(57) This system can be usefully employed in the sector of refrigerated or non-refrigerated
counters, especially in that of counters meant for direct sale of food products. The plates (1, 2) on the customer's side move longitudinally along a lower carrying
section (3) provided with two longitudinal slots (8, 9) with horizontal base and horizontal
vault. The base of each slot (8, 9) is provided with a slideway (10, 11) and also
the vault is provided with a slideway (12, 13), all extending longitudinally. Each slot (8, 9) receives a carriage (4, 5); a certain number of bushing holders (14),
whereon bushings (15) engage, is connected to the upper and to the lower part of each
carriage (4, 5); on each of the bushings (15) engages a wheel (16). Said wheels (16)
sliding inside the aforementioned slideways (10, 11, 12, 13). When the plates (1, 2) are opened the portion of their weight formerly carried by
the supporting arms (7) is shifted to the vaults of the aforementioned slots (8, 9)
of the carrying section (3).
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