Ratchet screw driver

Details Ratchet screw driver Ratchet screw driver

1993-07-12

1994-08-23

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 632, B25B 1346

Patent

active

053397118

ABSTRACT:
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.

REFERENCES:
patent: 4901607 (1990-02-01), Beugelsdyk et al.
patent: 5142953 (1992-09-01), Lin

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