Abstract: Some embodiments are directed to a backpack comprising a storage envelope with shoulder straps, a rigid cover covering the top of the envelope, a fixed frame secured to the cover and comprising at least one lower bearing surface, a movable frame that is articulated to the cover or to the fixed frame, with a lower bearing surface and that is able to move between a stowed position and a deployed position, the frames being arranged such that, in the deployed position, the lower bearing surfaces are arranged around the envelope such that the backpack can be placed stably on these lower bearing surfaces, the frames forming the support for the cover.

Abstract: An automatic trippling rescue system is intended to rapidly and automatically make a rescued person integral with a rescue link (2). It is essentially comprised of a mobile inflatable sleeve (6), the axial displacement of which around the forearm of the rescued person and then the inflation thereof are automatically tripped by the mere grasping of a handle (23).This system applies to rescue at sea, in mountains, holes, crevasses, etc.