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:
Sep. 17, 1985
Filed:
Jul. 18, 1983
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A radiographic installation for an x-ray examination apparatus has two antiscatter grids disposed in different planes at different distances from the focus of the radiation source and are alternately movable by a motor connected thereto through a drive train from a standby position outside of the radiation field into a position within the radiation field. The grids are maintained in the standby position by a permanently-acting bias force and are moved into the radiation field by the motor in opposition to this force. The drive train includes a belt having two cams disposed at the opposite ends thereof respectively associated with the antiscatter grids for limiting the movement thereof to define selected positions for the grids.