Centrifugal clutch

Details Centrifugal clutch Centrifugal clutch

2005-02-22

2005-02-22

Bonck, Rodney H. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S113200

Reexamination Certificate

active

06857515

ABSTRACT:
A centrifugal clutch including a driver adapted to engage and be rotated by an input shaft, a drum adapted to engage a driven component, a plurality of shoes located between the driver and the drum, and a plurality of springs, each spring engaged with adjacent shoes for urging the shoes together. The shoes are radially movable between an outward position in which the shoes contact the drum and an inward position in which the shoes are spaced apart from the drum. Each shoe has an engagement surface which is arranged to contact the drum, and a support. One end of the support is attached to the engagement surface and the other end extends radially inward. A pair of spring attachment mounts are formed on the radially inward end of the support. Each spring is engaged with one spring attachment mount on a shoe.

REFERENCES:
patent: 2886154 (1959-05-01), Conlee
patent: 3026980 (1962-03-01), Hoff
patent: 3610382 (1971-10-01), Makinson
patent: 3971463 (1976-07-01), Zindler
patent: 4625849 (1986-12-01), Gommel
patent: 4819779 (1989-04-01), Nickel et al.
patent: 5680920 (1997-10-01), Jansson et al.
patent: 20020148701 (2002-10-01), Nickel
Max-Torque web-site materials, http://www.maxtorque.com, 15 pages total, including: Max-Torque homepage, http://maxtorque.com, 2 pages; Max-Torque clutches, http:/maxtorgue.com/html/clutches.html, 2 pages; “SS (Six Shoe) Clutch”, http:/maxtorgue.com/html/ss_clutch.html, 1 page; “Max-Torgue 4-Cycle Racing Clutches”, http://www.maxtorque.com/html/racing.html, 5 pages; and “Selection Manual,” http://www.maxtorque.com/lehane/html/selection.html, 5 pages. All undated but acknowledged as being earlier than the filing date of the instant application.
“Clutch Maintenance,” Max-Torque, 1 page, dated Aug. 1995.
“Centrifugal Clutches,” Comet Industries, http://www.tecumsehuk.co.uk/tec1/cometccf.htm, 2 pages, undated but acknowledged as being earlier than the filing date of the instant application.
“Centrifugal Clutches,” Noram web site materials, http://www.norman-clutch.com/clutches.htm, total 11 pages, including: “4000 Series,” http://www.norman-clutch.com/clutches4000series.htm, 2 pages; “We Series,” http://www.norman-clutch.com/clutchesweseries.htm, 2 pages; “Heavy Duty 1600 Series,” http://www.normal-clutch.com/clutches1600series.htm, 2 pages “Industrial 1800 Series,” http://www.norman-clutch.com/clutches1800series.htm, 2 pages; and “Heavy Duty 6000 Series,” http://www.notman-clutch.com/clutches6000series.htm, 2 pages.

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