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US 2020/0205871 A1Published application
Screw drive having integrated torque security
AssigneeSyntellix AG
InventorsJan Marten Seitz, Ute Urban, Nils Heinemann
Life of this patent
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Abstract
The present invention relates to a screw drive having integrated torque protection, wherein two screw drives are incorporated in a screw head, one drive being an internal polygonal drive and the second drive being an internal multilobular drive. In addition, the invention relates to a screw having a screw drive.
Claims9
A screw having a screw drive comprising
- two screw drives incorporated in a screw head, wherein a first screw drive is an internal polygonal drive, and
- a second screw drive is an internal multilobular drive,
- wherein
- the internal multilobular drive is a screw drive in the form of a multi-ray star, in which the rays are formed in the shape of rounded points or other shapes of the points,
- the first and second screw drives comprise an integrated torque protection, and
- when a torque adapted to the design of the screw is exceeded, the points enabling the drive break off, shear or are pressed flat to prevent damage to the thread and the screw shaft, or prevent the screw head from tearing off.
3 more elements
(canceled)
Dependencies are inferred from the claim text.