| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 280043000 | Vertically adjustable wheels | 36 |
| 20090230644 | Utility Cart - A utility cart is provided for storing and transporting automotive repair supplies and equipment. The cart can comprise a part compartment, a tool storage compartment, a grease gun compartment, and a handle. The part compartment can define a holding area configured to laterally and vertically support an item disposed therein. The tool storage and grease gun compartments can likewise be configured to receive tools and other items. The cart can be a useful tool not only for facilitating vehicle repair and maintenance, but for other tasks as well. | 09-17-2009 |
| 20090295108 | Mobile Ball Hopper and Sport Bag Carrier - A carrier for sporting equipment is disclosed that includes a hopper that has an outer peripheral flange and defines a volume for receiving the sporting equipment therein. A hopper supporting means comprise an adjustable peripheral support and a plurality of height-adjustable legs. Each leg has an upper end fixed to the peripheral support at a band attachment means thereof, and a lower end that terminates at a wheel assembly. A lid may be included for covering the hopper and for providing a substantially horizontal surface. Preferably the adjustable peripheral support comprises a resilient band that has an adjustment hand crank attached therealong for adjusting the size of an aperture formed by the band. Each leg is preferably telescoping and further includes a locking means for selectively fixing the height of the leg. | 12-03-2009 |
| 20110278808 | ADAPTABLE MOBILITY AID DEVICE FOR LEVEL AND INCLINED WALKWAYS AND FOR STAIRS - An adaptable mobility aid device is disclosed that has length-adjustable front and rear legs, a handle, and a knee support platform coupled to the legs and the handle, the legs being adjustable within a range of lengths suitable to straddle steps for ascending and descending stairways, as well as to function on the level, or on a ramp. The lengths of the legs can be adjusted in tandem via single-hand operability of an adjustment mechanism. The knee support platform provides support for an impaired lower leg of a user, not requiring the leg to contact the stairs, and also not requiring the leg to be held mid-air in a hopping motion. The handle enables one-handed use of the adaptable mobility aid device. In some embodiments, spring loaded pins or a pull bar to activate the pins, enable the single-hand operability of the adjustment mechanism. | 11-17-2011 |
| 20120319368 | PACKAGE INCLUDING A BOX-LIKE CONTAINER AND A USE OF THE PACKAGE - A package ( | 12-20-2012 |
| 20130020775 | HALF AXLE, AND VEHICLE COMPRISING AT LEAST ONE SUCH HALF AXLE - The present invention relates to a half axle articulated on a structural element of a vehicle, comprising a wheel rotatably movable around an axis of rotation relative to a shaft the structural element defining a reference plane substantially parallel to the ground when the wheel rests on the ground, also comprising a pivot system for pivoting relative to the structural element around a pivot axis the half axle also comprises an actuating system including means for translating the wheel along a hoisting axis permanently tilted by an incline angle comprised between 60 degrees and 90 degrees, relative to the reference plane. The invention also relates to a vehicle, equipped with a chassis comprising at least one structural element also equipped with at least one half. | 01-24-2013 |
| 20130075991 | WHEELCHAIR - According to one embodiment, a vehicle frame, front wheel which is formed of a universal caster, a pair of rear wheels, and a lift-up wheel which is formed of a universal caster and is provided at a lower portion of the rear end part of the vehicle frame such that the lift-up wheel is capable of being elevated between a ground-contact position and a non-ground-contact position by an elevation mechanism, the lift-up wheel being configured such that the lift-up wheel, together with the front wheel, movably supports the vehicle frame in a lowered state of the lift-up wheel at the ground-contact position. | 03-28-2013 |
| 20130119625 | WHEELED CONTAINER WITH REPOSITIONABLE AXLE - A container includes a body having base wall and a side wall extending upward from the base wall. The body includes a bracket portion having an elongated slot. An axle extends through the elongated slot. The axle is slidable in the elongated slot between a deployed position and a retracted position. A wheel is connected proximate one end of the axle. A clip secures the axle within the elongated slot. | 05-16-2013 |
| 20160375943 | METHOD OF MOUNTING AN ATTACHMENT TO A UTILITY VEHICLE - A utility vehicle with adjustable wheel assemblies to accommodate different weight attachments selectively engageable with the vehicle. Adjustment assemblies are provided to engage each of the front wheel assemblies. Each adjustment assembly includes a guide plate, a first arm of a first length and a second arm of a second length. The operator will select the appropriate one of the first and second arms to secure to the guide plate and to one of the front wheel assemblies. The guide plates include holes therein for locking the selected one of the arms in a particular orientation. This is accomplished by inserting a pin through an aperture in the selected first or second arm and one of the holes in the guide plate. A first end of the selected first or second arm is secured to the guide plate and a second end thereof is engaged with the associated wheel assembly. | 12-29-2016 |
