The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 1997
Filed:
Apr. 03, 1996
Franz-Paul Mayr, Hechenwang, DE;
Hilti Aktiengesellschaft, Furstentum, LI;
Abstract
An expansion dowel (1) is formed of an axially extending dowel member (2) having a leading end and a trailing end. The trailing end has an outwardly projecting collar (9) with an expansion region extending axially from the trailing end toward the leading end with at least one axially extending slot (7) or breakout groove therein. The dowel member (2) has a central throughbore (3) arranged to receive an expanding element (8). Throughbore (3) has an inside thread (15) in its leading end region. The expanding element (8) is an axially extending sleeve insertable into the trailing end of the throughbore (3) for expanding the expansion region (6).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile