Chuck jaw operating and closing device

Details Chuck jaw operating and closing device Chuck jaw operating and closing device

1976-12-13

1978-06-20

Simpson, Othell M.

Chucks or sockets

With fluid-pressure actuator

Socket type

81 34, B25B 1344, B25G 102

Patent

active

040958116

ABSTRACT:
This invention is concerned with drills that are driven by electrical motors upon which there is movable chuck jaws for changing the size of the drill bit. The invention comprises of two parts, a drive sleeve, and a studded anchor ring. By means of the studded anchor ring, the operator is able to hold the spindle of the drill motionless so that it will not rotate, while by means of the drive sleeve, the outer cylinder of the chuck can be turned, thus locking or unlocking the jaws of the chuck to remove or insert the desired drill bit. The drive sleeve consists of a medium hard resilient type member, preferably made of rubber in the shape of a cylinder. The anchor ring cmprises a material also of a medium hard rubber or the like with three studs molded at intervals of 120 degrees apart on the inner surface. The studs engage the pivot hole in the spindle and prevent it from turning while the drive sleeve operates the opening and closing of the jaws of the chuck.

REFERENCES:
patent: 2189068 (1940-02-01), Hubbell
patent: 2458626 (1949-01-01), Noripe
patent: 2631482 (1953-03-01), Rinehart
patent: 2823133 (1958-03-01), Silverman

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