| 摘要 |
The invention refers to a hand-operated nut which can be screwed or unscrewed with the fingers, without using any other tools. According to the invention, the nut is manufactured by means of a cycloid bolt reducer and is made up of an eccentric bushing (1) which drives a profiled bushing (2) into oscillating motion which, in its turn, drives a nut (4) by means of teeth (a). The nut (4) has bolts (3) and is supported by a body (5) that has recesses (b) in which the teeth (c) of the profiled bushing (2) are forced to oscillate.
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