| 摘要 |
A support for a height access such as a ladder, extension ladder, access tower, scaffold, trestle or step up platform. It has an extendible first section attached to an extendible second section, the first section is perpendicular to the second section. IN use, the first section is laterally extendible from the side of the height access apparatus and the second section is extendible to allow ground engaging means located remote from the first section to contact the ground, The present invention provides a support for a height access apparatus which greatly improves the stability of the height access apparatus thereby greatly improving its safety. |
