| 摘要 |
The invention relates to improvements to the main Patent. The improvements consist in equipping the reduction gear with a clutch housed in the space occupied by the gearwheel of the coupling reduction gear. This clutch essentially consists of two opposed and symmetrical conical bearing surfaces formed in the bore of the gearwheel, and two corresponding male cones. The reduction gear finds a main application in the driving of automotive equipment. <IMAGE>
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