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. 12, 1981
Filed:
May. 23, 1979
Applicant:
Inventors:
Arthur G Erdman, Roseville, MN (US);
Jeffory A Peterson, Canby, MN (US);
Assignee:
Truth Incorporated, Owatonna, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
E05D / ;
U.S. Cl.
CPC ...
49252 ; 49342 ;
Abstract
An operator for a casement-type window having a sash mounted adjacent one edge thereof for combined pivoting and linear movement relative to a window frame with the operator having a member movably engaged with the sash adjacent an outer edge thereof for imparting opening and closing force to the sash. The operator includes linkage and gear structure connected to said member and operable in response to manual movement for moving said member in a path which closely approximates the movement of the sash outer edge to cause said member to always act adjacent the outer edge of the sash.