Hydraulic brake lever assembly

Details Hydraulic brake lever assembly Hydraulic brake lever assembly

2011-06-21

2011-06-21

Lazo, Thomas E (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S547100, C188S344000

Reexamination Certificate

active

07963114

ABSTRACT:
A hydraulic brake lever assembly includes a master cylinder, a master piston, and a floating piston. Both of the master piston and the floating piston are sealingly and movably received in the master cylinder. The master piston has a passage diametrically defined therein and extending therethrough for receiving a bias mechanism. The floating piston has a through hole for coaxially and sealingly receiving the master piston. The floating piston has two raceways radially and symmetrically extending from the through hole therein. The bias mechanism is movably disposed between the two raceways. Each raceway has a trough defined in a bottom thereof. The bias mechanism moves along the troughs and the raceways to provide the effort of multi-stage movement and different braking feel.

REFERENCES:
patent: 7380646 (2008-06-01), Takachi
patent: 7389642 (2008-06-01), Takizawa et al.

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