Indoor vaulting box

Details Indoor vaulting box Indoor vaulting box

1974-07-12

1976-04-06

Pinkham, Richard C.

Undertaking

A63B 500

Patent

active

039485145

ABSTRACT:
An elongated trough having front and rear ends and including a pair of upstanding opposite side flanges interconnected along their lower marginal edge portions by means of an integral bottom wall extending therebetween is provided. The flanges are convergent toward the rear end of the trough and the bottom wall tapers toward the rear end of the trough. The flanges are upwardly divergent and taper in height toward the front end of the trough. A rear wall extends between and is secured to the rear ends of the flanges and the rear marginal edge of the bottom wall and the rear wall terminates downwardly in an integral horizontally outwardly extending flange projecting outwardly from the rear end of the trough and disposed coplanar with the bottom wall of the trough. The inclined upper edges of the side flanges include outwardly extending flanges terminating outwardly in downturned flanges and the upper marginal edge of the rear wall terminates in a horizontally outwardly projecting rearwardly directed flange terminating outwardly in a downwardly directed flange. The trough is designed as an indoor vaulting box and the inner surface of the rear wall and the upper surface of the bottom wall form an included angle of 105.degree..

REFERENCES:
patent: 1168666 (1916-01-01), Medart
patent: 2818254 (1957-12-01), Dunn
patent: 3075765 (1963-01-01), Mpakarakes

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