Security fastener

A security fastener 10 for use with a corresponding driver comprises a shank 14 defining a longitudinal centre axis 16 and a head 12 having a face for mating with a corresponding security bit of the driver. The face includes at least one recess 26,28 for receiving a corresponding projection of the b...

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Bibliographic Details
Main Author Christopher Stephen Andrew Biggadike
Format Patent
LanguageEnglish
Published 13.03.2024
Subjects
BLASTING
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
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HAND TOOLS
HEATING
LIGHTING
MANIPULATORS
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
THERMAL INSULATION IN GENERAL
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
WEAPONS
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Summary:A security fastener 10 for use with a corresponding driver comprises a shank 14 defining a longitudinal centre axis 16 and a head 12 having a face for mating with a corresponding security bit of the driver. The face includes at least one recess 26,28 for receiving a corresponding projection of the bit. The head 12 has 1-fold rotational symmetry about the longitudinal centre axis 16 of the shank 14 and a maximum of 1 mirror plane containing the longitudinal centre axis 16, such that mating of the corresponding projection of the driver with any of the at least one recesses 26, 28 is achievable only when the driver is in a single angular position with respect to the head 12. The face has a first surface 24 and the at least one recess 26, 28 is defined within the first surface 24. The longitudinal centre axis 16 intersects the first surface 24.
Bibliography:Application Number: GB20220002581