ES239488U - A cart for the suspension of sliding doors (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

A trolley for the suspension of sliding doors, of the type that are intended to circulate inside an inverted u-section rail, with the side branches bent inferiorly inwards and upwards forming respective raceways, the trolley being provided of two pairs of wheels, each of which rolls on a raceway, and the wheels being mounted on fixed axes to a frame associated with a threaded pin of essentially vertical support, fixed to the upper edge of the door, characterized in that said frame comprises a pair of longitudinal beams, equal, parallel and carrying each of the axes of a pair of wheels, rigidly joined together at their ends by pairs of transverse bolts, being arranged articulately swinging between both beams a quadrangular prismatic piece flat, provided in its longitudinal edges with two short cylindrical projections adapted for intro to be rotated freely, in the manner of half-axes, in respective holes made in the longitudinal members, while in the transversal edges the lateral branches of a u-piece are fixed by means of bolts on which they can rotate hingedly in a tilting movement, the central branch of said U-shaped part is provided with a threaded hole in which the threaded shank for supporting the door is screwed, the upper end of which passes through a wide central hole made in the flat quadrangular prismatic piece, being able to adjust the height of the door by the greater or lesser twisting of the spike in the central branch of the u-piece and said upper end of the spike with respect to the rail being at a higher height the higher the door is, while the head of the spike the pin is arranged at the lower end thereof and at a fixed height with respect to the edge of the door. (Machine-translation by Google Translate, not legally binding)