Patent ID: 6361479
Filing Date: 2002-03-26
Classification: A63B,Y10S,Y10T

Abstract:
A exercise machine having a force transfer mechanism comprising:first and second force generating members which are actuated by a user operating said exercise machine; rigid first and second mechanical linkages coupled to said force generating members; a cam coupled to said mechanical linkages, wherein said first mechanical linkage is coupled to generally the upper portion of said cam above its pivot axis and said second mechanical linkage is coupled to generally the bottom portion of said cam, below its pivot axis said cam being oscillated in a back and forth motion by said first and second mechanical linkages; a first belt coupled to the top of said cam and further coupled to a first one way clutch; a second belt coupled to the bottom of said cam and further coupled to a second one way clutch; said one way clutches coupled to a pulley, wherein said one way clutches exert a rotational torque in only one direction on said pulley to rotate said pulley; and said pulley coupled to a resistance device by a third belt, wherein said resistance device provides resistance to a user of said exercise machine.