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. 29, 2012
Filed:
Apr. 08, 2010
Ping Yuan, Beijing, CN;
Ping Yuan, Beijing, CN;
GE Medical Systems Global Technology Company, LLC, Waukesha, WI (US);
Abstract
A blade device for forming a hollow cone-like radiation includes a pair of blade members opposed to each other symmetrically at a fixed inclination angle in a first direction perpendicular to the axis of the cone, a pair of second blade members opposed to each other symmetrically at a variable inclination angle in a second direction perpendicular to the axis of the cone and also perpendicular to the first direction, a pair of lever members fixed respectively at one ends thereof to faces of the pair of second blade members on the side opposite to the mutually confronting side, and lever actuating unit for pivoting the pair of lever members about respective shafts.