Backpacks, including shoulder strapless backpacks. In some examples, the backpack includes adjustable removable shoulder straps. In some further examples, the backpack includes adjustable hip, torso, and chest straps.

A shoulder strap clip for a shoulder bag having a first strap and a second strap. The shoulder strap clip includes a shoulder padding configured to rest on a shoulder of a user; a spring-loaded clip rigidly attached to the shoulder padding at one end and configured to extend over a top surface of the shoulder padding. The spring-loaded clip includes a first contoured slot configured to receive the first strap of the shoulder bag; and a second contoured slot configured to receive the second strap of the shoulder bag.

A shoulder strap clip for a shoulder bag having a first strap and a second strap. The shoulder strap clip includes a shoulder padding configured to rest on a shoulder of a user; a spring-loaded clip rigidly attached to the shoulder padding at one end and configured to extend over a top surface of the shoulder padding. The spring-loaded clip includes a first contoured slot configured to receive the first strap of the shoulder bag; and a second contoured slot configured to receive the second strap of the shoulder bag.

A carrying strap adjusted, in use, to be installed on the shoulder of a wearer, where the carrying strap has a shaping reinforcement having an inner surface and an outer surface, the reinforcement includes: an upper reinforcement portion located, in use, at the shoulder on which the carrying strap is installed, a front reinforcement portion which extends the upper reinforcement portion, the front reinforcement portion includes a support portion, where, along the upper reinforcement portion and the front reinforcement portion, the inner surface of the reinforcement is shaped as a portion of a Moebius strip, which inner surface, in use, is oriented towards the body of the wearer.

Provided is a zipper structure for suitcases, including a zipper strip. The zipper strip includes a front chain belt and a rear chain belt, and also includes a front rubber strip and a rear rubber strip. The front rubber strip is bonded on the front case of the suitcase by thermal pressing. The rear rubber strip is bonded on the rear case of the suitcase by thermal pressing. The front chain belt is connected to the front rubber strip through the front zipper fixing coil. The rear chain belt is connected to the rear rubber strip through the rear zipper fixing coil. Also disclosed is a trolley bag utilizing the zipper structure for suitcases as described. The zipper structure and trolley bag as provided cancels the traditional manual sew process and realize the automatic production for zipper suitcases.

Provided is a zipper structure for suitcases, including a zipper strip. The zipper strip includes a front chain belt and a rear chain belt, and also includes a front rubber strip and a rear rubber strip. The front rubber strip is bonded on the front case of the suitcase by thermal pressing. The rear rubber strip is bonded on the rear case of the suitcase by thermal pressing. The front chain belt is connected to the front rubber strip through the front zipper fixing coil. The rear chain belt is connected to the rear rubber strip through the rear zipper fixing coil. Also disclosed is a trolley bag utilizing the zipper structure for suitcases as described. The zipper structure and trolley bag as provided cancels the traditional manual sew process and realize the automatic production for zipper suitcases.

Golf bag and shoulder strap comprising: elongated tubular body for holding golf clubs; shoulder strap assembly comprising a pre-curved strap pad having a first end, a second end, and being configured to slidably receive a strap; the strap having a first strap end and a second strap end, each attached to the elongated tubular body; the pre-curved strap pad being positioned in a predetermined location on a wearer's front, shoulder and back when the golf bag is mounted on the wearer. Strap may be slidably received within a buckle and either (i) an interior channel that extends within the pre-curved strap pad between the first end and the second end; or (ii) slots and/or tabs that are positioned along a top exterior portion of the pre-curved strap pad that does not contact the wearer's front, shoulder and back when the golf bag is mounted on the wearer.

Golf bag and shoulder strap comprising: elongated tubular body for holding golf clubs; shoulder strap assembly comprising a pre-curved strap pad having a first end, a second end, and being configured to slidably receive a strap; the strap having a first strap end and a second strap end, each attached to the elongated tubular body; the pre-curved strap pad being positioned in a predetermined location on a wearer's front, shoulder and back when the golf bag is mounted on the wearer. Strap may be slidably received within a buckle and either (i) an interior channel that extends within the pre-curved strap pad between the first end and the second end; or (ii) slots and/or tabs that are positioned along a top exterior portion of the pre-curved strap pad that does not contact the wearer's front, shoulder and back when the golf bag is mounted on the wearer.

Golf bag strap systems and methods to manufacture the same are generally described herein. In one example a strap system may include a strap connector having a body portion, a plurality of slots in the body portion, and a plurality of ports extending orthogonally into the plurality of slots. The strap connector may include a plurality of self-adjusting strap fitments pivotally coupled to the strap connector. Each of the plurality of self-adjusting strap fitments may independently self-pivot relative to the strap connector. Other examples may be described and claimed.

Golf bag strap systems and methods to manufacture the same are generally described herein. In one example a strap system may include a strap connector having a body portion, a plurality of slots in the body portion, and a plurality of ports extending orthogonally into the plurality of slots. The strap connector may include a plurality of self-adjusting strap fitments pivotally coupled to the strap connector. Each of the plurality of self-adjusting strap fitments may independently self-pivot relative to the strap connector. Other examples may be described and claimed.