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. 18, 2012
Filed:
Jun. 17, 2005
Applicant:
John Wentworth Bucknell, Indooroopilly, AU;
Inventor:
John Wentworth Bucknell, Indooroopilly, AU;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B21D 39/00 (2006.01); F16B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Axially expandable spacers () are insertable between a nut (), on a bolt () to be tensioned, and a face (F) on a component (C) and have ramp faces () to take up the space as the bolt () is tensioned by an hydraulic tensioner (), where the puller bar () is engaged with an extension () on the nut (). A segmented collar () has radially movable segments () to allow quick engagement/release between the puller bar () and the end of the bolt () on the nut ().