Patent
1979-11-30
1982-03-09
Lazarus, Ira S.
64 8, 64 17SP, F16D 330
Patent
active
043182828
ABSTRACT:
The transmission comprises two slidable tripod joints. In each joint, the tulip element is extended around the shaft of the tripod element by an abutment member which defines a concave part-spherical surface. A check member having a convex part-spherical surface fitting the concave surface is disposed around the shaft between the tripod element and the abutment member with a radial clearance which is at least equal to the amplitude of the orbital movement of the tripod element at the maximum angle of deviation of the joint. Each joint has a spring which is compressed between the inner end of its tulip element and the adjacent end of the shaft. In this way, the maximum extension of the transmission is distributed equally between the two joints and the shaft is constantly centered so that noise and wear of the check members is avoided. The invention is in particular applicable to transmissions for independent rear driving wheels of automobile vehicles.
REFERENCES:
patent: 1987678 (1935-01-01), Goddard et al.
patent: 2898749 (1959-08-01), Parkman
patent: 3757534 (1973-09-01), Orain
patent: 3818721 (1974-06-01), Wahlmark
patent: 3869878 (1975-03-01), Davies et al.
patent: 3877251 (1975-04-01), Wahlmark
patent: 3975922 (1976-08-01), Orain
patent: 4068499 (1978-01-01), Sharp
Glaenzer Spicer
Lazarus Ira S.
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