Roller for moving equipment, furniture or the like

Claim 1

A floor-engaging roller for moving equipment comprising: a rim provided with a pair of outwardly extending annular flanges and a wheel body carrying said rim for moving same on an axle; and a unitary one-piece tire mounted on said rim, said tire being composed of polyurethane elastomer and having a radially inner portion lying wholely between said flanges against said rim and a radially outer portion lying wholely outwardly of said flanges in a radial direction and substantially flush laterally with outer surfaces thereof, said radially inner portion substantially filling said rim between said flanges and being provided with a plurality of angularly equi-spaced bores extending completely through said radially inner portion adjacent said radially outer portion and in a direction parallel to an axis of rotation of the rim on said axle, said bores lying wholely within the circumference of said flanges so as to be closed thereby while providing elasticity for the tire, the radial thickness of said radially inner portion being at least equal to half the radial thickness of the tire.