The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2019
Filed:
Mar. 08, 2017
Applicant:
Evoguard Gmbh, Nittenau, DE;
Inventor:
Johann Justl, Sinzing, DE;
Assignee:
Evoguard GmbH, Nittenau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/528 (2006.01); F16K 31/16 (2006.01); F16K 31/122 (2006.01); F16K 1/22 (2006.01); F15B 15/06 (2006.01); B67D 1/00 (2006.01); F16K 31/163 (2006.01);
U.S. Cl.
CPC ...
F16K 31/5282 (2013.01); B67D 1/00 (2013.01); F15B 15/068 (2013.01); F16K 1/221 (2013.01); F16K 31/1221 (2013.01); F16K 31/1635 (2013.01); B67D 2001/0093 (2013.01);
Abstract
In a rotary actuator comprising a housing containing a piston and having a cover and a base, thread-like guide grooves in the piston, a shaft having a transverse axis and being rotatable about an axis of the rotary actuator which transverse axis engages into the guide grooves, and torque support engaging into guides in the piston, which torque supports are anchored in the housing, wherein the transverse axis on both ends comprises bushes contacting raceways of the guide grooves, each bush is cambered and each raceway is configured with an undercut corresponding to the cambering.