Safety brake for block and tackle window balance

The present invention relates to inertial braking system for spring-loaded devices, such as block and tackle window balances incorporated in single and double hung window assemblies. In one embodiment, a block and tackle window balance includes a translatable block assembly disposed in a track inclu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GARY ROGER NEWMAN, LAWRENCE VERSTEEG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LIGHTING LOCKS MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SAFES SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS WINDOW OR DOOR FITTINGS
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