Telescopically length variable steering column

Details Telescopically length variable steering column Telescopically length variable steering column

1991-11-27

1993-09-07

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

280753, 180300, 74493, B62D 119, F15B 1102, F15B 1514

Patent

active

052421953

ABSTRACT:
A steering column comprises a pressure tube and a piston rod extending inwards and outwards of said pressure tube. The outer end of the piston rod is connected with a steering wheel. The pressure tube at its end remote from said steering wheel is connected with a steering mechanism of a motor vehicle. The pressure tube is rotatably mounted in a bearing tube. The piston rod is axially movable but non-rotatable with respect to the pressure tube. A liquid chamber is confined within the pressure tube and has a variable volume dependent on the axial position of the piston rod with respect to the pressure tube. The liquid chamber is connectable through a pivotal connection selectively with a pressure liquid source or with a pressure liquid receiving space or can be separated from both of them. A spring acts on the piston rod and is in balance with the liquid in the fluid chamber.

REFERENCES:
patent: 2549345 (1951-04-01), Tamboli
patent: 2639626 (1953-05-01), Snyder
patent: 3570832 (1971-03-01), Ortheil
patent: 3737003 (1973-06-01), Beals et al.
patent: 4209074 (1980-06-01), York
patent: 4337967 (1982-06-01), Yoshida et al.
patent: 4392670 (1983-07-01), Schultz
patent: 4516440 (1985-05-01), Nishikawa
patent: 4785921 (1988-11-01), Hosan et al.
patent: 4993522 (1991-02-01), Wagner
patent: 5071163 (1991-12-01), Heinrichs et al.
patent: 5113716 (1992-05-01), Dumschat

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