Device for switching and locking moving points components

Details Device for switching and locking moving points components Device for switching and locking moving points components

2005-09-20

2005-09-20

Look, Edward K. (Department: 3745)

Expansible chamber devices

With inspection window in expansible chamber wall portion

With lock

C092S023000, C092S025000, C092S027000, C091S041000

Reexamination Certificate

active

06945156

ABSTRACT:
The invention relates to a device for displacing and locking movable switch parts (1), comprising a hydraulic piston, which is formed by a rod (6) and cooperates, via coupling or locking members (8), with an axially displaceable sleeve (5) intended to receive the radially displaceable coupling or locking members (8), The displaceable sleeve (5) is coupled with the movable switch parts (1) and an externally arranged tube (4), at least partly overlapping the sleeve (5) and the rod (6). A hydraulic duct (11) is connected to the externally arranged tube (4), on a front face of the sleeve (5), facing away from the coupling site for the movable switch parts (1).

REFERENCES:
patent: 4586425 (1986-05-01), Redman et al.
patent: 4647089 (1987-03-01), Zangrando
patent: 4703683 (1987-11-01), Sue
patent: 4742758 (1988-05-01), Della Rocca
patent: 4754694 (1988-07-01), Martin
patent: 4951552 (1990-08-01), Fox
patent: 5603536 (1997-02-01), Bauer et al.
patent: 6322276 (2001-11-01), Liu
patent: 403 463 (1998-02-01), None
patent: 0 592 755 (1994-04-01), None
patent: WO 98/54041 (1998-12-01), None

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