GB488251A - Power control of doors - Google Patents
Power control of doorsInfo
- Publication number
- GB488251A GB488251A GB34813/37A GB3481337A GB488251A GB 488251 A GB488251 A GB 488251A GB 34813/37 A GB34813/37 A GB 34813/37A GB 3481337 A GB3481337 A GB 3481337A GB 488251 A GB488251 A GB 488251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- doors
- motor
- open
- closing
- 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
- 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
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
-
- 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
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
488,251. Door - operating appliances. HERBERT, Ltd., A., LLOYD, A. H., and JINMAN, C. H. Dec. 16, 1937, No. 34813. [Class 65 (i)] Sliding doors 11, 12 which are biassed towards closing as by weighted cords 23a, 23b are opened by a reversible electric motor 17 driving an endless cable &c. 19 carrying abutments 22 adapted to engage brackets 21 on the door. When the doors are fully open, a limit switch OLS stops the motor, and the doors are held open by the motor or its transmission against the closing bias. The doors are closed by reversing the motor and allowing the bias to operate. If one of the doors has a wicket gate 25, a switch WS thereon prevents closure of the motor circuit if the wicket is open. The doors may be suspended from an overhead rail by rollers 24. A time-lag device may be used to cause the motor to operate for closing after the doors have been open a certain time. When the doors are closed, a limit switch CLS cuts off current. The motor circuit may be controlled by ground abutments operated by a vehicle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB34813/37A GB488251A (en) | 1937-12-16 | 1937-12-16 | Power control of doors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB34813/37A GB488251A (en) | 1937-12-16 | 1937-12-16 | Power control of doors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB488251A true GB488251A (en) | 1938-07-04 |
Family
ID=10370221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34813/37A Expired GB488251A (en) | 1937-12-16 | 1937-12-16 | Power control of doors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB488251A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3223402A (en) * | 1961-05-08 | 1965-12-14 | Edward R Glenn | Door closer |
-
1937
- 1937-12-16 GB GB34813/37A patent/GB488251A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3223402A (en) * | 1961-05-08 | 1965-12-14 | Edward R Glenn | Door closer |
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