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Priority to ES1972181763UpriorityCriticalpatent/ES181763Y/en
Publication of ES181763UpublicationCriticalpatent/ES181763U/en
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Publication of ES181763YpublicationCriticalpatent/ES181763Y/en
Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting
(AREA)
Abstract
Billiard ball drive device, characterized in that it comprises a sliding bushing internally incorporated in one of the ends of a cylindrical tubular casing, on which bushing a permanent helical spring exerts permanent axial pressure, supported on the removable plug closing the casing by said casing. End and because in addition said sleeve projects, radially, a sector or trigger, in it threaded, emerges to the outside according to a longitudinal recess made in the wall of the housing, which delimits the optional axial movement of the socket inside the same (Machine-translation by Google Translate, not legally binding)
ES1972181763U1972-06-221972-06-22
DRIVING DEVICE FOR BILLIARD BALLS.
ExpiredES181763Y
(en)