Chuck spindle device and power tools incorporating same

Details Chuck spindle device and power tools incorporating same Chuck spindle device and power tools incorporating same

1994-03-04

1995-09-12

Smith, Scott A.

Tool driving or impacting

Automatic control of power operated means

Drive means responsive to torque or speed condition

173 48, 173216, B25B 23159, B25D 1502

Patent

active

054490430

ABSTRACT:
A chuck spindle device (300) has the following basic components:--a body (310), a bearing (316) mounting a chuck spindle (302) and an end cap (312) through which the spindle projects for connection to a gearbox. An annular space is defined in the body to receive a hammer mechanism in the form of rotary ratchet (378), fixed ratchet (376) and cam ring (308) to press them together. The body has a slot to accept a control knob (360) of the cam ring. The body is threaded (317) to receive a clutch mechanism in the form of control ring (322) and multiple springs (330) pressing balls (334,336) against a torque control ring of the gear box.

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