relative to the backrest and is movable toward the opposing surface; and an operating member that moves the pressing member toward the opposing surface and presses the backrest against the opposing surface to hold the backrest. A back crest position adjustment device for an industrial vehicle, comprising: (2) The pressing member is a bulging member that bulges toward the opposing surface of the guide portion, and the bulging portion of the bulging member is pressed against the opposing surface of the guide portion. The backrest position adjustment device for an industrial vehicle according to item 1. (3) The backrest position adjustment device for an industrial vehicle according to claim 1, wherein the pressure contact member is made of a highly elastic elastomer such as rubber. (4) The operating member includes a fixed part integrally fixed to the backrest, a shaft part whose one end is inserted through the fixed part, a washer part held at the other end of the shaft part, and a washer part held at the other end of the shaft part. The configuration includes an operating section that moves toward the washer section, and the pressing member is interposed between the washer section and the fixed section, and the operating section is operated to move the fixed section toward the fixed section. Registration of a utility model in which the pressing member is clamped by the washer portion and the fixing portion by moving to the washer portion side, causing the pressing member to bulge, and the bulging portion is pressed against the opposing surface of the guide portion. A backrest position adjustment device for an industrial vehicle according to claim 2. (5) A backrest position adjustment device for an industrial vehicle as set forth in claim 1 of the utility model registration claim for use in a reach lift truck.