Detachable luggage caster roller
AssigneeMaruwa Echo Co., Ltd.
InventorKatsuyoshi Kaneko
Life of this patent
Estimating the term…
Abstract
A detachable luggage caster roller for suitcases, luggage and the like is comprised of a roller support bracket formed of synthetic resin and including a cylindrical male member and a base plate adapted to be secured directly or indirectly through a seat member to the luggage and formed of synthetic resin, said base plate including a cylindrical female member adapted to be slidably engaged, directly or indirectly with said cylindrical male member of said roller support bracket through point and line contact. The roller is formed of different kinds of synthetic resin and comprised of a tread reinforced by a bridge-shaped rib embedded therein and a sleeve bearing formed of synthetic resin impregnated with lubricating oil.
Claims6
A detachable luggage caster roller comprising a base plate formed of synthetic resin, means to secure said base plate detachably to a piece of luggage, the base plate including a cylindrical female member having a sliding surface, a roller support bracket formed of synthetic resin and including a cylindrical male member that extends up into said female member, a post connecting said male and female members for rotation relative to each other about their common axes, said male member including a sliding surface directly or indirectly opposed to and rotatably engaged with said sliding surface of said female member through point and line contacts in a thrust or radial direction, and a roller mounted rotatably in said roller support bracket whereby said roller is enabled to freely swivel about said common axis, the axis of rotation of the roller being perpendicular to and spaced from said common axis.
Dependencies are inferred from the claim text.