Brake for welding machine

Details Brake for welding machine Brake for welding machine

1988-08-11

1989-12-05

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191377, 21913731, 2191372, 242 754, 242 99, B23K 900, B23K 928, B23K 910, B23K 912

Patent

active

048854530

ABSTRACT:
Disclosed is a braking system for a spool of coiled wire used in a welding machine. The braking system includes a spindle mounted to the machine to rotate freely. The spindle has a braking surface and it has mounted to it an annular brake member having teeth around its circumference and a braking surface which engages the braking surface on the spindle. The two braking surfaces frictionally coupled the spindle and brake member together so they rotate as a unit. The braking surfaces slide relative to each other through a predetermined rotational distance when the rotation of the brake member is stopped abruptly. A solenoid actuated pawl engages one of the teeth of the brake member to stop this member, allowing the spindle to rotate through a limited rotational distance of, for example, a maximium of about twenty degrees of rotation.

REFERENCES:
patent: 3143633 (1964-08-01), Wadleigh
patent: 3395308 (1968-07-01), Meyer
patent: 4072828 (1978-02-01), Thome

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