Patent · US Active

Expansion anchor with additional expansion element

US11852176B2 · kind B2 · utility

0Cited by

10References

14Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Karl Haeussler · Ried, CH
Hideki Shimahara · Grabs, CH
Mareike Frensemeier · Buchs, CH
Yijun Li · Buchs, CH
Wentao Yan · Fremont, US
Arturo Guevara Arriola · Buchs, CH

Key dates

Filing date	Feb 19, 2019
Grant date	Dec 26, 2023
Priority date	—
Expiry date	Oct 27, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16B2013/007
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An expansion anchor includes an anchor bolt and an expansion sleeve which encompasses the anchor bolt. The anchor bolt has an expansion-sleeve expansion region and an expansion-element expansion region. The expansion sleeve has an expansion element which is disposed on the expansion sleeve. The expansion sleeve is radially displaceable by the expansion-sleeve expansion region and the expansion element is radially displaceable by the expansion-element expansion region. The expansion element is disposed on the expansion sleeve on a side of the expansion sleeve that radially faces the anchor bolt.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.