Infinitely variable traction roller transmission

Details Infinitely variable traction roller transmission Infinitely variable traction roller transmission

1989-11-27

1990-12-04

Herrmann, Allan D.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74213, F16H 1538

Patent

active

049744666

ABSTRACT:
In an infinitely variable transmission wherein two toric traction discs are rotatably supported 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, means are provided for controllably pivoting the trunnions for a transmission ratio change, and cross-links are mounted to the end faces of the trunnions so as to permit pivotal motion of the trunnions only in unison and in an opposite sense, the cross-links have overlapping center sections with stop surfaces arranged to engage one another in the pivotal end positions of the trunnions for limiting their pivotal movement.

REFERENCES:
patent: 3030817 (1962-04-01), Tomaszek et al.
patent: 4086820 (1978-05-01), Kraus et al.
patent: 4830578 (1989-05-01), Kraus

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