192 clutches and power-stop control – Clutches – Operators
Patent
1985-07-24
1987-03-31
Krizmanich, George H.
192 clutches and power-stop control
Clutches
Operators
192110B, F16D 1900
Patent
active
046536264
ABSTRACT:
A self-centering releaser for a pressed-type motor vehicle friction clutch comprises a sliding sleeve (1) of synthetic plastics material with an integrally formed-on annular flange (3) protruding outwards radially of the sleeve axis and having a flat abutment face (31) on at least one axial side. The releaser further comprises a deep-groove ball bearing (5) radially movably enclosing the sliding sleeve (1) on the side of the abutment face (31), which bearing is fixed on the annular flange (3) by a retaining fitting (7) which radially externally grasps over the ball bearing (5). A spring (29) acting between the retaining fitting (7) and a non-rotating outer race ring (9) of the ball bearing (5) presses the outer race ring (9) through an annular disc (35) against the abutment face (31). The annular disc (35) consists of metal and has an external diameter which is approximately equal to the external diameter of the outer race ring (9) and an internal diameter which is smaller than the internal diameter of the outer race ring (9). The annular disc (35) is held with a collar (37) on the outer race ring (9) and with a collar (39) seals off towards a rotating inner race ring (11) of the ball bearing (5). The annular disc (35) reduces the pressure per unit area on the annular flange (3) and stiffens the annular flange (3). The releaser is distinguished by longer life and a simplified sealing of its ball bearing (5).
REFERENCES:
patent: 4327951 (1982-05-01), Arrowsmith et al.
patent: 4466527 (1984-08-01), Billet
patent: 4467904 (1984-08-01), Renaud
patent: 4566578 (1986-01-01), Leigh-Monstevens et al.
Fichtel & Sachs AG
Krizmanich George H.
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