| 摘要 |
A torque limiting apparatus includes: a connecting shaft (20), the output side of which is connected to a differential gear system (60), and the input side of which is protruded out of an opening (80b) formed at the housing (80) of the differential gear system; a hollow cylindrical casing (10) supported on the input side of the connecting shaft rotatably relative thereto, and connectable to the drive shaft; a seal member (14) for interconnecting liquid-tightly an opening at the output side of the casing and an opening of the housing, and a connecting mechanism (30) provided between the casing and the connecting shaft, for transmitting only a partial power less than a predetermined torque value out of whole power input into the casing, so that a lubricating oil can be automatically supplied.
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