Shift control device and straddle type vehicle

Details Shift control device and straddle type vehicle Shift control device and straddle type vehicle

2007-10-04

2010-10-26

Lewis, Tisha D (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S336001, C477S115000, C477S070000, C477S083000, C477S175000, C477S180000

Reexamination Certificate

active

07819037

ABSTRACT:
A shift control device is provided for reducing a shock generated at a clutch engagement moment in a gearshift operation in a straddle type vehicle having a shift control device that makes the clutch operation and the gearshift operation using the power of an actuator. The actuator is controlled based upon a rotational position and a speed of a shift shaft. When the rotational position of the shift shaft is located between a first position and a second position, the shift shaft is rotated at a speed slower than a rotational speed at which the shift shaft is rotated before reaching the first position to engage a gearshift clutch at a low speed. The first position and the second position are set in such a manner that the gearshift clutch is in a halfway engaged state when the shift shaft is located at a rotational position between the first position and the second position.

REFERENCES:
patent: 6073507 (2000-06-01), Ota et al.
patent: 6085607 (2000-07-01), Narita et al.
patent: 6117046 (2000-09-01), Ota et al.
patent: 6341680 (2002-01-01), Ota et al.
patent: 11-82709 (1996-03-01), None

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