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| Number | Title | Issue Date |
| 7410211 | Folding chair with wheels A folding chair with wheels includes a backrest, a seat, a front leg frame and a rear leg frame pivotally connected to both sides of the seat, a plurality of wheel assemblies and a plurality of connection blocks. Each of the front leg frame and the rear leg frame co... | 08/12/2008 |
| 7377713 | Front-wheel support for a wheel chair A front wheel support for a wheel chair, the front wheel support having a curved tube for attachment to a frame member of the wheel chair and a curved part. The curved part has a first portion with a curvature identical to the curvature of the curved tube, and a cro... | 05/27/2008 |
| 7134167 | Structure of a connecting shaft mechanism of a caster assembly A caster includes a wheel, and a connecting shaft mechanism for holding the wheel in position; the shaft mechanism includes a sleeve consisting of two half parts, and a supporting shank member, which is held in the sleeve at an upper end, and with which the wheel is... | 11/14/2006 |
| 6932314 | Sleeves for use in systems for supporting platform-like objects on casters and posts Sleeves for use in systems for supporting platform-like objects on casters and posts and described. The sleeves support caster-and-post junctions and inhibit deformation of the stems of the casters and the ends of posts in directions radially outward from the longit... | 08/23/2005 |
| 6810561 | On a wheel of a rack A wheel of a rack consists of a wheel support, a sleeve inserted into a tube of a rack, a supporting member joined to both the sleeve and a top of the wheel support, and a screw projecting from the supporting member and screwed into the sleeve; a step-shaped portion... | 11/02/2004 |
| 6725501 | Caster with universal mount and swivel and wheel lock A swivel caster assembly has a molded plastic caster horn with an upwardly opening socket receiving a connector stem, the portion thereof above the caster horn having either a plate, a threaded post, or a smooth post with a retaining ring, for connection to an objec... | 04/27/2004 |
| 6641228 | Detachable front wheel structure of golf cart A detachable front wheel structure of a golf cart includes a main frame having a lower portion provided with a front wheel frame, and a quick release device mounted between the main frame and the front wheel frame. The quick release device includes a conn... | 11/04/2003 |
| 6463624 | Joint structure of a wheel bearing A joint structure of a wheel bearing comprises a bearing cover and a pivotal casing. The bearing cover has an outer edge being installed with a plurality of upper sheets which expand outwards; and between two upper sheets are formed with a downward extend... | 10/15/2002 |
| 5943734 | Mount for mounting a caster wheel to a wheelchair Multi-adjustable wheelchair with adjustability features which accommodate the physical size and comfort of the wheelchair user is disclosed and claimed. The wheelchair includes (1) wheelchair frame width adjustment, (2) wheelchair rear axle position adjus... | 08/31/1999 |
| 5390393 | Caster with a fouling-resistant bearing cup feature A caster includes a U-shaped caster horn having a top web portion and two contiguous downwardly-extending leg portions to define a unitary, U-shaped member providing a wheel accommodating space. A wheel is rotatably supported in the space such that the ca... | 02/21/1995 |
| 5361454 | Snap-on swivel wheel assembly A modular wheel assembly for use with apparatus having a weight-bearing frame, such as a baby stroller, includes a mounting unit consisting of a cylindrical tubular member having an open upper end and a closed lower end wall. The tubular member is dimensi... | 11/08/1994 |
| 4974284 | Picnic table caster assembly A wheel assembly and a picnic table with the wheel assembly attached thereto includes a bracket which has an arm portion and a mounting flange portion. The mounting flange portion is inclined at an angle of about 65° with respect to the longitudinal exte... | 12/04/1990 |
| 4748715 | Adjustable roller assembly An adjustable roller assembly for supporting and leveling an appliance including a rail secured to the appliance and having a keyhole opening with a horizontal stationary base frame secured to the rail. A bracket having a bottom end is pivotally secured t... | 06/07/1988 |
| 4709444 | Wheel bracket mounting structure A wheel bracket mounting structure which includes an elongated and flexible bracket member having an axle mounting section and a stem mounting section at generally opposite ends thereof. The axle mounting section includes a generally flat, platelike porti... | 12/01/1987 |
| 4471508 | Linearly reversible caster assembly A linearly reversible caster assembly (30) capable of carrying a load (L) on a surface (S) comprising a pivotable U-shaped frame (34) coaxially mounted with a caster wheel (32) on an axle (48). A translatable U-shaped frame (36), suitably attached to the ... | 09/18/1984 |
| 4068343 | Castor fork assembly with protective surface A castor wheel having a fork at which upper part a rolling bearing is applied and being provided with a support means or support plate to which by bolt fastening a load or carriage can be connected, the support means being provided with a relatively thin,... | 01/17/1978 |
