Abstract: A road traffic warning light has a block-shaped housing composed of superposed housing elements. Adjacent housing elements are interconnected by a joint so that they may be folded to collapse the housing while the housing elements form a column when erected. A warning light transmitter is mounted on each housing element.

Abstract: A rucksack assembly including a plurality of hollow container sections to be stacked vertically, with each section provided with support flaps along the upper and lower opening edges thereof circumferentially being furnished with respectively a part of a divisible connecting element and with covering and bottom faces of corresponding sizes being disposed on the top and bottom of each section and the same along the free edges thereof being provided with corresponding opposite connecting elements.

Abstract: Safeguarding device for skis and ski poles, consisting of two oppositely arranged lockable clamp members which are connected by a cable. The lockable clamp members each have two substantially semicircular recesses to receive the two ski poles. The two clamp members are arranged for locking by a lock. The connecting cable is placed around the skis in the area of the binding and around a stationary support such as a fence, a railing, a ski rack or the like.