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
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR769817A true FR769817A (it) | 1934-08-31 |
Family
ID=1551934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR769817D Expired FR769817A (it) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR769817A (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426945A (en) * | 1944-11-14 | 1947-09-02 | Reconstruction Finance Corp | Window balancer |
-
0
- FR FR769817D patent/FR769817A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426945A (en) * | 1944-11-14 | 1947-09-02 | Reconstruction Finance Corp | Window balancer |