Security fastener

A fastener having a head is provided. The fastener includes a unidirectional inner drive including an inner lobe having an inner ramp surface adjacent to an inner drive abutment surface adapted to receive a torque to effect a clockwise rotation of the fastener. The fastener further includes a concen...

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Bibliographic Details
Main Authors Spaulding, Todd Curtis, Pais, Cecil Michael, Deurloo, Brian J, Pai, Mihir M
Format Patent
LanguageEnglish
Published 05.03.2019
Subjects
BLASTING
CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY
CONTROLLING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
REGULATING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A fastener having a head is provided. The fastener includes a unidirectional inner drive including an inner lobe having an inner ramp surface adjacent to an inner drive abutment surface adapted to receive a torque to effect a clockwise rotation of the fastener. The fastener further includes a concentric unidirectional outer drive including an outer lobe having an outer ramp surface adjacent to an outer drive abutment surface adapted to receive an inverse torque to effect a counter-clockwise rotation of the fastener.
Bibliography:Application Number: US201715696893