Ratchet wrench with a direction control ratchet member

Details Ratchet wrench with a direction control ratchet member Ratchet wrench with a direction control ratchet member

1998-08-04

1999-10-12

Eley, Timothy V.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 58, 81 60, B25B 1346

Patent

active

059641290

ABSTRACT:
A ratchet wrench includes a handle which has a circular opening in a box end thereof to receive a circular adapter. A grip portion extends from the box end and has an opening that is defined by an upper wall thereof and that extends towards a lower wall to form a proximate abutting wall. A receiving chamber extends in a radial direction relative to a rotating axis of the circular opening between the proximate abutting wall and the circular opening. The adapter is rotatable about the rotating axis, and has an outer rim wall with a toothed surface. A ratchet member is disposed rotatably in the receiving chamber, and has at least one ratchet tooth at one end to be brought into engagement with the toothed surface by the biasing action of a biasing member. When the ratchet member is turned 180 degrees about the radial direction while it is pulled to disengage the ratchet tooth from the toothed surface, the direction of driven rotation of the adapter can be reversed.

REFERENCES:
patent: 1119292 (1914-12-01), Lawson
patent: 1214423 (1917-01-01), Casper

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