Patent Number: 6,309,289

Title: Air flotation and locking material handling apparatus and method of use

Abstract: A materials handling apparatus and method utilizing flotation pads to inject a thin fluid film to produce a near frictionless surface for easily positioning and finishing foundry castings. The present invention further relates to a material handling apparatus and method utilizing a vacuum lock to serve as a vice for securing foundry castings or other work pieces during finishing stages. The invention further incorporates an apparatus and method for protecting the vacuum lock components from damage or interference with material movement during positioning.

Inventors: Dugger; Ben A. (Pell City, AL), Jenkins; Thomas Leon (Pelham, AL)


International Classification: B23Q 1/38 (20060101); B25B 11/00 (20060101); B23Q 1/26 (20060101); B24B 5/00 (20060101); B24B 5/22 (20060101); B24B 41/06 (20060101); B24B 047/00 ()

Expiration Date: 10/30/2018