Screwdriver structure for tightening and loosening of screw has rotary cap which is rotatably provided on projecting section of handle through engagement of respective pivot sections such that holes of cap and handle align with each other

摘要

A rotary cap (40) has a cavity (42) from a bottom end and the through holes on an outer periphery. The rotary cap is rotatably provided on the projecting section (22) of a handle (20) through the engagement of the respective pivot sections (26,46) and through the accommodation of the projecting section in the cavity such that the through holes (44) of the cap correspond and align with the hole (24) of the handle. The screwdriver structure includes the projecting section formed in the rear end of the handle and provided with the pivot section. Number of holes is formed in intervals at the periphery of the projecting section. A stem (30) is provided to the front end of the handle for driving a screw.