Lever device for hydraulic operation

Details Lever device for hydraulic operation Lever device for hydraulic operation

2007-04-17

2007-04-17

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

Reexamination Certificate

active

11127283

ABSTRACT:
In a lever device for a hydraulic operation where hydraulic pressure is generated in a master cylinder by rotation of a lever, to make invariable an operation of a pushrod, which operates a piston of the master cylinder by being pushed at one end thereof by an adjuster of the lever, irrespectively of an adjustment of the adjuster. The lever is supported by a rotational shaft to be rotatable around the rotational shaft relative to the master cylinder, while a knocker member separate from the lever is supported to be coaxially rotatable. A knocker portion of the knocker member receives an end of the pushrod, which operates the piston. A positional relationship between the pushrod and the knocker portion is made invariable irrespectively of a change in a distance between the adjuster and the knocker portion by an adjustment of the adjuster.

REFERENCES:
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patent: 4635442 (1987-01-01), Bass
patent: 4779482 (1988-10-01), Kawaguchi
patent: 5050381 (1991-09-01), Matsuno et al.
patent: 6457378 (2002-10-01), Hatakoshi et al.
patent: 6739133 (2004-05-01), Barnett
patent: 6804961 (2004-10-01), Lumpkin
patent: 85 21 768.9 (1985-10-01), None
patent: 10-129567 (1998-05-01), None

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