GB570296A - Improvements in or relating to fire-escapes - Google Patents
Improvements in or relating to fire-escapesInfo
- Publication number
- GB570296A GB570296A GB1429943A GB1429943A GB570296A GB 570296 A GB570296 A GB 570296A GB 1429943 A GB1429943 A GB 1429943A GB 1429943 A GB1429943 A GB 1429943A GB 570296 A GB570296 A GB 570296A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ladder
- cable
- trolley
- window
- sections
- 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
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/14—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with non-rigid longitudinal members, e.g. rope or chain ladders, ladders of the lazy-tongs type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
570,296. Ladders. EDWARDS, D. W. S. Sept. 1, 1943, No. 14299. [Class 20 (ii)] [Also in Group XXI] A fire escape comprises a number of hinged ladder sections 10 attached to a trolley at the upper end, the trolley being mounted on a wheeled carriage 13 supported on overhead rails 15 in an upper storey of the building so as to be movable from the inside of the room to the window. The hinged ladder sections 10 are folded alternately forwards and backwards in collapsing by pulling upon a cable 17 which is secured at its lower end to the bottom section and which passes alternately in front of and behind the successive hinge axes 11 of the sections. Release of the cable permits the ladder to extend. The cable 17 is wound on a hand or power operated drum 18 to which it passes from the top end of the ladder through a swivelling cross-piece 10<a> the angular position of which in relation to the window is adjusted by sliding rods and steering cords 26 which pass around a hand-operated wheel 28. A winding drum 24 and cable 25 are provided to draw the trolley inward from the window A and a wheeled gangway 30, which normally rests in the floor, may be moved to extend outside to facilitate access to the ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1429943A GB570296A (en) | 1943-09-01 | 1943-09-01 | Improvements in or relating to fire-escapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1429943A GB570296A (en) | 1943-09-01 | 1943-09-01 | Improvements in or relating to fire-escapes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB570296A true GB570296A (en) | 1945-07-02 |
Family
ID=10038657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1429943A Expired GB570296A (en) | 1943-09-01 | 1943-09-01 | Improvements in or relating to fire-escapes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB570296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2279987A (en) * | 1993-07-13 | 1995-01-18 | Allan Bretherton | Escape device for building |
-
1943
- 1943-09-01 GB GB1429943A patent/GB570296A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2279987A (en) * | 1993-07-13 | 1995-01-18 | Allan Bretherton | Escape device for building |
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