GB930707A - Foldable escape ladder with adjustable rungs - Google Patents
Foldable escape ladder with adjustable rungsInfo
- Publication number
- GB930707A GB930707A GB4950/62A GB495062A GB930707A GB 930707 A GB930707 A GB 930707A GB 4950/62 A GB4950/62 A GB 4950/62A GB 495062 A GB495062 A GB 495062A GB 930707 A GB930707 A GB 930707A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rope
- rung
- rungs
- escape ladder
- adjustable
- 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
- E06C1/00—Ladders in general
- E06C1/52—Ladders in general with non-rigid longitudinal members
- E06C1/56—Rope or chain ladders
Landscapes
- Ladders (AREA)
Abstract
930,707. Fexible ladders. K. C. MACLEOD. Feb. 8, 1962 [Feb. 27, 1961], No. 4950/62. Class 20 (2). A tubular rung 16 is secured to the side rope 12 of a flexible ladder, which passes through holes in the rung, by an apertured block 30 inside the rung surrounding the rope to which it is secured by a set-screw 36, clamping members 42, 44 being interposed between the rope and the block and the rope and the setscrew respectively. The clamping members 42, 44 have teeth to grip the rope. The rungs are of square cross-section.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91944A US3033310A (en) | 1961-02-27 | 1961-02-27 | Foldable escape ladders with adjustable rungs |
Publications (1)
Publication Number | Publication Date |
---|---|
GB930707A true GB930707A (en) | 1963-07-10 |
Family
ID=22230421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4950/62A Expired GB930707A (en) | 1961-02-27 | 1962-02-08 | Foldable escape ladder with adjustable rungs |
Country Status (2)
Country | Link |
---|---|
US (1) | US3033310A (en) |
GB (1) | GB930707A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3078954A (en) * | 1962-02-19 | 1963-02-26 | Kenyon C Macleod | Foldable escape ladders and method of making the same |
US3341234A (en) * | 1964-07-16 | 1967-09-12 | Firm Allan Christensen & Co | Clamping mechanism for the clamping of at least two bars in proportion to an axis crossing the bars |
SE7504441L (en) * | 1975-04-17 | 1976-10-18 | Olsson Lars Uno | BUILDING SCORE |
GB9113525D0 (en) * | 1991-06-22 | 1991-08-14 | Milligan Garry | Flexible ladders |
US5605205A (en) * | 1994-08-12 | 1997-02-25 | Brk Brands, Inc. | Readily deployable portable escape ladder |
AU5388296A (en) * | 1995-04-10 | 1996-10-30 | Lane J. Christensen | Emergency escape ladder assembly |
US5746287A (en) * | 1996-08-29 | 1998-05-05 | Durham, Jr.; Stevenson | Ham ladder |
US6269908B1 (en) * | 2000-01-15 | 2001-08-07 | David R. Yeamans | Extendible self-retracting ladder |
US20040094363A1 (en) * | 2002-08-28 | 2004-05-20 | Fred Bagshaw | Ladder with rund stabilising device |
US7077447B1 (en) * | 2004-05-18 | 2006-07-18 | Betway Dennis O | Method for manually carrying a load |
US9469982B2 (en) * | 2014-03-31 | 2016-10-18 | Belanger, Inc. | Grate apparatus and method for covering and opening a channel in a vehicle wash |
CN108756714A (en) * | 2017-03-22 | 2018-11-06 | 青岛智享专利技术开发有限公司 | The electronic ladder stand of portable bridge road construction |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US531784A (en) * | 1895-01-01 | Rope-cable ladder | ||
US590475A (en) * | 1897-09-21 | Rope ladder | ||
US531783A (en) * | 1895-01-01 | Rope or wire-cable ladder | ||
US441585A (en) * | 1890-11-25 | Step for shipsj ladders or fire-escapes | ||
US249846A (en) * | 1881-11-22 | Office | ||
GB317682A (en) * | 1928-11-07 | 1929-08-22 | Hubert Ravenhill | Improvements in or relating to flexible ladders |
US2730412A (en) * | 1952-12-22 | 1956-01-10 | John R Yoder | Removable ladder steps |
GB798371A (en) * | 1957-01-16 | 1958-07-16 | Norse Aluminium Products | Improvements in ladders |
-
1961
- 1961-02-27 US US91944A patent/US3033310A/en not_active Expired - Lifetime
-
1962
- 1962-02-08 GB GB4950/62A patent/GB930707A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3033310A (en) | 1962-05-08 |
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