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Screwdriver with rotary cartridge including replaceable bits therein

  • US 20080190249A1
  • Filed: 01/22/2008
  • Published: 08/14/2008
  • Est. Priority Date: 02/12/2007
  • Status: Active Grant
First Claim
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1. A screwdriver with rotary cartridge including replaceable bits therein comprising:

  • a body including a cavity portion formed at one end thereof for receiving a rotary cartridge having a plurality of grooves therein, said cavity portion including a mounting tube provided at front end thereof and communicating therewith, said grooves of said rotary cartridge rotatably corresponding to said mounting tube, said cavity portion also including a slide seat secured at the rear end thereof and communicating therewith, and said slide seat including a grip disposed thereon and having a push shank fixed at the front end thereof, wherein a slidable piece is attached in said cavity portion for being pushed by said push shank and includes a guide slot formed thereon, at one end of said rotary cartridge are extendedly defined with a plurality of locking protrusions, on a rotating shaft of said rotary cartridge is pivotally secured an actuation member for rotatably retaining one of said corresponding locking protrusions, said actuation member includes a guiding tab disposed thereon for being fitted in said guide slot of said slidable piece.

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