Abstract 1,063,156. Hinging lids. DE LUXE READING CORPORATION. Feb. 15, 1966 [May 24, 1965], No. 6473/66. Heading B8P. A hinge joining two box parts comprises a tongue (17), Fig. 4 (not shown), integral with one box part and joined to it along a flexible area (18) defining the hinge axis, outwardly extending wings (21) integral with the tongue, a pair of slots (23) in the second box part to receive said wings, each wing having a hooked end (22) that engages a slot margin to hold the tongue flat against the area (24) between the slots, said tongue and the area between the slots being resilient so that the tongue may be forced over a wedge-shaped boss (25) on the said area between the slots to lock the parts together. The box may comprise a polypropylene base portion on which the flexible hinge axis may be formed and a clear plastics cover portion.
A HINGE CONSTRUCTION CONNECTING TWO WALLS OF A BOX IN EDGE-TO-EDGE RELATION, COMPRISING A TONGUE FORMED AS AN INTEGRAL PART OF THE FIRST WALL AND JOINED TO IT ALONG A FLEXIBLE AREA DEFINING THE HINGE AXIS, A PAIR OF WINGS INTEGRAL WITH THE TONGUE AND EXTENDING FROM ITS SIDE EDGES ALONG DIRECTIONS TRANSVERSE TO THE HINGE AXIS, A PAIR OF SLOTS IN THE SECOND WALL PERPENDICULAR TO ITS EDGE AND SPACED TO RECEIVE SAID WINGS, EACH WING HAVING A HOOKED END THAT ENGAGES THE SLOT MARGIN TO HOLD THE TONGUE FLAT AGAINST THE AREA BETWEEN THE SLOTS, SAID AREA BEARING A WEDGE-SHAPED BOSS WHOSE BLUNT END DEFINES A SHOULDER FACING AWAY FROM THE HINGE AXIS, AND THE TONGUE BEING PROVIDED WITH AN OPPOSITELY FACING COMPLEMENTARY SHOULDER, SAID TONGUE AND THE AREA BETWEEN THE SLOTS BEING RESILIENTLY DEFLECTABLE SO THAT THE TONGUE CAN BE FORCED OVER SAID BOSS TO BRING SAID SHOULDERS INTO INTERLOCKED RELATION.
Claim 2
Dependent Claim
154 words
A HINGE CONSTRUCTION CONNECTING TWO WALLS OF A BOX IN EDGE-TO-EDGE RELATION, COMPRISING A TONGUE FORMED AS AN INTEGRAL PART OF THE FIRST WALL AND JOINED TO IT ALONG A FLEXIBLE AREA DEFINING THE HINGE AXIS, A PAIR OF WINGS INTEGRAL WITH THE TONGUE AND EXTENDING FROM ITS SIDE EDGES ALONG DIRECTIONS TRANSVERSE TO THE HINGE AXIS, A PAIR OF SLOTS IN THE SECOND WALL PERPENDICULAR TO ITS EDGE AND SPACED TO RECEIVE SAID WINGS, EACH WING HAVING A HOOKED END THAT ENGAGES THE SLOT MARGIN TO HOLD THE TONGUE FLAT AGAINST THE AREA BETWEEN THE SLOTS, SAID AREA BEARING A WEDGE-SHAPED BOSS WHOSE BLUNT END DEFINES A SHOULDER FACING AWAY FROM THE HINGE AXIS, AND THE TONGUE BEING PROVIDED WITH AN OPPOSITELY FACING COMPLEMENTARY SHOULDER, SAID TONGUE AND THE AREA BETWEEN THE SLOTS BEING RESILIENTLY DEFLECTABLE SO THAT THE TONGUE CAN BE FORCED OVER SAID BOSS TO BRING SAID SHOULDERS INTO INTERLOCKED RELATION.