Treadmill having changeable suspension

Details Treadmill having changeable suspension Treadmill having changeable suspension

2007-01-16

2007-01-16

Richman, Glenn E. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Treadmill for foot travel

C482S051000

Reexamination Certificate

active

11335376

ABSTRACT:
A treadmill includes a tread deck supported on a tread base, and one or more cushioning members disposed below and engaged with the tread deck for cushioning the tread deck and for absorbing impact loads imparted on the tread deck by the users, the cushioning member includes different resilience for applying different cushioning force onto the tread deck when the cushioning member is rotated relative to the tread base. A rod is disposed in the tread base for supporting the cushioning members. One or more gears may be attached to the rod and engaged with a rack of the tread base for rotating the rod and the cushioning members relative to the tread base when the rod and the gear are moved relative to the rack.

REFERENCES:
patent: 5827155 (1998-10-01), Jensen et al.
patent: 5993358 (1999-11-01), Gureghian et al.
patent: 6013011 (2000-01-01), Moore et al.
patent: 6821230 (2004-11-01), Dalebout et al.

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