Andersen Corporation

Michael L Doll

John C Costello

David Paul Chastain

Timothy J Kelley

Roy A Thompson

Jack Gundlach

James Robert Harger

Dennis A Galowitz

Douglas W Kroncke

Thomas J Hansel

Larry Versteeg

James L Peterson

Richard M Fischer

Arthur Raymond King, Iv

A window having a window panel that slides in a frame and at least one balancer that is secured to the window panel is disclosed. The window is of the tiltable hung type having a vertical operating position in which the balancer slides with the window panel in the frame and a tilted position in which the balancer remains secured to the window panel. The balancer includes an extensible member having a first end operatively coupled to the balancer and a second end operatively coupled to a frame so that the balancer can exert a force on the window panel to assist against the force of gravity when the window panel is in the vertical operating position. A method of constructing a tiltable hung window with a balancer secured to the window panel is also disclosed.

Window panel balance apparatus and method

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Osceola, WI, United States of America

Michael L Doll