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Priority to ES109084UpriorityCriticalpatent/ES109084Y/en
Publication of ES109084UpublicationCriticalpatent/ES109084U/en
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Publication of ES109084YpublicationCriticalpatent/ES109084Y/en
Joint mechanism for armchairs and the like essentially characterized in that being of the type comprising connecting rods that join a foot jointed to the front of the seat is constituted primarily by a frame fixed to a static area of the chair which comprises sets of articulated rods in parallelogram, the upper part of said connecting rods being provided with anchoring holes on the sides of the seat and each set of said connecting rods comprising the incorporation of two other connecting rods articulated to each other in angular relation of which one is of less length than the upper connecting rod. Each game being arranged articulated to a vortex of the parallelogram while the other is articulated in another vertex of the diagonal opposite parallel to the first and because these last connecting rods are articulated to those that join the foot of the chair in such a way that the push towards behind the seat of the latter causes the rotation of the sets of articulated rods and the forward projection of the other rods linked to the footwell with - which determines the automatic elevation thereof. (Machine-translation by Google Translate, not legally binding)
ES109084U1964-10-241964-10-24
AN ARTICULATION MECHANISM FOR SEATS AND THE LIKE.
ExpiredES109084Y
(en)