Abstract: Various joints within a duct assembly to allow relative movement between portions of a fluid system which are interconnected by this duct assembly are disclosed. This duct assembly is particularly suited for interconnecting a rocket fuel tank and rocket engine of a space travel vehicle. In any case, this duct assembly includes a pair of duct suctions, each of which includes a gimbal on an end thereof. The opposite ends of these two duct sections are disposed in a telescope-like arrangement with a slip joint therebetween to allow the duct sections to move at least generally axially relative to each other. This slip joint includes a pair of longitudinally spaced bushings, between which are disposed a plurality of annular seals. The bushings inhibit contain between the two duct sections by maintaining the same in spaced relation.

Abstract: Various joints within a duct assembly to allow relative movement between portions of a fluid system which are interconnected by this duct assembly are disclosed. This duct assembly is particularly suited for interconnecting a rocket fuel tank and rocket engine of a space travel vehicle. In any case, this duct assembly includes a pair of duct suctions, each of which includes a gimbal on an end thereof. The opposite ends of these two duct sections are disposed in a telescope-like arrangement with a slip joint therebetween to allow the duct sections to move at least generally axially relative to each other. This slip joint includes a pair of longitudinally spaced bushings, between which are disposed a plurality of annular seals. The bushings inhibit contain between the two duct sections by maintaining the same in spaced relation.

Abstract: Various joints within a duct assembly to allow relative movement between portions of a fluid system which are interconnected by this duct assembly are disclosed. This duct assembly is particularly suited for interconnecting a rocket fuel tank and rocket engine of a space travel vehicle. In any case, this duct assembly includes a pair of duct suctions, each of which includes a gimbal on an end thereof. The opposite ends of these two duct sections are disposed in a telescope-like arrangement with a slip joint therebetween to allow the duct sections to move at least generally axially relative to each other. This slip joint includes a pair of longitudinally spaced bushings, between which are disposed a plurality of annular seals. The bushings inhibit contain between the two duct sections by maintaining the same in spaced relation.

Abstract: A shoe heel protector for the protection of the heel and counter of the shoe of a vehicle driver, is formed of an elongate blank of flat, planar leather, vinyl, or other suitable material. The protector includes a relatively wide center area, about which a plurality of darts are cut or otherwise formed. These darts are then sewn or otherwise secured together along their respective facing edges, to gather the periphery of the central area together to form a heel pocket therein. The heel pocket is then placed over the lower rear edge of the shoe heel, with the opposite elongate straps of the protector being secured together over the top of the shoe or foot by mating hook and loop fastening material or other suitable fastening devices. The protector is held securely in place about the shoe and foot of the driver, as the protector cannot move upwardly due to the portion of the pocket positioned beneath the heel, and cannot move forwardly due to the back wall of the pocket positioned behind the heel and counter.