| 摘要 |
PROBLEM TO BE SOLVED: To enable running at comparatively high speed, and also enable substantial direction change for proceeding in the reverse direction. SOLUTION: In a carrier for tracking a carrier 1 by a mobile vehicle 2, the carrier 1 is provided with each connected part 31 capable of selectively connected with/ disconnected from traction parts provided in the mobile type vehicle respectively in both the front and rear parts, with four wheels including two front wheels 4 and 5, and two rear wheels 6 and 7, wherein each wheel is a type of a swivel wheel set in such a way as to be freely turned around an axial line 13 normal to the ground, and the front two wheels 4, 5 and the rear two wheels 6, 7 are so connected as to be turned while being interlocked therewith by means of a link mechanism 8, and also with each steering mechanism 9 independently arranged in each set of the front and rear wheels to follow up the turning of the mobile type vehicle when the carrier is tracted. The steering mechanism 9 is connected at its one end with a carrier body by a pin 29 in such a way as to be revolved similarly with a set of the two wheels revolved while being interlocked therewith by means of the link mechanism, and concurrently, a steering rod 26 is provided with a connection part connected with the link mechanism at its halfway by a pin 30, the other end extended to the mobile type vehicle side so as to be formed up, and a connected part arranged at the extended end part.
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