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:
Oct. 21, 2014
Filed:
Nov. 18, 2011
John Wentworth Bucknell, Indooroopilly, AU;
John Wentworth Bucknell, Indooroopilly, AU;
Other;
Abstract
Hydraulically assisted fastener () comprises a body () with a central bore () to engage a connector element () and with an annular recess () opening outwards to an end surface (). Annular thrust member () fits into and seals the recess (). Charging medium () is injected under pressure into annular chamber () defined by recess () and member () and moves body () relative to member () to tension element (). Medium () sets in chamber () to maintain the tension in element (). Element () may be a bolt or stud, body () can be a nut and member () can be a plan washer. Medium () can be a curable viscous paste, a suspended solid in a self-setting compound or a particulate solid which behaves as a fluid. Suitable materials include graphite, and lead, copper or steel balls.