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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7437801 | Caster assembly and shelf system for use on a collapsible cart Disclosed is a lightweight caster assembly and modular shelf system for use on an existing collapsible foldable cart with four wheels. ... | 10/21/2008 |
| 7350269 | Adjustable caster and leveling assembly An adjustable caster comprising a reversible mounting bracket offering added flexibility in adjusting the height of the caster and configured to removably attach to a structure to be supported by the adjustable caster; an internally threaded sleeve mounted to and ex... | 04/01/2008 |
| 7284299 | Caster A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster is configured so that a noise level of the moveable body as the moveab... | 10/23/2007 |
| 7231690 | Furniture glide with tubular flanged grommet fastener A furniture glide is provided for mounting on a terminal end of a furniture leg. The furniture glide includes a slider having an upper surface and a generally arcuate lower surface for engaging a supporting surface. A generally tubular fastener extends from the uppe... | 06/19/2007 |
| 7213815 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 05/08/2007 |
| 7207084 | Self-orienting caster for moving pieces of furniture and the like A self-orienting caster, constituted by at least one wheel, which can rotate on a shaft driven horizontally through the seat of a support provided with a vertical recess open upward and offset axially with respect to the shaft and in which a caster pivoting pivot ro... | 04/24/2007 |
| 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 |
| 7065828 | Caster assembly with drawn kingpin rivet A caster assembly including a unique drawn kingpin rivet formed of stainless steel or other material of appropriate toughness which compressively holds the components of the caster assembly together. ... | 06/27/2006 |
| 6944910 | Caster wheel assembly with anti-flutter control A caster wheel assembly for a wheeled device, such as a wheelchair, includes a housing suitable for connection to a wheeled device, a caster fork configured to mount a caster wheel for rotation, and a caster bolt connected to the caster fork and inserted into the ho... | 09/20/2005 |
| 6931191 | Photonic crystal device having variable bandgap, optical waveguide using the same, and optical multiplexing/demultiplexing device using the same A photonic crystal device having a variable bandgap includes a periodic structural body including a plurality of separate dielectric members arranged at intervals. The dielectric members are formed of a high-dielectric material. A variable-dielectric-constant materi... | 08/16/2005 |
| 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 |
| 6530119 | Caster structure A caster structure including a seat body, a linking member, a caster seat and a lower bearing cover. The linking member is integrally formed with an upper bearing cover. The seat body is formed with a differential fixing hole and the top of the linking me... | 03/11/2003 |
| 6502280 | Lightweight high capacity industrial caster A lightweight high capacity industrial caster which has three major parts, an upper assembly, a lower assembly, and a roller assembly. The upper assembly includes an upper plate with a first top surface and first bottom surface, the first bottom surface h... | 01/07/2003 |
| 6115882 | Caster with a shaped stem A caster with a stem extending upwards from a base and defining a stem axis and wherein the stem has a hole having a circumference defined by an internal threading for fastening to a correspondingly externally threaded fastener; a bearing for interconnect... | 09/12/2000 |
| 5813090 | Caster with D-shaped stem A caster with a stem generally cylindrical over most of its external circumference, but provided with at least one flat face cut through the cylinder external circumference so as to provide the cylinder with a slight "D" shaped cross section. The stem is ... | 09/29/1998 |
| 5745951 | Directional control caster assembly A caster assembly mountable to a frame leg of a movable frame structure having a caster receiving aperture therein. The caster assembly of a preferred embodiment includes a caster having a caster fork, a caster wheel attached to the caster fork, and a mou... | 05/05/1998 |
| 5593461 | Method of manufacturing a caster with a fouling-resistant bearing cup feature A method of manufacturing a caster includes the step of integrally forming a caster horn having a web portion with a bearing cup and a pair of opposed leg portions. The web portion and the leg portion define a U-shaped, wheel-accomodating space. The beari... | 01/14/1997 |
| 5568671 | Caster assembly with integral plastic stem and horn and with removable axle lock cap An all-plastic, swivel caster assembly has horn and stem molded as a homogeneous unit of plastic. A wheel of molded plastic or plastic-rubber combination, supports the assembly. In one version, the horn sidewalls have fingers forming keyhole-shaped slots ... | 10/29/1996 |
| 5480074 | Mannequin A mannequin having a plurality of body sections with each of the body sections being shaped in the form of a mannequin shape of a portion of an individual's body, and a plurality of hinge assemblies for interconnecting the body sections to form a mannequi... | 01/02/1996 |
| 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 |
| 5390394 | Detachable front wheel assembly for a stroller A front wheel assembly for a stroller includes a frame attaching member and a wheel attaching member. The frame attaching member includes a sleeve adapted to be securely attached to a front leg of a stroller and defining a through hole with upper and lowe... | 02/21/1995 |
| 4827564 | Wheel caster frame A wheel caster frame for use in a wet/dry utility vacuum cleaner drum is disclosed. The wheel caster frame is an integral one-piece molded body which is constructed for complementary mounting relative to the bottom and curved outer side walls of the drum,... | 05/09/1989 |
| 4805260 | Expander device An expander device for anchoring in a hole to secure a castor to a part which forms the hole, comprises a conical expander engaged in a sleeve having a conical interior. The expander and the sleeve are mouldings of reinforced plastics material. The expand... | 02/21/1989 |
| 4793021 | Molded caster pintle with high strength core A caster pintle as disclosed having a resilient high tensile strength metal core encapsulated in a molded plastic body having a groove containing a resiliently collapsible friction ring and means for centering the ring in the groove prior to assembly of t... | 12/27/1988 |
| 4720894 | Caster pintle having a sleeve with a ring centering mechanism A caster pintle as disclosed having a resilient high tensile strength metal core encapsulated in a molded plastic body having a groove containing a resiliently collapsible friction ring and ribs for centering the ring in the groove prior to assembly of th... | 01/26/1988 |
| 4120071 | Dual wheel caster A dual wheel caster assembly consisting of an arcuate central horn carrying an axle with projections on either side of the horn that rotatably receive wheels. The axle has recesses that receive annular projections on the wheels for the purpose of retainin... | 10/17/1978 |