Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • 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
  • E05D13/123—Counterbalance devices with springs with compression springs

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)

Publications (1)

Family

ID=1546073

Family Applications (1)

Country Status (1)

• 0
  • FR FR741553D patent/FR741553A/fr not_active Expired

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