B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/41
B25B 13/46 (2006.01) B25B 13/00 (2006.01) B25B 23/16 (2006.01)
Patent
CA 1252650
ABSTRACT OF THE DISCLOSURE A ratchet wrench has a chain drive and three separate operating handles enabling the wrench to be operated in three different modes providing various degrees of torque and various speed ratios.
517049
Goetz Harold E.
Sim & Mcburney
LandOfFree
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