Barrel type sockets

Details Barrel type sockets Barrel type sockets

1990-08-10

1991-02-12

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81185, B25B 1346

Patent

active

049914685

ABSTRACT:
The present invention provides a socket comprising a barrel of uniformal polygonal cross section having an axial polygonal wrenching aperture at the center and a slant inward chamfer at the outer surface of each end of the barrel. The socket is detachably received by a driver wheel of a ratchet wrench, in which the driver wheel has a polygonal receiving hole corresponding to the polygonal barrel, and a pair of ring detents are mounted in the opposite openings of the receiving hole to elastically grip the socket at the chamfers respectively.

REFERENCES:
patent: 613153 (1898-10-01), Kennelly
patent: 1123612 (1915-01-01), Starks
patent: 4259883 (1981-04-01), Carlson
patent: 4308768 (1982-01-01), Wagner
patent: 4939961 (1990-07-01), Lee

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