摘要 |
<p>A ladder having platform steps, the ladder being convertible between a deployed position for supporting a person or other load, to a storage, scaffold, or ramp position in which the steps lie in a generally planar arrangement. When deployed, the ladder steps remain parallel to each other and form a series of parallelograms with the rails of the ladder. The ladder is also capable of being locked or secured at various angles of deployment.</p> |
申请人 |
FRICK, RORY;FRICK, TYLER;FRICK, ZACH |
发明人 |
FRICK, RORY;FRICK, TYLER;FRICK, ZACH |