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Priority to ES281401ApriorityCriticalpatent/ES281401A1/en
Publication of ES281401A1publicationCriticalpatent/ES281401A1/en
Devices For Conveying Motion By Means Of Endless Flexible Members
(AREA)
Abstract
System of change of speeds for drills, characterized by the coupling of a head or housing of two flanges-supports of two mobile pulleys, one of them corresponding to the engine and the other intermediate between the previous one and a third fixed pulley. (Machine-translation by Google Translate, not legally binding)
ES281401A1962-10-091962-10-09System of change of speed for drills (Machine-translation by Google Translate, not legally binding)
ExpiredES281401A1
(en)