Adjusting Wheels Patents (Class 280/64)
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Patent number: 8967656Abstract: A mobilization device adapted to be attached to a piece of conveying equipment such as a gurney. The device includes a base having a top and a bottom. The base supports an axle housing. An axle is disposed in the axle housing and extends therefrom. Wheel assemblies are disposed on the axle. The device includes a coupling receiver mounted on the top of the base. The coupling receiver includes a receiving element that can hold a support structure of the conveying equipment and hold the wheels of the conveying equipment off of the ground. The wheel assemblies of the device are used to move the conveying equipment and include tires having a relatively larger height and width to aid in increasing the mobility of the conveying equipment.Type: GrantFiled: March 18, 2011Date of Patent: March 3, 2015Assignee: Enhanced Mobilization System, Inc.Inventor: Kevin Wilson Lawless
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Publication number: 20140262579Abstract: A two-wheel movable platform, carrier, or base having canted wheels is disclosed. In one embodiment, the two-wheel movable platform, carrier, or base includes adjustable canted wheels in which the angle of the canted wheels is adjustable. In this embodiment, the two-wheel movable platform, carrier, or base includes a pair of wheel assemblies mechanically coupled to a battery housing. Each of the wheel assemblies includes, for example, a mounting plate, a drive motor arranged in a motor housing, a canted wheel that is driven by the drive motor, and an angle-adjusting motor for adjusting the angle of the canted wheel. In another embodiment, the two-wheel movable platform, carrier, or base includes canted wheels that are set at a fixed angle.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: OPOBOTICS, INC.Inventors: Colin Parker, Vikram B. Shah
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Patent number: 8684412Abstract: A Collapsible Trailer. The trailer is lightweight, but durable, and includes a set of detachable deck segments that can be assembled into a deck. The trailer further includes a suspension assembly that attaches to the deck once the deck is assembled or, alternatively, is permanently attached to one deck segment. Intra-deck segment support is provided by slidable rods that are extendable to bridge between a pair of adjacent segments. Each deck segment has a male edge to be inserted into a female edge to create an exceedingly strong, interlocking hinge-like structure. The deck and trailer can be assembled without the need for any tools. The deck segments, when disassembled, are stackable into a condensed deck stack. A foldable suspension facilitates the stackable storage and transportation of the trailer. The trailer is convertible into a cargo platform that can be attached directly to a conventional trailer hitch receiver on a vehicle.Type: GrantFiled: April 2, 2012Date of Patent: April 1, 2014Inventor: Karl M. Steins
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Publication number: 20130228385Abstract: A personal vehicle having two wheels that are arranged substantially side-by-side and connected by a linkage mechanism to one another. The linkage mechanism supports the wheels in a substantially parallel relationship as the two wheels tilt from side to side. A foot placement platform is associated with each wheel, as is a motor to drive the wheels. Gyroscopic sensors are used to in driving the wheels to maintain an upright position. Various embodiments are disclosed including folding platforms, a parallelogram linkage structure, handles and/or seats that may extend above the wheels, lower leg contact surface, and other features.Type: ApplicationFiled: January 7, 2013Publication date: September 5, 2013Inventor: Shane Chen
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Patent number: 8517400Abstract: In a steerable traveling trunk, a driving part is provided for converting a horizontal axis rotation of the handle into a vertical axis rotation at both ends of the handle and transferring the rotations as a user rotates the handle. A driving force transfer part is connected to the driving part and transfers rotational force of the driving part to a lower side of the traveling trunk body. An output part is connected to a lower side of the driving force transfer part and transfers rotational force depending on the rotation of the handle, to the wheels, thus adjusting steering angles of the wheels, and allowing the traveling directions of the trunk to be easily changed.Type: GrantFiled: November 2, 2009Date of Patent: August 27, 2013Inventor: Yun-Sik Kim
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Patent number: 8408563Abstract: A sulky includes a frame having a cross-member and a pair of shafts spaced from each other and extending from the cross-member forwardly along an axis. A first wheel support and a second wheel support each rotatably extend downwardly from the frame and each engage wheels, respectively. Each of the first and second wheel supports includes an adjustment feature defining a plurality of adjustment positions. The wheels are engaged with the first and second wheel supports, respectively, and are independently adjustable relative to the first and second wheel supports, respectively, to any of the adjustment positions. The plurality of adjustment positions of the first and second wheel supports are located along lines generally extending rearwardly along the axis and upwardly relative to the axis.Type: GrantFiled: April 18, 2012Date of Patent: April 2, 2013Inventors: Beverly W. Ross, Gary Helzerman, Larry Carlson, Tamaira Ross
