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| Number | Title | Issue Date |
| 8146926 | Steerable and convertible running stroller Aspects of the present invention involve a steerable stroller including a rear frame assembly supporting two rear wheels and a front frame assembly, which may take the form of a boom or other frame work, pivotally coupled with the rear frame assembly and supporting ... | 04/03/2012 |
| 8020880 | No-pinch steering mechanism A children's vehicle includes a body and a cross member attached to the body. A tongue assembly features a leading portion, a central portion and a trailing portion, with the central portion pivotably connected to the cross member. A handle is pivotally attached to ... | 09/20/2011 |
| 7699325 | Steerable and convertible running stroller A steerable stroller including a rear frame assembly supporting two rear wheels and a front frame assembly, which may take the form of a boom or other frame work, pivotally coupled with the rear frame assembly and supporting a front wheel. A centering mechanism is p... | 04/20/2010 |
| 7533892 | Steering system for heavy mobile medical equipment In one embodiment of the invention, a steering system for mobile medical equipment is disclosed including left and right steerable wheel assemblies including left and right steerable wheels, left and right parallelogram linkages coupled to the left and right steerab... | 05/19/2009 |
| 7410180 | Door positioning device A door positioning device for use in a ground surface having an elongated platform with an upper surface and a lower surface. The platform also includes a first end portion and a second end portion. At least one wheel is located at the second end portion of the plat... | 08/12/2008 |
| 7353566 | Adjustable wheel assembly An improved wheel assembly comprises a caster fork, a caster wheel rotatably supported by the caster fork, and a caster swivel post defining an axis about which the caster fork rotates. The caster swivel post is being adapted to rotate about a pivot axis within a cy... | 04/08/2008 |
| 7309081 | Four wheel off-road vehicle An off road vehicle comprises a front frame joined to a rear frame by a swivel rotates about a longitudinal axis. Springs are mounted to a horizontal planar structure and to the rear frame. The springs maintain the front frame to rear frame alignment but allows rota... | 12/18/2007 |
| 7256559 | Walking structure of object This invention is a “four-direction moving” structure that can move in all four directions without turning first. It contains two groups of wheels that are arranged perpendicular to one another, i.e. four rows of wheels form a quadrate. Within each group, the wh... | 08/14/2007 |
| 7231689 | Adjustable wheel assembly An improved wheel assembly comprises a caster swivel post that is adapted to pivot about a pivot axis transverse to the caster swivel post. A caster fork is supported for rotation relative to the caster swivel post and rotatably supports a caster wheel. The caster s... | 06/19/2007 |
| 7229092 | Walking aid A strong, light weight walking aid with optional seat that can be used to assist a person in walking and resting on the walking aid. The walking aid collapses so that it can be stored in a small space and the handle can be removed and reattached to make it even smal... | 06/12/2007 |
| 7207403 | Transportable power wheelchair A transportable power wheelchair is provided which employs a variety of detachable modules to facilitate transportation and storage. The wheelchair may be readily disassembled/reassembled by a single individual without assistance and/or the need for special tools. T... | 04/24/2007 |
| 7205730 | Article transport vehicle The invention provides an article transport vehicle that includes: a vehicle body; a first wheel that supports the vehicle body; a second wheel that is disposed spaced apart from the first wheel in a fore-and-aft direction, and that supports the vehicle body; a firs... | 04/17/2007 |
| 7188845 | Combined wagon and associated brake assembly A wagon and brake assembly includes a wagon including a platform having a top surface, a handle section attached to a proximal platform end, and sides protruding upwardly from the platform. The platform is provided with a bore that is intercalated between the platfo... | 03/13/2007 |
| 7159882 | Tricycle and steering assembly In one embodiment of the present invention, a steering mechanism for a children's toy vehicle comprises a non-circular wheel piece connectable to a wheel turning mechanism of a toy vehicle. An arcuate front portion extends along the front periphery of the wheel piec... | 01/09/2007 |
| 7152882 | Mobile carriage The invention provides a mobile carriage which is adapted to shift the center of gravity efficiently by utilizing the weight of wheel rotating means, power source means and control means to thereby increase the weight of a weight portion and reduce the increase in t... | 12/26/2006 |
| 7140622 | Movie camera skate dolly An omni-directional, octagonal shaped, camera skate dolly that includes a platform having a generally planar upper surface, a lower surface and a plurality of side surfaces, and a plurality of wheel assemblies attached to the lower surface of the platform, wherein e... | 11/28/2006 |
| 7055841 | Tricycle and steering assembly In one embodiment of the present invention, a steering mechanism for a children's toy vehicle comprises a non-circular wheel piece connectable to a wheel turning mechanism of a toy vehicle. An arcuate front portion extends along the front periphery of the wheel piec... | 06/06/2006 |
| 7025362 | Manual large game carrying device A manual large game carrying device of the type having an substantially elongated upper receiving bar (30) that accommodates and secures large game at points of securement (32). The manual large game carrying device can be turned by a handlebar configu... | 04/11/2006 |
| 7004483 | Cart for large slabs The Invention is a cart for moving slabs of stone, such as marble and granite. In a first embodiment, main wheel support the weight of the slabs while front and rear end wheel prevent tipping of the cart. A hydraulic system withdraws the wheels, rendering the cart s... | 02/28/2006 |
