ES1019031U - Perfected for shopping carts and similar frame. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved car buying and similar to remain of a kind including four wheels, including two larger diameter than the other, and presenting the possibility of supporting directly on four wheels or only on two major wheels, rack being the lesser wheels mounted on the ends of the bars forming the main reinforcement of the frame, while the wheels elderly are mounted on bars articulating on the annotated rods forming casting or armor general essentially characterized in that the linkage rods relating to the wheels seniors are materialized by respective pieces of elastic material, such as plastic, set triangular, incorporated each one of two plates facing each other, internally forming a groove positioned for bars of general armor or casting, being fixed by rivets or pins transver sales, with the difference that in addition to esa groove positioning bars of general armor determainan between the two plates facing each triangular piece another pair of corrugations at an angle to one another and where it is capable of being positioned, in one or otherwise, applicable bar wheel assembly mayor, remaining esa articulada bar between the two forming plates piece triangular by means of a bolt or rivet set out in correspondence with angle area or intersection of the two grooves, so that the positioning bars of older wheels in one of grooves determined that the four wheels lie on the floor while positioning in the other groove, which accessed by simple push and strain stretch of plates two piece triangular conformantes, involves supporting older only in two wheels. (Machine-translation by Google Translate, not legally binding)