Multi-shaft electrically-operated automatic nut runner

Details Multi-shaft electrically-operated automatic nut runner Multi-shaft electrically-operated automatic nut runner

1992-09-28

1994-01-11

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5714, 81 5724, 81 5736, B25B 1700

Patent

active

052770850

ABSTRACT:
Stopper pins are arranged on a path of movement of respective reaction-force receiving cam plates and are urged by urging forces of compression coil springs in a direction in which the stopper pins project from circular holes. As a solenoid is energized, the stopper pins are accommodated into the circular holes. The solenoid is operated by means of a stopper switch, and the solenoid in an energized state allows each combination socket to be fitted over a corresponding wheel-mounting nut. With the combination sockets fitted over all of the wheel-mounting nuts, the operation of the stopper switch causes the stopper pins to move to a projected position to prevent rotation of the reaction-force receiving cam plates, so that high torque is imparted to transmission shafts, allowing four wheel-mounting nuts to be simultaneously tightened or loosened.

REFERENCES:
patent: 2574156 (1951-11-01), Pechacek
patent: 3134275 (1964-05-01), Davison
patent: 3180612 (1965-04-01), Spyridakis et al.
patent: 4183265 (1980-01-01), Pauley
patent: 4909105 (1990-03-01), Namiki et al.

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