| 摘要 |
A riding toy primarily for a child is disclosed of the type having three wheels and commonly called a tricycle. The particular toy embodies a large front wheel with a pair of smaller castered rear wheels, the castered rear wheels having a swivel axis which may be rocked from a first to a second position; thus for normal action of the toy the swivel axis will be substantially at right angles to the rotational axis of the castered wheels. The operator can control the rocking of the rear wheels and thus change the swivel axis away from a right angle position so that the toy may spin about the surface engagement point of the front wheel.
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