Patent ID: 6253896
Filing Date: 2001-07-03
Classification: B27B,F16D

Abstract:
A centrifugal clutch of the kind comprising a hub mounted for rotation about a central axis of the clutch, a drum having a radially inner cylindrical surface coaxial with said central axis and surrounding said hub, and a plurality of shoes pivotally mounted on said hub for movement into frictional engagement with said body upon rotation of the hub at or above a predetermine speed, characterized in that each said shoe is formed from a single piece of sheet metal, in that each said shoe comprises an angle sectioned portion and an unflanged arcuate blade constituting and extension of a first flange of said angel sectioned portion, which blade is curved to enable a convex side of the blade to make area contact with said radially inner surface of said drum, and in that each said shoe is pivotally mounted on the hub for to an fro swing movement relative to the hub about a pivot axis, which is substantially parallel to said central axis and extends through said flange of said angle sectioned portion, between and engaged position wherein the blade contacts said drum as aforesaid and a disengaged position wherein said blade is clear of said drum.