| 280047000 | Wheel adjusted by its own power | 1 |
| 20160000636 | WALKING AID - The present invention relates to the walking aid field. The present invention provides a walking aid, including a support frame, with a plurality of support legs disposed at a bottom of the support frame, and omni-directional wheels disposed on the support legs, wherein a buffering structure is further disposed between each support leg and each omni-directional wheel. In the walking aid provided by the present invention, a buffering structure is disposed between a support frame structure and an omni-directional wheel of the walking aid. On the one hand, the buffering structure may have a buffering effect in use of the entire walking aid, and when the walking aid contacts the ground, can act as a buffer to reduce physical energy consumption of a user in use of the walking aid, and lessen discomfort of the user as much as possible; on the other hand, when the walking aid stops moving, the buffering structure can better support the walking aid securely on the ground, and when the walking aid stops, apply force downward to the walking aid, so that four effective contacts are formed by the casing of the buffering structure. | 01-07-2016 |
| 280430100 | Tiltable vehicle stabilized by attendant or article | 1 |
| 20130026726 | Customizable Pack and System and Method of Constructing and Using Same - The present invention is generally directed to a pack, such as a backpack or daypack, that is customizable in size, functionality and features, and appearance. The pack has two physically separate portions, the front of the pack and the back of the pack, that are releasably connected together to form the pack and an accessible space therein. An optional middle portion or expandable panel can be added between the front and back portions to further expand the size of the accessible space. The pack can be customized through the selection of material and design of the material, shoulder straps, a waist belt, a pull handle or cart and wheels, and detachable pockets of different sizes and shapes. The pack can also be personalized through the addition of various design elements. A pack system is also provided that allows complete customization of a pack and its features. | 01-31-2013 |
| 280430110 | Load surface below wheel axis | 2 |
| 20110204586 | Drop-Bed Trailer - An improved drop-bed trailer provides a trailer without ramps that lowers to the ground, enabling one person to load/offload motorcycles, etc. A trailer frame with independently pivotal elongated members on each side of the frame, a wheel on each elongated member. A rubber spring or steel coil spring suspension system on the end of each elongated member. A winch and cable pulley system connected to each end of the elongated members via cable connector fitting through the two snap-in bushings. Cable retrieval upon the winch causes the elongated members to be drawn parallel to the frame in raised locked position. A cable tension device keeps the primary cable uniformly coiled upon the winch while providing slack to the secondary cable for complete compression of the suspension system. A safety restrictor device is mounted to the trailer frame to limit the pivotal movement of the elongated members in the event of a cable mechanism failure. | 08-25-2011 |
| 20160375726 | Retractable Caster Assembly, Wheeled Package, And Method Of Assembling A Wheeled Package - A retractable caster assembly includes a frame and a caster wheel assembly. The caster wheel assembly has a wheel and two guide members. The assembly is configured with the guide members movable along slots within the frame so that when the caster wheel assembly is at a first end of the slots the wheel is in a retracted position substantially within the cavity, and so that when the caster wheel assembly is at a second end of the slots the wheel is in an extended position extending from the cavity. A package may have at least one cavity, each cavity for receiving a retractable caster wheel assembly to make a wheeled package. | 12-29-2016 |
| 280430120 | Pallet truck type | 9 |
| 20080197589 | Pallet truck steer wheel safety guard - A pallet truck steer wheel safety guard is provided. In combination with a steering assembly of a pallet truck, a steer wheel safety guard is disposed behind the steer wheel and defines a length parallel to the axis of rotation of the steer wheel. The safety guard defines a height perpendicular to such length, the height extending below the axis of rotation of the steer wheel. The safety guard includes a bumper, and may also include at least one strut extending from the bumper for attachment to the pallet truck. | 08-21-2008 |
