US 11,872,447 B2
Ski exercise machine with detective step board
Yu-Lun Tsai, Taichung (TW)
Filed by Yu-Lun Tsai, Taichung (TW)
Filed on Dec. 21, 2021, as Appl. No. 17/557,272.
Prior Publication US 2023/0191194 A1, Jun. 22, 2023
Int. Cl. A63B 24/00 (2006.01)
CPC A63B 24/0062 (2013.01) [A63B 2220/833 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A ski exercise machine comprising:
a main frame;
a support rack mounted on the main frame;
a rotation shaft module mounted on a top of the support rack;
a movable step board mounted on a top of the rotation shaft module;
an elastic unit mounted between the movable step board and the support rack; and
at least one gyroscope mounted on the movable step board;
wherein:
the movable step board is movably pivoted and swung relative to the support rack with the rotation shaft module being served as an axis of the movable step board; and
the at least one gyroscope detects and derives a swinging information of the movable step board when the movable step board is swung relative to the support rack;
further comprising:
two guide tracks mounted on two sides of the main frame respectively; and
two sliding handles mounted on the two guide tracks respectively;
wherein:
each of the two sliding handles has a lower end sliding forward and backward in one of the two guide tracks.