B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/43
B25B 21/02 (2006.01)
Patent
CA 1092865
ABSTRACT In a rotary impact mechanism which has input, output and inertia members substantially symmetrical and journaled about each other for independent angular movement about a common axis and a pawl and ratchet assembly for interconnecting the input and output members for torque transmission, the pawl spring assembly for biasing the pawl in a direction to engage the ratch- et comprises a plurality of spring elements formed into a unitary structure and arranged with respect to the pawl to sequentially engage and load the pawl as the pawl is moved in a direction to disengage form the ratchet.
307842
Gowling Lafleur Henderson Llp
Marquette Metal Products Company
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