Patent ID: 9079068
Filing Date: 2015-07-14
Classification: A63B

Abstract:
1. A weight system including: a support frame; an upper weight stack located within the frame for movement in a vertical direction, said upper weight stack including at least one upper weight plate, said at least one upper weight plate having at least one selector pin aperture, an upper weight plate top surface and an upper weight plate bottom surface, and a central rod aperture; a lower weight stack located within the frame for movement in a vertical direction, said lower weight stack including at least one lower weight plate, said at least one lower weight plate having at least one selector pin aperture, a lower weight plate top surface and a lower weight plate bottom surface, and a central rod aperture; a vertical lift rod, said vertical lift rod being positioned through said central rod apertures; at least one bearing block, said at least one bearing block having a bearing aperture; at least one linear bearing positioned around said vertical lift rod and housed within said bearing block aperture, wherein said at least one linear bearing includes a collar portion; and wherein said bearing block includes at least one pin aperture, and said collar portion includes at least one upstanding pin, said pin being arranged for alignment fit with said pin aperture.