Elevational platform for balance beams and like articles

Details Elevational platform for balance beams and like articles Elevational platform for balance beams and like articles

1980-10-02

1982-12-28

Pinkham, Richard C.

Undertaking

108144, 182141, 434247, A63B 708

Patent

active

043658016

ABSTRACT:
A platform (10) comprises a deck (12), leg pairs (14) pivoted to the deck, and screw mechanisms (28-38) coupled to the legs for pivoting the legs in unison towards and away from each other, respectively, to lower and raise the deck. The platform is yieldable due to flexibility inherent in the legs, which yieldability increases as the legs depart further from their vertical position. Such yieldability is particularly useful when a pair of such platforms is used as a raisable floor alongside of a balance beam (50) in gymnastic training, for helping the gymnast lose her fear of height, and for enabling a coach safely to spot the gymnast.

REFERENCES:
patent: 2003581 (1935-06-01), Daly
patent: 2985891 (1961-05-01), Hutt
patent: 3211452 (1965-10-01), Ahrens
patent: 3262734 (1966-07-01), Kuks
patent: 3282376 (1966-11-01), Merriman
patent: 3305876 (1967-02-01), Hutt
patent: 3380085 (1968-04-01), Ferneau et al.
patent: 3713652 (1973-01-01), Rakestraw
patent: 3802002 (1974-04-01), Jonas

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