Locking unit

Details Locking unit Locking unit

2003-10-08

2008-08-12

Burch, Melody M (Department: 3683)

Brakes

Internal-resistance motion retarder

With means for locking parts together temporarily

C188S031000, C303S089000, C092S030000

Reexamination Certificate

active

07410038

ABSTRACT:
A locking unit for the locking of the movement of a piston. An electromagnet is provided the armature, respectively the armature bar, of which acts on an operating element. The operating element co-operates with a catching element in such a way that the catching element blocks in a locking position the movement of the piston, respectively the catching element unlocks in an unlocking position the movement of the piston. Catching element and operating element co-operate surface-to-surface.

REFERENCES:
patent: 1794424 (1931-03-01), Smith et al.
patent: 4873824 (1989-10-01), Cox
patent: 4987968 (1991-01-01), Martus et al.
patent: 5540138 (1996-07-01), Robbins, Jr.
patent: 6471027 (2002-10-01), Gierer et al.
patent: 6554373 (2003-04-01), Bill
patent: 2004/0011609 (2004-01-01), Schmid
patent: 2004/0037915 (2004-02-01), Dantlgraber
patent: 2164578 (1973-07-01), None
patent: 19820920 (1999-11-01), None
patent: 10121024 (2001-11-01), None
patent: 10105637 (2002-08-01), None
patent: 001408260 (2004-04-01), None
patent: WO02/10619 (2002-02-01), None
STIC provided translations for DE19820920 and DE2164578.

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