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US 6,746,300 B1Granted
Toy top
AssigneeTakara Co., Ltd.
InventorHiroyuki Matsukawa
Life of this patent
Estimating the term…
Abstract
A toy top includes a toy body having a main spring power device therein, the main spring power device being rotatively linked with a revolving shaft provided on a center of a bottom surface of the toy body. The main spring power device includes latch means for maintaining a winding-up position when a main spring is wound up and a button for releasing the latch means so as to release a revolving force of the main spring. The toy body is provided with a press mechanism for pressing the button according to a rise or a reduction in a centrifugal force during the revolution of the toy body.
Claims5
A toy top comprising:
- a toy body;
- a revolving shaft provided on a center of a bottom surface of said toy body so as to be rotatable;
- and
- a main spring power device arranged inside said toy body, said main spring power device being linked with said revolving shaft,
- wherein said main spring power device includes a latch unit for maintaining a winding-up position when a main spring is wound up and a button for releasing said latch unit so as to release a revolving force of said main spring;
- and
- said toy body includes a press mechanism for pressing said button according to a change of a centrifugal force during revolution of said toy body.
4 more elements
Dependencies are inferred from the claim text.