Tool storage magazine

A tool storage magazine for a machine tool with an automatic tool change apparatus comprising:

• a magazine base;
• a magazine plate rotatably supported on said magazine base;
• drive means for rotating said magazine plate;
• a plurality of holding blocks mounted on said magazine base in a circumferential direction;
• each holding block having bores on opposite sides thereof;
• a spherical bearing member received in each bore of said each holding block;
• a plurality of tool sockets to be pivotally supported in equi-spaced relationship with each other in a circumferential direction for holding tools;
• each tool socket being arranged between two adjacent holding blocks and having bores on opposite sides thereof;
• a support pin fitted at one end thereof into said spherical bearing member to be pivotable relative to the associated holding block and fitted at the other end thereof into the bore of the associated tool socket;
• first means for holding tool sockets in outwardly inclined positions;
• second means for rendering said first means inoperative at a tool change position;
• and
• third means for moving any one of said tool sockets positioned at the tool change position from the inclined position to a horizontal position for an automatic tool change operation.