Straddle-type vehicle

Details Straddle-type vehicle Straddle-type vehicle

2011-05-10

2011-05-10

Pang, Roger L (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S329000, C180S219000

Reexamination Certificate

active

07938036

ABSTRACT:
A motorcycle in which the clutch on-off operation and the gear-shift operation of the transmission are automated that can be driven when the actuator fails without complication of the structure and upsizing of the power unit. A crankcase of a power unit accommodates a transmission including a plurality of gears, a gear-shift clutch that is engaged or disengaged at gear-shift operation, and a shift shaft that engages or disengages the clutch and provides gear change of the transmission. Part of the shift shaft projects from the crankcase. A projecting portion of the shift shaft and an output shaft of an actuator are connected together on the outside of the crankcase with a connecting device. The connecting device is detachably connected to the projecting portion of the shift shaft or the output shaft of the actuator.

REFERENCES:
patent: 6085607 (2000-07-01), Narita et al.
patent: 6131682 (2000-10-01), Walker
patent: 6857334 (2005-02-01), Esly et al.
patent: 7575083 (2009-08-01), Kosugi et al.
patent: 2005/0217915 (2005-10-01), Kosugi et al.
patent: 2001-124203 (2001-05-01), None
patent: 2003-320861 (2003-11-01), None

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