Patent ID: 8801582
Filing Date: 2014-08-12
Classification: A63B

Abstract:
1. A treadmill, comprising: a tread platform comprising two longitudinal frame bars bilaterally disposed at a bottom side thereof; a swing unit pivotally mounted at a bottom side of said tread platform and biasable relative to said tread platform between an outer position relatively closer to respective rear ends of said longitudinal frame bars and an inner position relatively far from said rear ends of said longitudinal frame bars; and two inclination angle adjustment blocks, each said inclination angle adjustment block comprising a core shaft defining an axis line, and a plurality of bearing faces connected to one another and respectively disposed in parallel to said axis line and adapted for selectively supporting said tread platform on a ground, said bearing faces defining with said axis line a respective vertical distance, at least two said vertical distances being different, the core shafts of said inclination angle adjustment blocks being pivotally coupled to said swing unit to support said inclination angle adjustment blocks at an outer side relative to said longitudinal frame bars of said tread platform; wherein each said inclination angle adjustment block comprises a plurality of petals connected to one another around the core shaft thereof, and the petals of each said inclination angle adjustment block having different sizes.