Ratchet wrench

Details Ratchet wrench Ratchet wrench

1989-01-11

1990-03-20

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 585, B25B 1346

Patent

active

049091069

ABSTRACT:
A ratchet wrench including an elongated handle having one end provided with a retainer, and a socket member attached to the handle's one end by means of a loop of high strength, flexible material such as carbon fibers, metal wire or the like, the loop extending around the retainer and socket member. Normally the socket member is freely rotatable and when the handle is manipulated for tightening or loosening a nut, the flexibility of the loop material permits relative movement between the handle and socket member to produce an interlocking of the handle's one end and the socket member for operation of the wrench, the interlocking action being produced with various arrangements such as engagement between peripheral teeth on the socket member and the edges of the handle's one end, a wedging action by a ball between the socket member and an arcuate depression in the retainer or simply elevating or depressing the handle to produce a frictional gripping engagement between the surfaces on the handle's one end and the socket member.

REFERENCES:
patent: 572857 (1896-12-01), Barnes
patent: 926653 (1909-06-01), Hampton
patent: 964100 (1910-07-01), Garpheide et al.
patent: 978395 (1910-12-01), Peters
patent: 1101022 (1914-06-01), Goodwin

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