US 12,453,404 B2
Backpack with shoulder straps crossing and non-fixed at top to support load from base
Graham Mark Armitage, Calgary (CA)
Filed by Graham Mark Armitage, Calgary (CA)
Filed on Dec. 2, 2022, as Appl. No. 18/073,812.
Claims priority of application No. CA 3141175 (CA), filed on Dec. 6, 2021.
Prior Publication US 2023/0172344 A1, Jun. 8, 2023
Int. Cl. A45F 3/04 (2006.01); A45F 3/08 (2006.01)
CPC A45F 3/047 (2013.01) [A45F 3/08 (2013.01); A45F 2003/045 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A backpack comprising:
a main bag portion, the main bag portion having a back panel that faces a body of a user when the backpack is worn by the user;
a right shoulder strap extending upwards from a first fixed connection located within a bottom-right area of the back panel, passing through a first ring secured within a top-right area of the back panel, and extending down from the first ring to a second fixed connection located within a bottom-left area of the back panel, wherein the right shoulder strap passes through the first ring but is not otherwise fixed to the first ring;
a left shoulder strap extending upwards from a third fixed connection located within the bottom-left area of the back panel, passing through a second ring secured within a top-left area of the back panel, and extending down from the second ring to a fourth fixed connection located within the bottom-right area of the back panel, wherein the left shoulder strap passes through the second ring but is not otherwise fixed to the second ring;
a right frame stay formed by a first bar member mounted vertically on a right side of the back panel; and
a left frame stay formed by a second bar member mounted vertically on a left side of the back panel;
wherein both the right frame stay and the left frame stay are mounted on an outside of the back panel and are removable and installable by the user;
a bottom end of the right frame stay is inserted into a first frame stay pocket formed within the bottom-right area of the back panel;
a bottom end of the left frame stay is inserted into a second frame stay pocket formed within the bottom-left area of the back panel; and
both a top end of the right frame stay and a top end of the left frame stay are inserted into a single upper frame stay pocket that spans between the top-right area and the top-left area of the back panel.