Internal frame pack with load-responsive spring rods

A - Human Necessities – 45 – F

Patent

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Details

A45F 3/08 (2006.01)

Patent

CA 2261672

An internal frame backpack (10) includes a pack (12) having an anterior side (14) that contacts a user's back, and left and right shoulder straps (10, 18) attached at an upper end to an upper portion (20) of the pack and at a lower end to left and right lower portions (44, 46) of the pack. The pack includes an internal frame formed from an elastomeric pad (24) integrated into the anterior side of the pack, and resilient left and right rods (26, 28) mounted within the pack and secured to the elastomeric pad. The resilient rods act as coil springs which support loads in the pack with a degree of flexibility that varies in response to the magnitude of the load.

Sac à dos à armature interne (10) comprenant un sac (12) possédant une face antérieure (14) en contact avec le dos de l'utilisateur et des bretelles d'épaule gauche et droite (10, 18) se fixant à une extrémité supérieure d'une partie supérieure (20) du sac et à une extrémité inférieure sur les parties gauche et droite (44, 46) du sac. Le sac comporte une armature interne formée d'un bloc élastomère (24) intégré à la face antérieure du sac et des tiges gauche et droite souples et résistantes (26, 28) qui sont montées dans le sac et fixées au bloc élastomère. Les tiges, élastiques, agissent comme des ressorts à boudin, et supportent les charges placées dans le sac avec une flexibilité en fonction de l'ampleur de la charge.

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