Variable gear ratio/speed drive

Details Variable gear ratio/speed drive Variable gear ratio/speed drive

1986-02-24

1988-06-14

Wright, Dirk

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

74 63, 74116, 280259, F16H 2710, F16H 2900, F16H 2112

Patent

active

047503769

ABSTRACT:
A transmission in which gear segments are cammed to mesh with a circumferential gear and to transmit power from a centered shaft through arcs of power determined by the position of segments relative to the shaft. The segments automatically adjust the radii from shaft to segment in reaction to the torque transmitted from the shaft.

REFERENCES:
patent: 3081641 (1963-03-01), Iseman
patent: 3116650 (1964-01-01), Farley
patent: 3529480 (1970-09-01), Kaspareck
patent: 4129044 (1978-12-01), Erickson et al.
patent: 4159652 (1979-07-01), Trammell
patent: 4164153 (1979-08-01), Moritsch et al.
patent: 4277986 (1981-07-01), Waddineton
patent: 4399716 (1983-08-01), Karlsson
patent: 4449425 (1984-05-01), Carden
patent: 4494416 (1985-01-01), Evans

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