Rotary drive for a belt tensioner

Details Rotary drive for a belt tensioner Rotary drive for a belt tensioner

2008-09-30

2008-09-30

Le, David D. (Department: 3681)

Planetary gear transmission systems or components

Planetary gearing or element

C475S014000, C475S017000, C297S474000, C297S475000, C242S374000

Reexamination Certificate

active

11411704

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.

REFERENCES:
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patent: 5681004 (1997-10-01), Specht
patent: 5906326 (1999-05-01), Specht
patent: 6427935 (2002-08-01), Fujii et al.
patent: 2535380 (1977-02-01), None
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patent: 4319273 (1994-12-01), None
patent: 0628454 (1994-12-01), None
patent: 2307844 (1997-06-01), None

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