FR978840A - - Google Patents

Info

Publication number
FR978840A
FR978840A FR978840DA FR978840A FR 978840 A FR978840 A FR 978840A FR 978840D A FR978840D A FR 978840DA FR 978840 A FR978840 A FR 978840A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR978840A publication Critical patent/FR978840A/fr
Expired legal-status Critical Current

Links

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
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR978840D Expired FR978840A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR978840A true FR978840A (cg-RX-API-DMAC7.html) 1951-04-18

Family

ID=1566874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978840D Expired FR978840A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR978840A (cg-RX-API-DMAC7.html)

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