Interference fit support bracket for a portable folding chair

A - Human Necessities – 47 – C

Patent

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Details

A47C 4/20 (2006.01)

Patent

CA 2399620

A lightweight, inexpensive folding chair (10) may have a seat (18) with an interference fit support bracket (74,76). The seat may have a seat member (72) constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets (74,76). The support brackets (74,76) may be affixed to the seat member (72) by sliding the seat member into interference engagement with the support brackets (74,76). The seat member is supported against bending in use to inhibit deformation and failure. The support brackets may have an enclosing shape so that the seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may have lips extending into the seat member to provide the enclosing shape. The support brackets may also have an arcuate shape to strengthen the support brackets against bending.

La présente invention concerne une chaise pliable légère et peu coûteuse pouvant présenter un siège avec un support à ajustement serré. Le siège peut comporter une partie siège fabriquée avec un matériau léger, tel que le plastique moulé par soufflage, généralement retenue par deux supports. On peut fixer ces supports à la partie siège en faisant coulisser l'élément siège en ajustement serré avec les supports. L'élément siège est fixée de manière à résister, au cours de son utilisation, aux forces de flexion qui peuvent engendrer des déformations et des défaillances. Ces supports peuvent avoir une forme enveloppante qui empêche la partie siège de sortir des supports par un déplacement latéral ou transversal. La forme enveloppante des supports peut être obtenue grâce aux rebords qui viennent s'encastrer dans la partie siège. En outre, ces supports peuvent présenter une forme cintrée qui leur permet de résister aux forces de flexion.

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