Expansible chamber devices – Sealed opening in longitudinal wall of chamber for receiving...
Reexamination Certificate
2005-06-28
2005-06-28
Look, Edward K. (Department: 3745)
Expansible chamber devices
Sealed opening in longitudinal wall of chamber for receiving...
Reexamination Certificate
active
06910408
ABSTRACT:
A piston rod-less linear drive (1) has a housing (2) with a longitudinal slot (5) having a moving force coupling member extending through it. The outer slot opening (7) is provided with at least one covering band (33), which is fixed at an attachment section (34) on a longitudinal side (37) of the outer slot opening (7). The covering band ( )33) furthermore has a pivoting covering section (35), which is provided with detent means (46), which render possible a releasable detent function in a covering position covering the outer slot opening. Actuating means kinematically coupled with the force coupling member may act on the covering band in order to cause the detent locking action.
REFERENCES:
patent: 4555980 (1985-12-01), Hoglund
patent: 4852465 (1989-08-01), Rosengren
patent: RE34049 (1992-09-01), Taki et al.
patent: 5778758 (1998-07-01), Barth et al.
patent: 35 09 891 (1986-09-01), None
patent: 94 10 393 (1994-09-01), None
patent: 0 690 237 (1999-06-01), None
patent: 0 969 213 (2000-01-01), None
Krafft Gerhard
Wagner Thomas
Weberruss Rolf
Festo AG & Co.
Hanan Devin
Hoffmann & Baron , LLP
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