Wrench socket

Details Wrench socket Wrench socket

1987-08-17

1989-04-04

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811243, 811244, 8117785, B25B 1306

Patent

active

048174750

ABSTRACT:
The present invention provides a wrench socket that has a driven end for receiving a driving wrench in an internal or female drive opening, a driving end for engaging a threaded fastener to transmit a driving torque to the fastener and an intermediate external or male drive surface area which can be engaged by a second driving wrench. A removable retaining member is provided to assure that the second wrench is held on the socket, and a series of sockets may be provided which have various sized driving ends, but all have identical sized female drive openings and identical sized male drive surface areas so that only a single sized first wrench or a single sized second wrench need be used to drive a range of sizes of threaded fasteners. The driving end can be in any form, such as a castellated opening, a female hex-shaped opening or a male hex-shaped projection.

REFERENCES:
patent: 2094584 (1937-10-01), Cox
patent: 2991678 (1961-07-01), Adolphson
patent: 4328720 (1982-05-01), Shiel
patent: 4699029 (1987-10-01), Kelly et al.

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