Step stool
US6443261B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2000 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Oct 6, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A step stool includes a frame including a front leg and a rear leg movable relative to the front leg and a leg lock coupled to the frame and arranged to retain the rear leg in a fixed position relative to the front leg upon movement of the rear leg to an opened use position lying at an angle to the front leg. The leg lock includes a button receiver coupled to the front leg and a button supported for movement on the rear leg from a released position arranged to disengage the button receiver to allow relative movement of the front and rear legs and a locked position engaged to the button receiver to retain the rear leg in the fixed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.