ES208925A2 - Improvements in the devices for the automatic closure of doors, windows and analogs (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in the devices for the automatic closure of doors, windows and analogs (Machine-translation by Google Translate, not legally binding)
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BASAS BARDAJI TEODORO
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BASAS BARDAJI TEODORO
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Priority to ES0208925ApriorityCriticalpatent/ES208925A2/en
Publication of ES208925A2publicationCriticalpatent/ES208925A2/en
Improvements in the object of the main patent consisting essentially of mounting the coil spring or spring that makes the closure fixed on one side to a point oscillating with respect to the frame and acting on the opposite on a lever that works on the wing to cause movement of closing working in this way the spring with a constant tension throughout the course of the wing. (Machine-translation by Google Translate, not legally binding)
ES0208925A1953-04-161953-04-16Improvements in the devices for the automatic closure of doors, windows and analogs (Machine-translation by Google Translate, not legally binding)
ExpiredES208925A2
(en)