Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Reexamination Certificate
2000-09-08
2001-06-12
Crow, S. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Bicycling
C188S164000
Reexamination Certificate
active
06244990
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a magnetic damping device for an exercising machine, and more particularly to such a magnetic damping device, which includes two magnetic members that can be adjusted one after the other to control the magnetic damping force to the load wheel of the exercising machine.
The magnetic damping device of a regular exercising machine is comprised of a magnetic member disposed adjacent to a load wheel at one side. The magnetic member is moved relative to the load wheel by an adjustment device to control its magnetic damping force to the load wheel. Because the magnetic member Because only one magnetic member is provided at one side relative to the load wheel, the magnetic damping force adjusting range is limited.
SUMMARY OF THE INVENTION
The present invention provides a magnetic damping device for an exercising machine, which enables the user to adjust the magnetic damping force. According to the present invention, the magnetic damping device comprises two magnetic members, the magnetic members each having a fixed end pivoted to the exercising machine and a free end coupled to a different movable part of an adjustment device, and two tensile springs respectively connected between the exercising machine and the magnetic members to provide the magnetic members with different moment of force. When adjusting the adjustment device, the magnetic members are moved relative to the load wheel one after another, enabling the magnetic damping force to be precisely adjusted to the desired level.
REFERENCES:
patent: 5031901 (1991-07-01), Saarinen
patent: 5848953 (1998-12-01), Wei et al.
patent: 5851165 (1998-12-01), Wei et al.
patent: 6095953 (2000-08-01), Lee et al.
Crow S.
Dougherty & Troxell
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