Undertaking
Patent
1984-02-02
1986-06-17
Apley, Richard J.
Undertaking
434253, A63B 6918
Patent
active
045951950
ABSTRACT:
An exercising apparatus for use by skiers to practice downhill runs, slalom runs and analogous types of runs has a main frame supporting a swaying frame which is turnable with reference to the main frame about two parallel horizontal axes extending longitudinally of the main frame. The movements of the swaying frame to either side of a central longitudinal vertical symmetry plane are opposed by strong coil springs whose bias is adjustable by a feed screw. The swaying frame carries a seesaw frame which is rockable with reference thereto about one or more horizontal axes disposed in the central longitudinal symmetry plane of the swaying frame. Two ski boot supporting platforms are mounted on the seesaw frame at the opposite sides of the symmetry plane of the swaying frame, and each such platform is tiltable about a longitudinally extending horizontal axis, turnable about a vertical axis and/or movable lengthwise toward the front or rear end of the swaying frame, always against the opposition of one or more springs which tend to maintain the platform in a neutral position. The seesaw frame enables the user to move one of the platforms downwardly with attendant automatic upward movement of the other platform and vice versa, preferably against the opposition of one or more leaf springs.
REFERENCES:
patent: 3912260 (1975-10-01), Rice
Apley Richard J.
Crow S. R.
Kontler Peter K.
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