192 clutches and power-stop control – Clutches – Operators
Patent
1995-05-01
1997-02-18
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
1921134, F16D 1310, F16D 4318
Patent
active
056033974
ABSTRACT:
A centrifugal clutch apparatus for use with small motorized carts (or karts) that are powered with an internal combustion engine having a horizontal drive shaft includes a clutch hub having a central sleeve with a bore for mounting the sleeve on the drive shaft of an internal combustion engine. A backing plate extends radially and circumferentially from the sleeve. Wear pads are mounted on the backing plate at the periphery thereof on radial struts of the backing plate. The backing plate of the wear pads are positioned to travel radially when subjected to sufficient centrifugal force. Springs normally retain the backing plate of the wear pads in an inner starting, non-engaging position. Springs extend between a circular "floating" ring that is spaced about the clutch hub sleeve. The floating ring provides openings for attaching springs thereto. Hangers on the backing plate to the wear pads provide an attachment for an opposing end of each of the springs. As many as three or more springs can for example be positioned between a particular pad and the floating ring. The ring provides a floating construction that discourages heat transfer between the clutch housing and critical parts of the clutch, namely the springs which can and anneal at high temperatures of about 250.degree. for example.
REFERENCES:
patent: 1196363 (1916-08-01), Hunter et al.
patent: 1686226 (1928-10-01), Conkling
patent: 2068579 (1937-01-01), Tatter
patent: 2375909 (1945-05-01), Fawick
patent: 2455086 (1948-11-01), Papas
patent: 3680674 (1972-08-01), Horstman
National Kart News, vol. 9, No. 2, Feb., 1995.
Kart Marketing International, Jan., 1995, pp. 17, 18, and 19 and the backcover.
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