Wrench-to-bolt coupling assembly

Details Wrench-to-bolt coupling assembly Wrench-to-bolt coupling assembly

1998-04-08

1999-05-25

Eley, Timothy V.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81451, 81456, B25B 2300

Patent

active

059061472

ABSTRACT:
A coupling assembly couples a drive portion of a torque wrench to a bolt ing a head formed with spanner wrench holes in a top thereof and an annular groove therearound. A base engages the annular groove until it is in coaxial alignment with the bolt. Aligning holes in the base are alignable with at least two of the bolt's spanner wrench holes. Each of a plurality of pins sized for sliding engagement with the aligning holes and the spanner wrench holes are fixed in relation to one another by a yoke. The yoke further aligns the pins with the aligning holes. A collar nut engages the base to retain the yoke thereagainst thereby locking the assembly to the head of the bolt. The base is shaped to receive the drive portion of a torque wrench.

REFERENCES:
patent: 1007107 (1911-10-01), Hulsmann
patent: 4466314 (1984-08-01), Rich
patent: 4552042 (1985-11-01), Beymer
patent: 5193420 (1993-03-01), Smith
patent: 5272943 (1993-12-01), Edwards

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