초록 ▼

A step stool includes a frame having legs movable relative to each other between an opened use position and a collapsed storage position. The frame includes an upper portion and a lower portion. A tray assembly is provided having a fixed tray mounted to the upper portion and a movable tray coupled t

A step stool includes a frame having legs movable relative to each other between an opened use position and a collapsed storage position. The frame includes an upper portion and a lower portion. A tray assembly is provided having a fixed tray mounted to the upper portion and a movable tray coupled to the fixed tray for movement relative to the fixed tray, the movable tray having an opened use position and a closed storage position.

대표청구항 ▼

A step stool includes a frame having legs movable relative to each other between an opened use position and a collapsed storage position. The frame includes an upper portion and a lower portion. A tray assembly is provided having a fixed tray mounted to the upper portion and a movable tray coupled t

A step stool includes a frame having legs movable relative to each other between an opened use position and a collapsed storage position. The frame includes an upper portion and a lower portion. A tray assembly is provided having a fixed tray mounted to the upper portion and a movable tray coupled to the fixed tray for movement relative to the fixed tray, the movable tray having an opened use position and a closed storage position. ding an adsorber element in said gas stream; and during a cool down phase following an operation period of said vehicle, said adsorber element adsorbing gas components in said gas stream, which gas components can delay starting of said CO oxidation catalytic converter by depositing therein. 16. A method according to claim 15, further comprising: desorbing said gas components from said adsorber element during an operation period of said vehicle.