Power booster unit

Details Power booster unit Power booster unit

1981-06-19

1984-04-17

Maslousky, Paul E.

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

92178, 92193, F16J 102

Patent

active

044427590

ABSTRACT:
The piston and cylinder of a hydraulic power booster are provided with opposed longitudinal grooves effecting a pocket for a series of rollers axially aligned and on an axis parallel to that of the piston-cylinder axis. A leaf spring in the piston groove maintains a radial bias on the rollers towards the cylinder groove. The rollers effect a sliding guide or key between the piston and cylinder to prevent rotation or twisting of the piston in the cylinder.

REFERENCES:
patent: 2001544 (1935-05-01), Phillips
patent: 2064756 (1936-12-01), Janeko
patent: 2619914 (1952-12-01), Dobkin
patent: 3121345 (1964-02-01), Zeigler et al.
patent: 3313215 (1967-04-01), Bieri
patent: 3366017 (1968-01-01), Firth et al.
patent: 3824905 (1974-07-01), Jablonsky

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