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.)
Phillips Screw Co
Original Assignee
Phillips Screw Co
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 Phillips Screw CofiledCriticalPhillips Screw Co
Priority to ES0033192UpriorityCriticalpatent/ES33192U/en
Publication of ES33192UpublicationCriticalpatent/ES33192U/en
Hand Tools For Fitting Together And Separating, Or Other Hand Tools
(AREA)
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
Screwdriver for special screws with a sunken head, characterized in that it has a cruciform tip that includes fins and channels or alternating recesses with convergent walls towards the free end of the cited tip, so that their intersections with a plane parallel to the axis of said point and transverse to the fin, form an angle of 8 to 10º and converge outward from the axis of the aforementioned tip, so that their intersections with a plane normal to the mentioned axis, form an angle of 2 to 4 degrees. (Machine-translation by Google Translate, not legally binding)
ES0033192U1952-10-311952-10-31Screwdriver for special sunken head screws (Machine-translation by Google Translate, not legally binding)
PendingES33192U
(en)