Abstract: A hand truck includes a base that is able to roll along the ground underlying the base and a push handle coupled to the base. A pivotable toe plate is coupled to a lower end of the base.

Abstract: A tool can aid in articulating a water heater onto, and off of, an elevated pedestal. The tool can consist of at least a frame that is pivotally attached to a stationary base via a fulcrum feature. The frame may be sized to support a water heater with at least a pair of rails. The stationary base can have at least one rigid pivot stop cantilevered from a base body and shaped to maintain the stationary base at a non-normal tilted orientation.

Abstract: A cart is disclosed for carrying a gas bottle. The cart includes a wheeled frame and a bottle support platform. The support platform is configured to pivot between a loading position in which a gas bottle may be loaded and/or unloaded from the bottle support platform and a cradle position in which the gas bottle and the bottle support platform are elevated. A bottle rest may support the bottle when the bottle support platform is in the cradle position. A bottle support spine may also, or alternatively, support the bottle during transportation and act as a lever for pivoting the bottle support platform between the loading position and the cradle position.

Abstract: A hand truck includes a frame, a handle attached to a rear side of the frame, a platform extending from a front side of the frame, a plurality of feet attached to an underside of the platform, at least one support member attached to the front side of the frame, and an axle supporting a plurality of wheels, wherein the axle is attached to the frame. The hand truck may include a standing configuration and a mobile configuration. In the standing configuration, the plurality of wheels and at least one of the plurality of feet contact a ground surface to support the hand truck such that the platform is arranged at an oblique angle with respect to the ground surface.

Abstract: A folding utility cart incorporates a plurality of wheels attached to a lower frame, a handle frame, a pail frame, and a plurality of hinges positioned to permit the cart to fold into a space-saving configuration. The cart has a plurality of storage compartments, trays, and clips, each capable of retaining commonly associated cleaning supplies therein.

Abstract: Concepts of an omnidirectional pinion wheel are described. In one embodiment, the wheel includes first and second rims each including inner and outer rim surfaces, and an annular ring of rollers affixed on the outer surface of one of the first and second annular rim. Using an axis of freedom of the rollers, the wheel can move sideways in addition to forward and backward. Further, when used with a vertical rack gear, the wheel can provide vertical displacement by engagement between teeth of the gear and the pinion ring. Additionally, various racks and tracks with teeth for pinion ring engagement are described along with an example vehicle capable of vertical displacement using the wheels.

Abstract: A dump cart includes a frame; a pair of wheels rotatably coupled to the frame by at least one axle; a bed frame pivotally coupled to the frame so that the bed frame may be pivoted relative to the frame between a lowered, hauling position and a raised, dumping position; a bed attached to the bed frame for receiving and hauling objects; a removable tow bar having a first end that may be attached to the frame and a second end that may be attached to a towing vehicle so that the towing vehicle may pull the dump cart; and a wheelbarrow attachment accessory that may replace the removable tow bar to convert the dump cart to a wheelbarrow.

Abstract: A convertible hand truck includes first and second truck frames coupled with each other through a pair of fixed members and a pair of pivoting members such that the second truck frame is turnable relative to the first truck frame among a folded position, a platform-cart position and a reclined-truck position. A stabilizing lever is pivotably connected with the second truck frame or the pivoting members to be engaged with or disengaged from the fixed members in response to the turning of the second truck frame. The second truck frame extends outwardly from the first truck frame in the reclined-truck position so as to expand and enlarge the carrying area of the hand truck for more loads.

Abstract: A cart includes a first frame having two side tubes and each of the two side tubes has a first wheel connected thereto. A second frame is pivotably connected to the first frame and has a transverse tube. Two second wheels are connected to the transverse tube. A locking device is slidably connected to the first frame so as to be positioned at a first position or a second position. When the locking device is set at the first position, the second frame is pivoted to a position substantially parallel to the first frame, and the first wheels support the cart. When the locking device is set at the second position, the second frame is pivoted to a position substantially perpendicular to the first frame. The first and second wheels support the cart.

Abstract: The invention comprises a trolley with an frame (1) with wheels (10, 11) and at least one handle (5), which is characterized in that the frame (1) comprises: a main supporting rod (2), equipped with the handle (5) at the upper end, and at least one wheel (11) at the lower end; a sub-supporting rod (7), fastened at its upper end to the main supporting rod (2) between the extreme ends of the main supporting rod, and equipped with at least one wheel (10) at the lower end; and wherein the wheels (11) are fastened to the main supporting rod via a first crosspiece (4) and/or where the wheels (10) are fastened to the sub-supporting rod via a second crosspiece (9).

