Machine element or mechanism – Gearing – Interchangeably locked
Patent
1992-12-04
1994-08-30
Braun, Leslie A.
Machine element or mechanism
Gearing
Interchangeably locked
192 35, F16H 308
Patent
active
053416988
ABSTRACT:
Disclosed herein is a full meshing gear type variable speed transmission using interlocked gear pairs of the driving and driven gears to transmit power from the mainshaft to the auxiliary axle housing. The mainshaft can only drive the first driving gear through the spiral springs to drive the rest of the other driving gears indirectly. Each spiral spring of the different gear is normally disengaged, when the rotational speed of the auxiliary axle housing is exceeding a set limit, the spiral spring will be engaged with its gears change shift by the automatic gravity type shifting assembly. Each driven gear will also transmit its own power thru the transmission mechanism. Each transmission mechanism allows the driven gear of the higher shift to rotate faster than the driven gear of the lower shift, thus the interlocked pair of gears will not disengage during shifting.
REFERENCES:
patent: 1762799 (1930-06-01), Starkey
patent: 1862054 (1931-10-01), Chryst
patent: 2881640 (1959-04-01), Chambers
patent: 4673073 (1987-06-01), Weatherby
patent: 4966574 (1990-10-01), Von Kaler
patent: 5000057 (1991-03-01), Tseng
Braun Leslie A.
Ta Khoi
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