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Patent number: 8118145Abstract: A suitcase with wheels that is convertible to be a pushcart or pull-cart upon which a traveler can load other luggage items and pull or push the suitcase for easy movement of several pieces of luggage simultaneously. When the suitcase is not being used as a pushcart or pull-cart it functions as a traditional “wheelie bag.Type: GrantFiled: June 8, 2007Date of Patent: February 21, 2012Inventors: Regev Hamamy, Egale Hamamy
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Publication number: 20100225079Abstract: A two-wheel moving device includes a fixed shaft fixed to one side of a body; first and second swing arms having one ends pivotally coupled to the fixed shaft, respectively; a first varying shaft mounted at the other end of the first swing arm in parallel with the fixed shaft; a second varying shaft mounted at the other end of the second swing arm in parallel with the fixed shaft; a first wheel rotatably coupled to the first varying shaft; a second wheel rotatably coupled to the second varying shaft; a first extendable arm having elasticity and having one end coupled to the first swing arm and the other end coupled to the body; a second extendable arm having elasticity and having one end coupled to the second swing arm and the other end coupled to the body; a first motor used for rotating the first wheel; and a second motor used for rotating the second wheel. An autocycle includes such a two-wheel moving device.Type: ApplicationFiled: October 10, 2008Publication date: September 9, 2010Inventors: Yong Bum Kwon, Hyun Sik Jang
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Publication number: 20090108550Abstract: A wheel connection apparatus is disclosed. The wheel connection apparatus includes a first axis rotatably connected to a wheel, a second axis rotatably connected to a cleaner body, and a frame that supports the first axis and the second axis and prevents the first axis and the second axis from becoming separated from the cleaner body and the wheel, the first axis and the second axis being arranged at a predetermined distance from each other.Type: ApplicationFiled: March 28, 2008Publication date: April 30, 2009Inventor: Hyeon-joon Oh
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Publication number: 20090020971Abstract: A shopping cart includes a basket including structural rods and opposing rods, a substantially flat front member, a substantially flat back member, a first rotatable side member to connect to the substantially flat front member, and a second rotatable side member to connect to the substantially flat back member. The first rotatable side member and the second rotatable side member rotate to expand and reduce the depth of the shopping cart. The substantially flat front member is U-shaped, and the substantially flat back member is U-shaped. The shopping cart includes a bottom frame member to rotate adjacent to the back frame member, and the shopping cart includes a shelf frame member to rotate adjacent to the back frame member. The shopping cart includes a bag holder member, and the bag holder member is slidable.Type: ApplicationFiled: July 18, 2007Publication date: January 22, 2009Inventor: Edgard Makdisse
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Patent number: 7111851Abstract: The compact carrier is a compact, lightweight carrier for personal articles such as a child's book bag or backpack. The compact carrier comprises an open base cradle adapted for carrying heavy personal articles. A pair of wheels are disposed on opposing ends of the open base cradle, and a tether is coupled to the base cradle 20 for pulling the compact carrier. The base cradle is formed of two semi-cylindrical half members that are slidably joined together such that the base cradle bay be extended in width for use, or compacted in width for storage. In use, heavy personal articles such as a child's book bag or backpack are placed on or within the base cradle, and secured in place by straps disposed along the tether.Type: GrantFiled: July 12, 2004Date of Patent: September 26, 2006Inventor: Sharon B. Duncan
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Patent number: 7083184Abstract: A vehicular collapsible trailer comprising a platform (11) made of two longitudinal sections (28, 30) hingely mounted about a third central section (20). Front and rear flanges (16, 22) abut against the longitudinal sections and maintain the platform in its load carrying position. Two flanges (64A, 64B) along the distal ends of the longitudinal sections abut against central section to provide a folded trapezoid stowage position. Suspension joints (52) are fixed about the exterior edges of the longitudinal sections, and collapsible arms (82, 84) joined to axle (66) facilitate the platforms' progression to open and closed positions. A permanent hub (70) and wheel assembly is mounted to each axle end.Type: GrantFiled: October 7, 2003Date of Patent: August 1, 2006Inventor: William Crayton Sawyer
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Patent number: 6935656Abstract: A receiver hitch-mountable utility cart has a support frame for supporting a payload, a hitch arm rigidly attached to the support frame, the hitch arm shaped to engage a receiver hitch bar of an over-the-road vehicle, a wheelbase assembly with wheels for transporting the cart with the wheels on the ground, and a user-operable translation mechanism connecting the wheelbase to the frame, enabling the frame to be raised and lowered relative to the wheelbase by operation of the translation mechanism, such that the cart, in an uppermost position, may be aligned and connected to the receiver hitch bar of the over-the-road vehicle, and the wheels may then be retracted to carry the cart entirely on the receiver hitch bar.Type: GrantFiled: May 28, 2002Date of Patent: August 30, 2005Inventor: James Veril Stout
