Infinitely variable traction roller transmission

Details Infinitely variable traction roller transmission Infinitely variable traction roller transmission

1988-10-17

1990-10-23

Braun, Leslie A.

Machine element or mechanism

Mechanical movements

Grip units and features

74200, 74212, F16H 1310

Patent

active

049643126

ABSTRACT:
In a infinitely variable transmission wherein two toric traction discs are rotatably supported in a housing opposite one another so as to define therebetween a toric cavity in which at least two motion transmitting traction rollers are disposed in engagement with the toric discs and supported by pivot trunnions, each pivot trunnion is provided with a single support roller disposed on a track section and has an axial control end which is supported so as to be slightly movable in a plane normal to the axis of the toric discs and means are provided for controllably moving the trunnion control ends in unison for initiation of a transmission ratio change.

REFERENCES:
patent: 3486391 (1969-12-01), Kraus
patent: 4086820 (1978-05-01), Kraus et al.
patent: 4693134 (1987-09-01), Kraus
patent: 4702118 (1987-10-01), Kraus
patent: 4858484 (1989-08-01), Kraus
patent: 4885955 (1989-12-01), Kraus

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