GB842963A - Ladders - Google Patents
LaddersInfo
- Publication number
- GB842963A GB842963A GB31804/58A GB3180458A GB842963A GB 842963 A GB842963 A GB 842963A GB 31804/58 A GB31804/58 A GB 31804/58A GB 3180458 A GB3180458 A GB 3180458A GB 842963 A GB842963 A GB 842963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rungs
- ribs
- uprights
- oct
- ladders
- 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
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
Abstract
842,963. Ladders. A. V. R., ACHAT, VENTES, REPRESENTATIONS S.A. Oct. 6, 1958 [Oct. 15, 1957], No. 31804/58. Class 20(2) A ladder comprises circular rungs 4 Fig. 3 the ends of which pass through holes in box section upright 1 and are swaged over at the outer ends, ribs 2 on the inside faces of the uprights 1 engaging in grooves 5 on the rungs to prevent rotation. Alternatively the ribs may be on the rungs and vice versa. In another embodiment, Fig. 13 the treads 15 of the rungs fit into gaps in parallel ribs 2 on the uprights.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE842963X | 1957-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB842963A true GB842963A (en) | 1960-08-04 |
Family
ID=3881971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31804/58A Expired GB842963A (en) | 1957-10-15 | 1958-10-06 | Ladders |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB842963A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2118237A (en) * | 1982-04-15 | 1983-10-26 | Lennart Holgersson | Ladder |
-
1958
- 1958-10-06 GB GB31804/58A patent/GB842963A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2118237A (en) * | 1982-04-15 | 1983-10-26 | Lennart Holgersson | Ladder |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE867361A (en) | DOUBLE EXTENSIBLE OR SUPPORTED LADDER | |
NL169158C (en) | TREADMILL FOR AN AIRBAND WITH A REMOVABLE TREAD, AND AN AIRBAND WITH SUCH A TREADMILL. | |
NL181592C (en) | SCAFFOLDING STRUCTURE. | |
GB842963A (en) | Ladders | |
GB1283934A (en) | Improvements relating to metal ladders | |
FR1211973A (en) | Method of assembling metal rungs on the ladder uprights | |
NL7710824A (en) | LADDER WITH BACK PROTECTION. | |
FR1501748A (en) | Stiles for ladders, scaffolding and the like | |
GB822698A (en) | Improvements in and relating to ladders | |
GB941531A (en) | Improvements in or relating to ladders | |
JPS52103899A (en) | Trap with foldable ladder | |
GB816468A (en) | Improvements in or relating to ladders | |
GB810055A (en) | Improvements in or relating to ladders | |
CH483555A (en) | Foldable and foldable ladder arranged on a wall | |
GB1006702A (en) | Ladders | |
GB911663A (en) | Improvements in or relating to foldable ladders | |
GB823838A (en) | Improvements in and relating to ladders | |
GB1122428A (en) | Improvements in or relating to ladders | |
GB887733A (en) | Improvements in ladders | |
FR1204129A (en) | Advanced ladders and ladder elements | |
GB1310885A (en) | Steps for rope ladders | |
GB844074A (en) | Improvements in or relating to iadders | |
FR1421544A (en) | Extendable ladder, single upright, and folding rungs | |
GB1106033A (en) | Improvements in or relating to ladders | |
GB975093A (en) | Improvements in or relating to ladders or stairways |