| 摘要 |
A tool holder for a hand supported impacting machine, which tool holder is suitable for receiving a tool (6, 106, 206) having a shank portion on which is formed a retaining collar (24, 124, 224) via which retaining collar the tool is retained within the tool holder. The tool holder includes a tubular main body (2, 102, 202) for receiving the tool and at least one locking element (16, 116, 216) moveably mounted with respect to the main body and having an engaging portion (22, 122, 222) moveable between a radially inner locked position in which the engaging portion is engageable with the retaining collar of the tool to retain the tool within the tool holder and a radially outer unlocked position in which a tool can be inserted into or removed from the tool holder. The tool holder additionally comprises a manually actuable sleeve which is mounted around the main body so as to be moveable between a locked position in which the locking elements are held in their locked position and an unlocked position in which the engaging portions of the locking elements are moveable to their unlocked position. |
