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A platform for research: civil engineering, architecture and urbanism
System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window
An assembly of components that are use in a counterbalance system for a tilt-in window. A coil spring of wound ribbon is provided that has a shaped head. A brake shoe housing is provided that connects to the coil spring in such a manner that fatigue stresses are reduced in the coil spring as the tilt-in window is operated. The brake shoe housing has a receptacle slot formed into one of its side surfaces. An open relief is formed immediately above the receptacle slot. The open relief abuts against and supports the ribbon of the coil spring just behind the shaped head. By engaging the shaped head of the coil spring and supporting the coil spring adjacent to the shaped head, stresses experienced by the shaped head are greatly reduced. The result is a coil spring that has a much longer service life.
System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window
An assembly of components that are use in a counterbalance system for a tilt-in window. A coil spring of wound ribbon is provided that has a shaped head. A brake shoe housing is provided that connects to the coil spring in such a manner that fatigue stresses are reduced in the coil spring as the tilt-in window is operated. The brake shoe housing has a receptacle slot formed into one of its side surfaces. An open relief is formed immediately above the receptacle slot. The open relief abuts against and supports the ribbon of the coil spring just behind the shaped head. By engaging the shaped head of the coil spring and supporting the coil spring adjacent to the shaped head, stresses experienced by the shaped head are greatly reduced. The result is a coil spring that has a much longer service life.
System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window
KUNZ JOHN R (author)
2016-05-10
Patent
Electronic Resource
English
IPC:
E05D
Scharniere oder andere Aufhängevorrichtungen für Türen, Fenster oder Flügel
,
HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS
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