Abstract: A trailer tow ski system for assisting in supporting the tongue weight of a trailer hitch during pulling of the trailer. The trailer tow ski system generally includes a ski member having a front lip extending upwardly, a support member extending upwardly from the ski member, a tongue member extending forwardly from the support member, a main coupler attached to the tongue member for removably connected to a ball of a vehicle hitch, a front support structure attached to a front portion of the ski member and to an upper portion of the support member, a rear support structure attached to a rear portion of the ski member and to the upper portion of the support member, and a hitch ball attached to the upper end of the support member. The hitch ball is removably coupled to a coupler of the trailer hitch to support the weight thereof.

Abstract: A trailer tow ski system for assisting in supporting the tongue weight of a trailer hitch during pulling of the trailer. The trailer tow ski system generally includes a ski member having a front lip extending upwardly, a support member extending upwardly from the ski member, a tongue member extending forwardly from the support member, a main coupler attached to the tongue member for removably connected to a ball of a vehicle hitch, a front support structure attached to a front portion of the ski member and to an upper portion of the support member, a rear support structure attached to a rear portion of the ski member and to the upper portion of the support member, and a hitch ball attached to the upper end of the support member. The hitch ball is removably coupled to a coupler of the trailer hitch to support the weight thereof.

Abstract: A drum truck for handling a drum has a base. A wheel assembly is removably attached to the base. A post is removably attached to the base. The post has a handle. A breakover member is removably and operatively coupled to the base. The breakover member is configured to allow application of a foot pressure to break over the drum truck from a standing vertical position to an angled position. At least one pair of toes is removably attached to the base and configured to support the drum. A drum restraint is removably attached to the post and configured to releasably secure the drum to the post.

Abstract: A foldable cart includes a frame mechanism, a wheeled rear support mechanism and two spaced-apart handle units. The frame mechanism can be in a collapsed state or an expanded state. The wheeled rear support mechanism is mounted pivotally to a rear side of a main frame body of the frame mechanism and movable between a supporting position and a fully folded position with respect to the main frame body. The handle units are rotatably connected to the main frame body to drive the frame mechanism to be in the collapsed state or the expanded state.

Abstract: An auxiliary rolling system for a rolling bin having a container and a set of bin wheels mounted thereon. The auxiliary rolling system comprises a frame securable to the container of the rolling bin, at least one rotatable auxiliary wheel, and a handle for controlling the auxiliary rolling system. When mounted on the rolling bin, the at least one auxiliary wheel is positioned opposite to the set of bin wheels such that the auxiliary rolling system is movable between a stationary configuration, where movement of the bin is prevented, and a transport configuration where movement of the bin is allowed.

Abstract: A wheeled tool caddy apparatus that includes a caddy frame having a first and a second vertical member disposed in parallel, a toolbox distally disposed endwise upon each of the first and second vertical members, and a cubical open-topped receptacle removably disposed upon the tool box, wherein an extant collection of tools is sortable, storable, and portable within the tool box, the open-topped receptacle, and each of a plurality of fabric tool pockets disposed upon at least three sides of the open-topped receptacle, whereby said wheeled tool caddy apparatus is maneuverable in an upright position upon a quadruplicity of castor wheels disposed upon a base of the toolbox, and in an inclined orientation upon a pair of castor wheels disposed upon a first vertical surface of the toolbox, and directable thereby by means of a U-shaped handle section adjustably extensible from within each of the first and second vertical sections.

Abstract: A lightweight trailer suitable for towing behind a motorcycle is convertible to a trailer operative to transport the motorcycle behind another towing vehicle. An axle slider employs a parallel linkage to easily adjust trailer axle width. The design also shifts the center of gravity of the trailer to provide a balanced load as a motorcycle cargo trailer and as a motorcycle-hauling trailer. To attain the additional length and trailer hitch height necessary for hauling the motorcycle, a frame extension and an offset tongue extension are provided. This offset tongue also provides attachment points for conventional motorcycle tie-down straps. A loading ramp is provided to allow for easy loading of the motorcycle.

Abstract: In one embodiment, a slab dolly for moving slabs of material includes a body adapted to support a slab of material, wheels that support the body, handles that extend to a rear of the body, and a leg that is pivotally connected to the body, the leg being adapted to drop down from the body and engage a floor surface or stair steps to act as a pivot member about which the dolly can be pivoted to assist a user in moving the dolly up a flight of stairs.

