Patent ID: 8943648
Filing Date: 2015-02-03
Classification: B60B,B62B,F16M,Y10T

Abstract:
1. An adjustable caster device comprising: a base attachable to a supported item so as to be disposed between the supported item and a support surface, the base including at least one rolling element receiving receptacle; at least one rolling element, each rolling element interfacing with one rolling element receiving receptacle; an external sleeve coupled with the base and rotatable to adjust a vertical positioning of one of the base and the external sleeve relative to the other of the external sleeve and the base, wherein the external sleeve can be rotated to a first vertical position where said at least one rolling element does not contact the support surface, and wherein the external sleeve can be rotated to a second vertical position where said at least one rolling element contacts the support surface; and a rimguard rotatively coupled with the external sleeve and comprising a rimguard inner surface disposed facing a bottom rim of the external sleeve and a rimguard outer surface facing the support surface, wherein as the external sleeve is rotated to the first vertical position, the rimguard outer surface interacts with the support surface such that the rimguard outer surface does not rotate relative to the support surface while the bottom rim of the external sleeve rotates relative to the rimguard inner surface.