GB846081A - Safety device for ladders - Google Patents
Safety device for laddersInfo
- Publication number
- GB846081A GB846081A GB2155055A GB2155055A GB846081A GB 846081 A GB846081 A GB 846081A GB 2155055 A GB2155055 A GB 2155055A GB 2155055 A GB2155055 A GB 2155055A GB 846081 A GB846081 A GB 846081A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sprag
- stile
- foot
- ground
- ladder
- 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
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
846,081. Ladders. ROBERTS & CO. (ENGINEERS) Ltd., D., and LESTER, S. V. Oct. 26, 1956 [July 26, 1955], No. 21550/55. Class 20(2) A non-slip device for attachment to of each stile of a ladder near the foot comprises a member 6 to which there is-pivotally mounted for limited angular movement a sprag 7 which protrudes somewhat below the foot of the stile. The sprag 7 has a serrated lower edge 13. The pivotal movement of the sprag 7 is limited by a peg 15 in the member 6 engaging a slot 14 in the sprag. In use the foot of the stile 11 normally rests upon the ground and the sprag 7 rests with one corner on the ground as shown in Fig. 3. When the ladder starts to slip the sprag digs into the ground, rocks about its point of contact with the ground so that its pivot lifts the foot of the stile slightly thereby transferring all the weight to the sprag, as shown in Fig. 1. Two of the devices according to the invention of opposite hand to each other may be attached to the foot of each stile of a non-extending ladder so that it is immaterial which face of the ladder is in front.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2155055A GB846081A (en) | 1955-07-26 | 1955-07-26 | Safety device for ladders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2155055A GB846081A (en) | 1955-07-26 | 1955-07-26 | Safety device for ladders |
Publications (1)
Publication Number | Publication Date |
---|---|
GB846081A true GB846081A (en) | 1960-08-24 |
Family
ID=10164774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2155055A Expired GB846081A (en) | 1955-07-26 | 1955-07-26 | Safety device for ladders |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB846081A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2158499A (en) * | 1984-05-09 | 1985-11-13 | Warren Anthony Talbot | Ladder support device |
US6145618A (en) * | 1996-01-26 | 2000-11-14 | Werner Co. | Ladder system and method of climbing having a rail with a non-linear slot |
-
1955
- 1955-07-26 GB GB2155055A patent/GB846081A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2158499A (en) * | 1984-05-09 | 1985-11-13 | Warren Anthony Talbot | Ladder support device |
US6145618A (en) * | 1996-01-26 | 2000-11-14 | Werner Co. | Ladder system and method of climbing having a rail with a non-linear slot |
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