A two-piece hinged hard shell plastic frame includes a set of shoulder straps. Additionally, the backpack includes a pair of triangle shaped wheels for climbing stairs and a retractable pull handle. A concave back plate structure is positioned on the rear of the backpack for conforming to a person's back. A concave head rest portion is also included on the top end of the backpack which provides a comfortable resting area for a user's head. Furthermore, multiple mesh net style pockets on the exterior of the case for holding various items is provided.

The backpack encompasses a box-shaped storage-compartment having first and second main surfaces opposite to each other and a triple-sided surface whereby triple continuous sides of the first main surface and triple sides of the second main surface opposite thereto are connected to each other, and a back plate encompassing a joint plane opposite to the first main surface and a backrest plane opposite to the joint plane. A convex element is disposed on one of the first main surface or the joint plane, and an insertion hole with a structure matching the convex element is disposed on a position on the other of the first main surface or the joint plane corresponding to the convex element. The storage-compartment and the back plate can be freely attached to and detached from each other by placing the convex element into the insertion hole and separating the convex element from the insertion hole.

The backpack encompasses a box-shaped storage-compartment having first and second main surfaces opposite to each other and a triple-sided surface whereby triple continuous sides of the first main surface and triple sides of the second main surface opposite thereto are connected to each other, and a back plate encompassing a joint plane opposite to the first main surface and a backrest plane opposite to the joint plane. A convex element is disposed on one of the first main surface or the joint plane, and an insertion hole with a structure matching the convex element is disposed on a position on the other of the first main surface or the joint plane corresponding to the convex element. The storage-compartment and the back plate can be freely attached to and detached from each other by placing the convex element into the insertion hole and separating the convex element from the insertion hole.

A harness system and a belt for carrying a hunting tree stand are described. The belt includes a body panel that attaches to a first elongated member and a second elongated member. A panel strap extends from one of the first elongated member and the second elongated member. A side buckle attaches to another one of the first elongated member and the second elongated member. The side buckle is configured to be operationally coupled with the panel strap. The side buckle and the panel strap are configured to tighten around and secure the belt to the user. A first hunting tree stand strap and a second hunting tree stand strap extend from the body panel. The first hunting tree stand strap and the second hunting tree stand strap are configured to firmly hold the first section of the hunting tree stand against the body panel.

A harness system and a belt for carrying a hunting tree stand are described. The belt includes a body panel that attaches to a first elongated member and a second elongated member. A panel strap extends from one of the first elongated member and the second elongated member. A side buckle attaches to another one of the first elongated member and the second elongated member. The side buckle is configured to be operationally coupled with the panel strap. The side buckle and the panel strap are configured to tighten around and secure the belt to the user. A first hunting tree stand strap and a second hunting tree stand strap extend from the body panel. The first hunting tree stand strap and the second hunting tree stand strap are configured to firmly hold the first section of the hunting tree stand against the body panel.

An embodiment of the present disclosure of an article that includes a lumbar support member, internal frame assembly, and sternum strap for improving stability during use.

An embodiment of the present disclosure of an article that includes a lumbar support member, internal frame assembly, and sternum strap for improving stability during use.

A backpack includes an upper cross member having a first end and a second end, and a lower cross member offset vertically from the upper cross member and having a third end and a fourth end. The frame includes a first rail connected to the upper cross member at the first end and the lower cross member inwards of the third end, and a second rail fixed to the upper cross member inwards from the first end and the lower cross member at the third end.

A backpack includes an upper cross member having a first end and a second end, and a lower cross member offset vertically from the upper cross member and having a third end and a fourth end. The frame includes a first rail connected to the upper cross member at the first end and the lower cross member inwards of the third end, and a second rail fixed to the upper cross member inwards from the first end and the lower cross member at the third end.

A harness for a battery pack that can be worn on the back and that supplies electrical energy to hand-held electrical tools includes a support base and a support strap unit for the support base, as well as a holding device for releasably holding a battery pack in a support position on the support base. The holding device has a docking mechanism on the support base for pivotably docking the battery pack in a docking position, and a securing mechanism on the support base for securing the battery pack in the support position pivoted in towards the support base with respect to the docking position. The docking mechanism is arranged on a lower region of the support base.