US 6,982,497 B2 | ||
Backpack for harvesting electrical energy during walking and for minimizing shoulder strain | ||
Lawrence C. Rome, Strafford, Pa. (US) | ||
Assigned to Lightning Packs, LLC, Strafford, Pa. (US) | ||
Filed on Mar. 17, 2004, as Appl. No. 10/803,112. | ||
Claims priority of provisional application 60/455477, filed on Mar. 17, 2003. | ||
Prior Publication US 2004/0183306 A1, Sep. 23, 2004 | ||
Int. Cl. B60L 1/02 (2006.01) |
U.S. Cl. 290—1A | 25 Claims |
1. A suspended load backpack for use in the generation of electricity, comprising:
a frame;
shoulder straps attached to the frame;
a load storage bag for accepting a load to be carried by said backpack;
at least one elastic element that connects the load storage bag to the frame, the elastic element having a modulus of elasticity
that permits the load storage bag and the load to move up and down relative to the frame in accordance with a gait of a wearer
of the backpack; and
an energy conversion device that converts up and down movement of the load storage bag and the load into electrical energy.
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