Knee protector dolly

Land vehicles – Wheeled – With worker's support or shade

Reexamination Certificate

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Details

C297S423110, C297S423120, C188S005000

Reexamination Certificate

active

07878513

ABSTRACT:
An embodiment of this invention is an apparatus for floor installation, repair, cleaning or ground proximity work. This apparatus is comprised of a curved base board with the curvature towards the ground covered by a protective cushion with massaging surface for comfort of knees, three or more independently lockable wheels, an adjustable angle and height seat covered by spring loaded matt and cushion for comfort and a brake system with handle for manual braking and exertion of force to the work surface. This apparatus also includes an adjustable length and angle truss covered with cushion for comfortable positioning of legs while working on the work surface.

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patent: 2009/0085314 (2009-04-01), Diaz

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