GB190923220A - Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like. - Google Patents
Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like.Info
- Publication number
- GB190923220A GB190923220A GB190923220DA GB190923220A GB 190923220 A GB190923220 A GB 190923220A GB 190923220D A GB190923220D A GB 190923220DA GB 190923220 A GB190923220 A GB 190923220A
- Authority
- GB
- United Kingdom
- Prior art keywords
- locking
- automatic closing
- lift gates
- rope
- gates
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Emergency Lowering Means (AREA)
- Catching Or Destruction (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
23,220. Mitchell, W. Oct. 11. Rope grips.-The spring-pressed sliding jaw f of a rope grip is operated by means of a lever b attached to a semi-cylindrical part o engaging a cavity in the sliding partj.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190923220T | 1909-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190923220A true GB190923220A (en) | 1910-07-07 |
Family
ID=32558190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190923220D Expired GB190923220A (en) | 1909-10-11 | 1909-10-11 | Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190923220A (en) |
-
1909
- 1909-10-11 GB GB190923220D patent/GB190923220A/en not_active Expired
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