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PERFECT WINDOW REGULATOR C
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PERFECT WINDOW REGULATOR C
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Application filed by PERFECT WINDOW REGULATOR CfiledCriticalPERFECT WINDOW REGULATOR C
Application grantedgrantedCritical
Publication of FR483790ApublicationCriticalpatent/FR483790A/fr
E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
E05D13/10—Counterbalance devices
E05D13/12—Counterbalance devices with springs
E05D13/1276—Counterbalance devices with springs with coiled ribbon springs, e.g. constant force springs
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR483790D1916-12-121916-12-12Dispositif pour le réglage de la tension des ressorts équilibrant un poids soumis à un mouvement de va-et-vient
ExpiredFR483790A
(fr)