B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/23
B25B 23/153 (2006.01) B25B 23/14 (2006.01) F16B 31/02 (2006.01)
Patent
CA 2036218
ABSTRACT A tool for the application of selected torque to the polygonal head of a bolt, to a nit or to an analogous component has a first portion which is a snug fit on the polygonal part of the component, and a polygonal second portion which can be engaged and rotated by a wrench. The material of the tool is more readily deformable than the material of the component and the material of the wrench so that the wrench deforms the second portion and/or the component deforms the first portion of the tool when the component offers a selected resistance to further rotation, i.e., in response to the application of a selected torque to the component. The first portion can be bonded or molded to the torque- receiving part of the component to be rotated, and the second portion can be coated with a film of a color different from that of the second portion to facilitate visual determination of the condition of the second portion. The tool can be provided with a third portion which can be used for the application of a different torque, or the second portion can be deformed in two or more stages to permit the application of torque in several stages or to permit the application of one of two or more different torques. - 1 -
Sauer Heinz
Spindelbock Dieter
Fetherstonhaugh & Co.
Rasmussen G.m.b.h.
Sauer Heinz
Spindelbock Dieter
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