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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 |
| 8387209 | Caster with dual offset orbital mounting assembly A caster assembly has a dual pivot assembly in the caster mounting that is laterally offset, whereby the caster wheels may not only pivot about a wheel pivot axis that extends through the plane of the caster wheel, but also revolve orbitally about a mounting pivot a... | 03/05/2013 |
| 7552508 | Caster attachment system A caster attachment system includes an upper section and a lower section. The upper section mounts to a piece of equipment. The lower section provides a post for the mounting of a caster. A shaped key on the lower section fits within a receiver socket on the upper p... | 06/30/2009 |
| 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 |
| 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 |
| 7318628 | Multiple directional wheel A multiple directional wheel includes a frame having a central hub rotatable about a main axis, a plurality of roller supports radially spaced from the central hub, and a plurality of rollers evenly spaced around the circumference of the wheel and rotatably mounted ... | 01/15/2008 |
| 7311329 | Anti-tip wheel for a wheelchair A wheelchair is provided with front anti-tip wheels adapted to assist the wheelchair in mounting an obstacle that the wheelchair approaches obliquely. The anti-tip wheels may function as casters, capable of rotating about a vertical axis, or may be fixed for rotatio... | 12/25/2007 |
| 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 |
| 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 |
| 7162772 | Bracket for temporarily attaching wheels and/or casters to objects at a variety of angles A bracket for temporarily attaching wheels and/or casters to objects at a variety of angles includes a horizontal member for supporting an object on an upper surface and for mounting a wheel or caster on a lower surface; and an attached substantially vertical side m... | 01/16/2007 |
| 7146683 | Articulated caster An apparatus for supporting an object includes a base assembly and at least three wheels pivotally attached to the base assembly. A pivot arm includes a flange plate at an upper end for attachment to the object. An opposite lower end of the pivot arm includes a univ... | 12/12/2006 |
| 7128494 | Method and apparatus for securing a caster wheel An integrally formed caster socket is provided in a tubular framing member for a merchandising display or the like. The framing member has aligned stem receiving holes with the upper hole being on an outwardly domed frusto-conical shaped area and the lower hole is o... | 10/31/2006 |
| 7086120 | Caster for shopping and transport trolleys A caster for shopping and transport trolleys which are suitable for conveyance on travelators, includes a wheel fork provided with fork arms and carrying an axle body having a round cross-section and extending through a hub which is arranged between the fork arms an... | 08/08/2006 |
| 7040309 | Axle housing for a support stand for an automatic ball throwing device The present inventions provides a directing device for controlling the orientation of a ball launching device, comprising a first member, a second member pivotally attached to the first member, and a third member disposed substantially parallel to the second member,... | 05/09/2006 |
| 7007958 | Wheel for audio-visual component support system and an audio-visual component support system A support system for supporting audio/video components, including a front support structure which is stationary with respect to the support system, at least one rear support which includes a wheel at the bottom of the rear support arranged to roll in a forward and a... | 03/07/2006 |
| 6938300 | Wheel assembly for a stroller A wheel assembly for a stroller includes a wheel with a rim that has two vertical side surfaces and a vertical central plane. A vertical pivot shaft is disposed within a mounting space in the wheel, is located in the central plane, and extends through a fixed seat t... | 09/06/2005 |
| 6931692 | Kingpin-free caster assembly A kingpin-free caster in which a plate is assembled onto a yoke with ball bearings therebetween and the plate is deformed in place upon the yoke to capture the ball bearings between the yoke and plate and couple the yoke and plate together against removal. ... | 08/23/2005 |
| 6880203 | Independently rotatable, split tread, single wheel assembly An independently rotating, split tread wheel assembly includes a pair of disks each having an outer tread formed of rubber or polyurethane compounds and supported on the periphery thereof. Each disk includes a central opening that receives a ball bearing assembly. A... | 04/19/2005 |
| 6826800 | Insert-and-play caster assembly An insert-and-play caster assembly. The assembly includes a base frame and a caster for assisting transporting loads. The base frame can be easily inserted and fixed to the downward surface of a load, and thus one or more such insert-and-play casters are attached to... | 12/07/2004 |
| 6757936 | Wheel of traveling structure Problems in a conventional wheel of a traveling structure are solved, which in a traveling toy, the lateral movement cannot be performed reducing a game fascinating aspect and it is difficult to differentiate the toy from other traveling toys, and when a field is fu... | 07/06/2004 |
