Backpack suspension system
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United States of America Patent
Stats
-
Apr 8, 1997
Issued Date -
N/A
app pub date -
Feb 17, 1995
filing date -
Sep 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for backpacks that allows the backpack to be worn comfortably without shoulder straps. This is accomplished with a pair of generally triangular shaped flaps that are attached to the pack at symmetrical locations, typically the front or rear corners. The free edges of the flaps approximate catenary curves. Adjustable-length straps connect the apex of each flap to the backpack waistbelt. The flaps distribute tension relatively evenly along a substantial portion of the height of the packbag or frame, which pulls the packbag more tightly against the wearer's back, so that it can be worn comfortably without shoulder straps. The system may also be used with shoulder straps in order to lessen the stress on the user's shoulders.
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