192 clutches and power-stop control – Clutches – Operators
Patent
1978-11-02
1981-08-11
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
188205A, 192 30V, 192110B, F16D 4318
Patent
active
042829623
ABSTRACT:
An improved pivotal mounting assembly, preferably for use with a centrifugal clutch for pivotally mounting the clutch shoes, has a plastic insert which forms either a sector-like portion of a usual cylindrical-shaped, metallic pivot pin, or a portion of the clutch shoe which forms a pivot pin receiving opening. The plastic insert will have an outer convex surface when forming a part of a cylindrical pivot pin or will have a concave surface when forming a part of the clutch shoe. Preferably the convex and concave surfaces will have arcuate lengths of approximately 120.degree.. The plastic insert provides a low-friction pivotal bearing surface for the clutch shoe, which will absorb many of the forces and stresses exerted on the pivot assembly upon coupling engagement of the clutch shoes with a driven drum. The supporting metal areas of the pivot pin or clutch shoe adjacent the plastic strip provides the mechanical strength for the strip.
REFERENCES:
patent: 2375909 (1945-05-01), Fawick
patent: 2534426 (1950-12-01), Eason
patent: 2606947 (1952-08-01), Happe
patent: 2626034 (1953-01-01), Fawick
patent: 2829754 (1958-04-01), Norcross
patent: 2968829 (1961-01-01), Meddick
patent: 3622112 (1971-11-01), Stroh
patent: 4036540 (1977-07-01), Seufert
patent: 4192412 (1980-03-01), Stoner
Aspro, Inc.
Bonck Rodney H.
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