FR769817A - - Google Patents

Info

Publication number
FR769817A
FR769817A FR769817DA FR769817A FR 769817 A FR769817 A FR 769817A FR 769817D A FR769817D A FR 769817DA FR 769817 A FR769817 A FR 769817A
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 FR769817A publication Critical patent/FR769817A/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)
FR769817D Expired FR769817A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR769817A true FR769817A (cg-RX-API-DMAC7.html) 1934-08-31

Family

ID=1551934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769817D Expired FR769817A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR769817A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426945A (en) * 1944-11-14 1947-09-02 Reconstruction Finance Corp Window balancer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426945A (en) * 1944-11-14 1947-09-02 Reconstruction Finance Corp Window balancer

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