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| Number | Title | Issue Date |
| 7404566 | Floor suspension system A caster suspension system that employs a linkage between the two casters constraining one to rise when the other falls while keeping moment internal to the system such that there is no tipping of the load carried by the caster suspension system. ... | 07/29/2008 |
| 7360783 | Barbecue device having foldable cart A barbecue device having a brazier positioned on a cubic cart is provided. The cart contains a bottom board with a number of wheels, a pair of side boards, a back board, and doors. Four joint elements are configured at the four corners on the top surface of the bott... | 04/22/2008 |
| 7264265 | Removable and stowable wheel stands for convertible children's carrier devices The invention relates to convertible children's fun-car devices, go-carts and wheeled carriers, and provides removable and stowable wheel stands or chocks that allow for convenient conversion of such wheeled carrier devices from typical rolling devices to fixed, sta... | 09/04/2007 |
| 7255626 | Tutorial and wits-increment toy car This invention is directed to a device of “a tutorial and wits-increment toy car”, mainly consists of a shell body with gear case at both sides, and within the gear case sets up multiple wheels used to act as mechanical powers transfer connection between the mot... | 08/14/2007 |
| 7204509 | Bar cart The bar cart is composed of individual components to be assembled and readily disassembled in a knock-down manner. A body frame is made of four individual skeletal rectangular frames which are interconnected in spaced apart relation. Spacers between the individual f... | 04/17/2007 |
| 7178823 | Portable trailer A transport vehicle includes a bed formed in the rear end thereof. A base is seated on the bed and supports a load-bearing platform opposing the bed forming a storage space therebetween and an opening therebetween into the storage space at the rear end of the vehicl... | 02/20/2007 |
| 7163212 | Portable transportation assembly A portable transportation assembly 10 having a pair of wheels 40, 42 which may be selectively raised and lowered and which is adapted to transport a bathroom assembly 200 in an easy and efficient manner. ... | 01/16/2007 |
| 7146786 | Electric linear deck lift assembly An electric linear deck lift assembly for raising and lowering in a controlled and accurate manner the cutting deck of a lawnmower to a variety of different heights, including preset heights. An electric motor drives a linear drive rod connected to the cutting deck,... | 12/12/2006 |
| 7134155 | Adjustable bed carriage An adjustable bed carriage for supporting a main bed frame above a substantially planar floor. The adjustable bed carriage has one or more first legs, each with an upper end slidably attached to a first end of the main bed frame, and one or more second legs, each wi... | 11/14/2006 |
| 7118115 | Cart with foldable wheels and center pole The present invention concerns a cart with a flat cargo platform adapted to travel in the horizontal direction via foldable wheels mounted respectively via one wheel fork, and with a vertically pivotable pole handle. ... | 10/10/2006 |
| 7077406 | Pedal-controlled movable bottom frame A pedal-controlled movable bottom frame includes a frame body, two movable connecting rods and a position rod. The frame body and the movable connecting rods are respectively provided with two casters and have their ends respectively assembled with four support legs... | 07/18/2006 |
| 6971656 | Movable bottom frame A movable bottom frame includes a frame body, two movable connecting rods and a locking rod. The frame body and the movable connecting rods are respectively provided with two casters and have their ends respectively and pivotally assembled with four support legs of ... | 12/06/2005 |
| 6955368 | Quick assembly, minimal effort carriage for moving heavy objects A kit used for mobilizing heavy objects such as items of furniture, boxes, appliances, etc. The apparatus is based on a plurality of rigid support structures, or “shoes”, which are to be inserted under the corners of the item to be moved. Those support structure... | 10/18/2005 |
| 6729116 | Height adjustment apparatus and method An apparatus and method for adjusting the height of a wheel, particularly a caster wheel, in relation to a structure such as a mower deck of a lawnmower includes a frame member, a hollow guide member, a transverse element, and a lever. The frame member is interconne... | 05/04/2004 |
| 6378280 | Locking mechanism for an interconnecting bar A lawn mower having a deck; wheel assemblies; height adjustment mechanisms positioned intermediate the deck and wheel assemblies; an interconnecting bar positioned between at least two of the height adjustment mechanisms, the interconnecting bar being con... | 04/30/2002 |
| 6311992 | Lift dolly with pedal latch mechanism A lift dolly apparatus is described for use in lifting and transporting objects. A latching mechanism is described which securely latches the dolly in the lifted position and can be easily released by using a foot pedal.... | 11/06/2001 |
| 5908196 | Apparatus for roller skating and roller blading and method thereof A shoe type apparatus is disclosed comprising a roller skate assembly having at least four wheels coupled to a sole portion of the shoe type apparatus for roller skating, and an in-line skate assembly having another set of wheels coupled to the sole porti... | 06/01/1999 |
| 5743541 | Stowable utility trailer A light weight utility trailer which may be readily converted between an operative and a stowable configuration includes a bed or body that pivotally carries a stud shaft to which a tow bar is secured. A pair of wheels are supported by a shaft pivotally c... | 04/28/1998 |
| 5628377 | Goods-handling cart with stabilizing wheels This invention relates to a goods-handling cart having chassis provided with a drive and steer wheel together with two swivelling stabilizing wheels, and at least one spring-effect element which acts on both of the stabilizing wheels via a mechanism that ... | 05/13/1997 |
| 5526633 | Lawn mower having improved deck height adjustment mechanism A lawn mower having a deck height adjustment mechanism for simultaneously adjusting a height of a deck of a lawn mower at all four wheels of the lawn mower by the use of a single hand of the operator. The mechanism includes an index plate having a plurali... | 06/18/1996 |
