Vehicular transmission

Details Vehicular transmission Vehicular transmission

2011-06-28

2011-06-28

Holmes, Justin (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S337500

Reexamination Certificate

active

07966902

ABSTRACT:
A vehicular transmission includes a shift drum center with a plurality of gear train establishment notches disposed, equally spaced apart from each other, on the outer periphery thereof. The gear train establishment notches establish a specific gear train selected from among a plurality of gear trains by selectively engaging a drum stopper arm therein. The shift drum center further includes half neutral notches to be engaged with the drum stopper arm. The half neutral notches are disposed on the outer periphery of the shift drum center and at a central portion between each pair of the gear train establishment notches, respectively. The resulting configuration effectively suppresses an engagement noise during changing of a gear position through a sliding motion of a shifter.

REFERENCES:
patent: 4491031 (1985-01-01), Ooka
patent: 7677124 (2010-03-01), Honma
patent: 7752936 (2010-07-01), Kobayashi et al.
patent: 7753187 (2010-07-01), Fujimoto et al.
patent: 59-106014 (1984-06-01), None

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