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Individual
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Individual
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Priority to ES104640UpriorityCriticalpatent/ES104640U/en
Publication of ES104640UpublicationCriticalpatent/ES104640U/en
Improved folding bed characterized by the fact that in the same mobile folding frame on a fixed vertical box is subject to the action of spiral springs that have their front end fixed in the frame and the subsequent to a cable through the the throat of a pulley mounted on the rear end of the same is in turn fixed to a fixed base preferably at a point conveniently advanced with respect to the horizontal projection of the axis of the pulley as the bed is in the position of use appropriately so that the tension of the aforementioned springs balances the weight of the frame with its annexes. (Machine-translation by Google Translate, not legally binding)
ES104640U1964-02-261964-02-26Improved folding bed (Machine-translation by Google Translate, not legally binding)
PendingES104640U
(en)