Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1997-06-25
1999-08-10
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
227136, B25B 2306
Patent
active
059341629
ABSTRACT:
A screwdriver for driving collated screws including a slide body coupled to a housing for reciprocal displacement in a cycle including a retraction stroke and an extension stroke, a lever pivotably mounted to the slide body carries at one end a cam pin received in a cam slot in the housing with the other end of the lever advancing succssive screws in the screwstrip, the cam slot having first and second camming surfaces for selective engagement by the cam pin to vary the relative positioning of the lever to be different for the same positions of the slide body in the housing in the retraction strokes than in the extension stroke.
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