Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIXER PORTA MA NIEVES
Original Assignee
GUIXER PORTA MA NIEVES
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUIXER PORTA MA NIEVESfiledCriticalGUIXER PORTA MA NIEVES
Priority to ES1974206513UpriorityCriticalpatent/ES206513Y/en
Publication of ES206513UpublicationCriticalpatent/ES206513U/en
Application grantedgrantedCritical
Publication of ES206513YpublicationCriticalpatent/ES206513Y/en
An improved screw, characterized by having on the head a profile made by curved recesses and projections determined by a rectilinear generatrix that moves parallel to the axis of the screw, determining alternating convex concave profiles intended to receive a conjugated element for tightening or loosening and said concave-convex successive surfaces being able to be made on the outer surface of the screw head as well as in an internal hollow of the screw head. Whatever may be the circumstances that concur in the essentiality of the utility model, defined in the previous claim, whose purpose is: (Machine-translation by Google Translate, not legally binding)
ES1974206513U1974-10-021974-10-02
A PERFECTED SCREW.
ExpiredES206513Y
(en)