US1297702A - Door-operating device. - Google Patents
Door-operating device. Download PDFInfo
- Publication number
- US1297702A US1297702A US24562618A US24562618A US1297702A US 1297702 A US1297702 A US 1297702A US 24562618 A US24562618 A US 24562618A US 24562618 A US24562618 A US 24562618A US 1297702 A US1297702 A US 1297702A
- Authority
- US
- United States
- Prior art keywords
- door
- operating device
- operating
- lenko
- do0r
- 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 - Lifetime
Links
Images
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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/627—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
Description
M. LENKO DO0R OPERATING DEVICE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24562618A US1297702A (en) | 1918-07-19 | 1918-07-19 | Door-operating device. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24562618A US1297702A (en) | 1918-07-19 | 1918-07-19 | Door-operating device. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1297702A true US1297702A (en) | 1919-03-18 |
Family
ID=3365246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US24562618A Expired - Lifetime US1297702A (en) | 1918-07-19 | 1918-07-19 | Door-operating device. |
Country Status (1)
Country | Link |
---|---|
US (1) | US1297702A (en) |
-
1918
- 1918-07-19 US US24562618A patent/US1297702A/en not_active Expired - Lifetime
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