Chuck assembly with a cooling mechanism

Details Chuck assembly with a cooling mechanism Chuck assembly with a cooling mechanism

2006-05-16

2006-05-16

Ashley, Boyer D. (Department: 3722)

Chucks or sockets

With fluid-pressure actuator

Socket type

C279S051000, C279S137000

Reexamination Certificate

active

07044477

ABSTRACT:
A chuck assembly includes a housing formed with a hydraulic fluid inlet, a sleeve mounted in the housing and formed with an annular groove, a shaft mounted rotatably in the sleeve and formed with a fluid passage, a chuck unit mounted in the shaft, a piston subdividing a chamber between the chuck unit and the shaft into first and second compartments, and a cooling mechanism having an air inlet formed in the housing, and an air channel formed in the sleeve and in fluid communication with the air inlet and the annular groove.

REFERENCES:
patent: 4032162 (1977-06-01), Flinchbaugh
patent: 4312513 (1982-01-01), Swenson
patent: 4791841 (1988-12-01), Pruvot et al.
patent: 6173971 (2001-01-01), Shen
patent: 6497417 (2002-12-01), Wu
patent: 172571 (1986-02-01), None
patent: 58056712 (1983-04-01), None

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