Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent
1975-04-25
1976-05-11
Smith, Al Lawrence
Tools
Wrench, screwdriver, or driver therefor
Slidable jaw adjustments
81186, B25B 1316
Patent
active
039554503
ABSTRACT:
An adjustable wrench for torqueing and ratcheting a symmetrical convex polygon member, such as a square, hexagon, or octagon, the wrench having a body with a fixed jaw and a movable jaw, one of the jaws having a torqueing are defined by intersecting torqueing surfaces which engage the planar surfaces on the member to be rotated and having also, outwardly from such torqueing surfaces, a first and second ratcheting surface for engaging adjacent surfaces on the member to be rotated, the outermost ratcheting surface being of a length less than 1/2 the length of the one side of the member to be ratcheted, and the other jaw having a member engaging area including torqueing surface corresponding to the torqueing surfaces of the first mentioned jaw and having a planar outer ratcheting surface which is parallel with the outermost ratcheting surface of the other jaw, such that the spacing between the jaws may be adjusted so that the member may be engaged between the torqueing surfaces of the two jaws for applying torque to the member and may be engaged in a ratcheting relationship by the ratcheting surfaces on the outer end of the jaws so that by repeated reciprocal motion of the wrench body, the member may be ratcheted without removing contact of the wrench from the member.
REFERENCES:
patent: 3757614 (1973-09-01), Evans et al.
patent: 3850057 (1974-11-01), Evans
patent: 3881377 (1975-05-01), Evans et al.
Head James R.
Johnson Paul H.
Smith Al Lawrence
Smith James G.
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