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Priority to ES1969146175UpriorityCriticalpatent/ES146175Y/en
Publication of ES146175UpublicationCriticalpatent/ES146175U/en
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Publication of ES146175YpublicationCriticalpatent/ES146175Y/en
Improved head for polishing machines, essentially characterized in that the grinding cone comprising it is related to the driving shaft by a crosspiece articulated transversely to said cone by two of its antagonistic arms and its other two arms are articulated to a fork integral with said driving shaft, said crosshead having a central hole through which the prolonged end of the drive shaft passes which in turn constitutes the water conduit, while said spoke holder has a peripheral upper seat for the end of a helical spring and coaxial to the drive shaft; another, butt ends in a disk attached to said axis; so that the cone, said crosshead and joint fork of drive shaft, constitute a cardan joint stabilized by said spring. (Machine-translation by Google Translate, not legally binding)
ES1969146175U1969-03-031969-03-03
PERFECTED HEAD FOR POLISHING MACHINES.
ExpiredES146175Y
(en)
Saw machine of circular discs with quick and voluntary variation between the two threads of cut that simultaneously makes (Machine-translation by Google Translate, not legally binding)