Class / Patent application number | Description | Number of patent applications / Date published |
016019000 | Adjustable | 6 |
20100132156 | CASTOR WHEEL ASSEMBLY - Castor wheel assembly including a castor pin having a castor axis; a yoke mounted to the castor pin—and rotatable about a yoke axis; a castor wheel rotatably mounted to the yoke about a wheel axis; and a gradient device disposed between the castor pin and the yoke. The gradient device is operative to allow angular displacement of the yoke axis relative to the castor axis. | 06-03-2010 |
20140013541 | PROTECTED CASTER ASSEMBLY - An apparatus includes a wheel having an axle, and a round disk connected to the axle. The round disk has a disk middle connected to the axle and a disk circumferential surface surrounding the disk middle. Further, a round ring having an inner ring surface is connected to the disk circumferential surface of the round disk. The round disk is positioned within the round ring. The round ring contacts the round disk along a first plane, and the axle is coplanar with the first plane. Additionally, the round ring has a ring circumferential outer surface having threads. A threaded cylinder having an inner threaded cylinder surface is connected to the threads in the ring circumferential outer surface. The round ring is positioned within the threaded cylinder. Further, a worm gear is positioned between the threaded cylinder and the round ring. | 01-16-2014 |
20140109341 | VERTICALLY ADJUSTABLE CASTER WHEEL APPARATUS - A vertically-adjustable caster wheel apparatus for use on a forklift truck, material handling cart, and the like. The caster wheel apparatus of the present invention provides a yolk frame having a pivot pin connected to and extending through the yolk frame. A wheel frame has one end pivotally connected to the yolk frame and a second end rotatably connected to a wheel. An elastic member has a first retainer connected to one end of the elastic member and a second retainer connected to an opposite end of the elastic member, wherein the first retainer is connected to the pivot pin in the yolk frame to allow the elastic member to pivot with respect to the yolk frame. Means for adjusting the vertical height of the wheel is provided by adjusting the angle of the wheel frame relative to the yolk frame. | 04-24-2014 |
20140137368 | LOCKING STEM/FASTENER AND CASTER HAVING SAME - A locking stem includes a bolt fastener having a pivoting tab that is disposed within a radial slot formed in one end of a shaft of the fastener, the pivoting tab pivots about a pivot, the tab has a pivot point located off center so the tab falls to one side when tilted. The bolt fastener attaches to a complementary fastener attached to a fixture. The locking stem may be for a caster. | 05-22-2014 |
20150143662 | ADJUSTABLE SUPPORT DEVICE WITH MULTIPLE ROLLING ELEMENTS - A caster device includes a base attachable to a supported item, one or more rolling elements that interface with the base to facilitate rolling of the supported item along a support surface, and an external sleeve coupled to the base for adjustable vertical positioning of the external sleeve relative to the base. The external sleeve can be placed in a first vertical position relative to the base where the rolling element(s) do not contact the support surface, and in a second vertical position relative to the base where the rolling elements do contact the support surface. A rimguard may be rotatively coupled with the external sleeve so that as the external sleeve is rotated to the first vertical position, the bottom rim of the external sleeve rotates relative to a rimguard inner surface and a rimguard outer surface does not rotate relative to the support surface. | 05-28-2015 |
20150321512 | WHEEL SYSTEMS AND METHODS - In one preferred form there is provided a wheel system. The wheel system is mounted to a suitcase. The wheel system provides an extension mechanism and a wheel assembly. The extension mechanism adapted for moving the wheel assembly from a retracted condition to an extended condition. In the extended condition, the wheel assembly provides for rolling transport that is able to accommodate various obstacles and terrain. | 11-12-2015 |