Screwdriver, particularly for surgical purposes

作者: Franz Leibinger , Karl Leibinger

DOI:

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摘要: A screwdriver is provided which engages the head of screw, and also grips screw. The screwdriving gripping assemblage may be readily interchanged with another in handle screwdriver. Opening closing jaws effective by sliding an outer sleeve surrounds form a part, other slidable on shaft comprises front part rear are rotatably connected together for rotation forward shaft, while held fixed.

参考文章(10)
Albert G Rossner, Handle for screw drivers or the like ,(1954)
George Zahnor Edwards, Carolus M Osborn, Screwdriver with screw-gripping jaws ,(1967)
Miles Wilbur N, Walker David D, Benjamin Milton L, Quick release tool holder ,(1968)
Agnar F Bystrom, Screw-holding screw driver ,(1957)
Victor W. Rodman, Combination hand tool ,(1975)