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US 2016/0108948 A1Published application
Anchoring System
AssigneeLudwig Hettich Holding GmbH & Co. KG
InventorStefan Hettich
Life of this patent
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Abstract
The disclosure relates to an anchor system having an internally threaded anchor and a bolt or shaft screwed together with said anchor for holding an add-on component in a hole that is pre-drilled into a wall made of concrete or brick work, characterized in that the bolt of shaft comprises a coil spring which is wound suitably to the inner thread of the internally threaded anchor and screwed into said inner thread.
Claims14
An anchoring system comprising:
- an internally-threaded anchor including an internal thread;
- and
- a pin or shaft screwed to the internally-threaded anchor for fixing an attachment in a hole pre-drilled in a wall made of concrete or brick, wherein the pin or shaft comprises a coil spring, which is coiled such that the coil spring fits the internal thread of the internally-threaded anchor and is screwed into the internal thread.
Dependencies are inferred from the claim text.