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:
Nov. 25, 2003
Filed:
Oct. 17, 2001
Armin Hoffmann, Landsberg, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A connection element for a bolt ( ) including a member ( ) for receiving the bolt ( ) and having a bore ( ) through which the bolt ( ) extends, a spring ( ) located in the bore ( ) of the receiving member ( ) for locking the bolt ( ) therein, and two, displaceable relative to each other, coaxial with each other and with the spring ( ), cone sleeves ( ) located in the bore ( ) of the receiving member ( ) and having each a through-bore ( ) which expands conically at its end adjacent to the spring ( ) and has a largest inner diameter, which is larger than an outer diameter of the spring ( ), and a smallest diameter which is smaller than the outer diameter of the spring ( ) but is at least equal to a diameter of the bolt.