Abstract: A slide has a pair of identical longitudinally extending and profiled rails each having at least one flange forming two longitudinally extending tracks. The rails are interfitted with the tracks of one rail transversely confronting the tracks of the other rails. Respective longitudinally extending rows of balls engaged in the tracks between the rails.

Abstract: A rail assembly has an elongated upwardly open and elongated metal rail fixed to a car-body support and two confronting and inwardly concave flanges forming transversely inwardly directed faces and an elongated metal rail fixed to a motor-vehicle seat, captured between the flanges, and having two transversely outwardly directed faces generally complementary to and bearing with prestress outwardly on the inwardly directed faces. Respective friction-reducing layers on the faces allow the seat rail to slide smoothly in the body rail.

Abstract: A drawer guide has a longitudinally extending outer rail, a longitudinally extending inner rail nested with the outer rail and forming a longitudinally extending space therewith, and a plurality of balls engaged between the rails and allowing the inner rail to move longitudinally relative to the outer rail. A first latch member extending longitudinally in the space is carried on one of the rails. A second latch member in the space fixed to the other of the rails is latchingly engageable with the first member to prevent longitudianl displacement of the rails.

Abstract: A slide has a pair of identical longitudinally extending and profiled rails each having at least one flange forming two longitudinally extending tracks. The rails are interfitted with the tracks of one rail transversely confronting the tracks of the other rails. Respective longitudinally extending rows of balls engaged in the tracks between the rails.