| 摘要 |
The invention relates to a connection for fastening a tool or a tool adapter to an extension device. The connection includes a threaded stud, a threaded bush and a mechanism for locking the threaded stud to the threaded bush when the threaded stud and threaded bush are interconnected. The mechanism for locking is one of a snap connection and a s1iding connection and includes a manipulating device to release the locking mechanism.
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