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:
Apr. 26, 2005
Filed:
May. 18, 2001
Applicants:
Christopher George Lacey, Upwey, AU;
Mark Andrew Lance, Williamstown, AU;
Inventors:
Christopher George Lacey, Upwey, AU;
Mark Andrew Lance, Williamstown, AU;
Assignee:
Davey Products Pty Ltd, Scoresby, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D029/20 ;
U.S. Cl.
CPC ...
Abstract
An impeller assembly includes an impeller which has a pair of plate means adapted for individual connection to a drive shaft for rotation by the drive shaft about an axis, and vane means disposed intermediate the pair of plate means and adapted for rotation with the pair of plate means. The impeller assembly further includes means for applying force parallel to the axis of the impeller to the impeller so as to clamp the pair of plate means and intermediate vane means together.