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Patent number: 6561529Abstract: A multi-purpose, collapsible portable cart, for use in camping, hunting and other outdoors activities carries medical rescue carts, canoes, small boats, game, or hauled cargo by hand. The portable cart can be converted to a various uses and the portable cart can be folded down and transported within a backpack, hand carried bag, canoe or boat. It transports injured persons or cargo over long, rough terrain and it can broken down into a carrying position, by hand or by back. Its width can be varied to accommodate cargo of varying widths. Two or four wheeled versions can be assembled with axles and wheels. The cart has optional removable clamps for clamping a conventional transportable carrier, such as a stretcher or stokes-type rescue carrier bed, thereto. The objects being carried can be held by clamps, by fasteners, or through the use of insertions with longitudinally extending channels. An optional pivotable kickstand and/or tie rods can stabilize the cart in a position of rest.Type: GrantFiled: August 24, 2001Date of Patent: May 13, 2003Inventor: Charles W. Darling, III
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Patent number: 6374937Abstract: Motorized chassis, base, cart and/or carriage apparatus and methods for supporting mobile medical imaging systems. Such apparatus having precision propulsion mechanism to mechanically guide, advance and retract medical imaging equipment about a body of a patient. The invention further including methods of manufacture and use thereof.Type: GrantFiled: October 26, 1999Date of Patent: April 23, 2002Inventors: John Galando, Joseph Giamona
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Patent number: 6354613Abstract: A racing sulky, including an arch including a transverse member and a pair of struts, a pair of rails adjacent the arch, the struts extending downwardly and forwardly from the transverse member, wherein the transverse member defining a main plane, supported on the plane being oriented substantially parallel to a ground plane, and a wheel rotatably supported on each of the struts.Type: GrantFiled: May 19, 2000Date of Patent: March 12, 2002Inventors: Craig Stein, Aaron L. Mulrooney
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Patent number: 6247711Abstract: A sulky that comprises an upper support having a seat attached thereto via a seat support member and further having at each end an outer frame member and an inner frame member; a pair of axles, each of which are disposed between one of the outer and the inner frame members, and onto which are rotatably mounted, via a wheel hub, a pair of wheels; a pair of shafts for harnessing the sulky to a horse, each of the shafts having a pivot connection along its length; and a pair of fork assemblies, each having a pair of forks which are joined at one end so as to be pivotably secured to the pivot connection along one of the shafts. The unjoined ends of the forks are rotatably connected to one of the axles on opposite sides of the wheel hub. The wheels are configured to pivot around said pivot connection upon the exertion of a sideways displacement force at the wheels. In one embodiment of the invention, each of the pair of axles is horizontally slidably secured to the outer and inner frame members.Type: GrantFiled: March 12, 1999Date of Patent: June 19, 2001Inventor: Michael Saraydar
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Patent number: 6095536Abstract: A racing sulky to be drawn by a horse, the sulky including a pair of rails (12) each having a first end (16) and a second end (18). From the second end (18), a first segment (28) extends forwardly and inwardly, a second segment (30) extends forwardly and outwardly from the first segment (28) and creates a first bend (22) therebetween. A third segment (32) extends inwardly toward a centerline CL from second segment (30) and creates a second bend (24) therebetween. The first, second, and third segments (28, 30, and 32) extend upwardly at the same angle, and a fourth segment (34) extends forwardly, outwardly, and downwardly from the third segment (32) terminating at the first end (16). A transverse member (36) spans the rails (12) and is attached to the second ends (18) of the rails (12). The transverse member (36) extends laterally beyond the second ends (18), and terminates in a pair of transverse member ends (38).Type: GrantFiled: October 29, 1999Date of Patent: August 1, 2000Inventors: Craig Stein, Aaron L. Mulrooney
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Patent number: 5857686Abstract: An improved horse drawn sulky for harness racing, which is inexpensive to manufacture, and which compensates for the lateral forces caused by banking of the track and turning. The frame of the sulky is formed so that the wheel on the outside of the track is forwardly offset relative to the wheel on the inside of the track. In addition, the frame affords each wheel a camber which more nearly aligns the wheels with the surface of the track. The simple offset design improves traction on a banked track and improves tracking in turns.Type: GrantFiled: March 23, 1998Date of Patent: January 12, 1999Inventor: Howard George Millington
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Patent number: 5584639Abstract: A tow trailer assembly for towing a single pallet of material behind an automobile or truck and having a substantially rigid fork frame with apparatus for connecting the trailer to the towing vehicle at one end and forks for engaging and lifting the pallet at the other end. A wheel support frame is pivotally connected to the fork frame and a hydraulic lifting cylinder is provided for moving the wheels downward relative to the fork frame to raise the fork frame into a towing position with the load substantially centered over the trailer's wheels.Type: GrantFiled: October 14, 1994Date of Patent: December 17, 1996Inventor: Esler C. Walker, Jr.
