Patent ID: 8562495
Filing Date: 2013-10-22
Classification: A63B

Abstract:
1. An upper body exercise apparatus, comprising: a housing defining an interior area; a spring situated in said housing interior area in a normally unbiased configuration; a first cable having a first end operatively coupled to said spring and a second end extending away from said housing interior area, an outward movement of said first cable causing said spring to move toward a biased configuration; and a second cable having a first end operatively coupled to said spring and a second end extending away from said housing interior area, an outward movement of said second cable causing said spring to move toward said biased configuration; a transmission operatively coupled to said spring and to said first and second cables, said transmission being configured such that an outward movement of said first cable without an outward movement said second cable causes all of a resistance of said spring to be transmitted to said first cable, an outward movement of said second cable without an outward movement said first cable causes all of said resistance of said spring to be transmitted to said second cable, and an outward movement of both first and second cables causes said resistance by said spring to be distributed evenly between said first and second cables; and wherein said transmission comprises: