Patent ID: 11872447
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 7:
8. 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;
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;
the rotation shaft module includes a swinging member, a first rotation shaft, a second rotation shaft, two first pivot members, and two second pivot members;
the swinging member is a hollow frame;
each of the two first pivot members is secured on the top of the support rack;
each of the two second pivot members is secured on a bottom of the movable step board;
each of the two second pivot members is directed toward a direction perpendicular to that of each of the two first pivot members;
the first rotation shaft is pivotally mounted on the swinging member and has two ends pivotally connected with the two first pivot members respectively; and
the second rotation shaft is pivotally mounted on the swinging member and has two ends pivotally connected with the two second pivot members respectively.