| 6974140 | Modular multiple dolly moving system A modular dolly moving system is shown, which is composed of one or more dollies connected together with connector rods. The dollies are capable of accepting industry-standard e-track connectors used with cargo belts, and the dollies can be fitted with a variety of ... | 12/13/2005 |
| 6961976 | Mechanism for limiting casters to move forwardly while towing luggage obliquely A caster assembly mounted at either bottom corner of luggage comprises a cavity disposed in an underside of the bottom corner, the cavity including an upright front wall and a slanted rear wall, a wheel mount including a positioning slot in a rear of an upper portio... | 11/08/2005 |
| 6948739 | Operator support pad for a vehicle A pallet truck has a power unit including a main casing for housing drive apparatus and a platform onto which an operator may step and ride while controlling the truck. The casing includes at least one substantially rigid wall member and an operator support pad asso... | 09/27/2005 |
| 6945545 | Multi function hand truck A multi-function hand truck is convertible to allow lifting of a load at a spaced distance from the truck and/or is convertible for use as a wheelbarrow. A pair of lifting arms co-operate with the frame of the hand truck to extend outwardly therefrom and allow the f... | 09/20/2005 |
| 6929275 | Person transport wheelchair A person transport wheelchair has a frame assembly with tubular members attached to connectors supporting a seat, a back rest, and a foot rest. A pair of wheels rotatably mounted on an axle secured to the frame assembly movably support the wheelchair on a surface. T... | 08/16/2005 |
| 6893032 | Caster supported mobile tray A multi-purpose wheeled carrier that includes various surfaces, recesses and unique features for providing alternative methods of containing, sorting and transporting random materials of various sizes, bulk and weight. The base of the carrier has a shallow upstandin... | 05/17/2005 |
| 6874800 | Hospital bed wheel linkage apparatus A patient support including a linkage assembly providing communication between at least one front wheel and at least one rear wheel. ... | 04/05/2005 |
| 6840527 | Tricycle with geared auxiliary steering mechanism A tricycle features a hollow main frame member to which a pair of rear wheels and a seat are mounted. A head tube is attached to the main frame member and a post is pivotally positioned therein. The tricycle front wheel is connected to the lower end of the post whil... | 01/11/2005 |
| 6729631 | Multi-diameter container dolly A multi-diameter container dolly includes an outer ring and a pair of support members, substantially perpendicular to each other that diametrically span the outer ring. The support members are configured to provide a series of nested support surfaces for containers ... | 05/04/2004 |
| 6722675 | Steerable load-carrying assemblies A moveable load-carrying assembly including a chassis (1) having a plurality of wheels (6) arranged as a first wheel set and a second wheel set, each wheel (6) being rotatable and swivellable relative to the chassis (1); the wheels (6 | 04/20/2004 |
| 6719307 | Sideboard system for a camera dolly A sideboard assembly for a camera dolly includes a base attached to the dolly chassis via threaded posts. A platform is slidably attached to the base. A platform brake can be released to allow the platform to slide forward or back on the base, so that the platform i... | 04/13/2004 |
| 6705773 | Three vertical axis omni-boom camera crane with rotational consistency A crane for lifting, moving, and positioning a camera or other object. The Omni-Boom crane configuration allows much more unrestricted movement than a conventional single boom design, using one vertical axis for azimuth pivoting movement, and one horizontal axis for... | 03/16/2004 |
| 6612598 | Rear steering device for a tricycle for children A vehicle for children comprises a frame, a driving member rotatably mounted to a rear end of the frame, a rear steering rod, a driven member, and a belt. The frame comprises a head tube on a front end thereof. A handlebar stem extends through the head tu... | 09/02/2003 |
| 6592132 | Steerable load-carrying assemblies A moveable load-carrying assembly including a chassis (1) having a plurality of wheels (6) arranged as a first wheel set and a second wheel set, each wheel (6) being rotatable and swivellable relative to the chassis (1); the wheels (6) of the first wheel ... | 07/15/2003 |
| 6572059 | Camera pedestal A camera pedestal has a column attachable to a base. The base includes a base plate, side plates and a cover. The base and side plates are flat and are bolted together to facilitate manufacture. A cable guard system on the base has separate guard plates w... | 06/03/2003 |
| 6554298 | Steerable load-carrying assemblies A moveable load-carrying assembly including a chassis (1) having a plurality of wheels (6) arranged as a first wheel set and a second wheel set, each wheel (6) being rotatable and swivellable relative to the chassis (1); the wheels (6) of the first wheel ... | 04/29/2003 |
| 6530589 | Structure of a bicycle for children An improved structure of a bicycle for children is disclosed. The bicycle comprises a front and a rear frame and a flexural mechanism is used to connect the front and the rear frame such that the tricycle can be folded. The upper section of the front fram... | 03/11/2003 |
| 6520642 | Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin... | 02/18/2003 |
| 6508479 | Wagon with wheel braking device A wagon includes a cart body having front and rear wheel units mounted on a bottom side. A steering rod is connected pivotally to a pivot seat that is connected to the front wheel unit. A wheel braking device includes a transmission unit interconnecting t... | 01/21/2003 |
| 6425591 | Modular cart A modular cart comprises a load carrying frame and a wheeled carriage supporting the load-carrying frame. The carriage includes a front carriage assembly pivotally coupled to a front of the frame and a rear carriage assembly pivotally coupled to a rear of... | 07/30/2002 |
| 6405817 | Ride-on vehicle with direction responsive mechanism A children's ride-on vehicle and associated rotation translation assembly are provided. The children's ride-on vehicle includes a body, a plurality of wheels rotatably mounted to the body, and at least one steerable wheel. The vehicle also includes a stee... | 06/18/2002 |
