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:
Mar. 20, 2001
Filed:
Mar. 17, 1999
Applicant:
Inventor:
David William Scott, Ruse, AU;
Assignee:
Bishop Steering Pty Limited, North Ryde, AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23D 5/02 ;
U.S. Cl.
CPC ...
B23D 5/02 ;
Abstract
The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterized in that at least a portion of the floor of one of said slots is convex. Figure depicts sleeve (,) with arcuate slot (,) which has a convex floor and is open ended at both axial extremities of surface (,) of bore (,) of sleeve (,). This slot may preferably be used as a return slot on the sleeve.