Machine element or mechanism – Gearing – Interchangeably locked
Patent
1977-06-17
1979-11-13
Chandler, Lance W.
Machine element or mechanism
Gearing
Interchangeably locked
74346, 74826, 74825, 74813C, 74815, F16H 308, F16H 322, B23Q 1700, B23B 2924
Patent
active
041739051
ABSTRACT:
A change-speed gearbox has coaxial input and output shafts. Five intermediate shafts are equi-spaced around the input shaft and each has two gears fixed thereto, one of which meshes with a common gear on the input shaft, the intermediate shafts being movable axially.
Five gears of different diameters are fixed to the output shaft around which five secondary shafts are carried by a rotatable cage. The five secondary shafts each have two gears fixed thereto, one of which meshes with a different one of the gears on the output shaft.
Any one of a possible twenty five gear ratios between the input and output shafts may be obtained by rotating the cage until a selected one of the secondary shafts is in the same radial plane as a selected one of the intermediate shafts, that intermediate shaft then being moved axially to bring the second gear thereon into mesh with the second gear on the selected secondary shaft.
REFERENCES:
patent: 2520352 (1950-08-01), Wuetig
patent: 3071982 (1963-01-01), Beer
patent: 3264903 (1966-08-01), Bonnafe
patent: 3367200 (1968-02-01), Cummings
patent: 3505903 (1970-04-01), Grass
patent: 3572175 (1971-03-01), Deprez
patent: 3653282 (1972-04-01), Bouffiou et al.
Byrt Graham A. B.
Riddler Douglas E.
Chandler Lance W.
Masson Scott Thrissell Engineering Ltd.
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