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:
Feb. 21, 1984
Filed:
Jan. 06, 1982
Applicant:
Inventors:
James E Dueker, Florissant, MO (US);
Ronald C Foster, Fort Worth, TX (US);
Bennett V Whiteson, Wentzville, MO (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ;
U.S. Cl.
CPC ...
350266 ; 16 485 ; 49-2 ; 126419 ; 160-6 ;
Abstract
An improved radiation protection louver system is described which comprises a movable louver panel hinged to a rotatable shaft through a thermally sensitive closure hinge member comprising a martensitic structure alloy exhibiting the characteristic of changing its shape from an intermediate configuration to a predetermined configuration in response to exposure to high intensity radiation. Motor drive means is included to reshape the hinge to the desired intermediate configuration following a temperature excursion effecting change of configuration.