| 20080238010 | COMBINATION DOLLY- PALLET - The dolly-pallet of the present invention includes a load bearing deck that may be alternately supported by the retractable support skid or the wheel elements. Initial displacement of the skid during the retraction process is along an upward substantially vertical path. Once the retractable support skid is retracted such that the dolly-pallet is being supported by the wheel elements, the retractable support skid may be further displaced along an upward substantially arcuate path so as to move it away form the wheel elements, allowing them to swivel if they are so configured. In this way, the center of mass of the load is lowered vertically, thereby reducing stress on the displacement mechanism until the load is supported by the wheel elements. | 10-02-2008 |
| 20090236809 | DOLLY - The present invention provides a dolly ( | 09-24-2009 |
| 20100295261 | Pallet jack system and method for the transportation of stackable packaged goods pallets - A pallet jack is disclosed that comprises a left tine and a right tine. The pallet jack includes a lifting mechanism that may include an electrically powered hydraulic pump to effectuate the lifting motion. The pallet jack may also include power-driven wheels that are connected by an axle, thereby facilitating translational motion of the pallet jack. The wheels may be maximally spaced by using a maximum-length axle that is slightly longer than the width of the pallet jack body, thereby optimizing load stability. | 11-25-2010 |
| 20120080858 | Pallet Truck for Transporting Goods - Pallet truck for transporting goods that has a substantially horizontal frame on which the goods to be transported are placed. In one implementation the horizontal frame includes two substantially parallel arms with each arm having two parallel longitudinal extensions that define a space between them. Each of the two parallel longitudinal extensions has a wall that face each other and which are visible and accessible through the space. The longitudinal extensions being visible and accessible from above for their cleaning. | 04-05-2012 |
| 20130127126 | PALLET TRUCK WITH LIFT INDICATOR ASSEMBLY AND ASSOCIATED METHODS - A lift indicator assembly for a pallet truck includes a lift sensor assembly, and a lift status display for determining a lift condition of a load wheel of the pallet truck. The lift sensor assembly is to be carried by a fork of the pallet truck and includes a housing section, and a primary sensor assembly. The primary sensor assembly includes a first primary arm coupled to the housing section, and a first primary contact switch carried by the housing section and adjacent the first primary arm. The first primary contact switch has an engaged position and a disengaged position based on position of the first primary arm. The lift status display determines the lift condition of the load wheel based on position of the first primary contact switch. | 05-23-2013 |
| 20130277929 | Systems And Methods For Steering Vehicles - In one embodiment, a vehicle comprises a body, a steerable drive wheel attached to the body, and a load platform connected to the body that is movable between a lowered position and a lifted position. A load wheel is connected to the load platform and an intermediate load wheel is connected to the vehicle and positioned between the drive wheel and the load wheel. The load wheel is configured to facilitate moving the load platform between the lowered position and the lifted position and the intermediate load wheel is configured to cooperate with the load wheel to facilitate moving the load platform between the lowered position and the lifted position. The intermediate load wheel is also configured to form a pivot about which the vehicle turns throughout a range of motion of the load platform between and including the lowered position and the lifted position. | 10-24-2013 |
| 20150014948 | PALLET TRUCK ASSEMBLY - A powered pallet truck with a selectable effective reduced turning radius, and an intermediate roller assembly for mounting on the powered pallet truck, are provided. The intermediate roller assembly can include a base, a linear actuator pivotably connected at a base end to the base, a linkage pivotably connected to the base, and at least one roller having an axis pivotably connected to an actuating end of the linear actuator and to the linkage, the at least one roller thus being movable between a retracted and an engagement position. The assembly can be mounted to the underside of a pallet truck fork having a load wheel. A turning radius effectively defined by a drive wheel of the pallet truck and the intermediate roller, or a turning radius effectively defined by the drive wheel and the load wheel, can be selected. | 01-15-2015 |
