Patent ID: 6427560
Filing Date: 2002-08-06
Classification: B25B

Abstract:
A screwdriver device comprising:a handle having a longitudinal channel and a positioning notch wherein the positioning notch is adjacent to said longitudinal channel; a spring having an upper portion and disposed in said longitudinal channel; an insertion rod having a side on which a grip is transversely mounted, said insertion rod having a front end movably connected to the upper portion of said spring and being positioned in said longitudinal channel, and said grip being selectively engaged or released from said positioning notch; a shank having a top end, a middle part, and lower part, the top end of the shank being rotatably mounted within the handle; a gear provided at the middle part on said shank; an operating lever extending from an upper plate and a lower plate formed therewith; a claw member provided at a suitable position formed between said upper plate and said lower plate which are superposed, said claw member having two pointed corners at a front end thereof which are switchable to the left or right to be respectively engaged into a groove of said gear and which, in use, move the shank to rotation; and a rotary member provided at a suitable position on the handle and fixed with the shank for facilitating a user's hand to directly rotate the shank.