Patent ID: 7163493
Filing Date: 2007-01-16
Classification: A63B

Abstract:
1. A treadmill comprising: a tread base including two side beams each having a channel formed therein, and including at least one rack arranged parallel to either of said channels of said tread base, a rod including two ends slidably received in said channels of said tread base, at least one gear disposed on said rod and engaged with said at least one rack of said tread base for rotating said at least one gear relative to said tread base when said at least one gear is moved relative to said at least one rack, a tread deck supported on said tread base, and at least one cushioning member disposed on said rod and engaged with said tread deck for cushioning said tread deck and for absorbing impact loads imparted on said tread deck by a user, said at least one cushioning member including different resilience for applying different cushioning force onto said tread deck when said at least one cushioning member is rotated relative to said tread base.