Patent ID: 6105190
Filing Date: 2000-08-22
Classification: B25B

Abstract:
A driving tool comprising:an elongate hollow handle formed with a longitudinally extending receiving chamber, said handle having a front end and an open rear end;a tubular shank mounted securely on said front end of said handle, said shank confining an axial bore which has a cross-section smaller than that of said receiving chamber, said shank having an open mounting end which is secured to said front end of said handle and which is communicated with said receiving chamber, and an open drive end that is opposite to said mounting end and that is adapted for receiving removably a tool bit;a telescopic retriever disposed in said receiving chamber and having a front end which is extendible into said axial bore of said shank to reach said drive end, said front end of said telescopic retriever being provided with a magnet member adapted for magnetic attraction with the tool bit, said front end of said telescopic retriever being extendible forwardly to project from said drive end of said shank when the tool bit is removed from said drive end;a rear cap mounted removably on said rear end of said handle for retaining detachably said telescopic retriever in said receiving chamber; anda spring-loaded retaining unit mounted on said drive end of said shank and extendible radially into said axial bore of said shank so as to be adapted to retain removably the tool bit at said drive end of said shank.