Patent ID: 8231037

Claim:
A carrying bag with a strap apparatus comprising: (a) a first side, a second side, a front, a back, a bottom and a top, (b) a first strap segment and a second strap segment, (c) a plurality of constraining means comprising: i. a first constraining means attached to said first side near said bottom, said first constraining means constraining said first strap segment and said second strap segment; ii. a second constraining means attached to said second side near said bottom, said second constraining means constraining said first strap segment; iii. a third constraining means attached to said first side near said top, said third constraining means constraining said first strap segment; and iv. a fourth constraining means attached to said second side near said top, said fourth constraining means constraining said second strap segment, (d) a first releasably constraining means being attached to said first side near said top and releasably constraining said second strap segment, (e) a second releasably constraining means being attached to said second side near said top and releasably constraining said first strap segment, (f) said first strap segment extending from said first constraining means to said third constraining means, then extending optionally to said second releasably constraining means, and then extending to said second constraining means, (g) said second strap segment extending from said first constraining means and optionally to said first releasably constraining means and then extending to said fourth constraining means, whereby said carrying bag having a single-strap mode activated by: i. constraining said second strap segment on said first side with said first releasable constraining means, ii. constraining said first strap segment on said second side with said second releasable constraining means, iii. wearing said first and said second strap segments over a first shoulder or a second shoulder of a user so that said carrying bag hangs from said first shoulder or said second shoulder by said strap apparatus and is worn as a single-strap shoulder bag, and whereby said carrying bag having a backpack mode activated by: i. releasing said first strap segment on said second side with said second releasable constraining means, ii. releasing said second strap segment on said first side with said first releasable constraining means, iii. wearing said first strap segment on said first shoulder, wearing said second strap segment on said second shoulder, with said carrying bag being positioned behind the user with the said first and said second strap segments crossing at said back side of said user so that said carrying bag is worn as a backpack.