Piston for a piston-cylinder unit

Details Piston for a piston-cylinder unit Piston for a piston-cylinder unit

1988-07-15

1989-10-31

Kashnikow, Andres

Brakes

Internal-resistance motion retarder

Valve structure or location

18832218, 267124, F16F 934, F16J 106

Patent

active

048771155

ABSTRACT:
A piston for a piston cylinder unit, particularly a gas spring, is to be provided with a piston ring and comprises a portion extending at least from the piston ring groove to a free end and consisting of a plurality of segments separated from one another by longitudinal slots. This portion is provided with a bore the diameter of which is at the free end smaller than the diameter of the related portion of the piston rod. It is the purpose of these measures to enable simple assembly of the piston ring in the piston ring groove and at the same time to ensure reliable seating of the piston ring.

REFERENCES:
patent: 1054345 (1913-02-01), Frank
patent: 1657478 (1928-01-01), Kraus
patent: 4078778 (1978-03-01), Hubweber
patent: 4307873 (1981-12-01), Moders
patent: 4356898 (1982-11-01), Guzder et al.

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