Limited deflection spring

Details Limited deflection spring Limited deflection spring

1989-08-22

1990-03-13

Halvosa, George E. A.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

5247, 5255, 5476, F16F 302

Patent

active

049077856

ABSTRACT:
A spring for a box assembly that is constructed to limit deflection of the spring to a position in which the spring is not overstressed. The limited deflection spring includes a wire body which has a load bearing portion, an upright yieldable portion, and a foot portion. The upright yieldable portion includes a pair of downwardly extending converging connecting bars integral at their upper ends with torsion bars at opposite ends of the load bearing portion. A pair of lower torsion bars are connected to the lower ends of the connecting bars and are spaced inward from a pair of downwardly extending converging wire columns which are connected at their upper ends to the lower torsion bars. As a downward load is applied to the load bearing portion, the wire columns move toward vertical positions in which they limit further deflection of the spring.

REFERENCES:
patent: 4339834 (1982-07-01), Mizelle
patent: 4559654 (1985-12-01), Mizelle

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