Fluid operated rotary drive

Details Fluid operated rotary drive Fluid operated rotary drive

2007-02-15

2010-06-22

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Predetermined discrete incremental adjustment positions

C092S121000

Reexamination Certificate

active

07739944

ABSTRACT:
A fluid operated rotary drive comprises a drive housing (2) and an output shaft (4) able to be caused to oscillate in relation to it and having a pivotal abutment arranged on it which cooperates with a counter abutment (34and35). The pivotal abutment is able to be positioned about the longitudinal axis (8) of the output shaft (4) in different abutment settings and is able to be clamped in a releasable manner respectively against a clamping face (56) on the housing by means of a clamping means (53). The counter abutment (34and35) has an anchoring structure comprising at least one anchoring projection and opposite to it there is an anchoring face extending at least for some distance about the longitudinal axis (8) of the drive shaft and prior to initial fitting of the at least one counter abutment (34and35) being smooth, the anchoring structure being able to bite into the anchoring face on clamping the counter abutment (34and35) with the formation of at least one recess structure (61) having an anchoring recess (65).

REFERENCES:
patent: 2793623 (1957-05-01), Ludwig et al.
patent: 3362300 (1968-01-01), Shafer
patent: 5622096 (1997-04-01), Granberg
patent: 5732613 (1998-03-01), Stoll et al.
patent: 2002/0152886 (2002-10-01), Sawdon
patent: 195 11 488 (1996-10-01), None
patent: 19511488 (1996-10-01), None
patent: 199 34 279 (2001-02-01), None
patent: 9-317710 (1997-12-01), None
patent: WO 99/14506 (1999-03-01), None

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