Patent ID: 9687968
Date: 2017-06-27
CPC Classifications: B25B

Claim:
1. An anti-slip wrench-type tool comprising: a wrench-type torque-tool body; the torque-tool body comprising a plurality of internal sidewalls and a plurality of engagement teeth; the plurality of internal sidewalls being radially distributed about a pivot axis of the wrench-type torque-tool body; each of the plurality of engagement teeth being adjacently connected to a corresponding sidewall from the plurality of internal sidewalls; a prismatic altitude for each of the plurality of engagement teeth being aligned parallel to the pivot axis; each of the plurality of engagement teeth being oriented towards the pivot axis; a cross section for each of the plurality of engagement teeth being a quadrilateral shape; a first base line of the quadrilateral shape being positioned coincident with the corresponding sidewall; a second base line of the quadrilateral shape being positioned parallel and offset to the first base line; the quadrilateral shape tapering from the second base line towards the first base line; a first leg line of the quadrilateral shape being at a first acute angle with the corresponding sidewall; a second leg line of the quadrilateral shape being at a second acute angle with the corresponding sidewall; the first leg line and the second leg line being oriented towards each other; the plurality of internal sidewalls comprising an arbitrary sidewall and an adjacent sidewall; the arbitrary sidewall being adjacently adjoining to the adjacent sidewall by a curved corner; and a length of the corresponding sidewall and a length of the second base line being at a ratio of 3:1 with each other.