| 摘要 |
PCT No. PCT/JP96/01572 Sec. 371 Date Dec. 5, 1996 Sec. 102(e) Date Dec. 5, 1996 PCT Filed Jun. 11, 1996 PCT Pub. No. WO97/00193 PCT Pub. Date Jan. 3, 1997A driving force auxiliary device for combining a manpower drive force and a motor drive force comprises a manpower drive unit, an auxiliary power drive unit, and a leg power detecting means, wherein the manpower drive unit has a first one-way clutch and an elastic body 16 for transmitting a turning force disposed on a crank shaft to transmit a manpower drive force to an output, gear 17, a motor drive force of the auxiliary power drive unit is added to the manpower drive means at the outer periphery of the crank shaft via a second one-way clutch, and the leg power detecting unit includes first and second rotor members 31, 32 disposed at the front and rear of the elastic body 16, a pair of bevel gears 33, 34 which is interconnected with the first and second rotor members 31, 32 respectively, a bevel gear 35 is disposed to be engaged between the bevel gears 33, 34, an output shaft 37 which is fixed with and intersected at right angles with a supporting shaft 36 for supporting the bevel gear 35, and a sensor 38 connected to the output shaft 37. Thus, a compact driving force auxiliary device can be obtained.
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