Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1997-09-22
2000-09-05
Eley, Timothy V.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
811771, B25B 2316
Patent
active
06112625&
ABSTRACT:
A wrench apparatus includes a wrench head with a swivel adapter, a combination handle and extension bar attachable to the swivel adapter, and a ratchet head. The wrench head includes a tubular member with a longitudinal slot, and an internal C-shaped brace dividing the tubular member into two sockets at opposite ends thereof. One socket includes six sides and five points, and the other socket includes twenty sides and ten points, so that both sockets can securely grip all six sides of a nut or bolt. The points of one socket are offset radially relative to the points of the other socket for providing smaller increments in repositioning freedom. The swivel adapter is pivotally attached between a pair of ears on the wrench head by a removable pin, so that it can be removed and attached between a like pair of ears on the ratchet head. The extension bar includes a female end with a faceted outer surface that prevents it from rolling on a slanted surface, and also enables the extension bar to be gripped and turned by a conventional wrench. In an alternative embodiment, the sockets include fully closed sides, and are divided by an annular brace therebetween.
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patent: 5438894 (1995-08-01), Pearce
patent: 5568757 (1996-10-01), Lewis
patent: 5626062 (1997-05-01), Colvin
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