Motorcycle clutch

Details Motorcycle clutch Motorcycle clutch

2011-06-07

2011-06-07

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

Operators

C192S085150, C192S085570, C192S085580

Reexamination Certificate

active

07954617

ABSTRACT:
A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and a disengaging mechanism operable by means of the clutch lever for a pressure body which is spring-loaded by at least one clutch spring assembly for pressurization of the inner and outer disks, wherein a servo mechanism for reducing the operating force of the clutch lever is provided, the servo mechanism being effectively connected to the intake section of the engine and utilizing the negative intake pressure in the intake section to build up a servo force acting against the direction of the spring load of the clutch spring assembly.

REFERENCES:
patent: 4858716 (1989-08-01), Kano et al.
patent: 5860892 (1999-01-01), Korenjak et al.
patent: 6604451 (2003-08-01), Yasuda
patent: 0 098 749 (1984-01-01), None
patent: 0 780 591 (1997-06-01), None
patent: 981 913 (1965-01-01), None
patent: 2 247 292 (1992-02-01), None

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