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Individual
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Individual
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Priority to ES0202905UpriorityCriticalpatent/ES202905U/en
Publication of ES202905UpublicationCriticalpatent/ES202905U/en
Return device for doors and the like, characterized essentially by the fact that it consists of a strut with one of its ends joined to a tension spring mounted in a box integral with the door leaf, and the other end joined to a ring whose inner contour forms two symmetrical curvatures that press against eccentric lugs fixed to an immobile head carrying the axis around which the door revolves, whose ring acts as a cam in relation to the lugs when the door leaf is angularly displaced and with it the ring, forcing the tension described, which tends to return the leaf to its resting position. (Machine-translation by Google Translate, not legally binding)
ES0202905U1974-05-081974-05-08Return device for doors and similars (Machine-translation by Google Translate, not legally binding)
PendingES202905U
(en)
A device and procedure for sealing envelopes of small and average rigidity, through metal bands with seaming (Machine-translation by Google Translate, not legally binding)