Steplessly adjustable rotary transmission

Details Steplessly adjustable rotary transmission Steplessly adjustable rotary transmission

1992-08-24

1994-02-22

Bonck, Rodney H.

Planetary gear transmission systems or components

Planet pinion is friction gear

Variable speed ratio

476 47, 476 50, F16H 1554, F16H 1548, B62M 1114

Patent

active

052882802

ABSTRACT:
A transmission comprises a rotary input member, a rotary output member and a housing. Disposed in the housing is at least one rolling member such as a ball for transmitting a rotary movement between the rotary input and output member. The rolling member is arranged between at least first and second substantially circular tracks forming a gap that decreases in the peripheral direction. The rolling member is held in contact at a drive rolling radius with the one track and at a driven rolling radius with the other track, in the decreasing gap, by a positive-action guide.

REFERENCES:
patent: Re18175 (1931-09-01), Erban
patent: 313831 (1885-03-01), Metzger et al.
patent: 357378 (1887-02-01), Fisher et al.
patent: 1989112 (1935-01-01), Ragan
patent: 2595439 (1952-05-01), Arato
patent: 2815670 (1957-12-01), Jorgensen
patent: 3258981 (1966-07-01), General
patent: 3293947 (1966-12-01), Chery
patent: 3587350 (1971-06-01), Wanlass
patent: 3596467 (1971-08-01), Avery
patent: 3628388 (1971-12-01), Bouthors et al.
patent: 5027023 (1991-06-01), Koivikko

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