Exercise devices – Involving user translation or physical simulation thereof – Alpine or towed skiing
Patent
1993-04-09
1994-05-31
Apley, Richard J.
Exercise devices
Involving user translation or physical simulation thereof
Alpine or towed skiing
482130, 482 51, A63B 6918
Patent
active
053165306
ABSTRACT:
A downhill-ski training apparatus has a pair of like elongated ski beams each having a rear end carrying a respective foot pads and a front end connected to a stationary base at a swivel for movement of each the beams on the base about a respective vertical axis and a respective generally horizontal axis generally parallel to the respective beam so that each beam can be pivoted about its respective vertical axis from a center position with its rear end on a central region of a track to two flanking side positions with its rear end on side regions of the track. Respective elongated elastically extensible spring elements each have a rear end fixed to the rear end of the respective beam and a front end to the front side of the base and a middle part extending around a deflecting member that urges the beams toward the respective center positions and resists movement into the side positions with a force increasing as distance from the center position increases. Respective fixed-length links extend between a location offset on the respective beam from the respective horizontal and vertical axes and another end fixed to the base. The links are oriented such that on pivoting of the respective beams into the side positions the beams are tipped about their horizontal axes to an extent generally proportional to the angle of deflection from the respective center positions.
REFERENCES:
patent: 4607839 (1986-08-01), Knodson
patent: 4869496 (1989-09-01), Colombo
Apley Richard J.
Dubno Herbert
Reichard Lynne A.
Wilford Andrew
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