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Patent number: 5313817Abstract: A wheelable cooler includes a cooler body and a pair of wheelgear assemblies. The cooler body is generally boxlike in form, and the wheelgear assemblies include a U-shaped handle, with extension arms extending from a crossbar. The wheelgear assemblies also include fender assemblies, each including a fender body that carries a wheel. A mounting member extends from the fender body at a selected angle, with a handle extension arm is slidably carried in each mounting member. The handle is movable between a retracted position in which the extension arms are inserted into the mounting members, and an extended position in which the extension arms are only partially inserted into the mounting members. Detent assemblies lock the extension arms in the retracted and extended positions. A support rod joins the fender assemblies, extending through each fender assembly and carrying the cooler body.Type: GrantFiled: May 7, 1993Date of Patent: May 24, 1994Inventor: Larry L. Meinders
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Patent number: 5062652Abstract: A sulky adapted to be pulled by a horse includes a rigid frame having rear and forward cross members and a pair of transversely spaced thills connected to and extending forwardly from the cross members. An elongate tubular frame member is used to mount a driver's seat on this rigid frame. A pair of transversely spaced, downwardly extending wheel mounts are pivotally connected at their upper ends to the rigid frame. A ground engaging wheel is rotatively connected to the lower end of each wheel mount. A torsion bar suspension mechanism is connected to both of the wheel mounts and the rigid frame for yieldably supporting the frame on the wheels. A shock absorber mechanism connects the tubular frame member to the rear cross member while the front of the tubular frame member is pivotally connected to the forward cross member.Type: GrantFiled: March 7, 1989Date of Patent: November 5, 1991Inventor: Mervin G. Burke
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Patent number: 4392687Abstract: A trailer comprises a container supported between a pair of scissors lifts having first and second arms movable about a pivot by a ram. The arms support the container by a pair of rollers and a mounting lug. The mounting lug comprises a lug on the container for engagement with a pair of U-shaped slots, a tilt slot and a lift slot. The lug engages the lift slot when the trailer is to be lifted. For tilting the lug engages the tilt slot thereby causing the rollers to disengage the container to permit tilting.Type: GrantFiled: May 20, 1981Date of Patent: July 12, 1983Assignee: Institute for Industrial Research & StandardsInventor: Denis O'Connell
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Patent number: 4152004Abstract: In a wheeled vehicle such as an excavator, a pivotable axle for two of the wheels can be locked against pivoting by means of two blocking cylinders each of which is controlled by its own valve. Each valve is closed by venting a control conduit and applying a valve member against a seating, the valve member being subjected to the action of a return spring.Type: GrantFiled: June 2, 1977Date of Patent: May 1, 1979Assignee: Leibherr Hydraulikbagger GmbHInventor: Klaus D. Schroder
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Patent number: 4014310Abstract: Apparatus for the throwing of clay pigeon type targets, including a throwing arm and an automatic target loading device therefor, is mounted on a trailer chassis so as to be transportable. The transportable target throwing apparatus also includes mechanisms for immobilizing and leveling the chassis on which the loading device and throwing arm are mounted and a shield which protects the loading device and throwing arm from errant shots when in use. The shield, or protective cover, is partially removable from the trailer to permit unobstructed operation of the apparatus.Type: GrantFiled: March 27, 1975Date of Patent: March 29, 1977Inventors: Jean-Michel Laporte, Jean-Claude Laporte
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Patent number: 3960385Abstract: A leveling system for controlling the relative attitude between the sprung and unsprung portions of the vehicle, which includes at least one leveling strut comprising a cylinder connected at one end to one of the vehicle portions, a valved piston reciprocally mounted within the cylinder, a piston rod connected to the piston and projecting from one end of the cylinder and adapted for connection to the other end of the vehicle portions, a quantity of damping fluid within the cylinder for damping reciprocal movement of the piston, means defining a gas chamber containing a quantity of gas, a partition for separating the gas from the damping fluid, and means for varying the pressure of the gas in order to control the relative attitude between the sprung and unsprung portions of the vehicle.Type: GrantFiled: October 24, 1974Date of Patent: June 1, 1976Assignee: Monroe Belgium N.V.Inventors: Johan H. Keijzer, Willy R. J. Pierle, G. Van de Voorde
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Patent number: 3931987Abstract: A trailer improvement wherein two trailers can be connected together, back-to-back, to double the load-carrying capacity, and the axle assemblies can be moved so that the wheels are in the proper location to assure that optimum mobility and load-carrying capacity of the interconnected trailer can be realized. The interconnected trailer can be separated and converted to two single trailers when desired.Type: GrantFiled: March 24, 1975Date of Patent: January 13, 1976Inventor: Robert G. Holliday