Piston-cylinder unit with a protective sleeve

Details Piston-cylinder unit with a protective sleeve Piston-cylinder unit with a protective sleeve

2008-07-01

2008-07-01

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Mutually relatively movable cylinder or sleeve, member...

C188S322120

Reexamination Certificate

active

11359210

ABSTRACT:
A piston-cylinder unit includes a piston rod guided axially in a cylinder, a support disk fixed to the piston rod, a mounting element fixed to the support disk, and a protective sleeve which can be threaded over the mounting element. The protective sleeve has an end wall with an aperture profiled to receive the mounting element therethrough as the protective sleeve is fitted to the support disk, the protective sleeve being rotatable relative to the mounting element when fitted to the support disk, the mounting element having an axial support surface which can be positioned axially above the end wall to retain the protective sleeve.

REFERENCES:
patent: 4167991 (1979-09-01), Karklins et al.
patent: 2001/0018863 (2001-09-01), Heinz et al.
patent: 1 874 288 (1963-06-01), None
patent: 1 951 754 (1966-12-01), None
patent: 1 995 281 (1968-10-01), None
patent: 7 111 581 (1971-06-01), None
patent: 44 40 808 (1996-02-01), None
patent: 05-52388 (1993-07-01), None
patent: 2004-116711 (2004-04-01), None

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