Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Reexamination Certificate
2006-08-02
2008-08-12
Richman, Glenn (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Bicycling
C482S051000, C482S054000
Reexamination Certificate
active
07410449
ABSTRACT:
An exercise treadmill includes a tread belt wrapped around front and rear rolls, a motor, a frame, a control panel, a sensor electrically connected to the motor for sensing a rotation of its driving shaft and generating a sense signal if sensing the rotation, and a controller electrically interconnected the sensor and the control panel for receiving the sense signal and generating and sensing a control signal to the motor. The motor may either stop the rotation of the driving shaft for maintaining the tread mill motionless in response to the user's foot impact thereon less than or equal to a predetermined reverse force or oppose a movement of the tread belt in response to the impact larger than the reverse force. Moreover, the tread belt either maintains at its current position or returns to its original position in response to stopping exercise.
REFERENCES:
patent: 5690587 (1997-11-01), Gruenangerl
patent: 6409633 (2002-06-01), Abelbeck
patent: 6645126 (2003-11-01), Martin et al.
patent: 2005/0164839 (2005-07-01), Watterson et al.
Bacon & Thomas PLLC.
Richman Glenn
Sing Lin Technology Co., Ltd.
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