Continously variable transmission having an oscillating trunnion

Details Continously variable transmission having an oscillating trunnion Continously variable transmission having an oscillating trunnion

1998-11-04

2000-09-12

Fenstermacher, David M.

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

476 40, 476 45, F16H 1538

Patent

active

061170437

ABSTRACT:
In a continuously variable transmission yokes for supporting pivot shafts provided on the end portions of trunnions are supported for displacement only in the axial direction of the pivot shafts and oscillation in a predetermined direction, relative to a support post fixed to the inner surface of a casing. By this construction, the contact pressure between the peripheral surfaces of a pair of power rollers supported on a pair of trunnions supported by the yokes and the inner sides of input side and output side discs is made uniform.

REFERENCES:
patent: 3153938 (1964-10-01), De Brie Perry
patent: 3159042 (1964-12-01), Kraus
patent: 5111710 (1992-05-01), Perry
patent: 5820512 (1998-10-01), Nakano
patent: 5916057 (1999-06-01), Waltz et al.

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