| 5363633 | Position adjustment structure using an eccentric shaft A device for adjusting the height of a vehicle, by rotating the angle of a base shaft eccentrically supporting a support shaft. Wheels are fitted to a support shaft eccentrically connected to a base shaft rotatably supported by bearings disposed on push-p... | 11/15/1994 |
| 5356257 | Carriage for lifting and moving a container For picking up and moving containers with corner castings on platforms, railway wagons or ships, two carriages are locked one to each end face of the container. These carriages have sets of wheels, which are vertically movable therein and allow displaceme... | 10/18/1994 |
| 5311964 | Apparatus for controlling a front wheel driving force for use in an all wheel drive asphalt finisher The right and left front wheels of an asphalt finisher are each supported by a beam, one end of which is mounted to the body of the asphalt finisher by way of a pin such that the beam can swing, and the other end of the beam is mounted to the end of the p... | 05/17/1994 |
| 5020961 | Transfer car The invention relates to a transfer car for heavy loads, a car which has a chassis frame (1) moving on wheels (2) and having a raisable flatbed (3) on top of it, in which an axle (4'), mounted with bearings to the chassis frame and locked to one of the tw... | 06/04/1991 |
| 4942726 | Mechanism and method for converting a fixed wheel walk-behind mower to a caster wheel walk-behind mower and vice versa .A mechanism and a method for converting a fixed wheeled walk-behind mower into a caster wheel walk-behind mower and vice versa comprising two caster wheel assemblies having wheels mounted in brackets journalled for rotation in frames. Each frame has mean... | 07/24/1990 |
| 4905463 | Single action wheel height adjuster In a lawnmower including a housing and wheels for supporting the housing from a ground surface, a wheel height adjusting mechanism including a crank arm associated with each wheel, the crank arms being coupled together for the conjoint movement thereof, t... | 03/06/1990 |
| 4840233 | Agricultural implement having rock shaft actuated transport wheel frames A height adjusting mechanism for a framework that supports a multiplicity of ground working tools of an agricultural implement operating at variable depths of ground penetration is disclosed. The variability is acheived by rotation of framework supporting... | 06/20/1989 |
| 4835952 | Lawn mower height adjustment linkages A lawn mower height adjustment linkage which is actuated by the rotation of a hand crank mounted on the mower's handle. The linkage raises or lowers the lawn mower deck relative to the ground by moving all four wheels of the mower simultaneously. The hand... | 06/06/1989 |
| 4762183 | Farming implement with adjustable earthworking tool framer The linkage mechanism between the front and the rear wheels of a farming implement includes a front and a rear arm the free ends of which suspend the respective wheels. Each arm has a transverse bracket near its other end. The bracket defines, at its free... | 08/09/1988 |
| 4691785 | Reversible plow and carriage There is disclosed a carriage for an agricultural implement, particularly for a reversible plow, in which the wheels at each side of the carriage are mounted to the carriage with forks which are pivotally received on a main axle and which have lift arms i... | 09/08/1987 |
| 4655296 | Farming implement with wheel depth control A farming implement is disclosed having a series of wheel subassemblies supporting a towed frame. Each subassembly has a front wheel, preferably a castor wheel, and a rear wheel arrangement. According to the invention, the rear wheel arrangement is secure... | 04/07/1987 |
| 4511004 | Apparatus for drilling a plurality of bores in a lawn An apparatus of the type designed to drill a plurality of equidistantly spaced bores of differing diameters in a lawn. The bores of smaller diameters are intended to aerate the lawn to provide holes into which seeds, water, and fertilizer can be deposited... | 04/16/1985 |
| 4423788 | Agricultural furrow forming apparatus depth control An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pa... | 01/03/1984 |
| 4387772 | Farming implement and elevation control therefor The invention has been designed to be applied to conventional agricultural tillage equipment. The invention provides a new and improved mechanism for lifting and lowering, controlling and maintaining an accurate level of the equipment. It consists of a si... | 06/14/1983 |
| 4374592 | Vehicle transporter A vehicle transporter is disclosed, for use in filming scenes in which characters are shown as occupying a moving vehicle, and in which the characters, and adjacent parts of the vehicle, appear in the foreground, and which transporter can also be used for... | 02/22/1983 |
| 4321784 | Height of cut adjustment A lawn mower (2) is moveably supported by wheels (14) and (16). Wheels (14) and (16) are eccentrically mounted on front and rear link members (24) and (28) which are respectively joined together in pairs by through axles (30). Two flexible cables (32) and... | 03/30/1982 |
| 4317489 | Ground-working implement and lift linkage therefor A drawn moldboard plow includes a lift linkage for the rear furrow and ground wheels which improves ground penetration by causing the plow frame to roll as it is lowered so the share points contact the soil first. A hydraulic cylinder contained within a p... | 03/02/1982 |
| 4274644 | Four wheeled hand truck A hand truck having a platform; a pair of wheel-connecting bars rotatably attaching to the platform; a plurality of wheels connecting to the bars, at least two of the wheels being rotatable thereon; and a handle member pivotally connecting at two points o... | 06/23/1981 |
| 4252495 | Mechanical handling apparatus Mechanical handling equipment comprises a lift truck and a self powered pallet truck which is lifted into a trailer, etc. to be loaded by the lift truck with the load. The pallet truck is then remotely controlled by the lift truck driver to position the l... | 02/24/1981 |
| 4224785 | Combined axle, bumper and safety guard for walk-behind mower A walk-behind mower includes a pair of vertically adjustable front wheels supported on a unitary axle having an offset central portion, which serves as a bumper to protect the mower deck from striking foreign objects when the wheels are set for lower cutt... | 09/30/1980 |
