Transmission and vehicle provided therewith
PROVIDED IS A TRANSMISSION, INCLUDING: AN INPUT SHAFT (7), WHICH ROTATES SYNCHRONOUSLY WITH A CRANKSHAFT (4); AN OUTPUT SHAFT (8), WHICH ROTATES SYNCHRONOUSLY WITH A DRIVING WHEEL; A SHIFT DRUM (9) OF A ROTARY TYPE, WHICH ENGAGES WITH A SHIFT FORK FOR DRIVING AT LEAST ONE SLIDE GEAR; AND A ROTARY ST...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROVIDED IS A TRANSMISSION, INCLUDING: AN INPUT SHAFT (7), WHICH ROTATES SYNCHRONOUSLY WITH A CRANKSHAFT (4); AN OUTPUT SHAFT (8), WHICH ROTATES SYNCHRONOUSLY WITH A DRIVING WHEEL; A SHIFT DRUM (9) OF A ROTARY TYPE, WHICH ENGAGES WITH A SHIFT FORK FOR DRIVING AT LEAST ONE SLIDE GEAR; AND A ROTARY STOPPER MECHANISM INCLUDING: A FRICTION SPRING (10) FRICTIONALLY ENGAGED IN A CIRCUMFERENTIAL RECESSED GROOVE (26) FORMED IN AN OUTER PERIPHERY OF THE OUTPUT SHAFT (8); A ROCKER ARM (11) BIASED BY THE FRICTION SPRING (10) TOWARD THE SHIFT DRUM (9) IN ACCORDANCE WITH ROTATION OF THE OUTPUT SHAFT (8); AND AN ENGAGEMENT RECESSED PORTION (28) FORMED IN AN OUTER PERIPHERY OF THE SHIFT DRUM (9), FOR RESTRICTING ROTATION OF THE SHIFT DRUM (9) THROUGH ENGAGEMENT WITH THE ROCKER ARM (11). ACCORDINGLY, COST IS REDUCED AS COMPARED TO A CONVENTIONAL TRANSMISSION, AND HEAT GENERATION OF THE FRICTION SPRING IS SUPPRESSED. (FIG. 3) |
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