Spring coil holding device

Details Spring coil holding device Spring coil holding device

1974-10-21

1976-07-06

Simpson, Othell M.

Chucks or sockets

Socket type

Self-grasping

403229, B23B 3104

Patent

active

039678318

ABSTRACT:
A spring coil holding device utilizing an integral multi-stage spring coil placed in an actuating sleeve and a housing sleeve, said integral spring coil is actuated to enlarge to a proper caliber by means of said actuating sleeve and housing sleeve for releasing a rod-shaped object or is restored to its original condition by its own resilience for clamp-holding a rod-shaped object.

REFERENCES:
patent: 1552085 (1925-09-01), Shiek
patent: 2105330 (1938-01-01), Pagenkopf
patent: 2559895 (1951-07-01), Norlander
patent: 3158767 (1964-11-01), Schoning

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