Structure of motorized screw bolt driving tool

Details Structure of motorized screw bolt driving tool Structure of motorized screw bolt driving tool

1989-11-20

1990-08-14

Yost, Frank T.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

173 93, 192 11, B23Q 500, B60K 4120

Patent

active

049479393

ABSTRACT:
A motorized screw bolt driving tool includes a centrifugal element to drive a brake socket to disengage from a swivel element permitting a brake element to swing in a notch on the swivel element so that a spindle can be driven by a motor to rotate clockwise or counter-clockwise for turning a screw bolt or nut.

REFERENCES:
patent: 3354754 (1967-11-01), Amtsberg et al.
patent: 4842078 (1989-06-01), Hansson
patent: 4880064 (1989-11-01), Willoughby et al.

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