Adjustable wrench for torqueing and ratcheting a symmetrical polygon member
CA 1051231 A · Owner: Evans, James P. · Inventors: Evans, James P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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, area defined by intersecting torqueing surfaces which engage the planar surfaces on the member to be rotated and having also outwardly from such torque-, ing 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 surfaces corresponding …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.