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:
May. 12, 2009
Filed:
May. 04, 2005
Applicants:
John Francis Kennedy, St Agnes, AU;
Mathew John Kennedy, Holden Hill, AU;
Michael Desmond Slattery, Paradise, AU;
Inventors:
John Francis Kennedy, St Agnes, AU;
Mathew John Kennedy, Holden Hill, AU;
Michael Desmond Slattery, Paradise, AU;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a roller assembly for a rotary roller reamer. The roller assembly includes a roller pin and a crushing roller. The crushing roller is arranged to be mounted on the roller pin and to rotate thereabout. The roller assembly is connected together so as to form a single cartridge which can be inserted into a pocket of the rotary roller reamer and secured thereto using a single fastener device.