US 11,946,499 B2
Expansion anchor with sleeve abutment walls
Tanja Steinberg, Buchs (CH); Hideki Shimahara, Grabs (CH); Yijun Li, Buchs (CH); Matteo Spampatti, Addison, TX (US); Christian Wachter, Buers (CH); Guenter Domani, Weissenberg (DE); and James Ary, Denton, TX (US)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 16/650,770
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Oct. 17, 2018, PCT No. PCT/EP2018/078401
§ 371(c)(1), (2) Date Mar. 25, 2020,
PCT Pub. No. WO2019/081300, PCT Pub. Date May 2, 2019.
Claims priority of application No. 17198246 (EP), filed on Oct. 25, 2017.
Prior Publication US 2020/0224695 A1, Jul. 16, 2020
Int. Cl. F16B 13/06 (2006.01)
CPC F16B 13/065 (2013.01) 61 Claims
OG exemplary drawing
 
1. An expansion anchor comprising:
an anchor bolt;
an expansion sleeve surrounding the anchor bolt; and
an expansion body located in a front region of the anchor bolt, the expansion body having a converging zone for expanding the expansion sleeve, the expansion body having at least one expansion sleeve abutment wall facing the expansion sleeve in an axial direction,
the expansion body having at least one abutment wall recess configured to receive a section of the expansion sleeve.