Transmission with resiliently loaded mainshaft gears

Machine element or mechanism – Gearing – Interchangeably locked

Patent

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Details

192 4891, 192 53F, F16H 338, F16D 1300, F16D 2102

Patent

active

RE0312967

ABSTRACT:
A shiftable change speed gear system, particularly a transmission, having resilient shifting mechanisms for simplifying the transmission structure and the shifting thereof. The transmission is preferably provided with multiple countershafts having countershaft gears thereon disposed in meshing engagement with main shaft gears encircling the transmission main shaft, said main shaft gears being supported on and solely by the countershaft gears. The main shaft gears are axially movable relative to the main shaft by conventional means for effecting shifting of the transmission. The main shaft gears cooperate with clutch rings which surround and are supported on and for rotation with the main shaft, the clutch rings also being axially movable relative to the main shaft and being resiliently urgeable in a direction toward the respective main shaft gear with which same cooperates, whereby shifting of the main shaft gear toward its respective clutch ring causes resilient axial movement of the latter until synchronization is achieved to permit the clutch ring to move axially in response to said resilient urging and engage the main shaft gear. The transmission, in one modification thereof, is provided with a range section which also incorporates a shiftable main shaft gear therein, the main shaft of the transmission comprising a single shaft which extends continuously through both the main transmission section and the range section.

REFERENCES:
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patent: 3500695 (1970-03-01), Keiser
patent: 3645147 (1972-02-01), Fodrea
patent: 3745847 (1973-07-01), Worner et al.

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