Drill chuck arrangement

Details Drill chuck arrangement Drill chuck arrangement

1975-10-29

1978-04-11

Husar, Francis S.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 60, B23B 3112

Patent

active

040835715

ABSTRACT:
A drill chuck arrangement for connecting a drill bit to a spindle of a drilling machine comprises a spindle member threaded onto the spindle, and a jaw-actuating member mounted at least in part about the spindle member for concentric turning about the latter. A plurality of opposed clamping jaws are movable towards and away from each other in response to the aforementioned concentric turning. The spindle member has a radial bore which receives a portion of an actuating tool having beveled gear means. Upon turning the tool, the beveled gear meshes with a cooperating gear on the jaw-actuating member so as to turn the same relative to the spindle member, and thereby clamp or release a drill bit inserted in between the clamping jaws. A bushing is provided intermediate the spindle member and the jaw-actuating member to prevent binding between these members.

REFERENCES:
patent: 1620440 (1927-03-01), Cary
patent: 1776675 (1930-09-01), Bascom
patent: 3244428 (1966-04-01), Rohm
patent: 3599999 (1971-08-01), Schnizler et al.
patent: 3680877 (1972-08-01), Happe
patent: 3702705 (1972-11-01), Schadlich

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