| 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 |
| 6701570 | Standardized furniture unit and bracket therefor A standardized furniture unit including at least two substantially vertical side panels, bracing extending between the side panels, the intersection of the bracing and the side panels defining interior corners, and a bracket disposed in at least one inter... | 03/09/2004 |
| 6588059 | Snap-fit plastic caster A plastic caster has two legs for mounting a wheel(s) and a fork assembly with a bearing housing portion formed around a bearing assembly with inner and outer ring-shaped raceways and bearings evenly dispersed in a cage between the inner and outer raceway... | 07/08/2003 |
| 6550100 | Caster assembly with multi-position support pieces The present invention is directed to a caster assembly for supporting an object. The caster assembly includes a caster, a caster axle and a pair of support pieces, at least one of the support pieces being rotatably mounted on the caster axle. The support ... | 04/22/2003 |
| 6449801 | Add-on front wheel castors for jogging stroller A set of add-on front castors or casters, configured for attachment to a conventional three wheeled jogging stroller. The add-on front castor set includes a crossbar with a first crossbar end, a second crossbar end and a mid-crossbar. A first castor mount... | 09/17/2002 |
| 6408482 | Standardized furniture unit and bracket therefor A bracket for a furniture unit including an upper mounting plate and a lower mounting plate, one of the upper and lower mounting plates providing a mount for a caster, the other of the upper and lower mounting plates providing a mount for a leveler. A bra... | 06/25/2002 |
| 5924165 | Caster foot with accessory storage A caster foot assembly for use with an appliance such as a wet/dry vacuum is disclosed. The caster foot assembly comprises a body; at least one vacuum accessory securing post in the body; and a caster receptacle in the body, wherein the securing post and ... | 07/20/1999 |
| 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 |
| 5598605 | Wet/dry utility vacuum cleaner with a wheel mount A utility vacuum cleaner tool caddy for utility vacuum cleaner drums as well as an axleless wheel mount are disclosed. The tool caddy has rear and front wheels with integral rear and front bumpers at least partially overlying the rear and front wheels. Th... | 02/04/1997 |
| 5507069 | Articulated caster An articulated caster is described which provides a base having more than two casters attached thereto and disposed radially away from the approximate geometric center of the base. A pivot arm includes a pivot housing for receiving and maintaining a pivot... | 04/16/1996 |
| 5408723 | Swivel wheel assembly A swivel wheel assembly which is easy to assemble and convenient for use includes a tube plug inserted into a tube leg, a pivot pin inserted into the tube plug and a rotary member rotatably secured on the pin. The rotary member supports a shaft and pair o... | 04/25/1995 |
| 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 |
| 5313686 | Tool caddy for attachment to container, particularly for a vacuum cleaner tank A caddy is placed on a tank where the tank has receptacles beneath it for removably receiving casters. The caddy has support elements which are spaced apart at the spacing of the receptacles around the tank and the caddy being adapted to be placed on the ... | 05/24/1994 |
| 5215321 | Transport device for moving objects A transport device for moving objects standing on legs having a support unit for a leg (42) of the object. The unit includes a support frame (2), a wheel (10), and a leg engaging apparatus (14, 16, 28, 32, 40) arranged on the support frame at sidewards di... | 06/01/1993 |
| 5199131 | Thermoplastic caster assembly A caster assembly has a stem and ball bearing retainer made of a single homogeneous unit of reinforced plastic, a horn made of a single piece of reinforced plastic, a bottom bearing retainer made of a single piece of reinforced plastic, an upper set of ba... | 04/06/1993 |
| 5136751 | Wheel assembly A wheel assembly designed to be adhesively attached to an article. The assembly includes a mounting plate having an upper surface with an adhesive layer and a peel-away protective cover. The cover is designed to be removed to reveal the underlying adhesiv... | 08/11/1992 |
| 5119525 | Castor structure The self-orientatable twin castor has a support made of plastics for a pair of coaxial wheels. The support is constituted by a tubular hub with which a substantially semicircular wall, arranged in the median plane of the castor, is rigidly associated in a... | 06/09/1992 |
| 5078221 | Steering roller arrangement for a three-wheeled vehicle A steering roller arrangement for a trackless floor vehicle in the form of a so-called three-wheeled vehicle is described. With this vehicle, in addition to two running wheels, a steering roller is provided which can be swiveled about a vertical axis by m... | 01/07/1992 |
| 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 |
| 4759097 | Wheel bracket assembly having two part wheel bracket and a method of making the wheel bracket assembly A wheel bracket assembly includes two separate, platelike bracket parts which each have a noncircular opening therein and are disposed on opposite sides of a wheel in angular alignment. The ends of the axle for the wheel extend through the noncircular ope... | 07/26/1988 |