Self ejecting drill chuck key

Details Self ejecting drill chuck key Self ejecting drill chuck key

1976-10-12

1978-04-25

Meister, J. M.

Chucks or sockets

With fluid-pressure actuator

Socket type

81 90A, B25B 1344

Patent

active

040859436

ABSTRACT:
A self-ejecting key device for drill chucks has a main body with a handle, a key element and a forward guide pin with a groove along one side for retaining a slidable ejector member. The groove is aligned with a bore that extends through the key element and main body. Retained within the bore is a coiled spring which is secured to a slidable ejector pin in the groove that projects outwardly from the side of the guide pin.

REFERENCES:
patent: 2609719 (1952-09-01), Lilley
patent: 2660081 (1953-11-01), Dossie

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