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专利名称：AUTOMATIC TRACTION DEVICE发明人：SAIMA TOORU申请号：JP2679078申请日：19780309公开号：JPS6132187B2公开日：19860725
摘要：PURPOSE:To provide an automatic device of high reliability regardless of theprecision of the engineering works by causing the car to travel by supporting a part ofthe car on a movable support beam. CONSTITUTION:An electric drive car 7 is movablyarranged at a side lower than a car travelling road 2, and a stay 8 is protruded from thiscar body 7. Wheel keep plates 26, 27, 28 and 29 are pivotally connected both sides at theupper end of the stay 8, whereby movable support beams 20 and 21 can be fittedrotatably in the direction attachable or detachable to or from the travelling road 2, andsupport wheels 22 and 23 are provided at one-ends of support wheels 22 and 23. A partof a vehicle such as a front wheel a of a car is supported on movable support means 20and 21 constructed as described above, and the car travels in a tunnel. According to theabove described construction it is possible to obtain such a traction device of highrelianility that even when the manufacturing precision of the engineering works is relaxed,the device can withstand the use and also can continue to precisely pull the car.
申请人：TOKYO SHIBAURA ELECTRIC CO
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