| 20160375920 | PALLET TRUCK ASSEMBLY - A powered pallet truck with a selectable effective reduced turning radius, and an intermediate roller assembly for mounting on the powered pallet truck, are provided. The intermediate roller assembly can include a base, a linear actuator pivotably connected at a base end to the base, a linkage pivotably connected to the base, and at least one roller having an axis pivotably connected to an actuating end of the linear actuator and to the linkage, the at least one roller thus being movable between a retracted and an engagement position. The assembly can be mounted to the underside of a pallet truck fork having a load wheel. A turning radius effectively defined by a drive wheel of the pallet truck and the intermediate roller, or a turning radius effectively defined by the drive wheel and the load wheel, can be selected. | 12-29-2016 |
| 280430130 | Interconnecting means for adjusting wheels on different axles | 2 |
| 280430140 | With nonwheel means for engaging the supporting surface | 1 |
| 20110095497 | SUPPORTING DEVICE WITH WHEELS - A supporting device includes a tray, a plurality of wheel assemblies, a handle, and a handgrip. The tray is configured for supporting a payload. The wheel assemblies are secured to the tray, and each wheel assembly includes a wheel. Each wheel is capable of rotating about a first axis. The wheel assemblies are rotatable between a first position and a second position, and a distance between each wheel and the tray in the first position is smaller than a distance between each wheel and the tray in the second position. The handle is attached to the tray and configured to urge the wheel assemblies to rotate from the first position to the second position. The handgrip is attached to the tray and configured to urge the wheel assemblies to rotate from the second position to the first position. | 04-28-2011 |
| 280430160 | With means to vary distance between wheels | 1 |
| 20090206567 | VEHICLE SUPPORT SYSTEM - The disclosure is generally directed toward vehicle support systems. In one embodiment of the invention, first and second support assemblies can be pivotally coupled to a base. A control mechanism can couple the first and second support assemblies together and be configured to control pivotal movement of the support assemblies between spread and stowed positions. In another embodiment, first and second support assemblies can be pivotally coupled to a base and to first and second wheel assemblies. First and second steering mechanisms can be coupled to the first and second wheel assemblies and the first and second support assemblies. A control system can be operatively coupled to the first and second steering mechanisms and can be configured to command selected angular positions of the first and second wheel assemblies relative to the base by compensating for the support assemblies being in various positions. | 08-20-2009 |
| 280430170 | With actuator | 11 |
| 20100102525 | WHEEL HEIGHT ADJUSTER FOR WALK-BEHIND MOWER - A mower is provided that includes a height-adjuster assembly that adjustably connects the ground engaging wheel to the housing of the mower at an adjustable height from the ground. The height-adjuster assembly includes a bracket fixed to the housing, an arm, a sleeve, a wheel mount, a pin, and a handle. The arm is rotatably mounted relative to the housing and the bracket about a pivot point. The sleeve is fixed to the arm for rotation with the arm relative to the housing and the bracket about the pivot point. A handle overlays the pin and the sleeve. The handle is configured to be grasped by a user for movement along a first direction to move the pin from a first position into a second position. Upon reaching the second position, the handle and the sleeve can be rotated to rotate the ground engaging wheel relative to the housing. | 04-29-2010 |
| 20110068548 | Transport pallet - A transport pallet assembly that can safely and easily transport large and heavy equipment of a character that is both delicate and temperature sensitive. The assembly is specially designed to safely and easily transport and store highly sensitive and easily damaged scientific equipment such as large, sophisticated lithograph machines. | 03-24-2011 |
| 20120175852 | King-Pin Height Adjuster - A height adjuster may be provided. The height adjuster may comprise a hydraulic lift cylinder and a ram configured to receive the hydraulic lift cylinder. The height adjuster may further comprise a wheel motor housing connected to a lower end of the ram. A lower end of the hydraulic lift cylinder may be connected to the wheel housing. In addition, the height adjuster may comprise a king-pin configured to receive the ram. | 07-12-2012 |
| 20120306172 | APPARATUS, SYSTEM AND METHOD FOR LOW PROFILE TRANSLATION OF HIGH LEVEL RADIOACTIVE WASTE CONTAINMENT STRUCTURE - An apparatus, system and method for handling and translating a spent nuclear fuel storage cask. The apparatus comprises a body for supporting the cask close to the ground so that the cask and the apparatus can pass underneath over head doors. The apparatus further comprises rollers for translating the cask, the rollers adapted to move between a retracted position and an extended position, wherein when the rollers are in the retracted position, the rollers do not contact a ground surface. The apparatus additionally supports the storage cask during spent nuclear fuel transfer procedures. | 12-06-2012 |
