B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/52
B25B 13/52 (2006.01)
Patent
CA 1092866
STRAP WRENCH Jonathan L. Laird, Jr. - Parkesburg, PA Abstract of the Disclosure A strap wrench has a handle having a strap element pivoted to the handle by a pair of links to permit passage of the free end of the strap portion between the links, whereby the strap may be wrapped in full circumscrib- ing relation to a workpiece. The handle has a camming surface positioned to confront the exposed surface of the strap when it is wrapped around the workpiece and to engage the same and without moving parts to anchor the strap at that point when said handle is actuated to-apply torque to the workpiece. The strap has a friction surface on the interior side confronting the workpiece and has a guide surface on the exposed side with lesser friction to permit the strap to slide over said camming surface prior to apply- ing torquing action upon said handle to afford snug engage- ment of the strap with the workpiece. Preferably, the handle is formed of a one-piece rigid plastic composition having a density which permits the wrench to float near the surface of a body of liquid.
312743
Borden Ladner Gervais Llp
Laird Jonathan L.
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