B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 15/04 (2006.01) B25B 13/46 (2006.01)
Patent
CA 2122083
A ratchet screw driver includes a housing, a pinion rotatably engaged in the housing, a sleeve rotatably engaged on the housing and engaged with the pinion in order to rotate the pinion, a shaft rotatably received in the housing, a notch formed in the shaft for receiving a pawl, a rod having a gear engaged with the pinion and having a projection for engaging with the pawl in order to rotate the pawl, the pawl is rotated when the rod is rotated by the sleeve via the pinion.
Shu Zu-Shung
Smart & Biggar
LandOfFree
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