FR483767A - Automatic door closer - Google Patents
Automatic door closerInfo
- Publication number
- FR483767A FR483767A FR483767DA FR483767A FR 483767 A FR483767 A FR 483767A FR 483767D A FR483767D A FR 483767DA FR 483767 A FR483767 A FR 483767A
- Authority
- FR
- France
- Prior art keywords
- automatic door
- door closer
- closer
- automatic
- door
- Prior art date
- 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
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/08—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR483767T | 1916-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR483767A true FR483767A (en) | 1917-08-08 |
Family
ID=1520633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR483767D Expired FR483767A (en) | 1916-12-11 | 1916-12-11 | Automatic door closer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR483767A (en) |
-
1916
- 1916-12-11 FR FR483767D patent/FR483767A/en not_active Expired
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