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Priority to ES1972182436UpriorityCriticalpatent/ES182436Y/en
Publication of ES182436UpublicationCriticalpatent/ES182436U/en
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Publication of ES182436YpublicationCriticalpatent/ES182436Y/en
Improved billiard ball driving device, of the type of those that structure a sliding bushing, internally incorporated to one of the ends of a tubular casing, closed by said terminal by means of a removable plug, whose bushing projects a radial sector, emerging to the exterior through an arbitrary longitudinal notch in the casing, finishing off and/or being connected to/on a suitable actuating handle, in whose sleeve axial insertion, at its rear end, a conventional segment of billiard cue, characterized, to include a helical expansion spring, wound, with predetermined slack, on the terminal area of the billiard block section and in free mechanical work exercise, linked by each of its ends, respectively, to a point of the casing located in front of the cap and another point of the latter, so that the aforementioned spring works by exerting a permanent effort on the helmet llo, to locate it in the extreme front position of its optional functional path. (Machine-translation by Google Translate, not legally binding)
ES1972182436U1972-07-141972-07-14
IMPROVED DEVICE FOR BILLIARD BALLS, PERFECTED.
ExpiredES182436Y
(en)