Title:
SELF-DRILLING ANCHOR ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2019/140081
Kind Code:
A1
Abstract:
A self-drilling anchor assembly including a drill bit and an anchor positioned over and attached to the drill bit. In various embodiments, the drill bit includes a shank, a drill head integrally connected to one end of the shank, and a threaded tail integrally connected to an opposite end of the shank. The tail includes a mechanical engaging structure that is engageable by a tool to rotate the drill bit, and a helical thread formation to facilitate attachment of a securing device such as nut and washer to the tail of the drill bit. The anchor includes an elongated generally tubular body including an inner surface defining a longitudinally extending inner channel, and a head integrally connected to and extending from a first end of the body. The drill bit is configured to remain in the anchor and in the substrate after installation of the anchor assembly in the substrate.
Inventors:
DILL MICHAEL (US)
MENDEZ JAQUEZ MIGUEL E (US)
VERSINO ANTHONY (US)
MENDEZ JAQUEZ MIGUEL E (US)
VERSINO ANTHONY (US)
Application Number:
PCT/US2019/013035
Publication Date:
July 18, 2019
Filing Date:
January 10, 2019
Export Citation:
Assignee:
ILLINOIS TOOL WORKS (US)
International Classes:
F16B13/00; F16B13/06
Domestic Patent References:
| WO2008041836A1 | 2008-04-10 | |||
| WO2007104094A1 | 2007-09-20 |
Foreign References:
| GB2254392A | 1992-10-07 | |||
| DE3739371A1 | 1989-06-01 | |||
| JP2000230520A | 2000-08-22 | |||
| EP2567107A1 | 2013-03-13 | |||
| US201916243541A | 2019-01-09 |
Attorney, Agent or Firm:
MASIA, Adam H. (US)
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