Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Patent
1994-02-25
1996-02-06
Apley, Richard J.
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
482 7, 482901, A63B 2202, A63B 2400
Patent
active
054892503
ABSTRACT:
A high speed deceleration device and method is disclosed that operates on a D.C. speed-change motor used to change the transmission configurations on the transmission of a treadmill powered by a constant speed drive motor. In ordinary use, normal transmission acceleration and deceleration rates are used to speed up or slow down the treadmill belt. A deceleration control signal causes a high voltage to be provided to the D.C. speed-change motor. The high voltage causes the D.C. speed-change motor to rapidly change the transmission configurations on the treadmill which causes a rapid deceleration of the treadmill belt. The deceleration control signal is produced in response to a user direction or in response to the condition of the treadmill. Once the belt has been slowed below a threshold speed, the machine shuts itself off. During the deceleration process, the drive motor of the treadmill continues to provide power to the treadmill belt through the transmission so that the transmission continues to move during the deceleration process.
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Densmore Bruce D.
Fissel Gregory W.
Hass Lester A.
Rotunda John T.
Allison Richard D.
Apley Richard J.
Beck Andrew J.
Leubecker John P.
Quinton Instrument Company
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