Patent ID: 11859647
Assignee: HILTI AKTIENGESELLSCHAFT
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A fastener, comprising:
a main body with a through hole longitudinally formed therein, wherein the main body comprises:
a tubular portion that defines walls surrounding an upper part of the through hole; and
a split portion that extends from a lower end of the tubular portion, wherein the split portion longitudinally comprises a tapered section that tapers with a first taper in a direction towards the tubular portion and away from a base section that (a) tapers towards the tapered section with a second taper that is less than the first taper and (b) is located at a terminal distal end of the split portion opposite the tubular portion; and

an expansion sleeve annularly surrounding the split portion, wherein the expansion sleeve longitudinally extends at least to a lower end of the tapered section.