Infinitely variable traction roller transmission

Details Infinitely variable traction roller transmission Infinitely variable traction roller transmission

1980-01-28

1981-06-30

Braun, Leslie

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74198, 74201, 74207, 74211, F16H 1508, F16H 1526, F16H 1310

Patent

active

042756103

ABSTRACT:
A rotary motion transmitting device having oppositely disposed toric discs mounted on its input and output shafts. Motion transmitting traction rollers are frictionally engaged between the toric discs for transmitting motion from one toric disc to the other and tension sheets extend between opposite rollers to balance forces exerted on the rollers. Pivotal roller supports are provided for controlling the transmission ratio and means are associated with said pivotal roller supports for forcing the traction rollers toward each other and into firm frictional engagement with the toric discs.

REFERENCES:
patent: 671662 (1901-04-01), White
patent: 2856784 (1958-10-01), Weisel
patent: 3142190 (1964-07-01), Kelsey et al.
patent: 3440895 (1969-04-01), Fellows
patent: 3455177 (1969-07-01), Schofield
patent: 3486391 (1969-12-01), Kraus
patent: 3570317 (1971-03-01), Kraus
patent: 3788713 (1974-01-01), Kraus
patent: 3810398 (1974-05-01), Kraus
patent: 3820408 (1974-06-01), Louis
patent: 4061045 (1977-12-01), Kopp
patent: 4086820 (1978-05-01), Kraus et al.
patent: 4126052 (1978-11-01), Jackman

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