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    • 74. 发明申请
    • Nestable step
    • 可巢步
    • US20080093167A1
    • 2008-04-24
    • US11584826
    • 2006-10-23
    • Craig M. SaundersLindsey TuftsJeffrey M. Kalman
    • Craig M. SaundersLindsey TuftsJeffrey M. Kalman
    • E06C7/16
    • A47C12/00
    • A step stool nestable for stacking is formed vertically tapered with the smaller end closed to form a horizontal stepping surface. The interior of the shell has attachment surfaces faces upon which the casters are attached for use.Initially the casters are mounted on the undersurface of the closed end to permit stacking of the stools for bulk transport or shipment in quantities. Upon separating the stools in the stack, the user removes the platform and casters from the undersurface of the closed end and attaches them to attachment surfaces in the shell. In the disclosed embodiment a platform member is attached to the shell and the casters mounted on the platform member. In the disclosed embodiment, the casters and platform member are enclosed in a container and releasably secured to the undersurface of the closed end of the shell for stacking.
    • 可堆叠堆叠的台凳形成为垂直渐缩,较小的一端封闭形成水平的踏面。 壳体的内部具有附接表面,脚轮连接在该表面上用于使用。 最初,脚轮安装在封闭端的下表面上,以便堆放大量的散装运输或大量运输。 在分离堆叠中的粪便时,使用者将平台和脚轮从封闭端的下表面移除并将其附接到壳体中的附接表面。 在所公开的实施例中,平台构件附接到壳体和安装在平台构件上的脚轮。 在所公开的实施例中,脚轮和平台构件被封装在容器中并且可释放地固定到壳的封闭端的下表面以进行堆叠。