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Priority to ES1969146190UpriorityCriticalpatent/ES146190Y/en
Publication of ES146190UpublicationCriticalpatent/ES146190U/en
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Publication of ES146190YpublicationCriticalpatent/ES146190Y/en
Improved frame, for chairs, of the type formed by four stringers, two rear and two lateral, which are joined to each other, respectively, in the legs, rear and anterior, by connecting spikes, characterized in that the stringers converge on each leg mentioned, they are mechanically joined to each other, through four stiffening pieces, basically triangular in plan, which connect with the aforementioned stringers, by means of a tongue and groove coupling of vertical coupling, type "dovetail", with which, through said pieces, achieves a structural frame dynamically rigid, lacking clearances susceptible to cause deformations and, therefore, endowed with a great mechanical resistance. (Machine-translation by Google Translate, not legally binding)
ES1969146190U1969-03-041969-03-04
PERFECTED CASE FOR CHAIRS.
ExpiredES146190Y
(en)
An angular piece for the joining of the rods and traviesas of a frame of support of three parts. (Machine-translation by Google Translate, not legally binding)