| 摘要 |
PURPOSE: An electric jumping bar is provided to enable a user to enjoy the jumping bar for a long time by helping the user in easily jumping with the jumping bar. CONSTITUTION: The jumping bar is equipped with a vertical bar, a handle, a spring or air cylinder used as a part storing kinetic energy to potential energy, and in addition, equipped with a controller(32), a sensor(34), a battery(33) and a solenoid(21). The controller(32) receives and analyzes a signal coming from the sensor(34). When the spring or air cylinder is compressed and then starts to be stretched, the controller(32) transfers the power of the battery(33) to the solenoid(21) to operate the solenoid(21). After the spring or air cylinder is stretched fully, the power is stopped to stop the operation of the solenoid(21). The above procedure is periodically repeated to increase the repulsive force.
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