Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wilfried Bieg0
Gerhard Malbrich0
Thomas Moedinger0
Date of Patent
September 30, 2008
Patent Application Number
11411704
Date Filed
April 26, 2006
Patent Primary Examiner
Patent abstract
A rotary drive for a belt tensioner includes a housing, a pinion rotatably mounted therein, and at least one driving gear coupled to the pinion, the driving gear being mounted in the housing and being adapted to be driven by pressurized gas introduced into a pressure chamber. Formed in the driving gear is a cavity having a substantially radially extending wall which, in the installed state, is opposite to a protrusion which projects into the cavity and is rigidly connected to the housing, the wall of the cavity and the protrusion forming part of a wall of the pressure chamber.
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