Safety attachment for ladder
US4770272A · kind A · utility
9Cited by
10References
18Claims
0Family size
Inventor
Key dates
| Filing date | Aug 6, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Aug 6, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/488
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A safety attachment for a ladder to permit the user of the attachment, when it is on the ladder, to be locked onto the ladder so that the user will be more positively connected to the ladder. The attachment includes a frame having hooks for removably coupling the frame to the rungs of a ladder. The frame has a pair of spaced cross-pieces or rods which allow one leg of the user to extend partially about one of the rods while the foot or shin of the leg engages the other of the rods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.