Abstract: A bed roller having three wheels disposed respectively between the depending flanges of an inverted U-shaped horn frame and upon respectively outer sides of the horn frame flanges all having conforming tread portions and the outer side wheels having smooth outer sides with the horn frame swivel mounted by means of an upwardly disposed stem. The wheels are freely mounted on an axle extending through the flanges of the horn frame so that they may rotate forwardly or rearwardly as the horn frame swivels about the vertical stem.

Abstract: A two-part package formed from separate blanks each foldable to provide respective package elements of box like shape with one element slidable into the other to complete a combined unit having a front window opening to reveal part of a contents contained in a clear plastic blister unit and side window openings formed by aligned openings in the respective package elements to reveal additional contents in the blister unit. Closure tabs are provided on one package element for access to the contents through the top of this element and a perforated hanging tab is provided on this element for suspending the combined package elements in a display position. The blister enclosed contents may be disposed in the package for ready removal by sliding this element as a container of the contents, out of the package element whereby the blister becomes the separate package element for holding the contents and which is inserted and removed from the package as a fully loaded container.

Abstract: A plastic grip ring for a caster assembly comprising a ring shaped member having a tapered outer perimeter with an interior surface including a cylindrical collar portion, a larger diameter cylindrical bottom portion merging with the collar portion by an arcuate, tapered connecting portion and a notched area extending vertically of the interior surface wherein the bottom portion and the notched area provide means for mounting the ring over the head of a caster stem.

Abstract: A composite caster comprised of an insert made from a thermo-plastic material, such as nylon, having certain characteristics and a tread portion made from a second type of plastic material, such as urethane, having different characteristics, with the tread portion molded directly onto the insert to provide an integrated whole, with the insert formed with rim elements having positive interlocking relationships with the molded on tread portion.