Constant force socket

Details Constant force socket Constant force socket

2006-04-25

2006-04-25

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

C081S475000, C081S058300

Reexamination Certificate

active

07032481

ABSTRACT:
A constant force socket is constructed to include a socket body, which has an inner hole at one end and a set of teeth radially disposed inside the inner hole, a ratchet wheel, which is mounted inside the inner hole of the socket body and has a tool hole at one side and a set of radially arranged teeth at an opposite side, a screw member threaded into the inner hole of the socket body, and a compression spring supported between the ratchet wheel and the screw member to force the teeth of the ratchet wheel into engagement with the teeth of the socket body.

REFERENCES:
patent: 145399 (1873-12-01), Colbert
patent: 1328087 (1920-01-01), Le Chot
patent: 1521331 (1924-12-01), Sedgley
patent: 3667250 (1972-06-01), Schnepel
patent: 3957096 (1976-05-01), Rodman
patent: 4346633 (1982-08-01), Rendl
patent: 4939961 (1990-07-01), Lee
patent: 4964319 (1990-10-01), Chang
patent: 5595095 (1997-01-01), Hillinger
patent: 5813298 (1998-09-01), Beattie
patent: 5850767 (1998-12-01), Newman
patent: 6158308 (2000-12-01), Huang
patent: 6349625 (2002-02-01), Poganski

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