CPC Subgroup
B25B 23/14 Arrangement of torque limiters or torque indicators in wrenches or screwdrivers (couplings for transmitting rotation or clutches F16D; devices for measuring torque per se G01L)
Full Title
Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02) > Arrangement of torque limiters or torque indicators in wrenches or screwdrivers (couplings for transmitting rotation or clutches F16D; devices for measuring torque per se G01L)
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- B25B 23/142 specially adapted for hand operated wrenches or screwdrivers
- B25B 23/145 specially adapted for fluid operated wrenches or screwdrivers
- B25B 23/147 specially adapted for electrically operated wrenches or screwdrivers
- B25B 23/15 having a mechanism to mark the work when the selected torque is applied to the work