Drill chuck key

Details Drill chuck key Drill chuck key

1989-09-05

1991-03-05

Paumen, Gary F.

Chucks or sockets

With fluid-pressure actuator

Socket type

408241R, 81 16, B23B 3106

Patent

active

049971948

ABSTRACT:
A drill chuck key for use with a conventional Jacobs-type drill chuck includes a cylindrical shaft having a bevel gear secured adjacent one end. A knob has a central cylindrical boss receiving an opposite end of the shaft. A roll pin extends through aligned apertures in the boss and the shaft, securing the knob for rotation with the shaft. A circular ring is received with clearance on the shaft, between the bevel gear and the knob. The ring has a diameter less than the bevel gear and the cylindrical boss and greater than the shaft, such that the ring is captured on the shaft. A chain is connected to the ring for securing the drill chuck key to a selected mounting point. This arrangement allows rotation of the chuck key, without release of the securing chain.

REFERENCES:
patent: 361155 (1887-04-01), Deeter
patent: 2263277 (1941-11-01), Schumann
patent: 2388414 (1945-11-01), Jernigan
patent: 2592094 (1952-04-01), Willenbring
patent: 2807732 (1957-09-01), Kurtovich
patent: 2880008 (1959-03-01), Stoner
patent: 4133543 (1979-01-01), Johnson
patent: 4182005 (1980-01-01), Harrington
patent: 4467677 (1984-08-01), Grifford
patent: 4558495 (1985-12-01), Olsen
patent: 4615653 (1986-10-01), Watson
patent: 4718797 (1988-01-01), Purviance
patent: 4791837 (1988-12-01), Main

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