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Priority to ES1969145928UpriorityCriticalpatent/ES145928Y/en
Publication of ES145928UpublicationCriticalpatent/ES145928U/en
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Publication of ES145928YpublicationCriticalpatent/ES145928Y/en
Support device in rotation for boards on tubular supports, working in alignment with another symmetrically placed analogous device, characterized in that the tubular support has a hole that runs radially through its wall, which serves as anchor to the threaded end of a screw whose body passes through axially the central hole of a sleeve of suitable plastic material and whose head, interposed by a flat metal washer, tightly attached to the tubular support to said sleeve, which passes through a transverse hole belonging to a wooden crossbar fixed to the lower side of the board, said hole being of smaller length than the cylindrical body of the sleeve and having, on the opposite side to the metal support, an enlargement of diameter able to admit with ease the aforesaid flat washer and the head of the anchoring screw. (Machine-translation by Google Translate, not legally binding)
ES1969145928U1969-02-221969-02-22
ROTARY SUPPORT DEVICE FOR BOARDS ON TUBULAR SUPPORTS.
ExpiredES145928Y
(en)