| 20130313795 | RETRACTABLE WHEEL ASSEMBLY - A retractable wheel assembly includes a bracing member and a wheeled arm pivotally coupled to the bracing member. The wheeled arm is sized and positioned such that the wheeled arm rotates through an aperture of the bracing member. The wheeled arm includes an arm member, a wheel, and an aperture cover shaped and positioned such that when the wheeled arm is in a retracted mode, the aperture cover covers a majority of the aperture, but not substantially all, thereby forming a wheel gap. The wheel assembly includes a deployment arm and a trap member operationally coupled to the deployment arm, including a trap flange sized and positioned to cover the wheel gap when in a closed mode and to substantially uncover the wheel gap in an open mode. The retractable wheel assembly includes a handle operationally coupled to the trap member. | 11-28-2013 |
| 20150351986 | Retractable Wheel Base - A base with retractable wheels is provided for an examination, procedure or surgical table or chair for use in the medical, dental, or veterinary fields that can be easily switched between a stationary state and a mobile state. The base includes fixed wheels on one end and on the other end stationary foot pads and retractable wheels that can be engaged by a lift mechanism that can transfer the weight of the table or chair from the foot pads onto the wheels, allowing the table or chair to be more easily moved within a room. | 12-10-2015 |
| 20160176426 | MOBILE CART WITH RETRACTABLE WHEEL ASSEMBLY | 06-23-2016 |
| 280430180 | With resilient mounting for body | 2 |
| 20110148057 | Retractable Wheel Assembly - A retractable wheel assembly is provided for coupling to a mounting on an object. The retractable wheel assembly is moveable between one or more extended positions and a retracted position. The retractable wheel assembly is configured to expose a wheel in the extended position(s) and to stow said wheel in the retracted position. The retractable wheel assembly comprises a first wheel strut rotatably mounted at or proximate a first end thereof, a first link arm handle rotatably coupled at or proximate a second end of the first wheel strut, and a first over-centre locking arm rotatably coupled at or proximate a first end to the first link arm handle and rotatably mounted at a second end thereof. The retractable wheel assembly is configured to rotatably couple to the wheel at or proximate the coupling between the first wheel strut and the first link arm handle | 06-23-2011 |
| 20120181760 | DROP DECK TRAILER - This invention relates to a trailer comprising a body, a wheel assembly on each side of and floating relative to the trailer body, a linear actuator driving means adapted to selectively raise and lower body relative to its wheel assemblies whilst keeping the body substantially parallel to the ground throughout its range of movement and providing a mechanical advantage to the actuator. | 07-19-2012 |
| 280430230 | Power operated | 2 |
| 20110140381 | Mobile Cart Base with Traction Wheel - A multi-wheeled base for a mobile cart includes one or more swiveling, optionally locking, caster wheels and one or more non-swiveling traction wheels to improve the maneuverability of the cart by making it easier to steer and stop. The traction wheels may be manually-engaged traction wheels, which may be operated by a cam and lever. The traction wheels may also be automatically-engaged traction wheels operated by a motor and a threaded shaft, and activated by a motion-sensitive sensor or by an on/off electrical switch or button. The traction wheels are preferably in contact with the floor when the mobile cart is moving, and raised above the surface of the floor when the cart is stationary. | 06-16-2011 |
| 20160046312 | DEVICE FOR LIFTING AND MOVING OBJECTS - The device is used to raise and move objects. The device has a box-like insert ( | 02-18-2016 |
| 280430240 | With nonwheel means for engaging the supporting surface | 2 |
| 20100259020 | RETRACTABLE WHEEL ASSEMBLY FOR A JACKSTAND - A receiver extends from the top of a retractable wheel assembly to receive the lower end of a jackstand or the like. Upon exerting pressure on a foot operated plate, a wheel is extended from the bottom of a plate and locked in place with a catch to permit transport of a trailer or the like attached to the jackstand. Upon release of the catch, the wheel will retract to bring the plate into contact with the ground and immobilize the trailer. | 10-14-2010 |
| 20110156365 | LIFT WHEEL SET USED IN A MACHINE TOOL - A lift wheel set used in a machine tool includes a mounting member having a first bevel face, a wheel holder having a second bevel face and a wheel. When the wheel holder is in a first position, the second bevel face of the wheel holder is seated with the first bevel face of the mounting plate, and the wheel holder is prohibited from downward movement. When the wheel holder is in the second position, the second bevel face of the wheel holder is slid along and forced against the first bevel face of the mounting member so that the wheel holder is moved downwards relative to the mounting member to force the wheel into engagement with the floor for enabling the machine tool to be moved to a desired location by rotation of the wheel. | 06-30-2011 |
