| 摘要 |
1,167,584. Flexible shafts. FLEXIBLE DRIVES (GILMANS) Ltd. 12 June, 1968 [11 May, 1967], No. 21901/67. Heading F2U. A flexible shaft drive 4 for operating a rotary abrading brush or tool 3 from a remotely located electric motor 5 for cleaning in restricted places such as steam boiler tubes 2, incorporates a manually disengageable positive or friction clutch 6 disposed at an intermediate point in the length of the flexible shaft 4 such that it is accessible to the operator during the whole of the cleaning operation whereby the operator can at any time simply disconnect the brush 3 from the driving motor 5 to move from one tube 2 to the next or replace a worn brush or fit a different tool. |
