Compound chain drive guide

Details Compound chain drive guide Compound chain drive guide

2011-05-17

2011-05-17

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster or shifter driven by electrical or fluid motor

C474S111000, C474S140000

Reexamination Certificate

active

07942770

ABSTRACT:
A tensioner assembly for a drive system, including a chain, of an internal combustion engine, includes a housing that is fixedly secured to the internal combustion engine. A piston is disposed within the housing. The piston is moveable between retracted and extended positions. The piston generates a force. A pivoting guide operatively extends between the chain of the drive system and the piston. The pivoting guide applies a first portion of the force against the chain. A lever is operatively connected to the piston between the piston and the pivoting guide. The lever translates the force from the piston to the pivoting guide. The tensioner assembly also includes a cam member that is pivotally coupled to the housing and is slidingly engaged with the pivoting guide. The cam member abuts the lever such that movement of the lever by the piston pivots the cam member in a manner that applies a second portion of the force against the pivoting guide in a varying magnitude.

REFERENCES:
patent: 2051488 (1936-08-01), Dreyer et al.
patent: 3142193 (1964-07-01), Polko et al.
patent: 4094205 (1978-06-01), Cook
patent: 4674996 (1987-06-01), Anno et al.
patent: 4792322 (1988-12-01), Goppelt et al.
patent: 5030169 (1991-07-01), Kiso et al.
patent: 5207620 (1993-05-01), Yamamoto et al.
patent: 5702315 (1997-12-01), Sakai et al.
patent: 5908363 (1999-06-01), Suzuki
patent: 5931754 (1999-08-01), Stief et al.
patent: 6431133 (2002-08-01), Brandl et al.
patent: 2002/0022541 (2002-02-01), Ullein et al.
patent: 2002/0039942 (2002-04-01), Liu et al.
patent: 2002/0065159 (2002-05-01), Markley
patent: 2002/0160868 (2002-10-01), Wigsten et al.
patent: 2 246 200 (1999-04-01), None
patent: 08004850 (1996-01-01), None
patent: 02073066 (2002-09-01), None
Pictorial Handbook of Mechanical Devices; Grafstein et al., 1971; pp. 42,43; Figs. a-d.
International Search Report & Written Opinion for PCT/CA2005/001229 Dated Dec. 21, 2005.

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