Wire pinch mark detector for use in method and apparatus for sem

Details Wire pinch mark detector for use in method and apparatus for sem Wire pinch mark detector for use in method and apparatus for sem

1978-08-14

1980-02-12

Larson, Lowell A.

Wireworking

Article making or forming

Forms and frames

29715, 29753, 340677, B21F 2300

Patent

active

041878892

ABSTRACT:
A method and apparatus for identifying and detecting the end of a wire segment in a computer controlled harness maker in which the wire is crimped twice in close proximity 90 degrees apart thereby forcing the wire next to the crimp to enlarge in size. The crimped wire is then pulled between two surfaces of the pinch mark detector which are spring loaded and rides at the nominal wire diameter until the crimp passes through the pinch mark detector depressing a plunger to activate a metal sensitive proximity switch providing an output signal representative of a pinch mark detect condition.

REFERENCES:
patent: 2685626 (1954-08-01), Zwack
patent: 2735945 (1956-02-01), Colton et al.
patent: 3557615 (1971-01-01), Seymour, Jr. et al.
patent: 3739276 (1973-06-01), Dornberger
patent: 3804130 (1974-04-01), Tarbox et al.
patent: 3827296 (1974-08-01), Hidaka

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