| 摘要 |
A tool holding device comprising a tool pot in which an interchangeable tool is releasably fitted and removed, a ball holder firmly fitted in the tool pot and having a guide surface around which a shank portion of the tool is releasably fitted for radially advancing and retracting balls in said ball holder for attachment and detachment of a tool relative to the tool pot and a slide pin in the tool pot to move said balls radially outward to engage the shank of the tool being attached and for movement in an opposite direction for releasing said tool. <IMAGE> |