Abstract: The wheeled structure includes two connected sub-assemblies articulated relative to each other, with conversion capability between three wheels in a single plane for ground running operations, two main wheels for conveyance like a hand truck, or two secondary wheels for transverse positioning when fitting panels vertically. The first sub-assembly accommodates main wheels and secondary wheels and the second sub-assembly accommodates a pole, telescopic column assembly and support frame for the plates. The two sub-assemblies are rigidly connected by an assembly unit having an arm ending in a caster. The sub-assemblies, depending on their relative angular position, fulfill various vertical and horizontal panel fitting functions. The pole is mobile vertically relative to the main wheels, to the rear thereof when running on the ground, and to the fore thereof when fitting the panels vertically by lifting action on the first sub-assembly.

Abstract: An apparatus for organizing and storing tools, related work materials, and convenience items such as a music system with speakers, a radio, a digital CD-player, and a MP3 adapter, as well as a compact refrigerator and a water cooler in a tool cabinet that is modular and easily transportable between work sites. The portable modular tool cabinet provides an electrical power system, shelving units and sliding drawers for holding tools and two lockable doors that hold additional hand tools and can be secured when the user is ready to transport the portable modular tool cabinet to another work site. The entire unit is transportable by using two base wheels and a pivotable-dolly-system with telescoping rod and wheel combinations that allow easy rolling to a transport vehicle such as a pickup truck for loading and transporting to another location.

Abstract: The hand truck brake provides automatic braking for a hand truck as it negotiates a stairway or other uneven surface. The brake is adaptable to various types of hand trucks, including powered stair-climbing trucks. The brake includes two major assemblies. The first is a reciprocating plunger having a distal roller that travels along the surface. When the roller travels over the nose of a stairway tread, the plunger extends to actuate the brake. The second major assembly is a rotary cam rotated by the plunger as it extends. The cam has an extension and a brake shoe, the brake shoe engaging the underlying surface to stop the hand truck when the cam is rotated to its brake-engaging position. The assembly automatically retracts when the hand truck is oriented vertically. Additional controls are provided for the operator to extend or retract the brake mechanism.

Abstract: One embodiment of a battery-powered motorized vehicle for a user includes a riding platform, a steering wheel, a second-end wheel, a seat base, a battery-powered motor, a carrying platform, a swivel wheel, a hinge, and an attachment device. The riding platform includes a first end and a second end. The steering wheel is in proximity to the first end of the riding platform. The second-end wheel is close to the second end of the riding platform. The seat base can be on top of the riding platform, with the seat base including a seat back. The battery-powered motor is configured to drive the second-end wheel. The carrying platform includes a first end and a second end. The swivel wheel is configured to connect to the bottom of the carrying platform. The hinge is configured to connect the first end of the carrying platform to a back surface of the seat base. The attachment device is configured to secure an article to the carrying platform.

Abstract: A material handling system is disclosed, having at least one solid rectangular storage container for liquid or solid items; a pallet upon which the container sits; and a transporter which is adapted to move the container from the pallet. The pallet has a structure to permit both movement of the pallet and the container and movement of the container independent of the pallet. The transporter with the container can be moved safely and easily using human power.

Abstract: An integrated infusion management system provides for stable support of components attached to the system, even when the system is mobile. The system is optionally a mobility assist or walker for a patient who is attached to any number of medical components. A central trunk connects to a two-sided base that does not interfere with patient motion. The trunk may be angled with respect to vertical and oriented to support medical components in a configuration that is tip-resistant. The system is optionally deployable to facilitate conversion between a compact storage configuration and a stable deployed configuration. In an embodiment, additional deployable features include holding arms for holding various medical components, wheels, mobility arms and handles. Also provided is a novel wheel system with deployable wheels and methods associated with providing compact storage of any one or more of the systems presented herein.

Abstract: The modular dolly is a manually operated device facilitating the transport of large, heavy, and/or bulky objects. The dolly includes four smaller wheels and two larger diameter wheel and brake assemblies for temporary installation to the sides of the dolly platform for movement over soft, rough, and/or uneven surfaces. A ramp is removably attachable to the loading end of the platform coplanar therewith to facilitate loading the dolly. The ramp also attaches removably to the opposite anchor end of the platform and normal thereto, to serve as a backstop or anchor for a load placed on the platform. A smaller secondary panel may be installed in the anchor end when the ramp is in use during loading, or may be assembled coplanar to the ramp or platform to lengthen the ramp or platform. The dolly may also be used with a stair-climbing hand truck, forklift, pallet jack, or the like.

Abstract: A wheeled apparatus has a pair of first-size wheels attached in a spaced apart arrangement to a main frame at its first end portion. A subframe is moveably attached at its first end portion to the main frame at a position between the first-size wheels and a second end portion of the main frame. The subframe is attached to the main frame for allowing the subframe to be freely moved between a first position and a second position. The subframe and the main frame jointly limit movement of the subframe to be between the first and second positions. A pair of second-size wheel is attached to a second end portion of the subframe. The first-size and second-size wheels jointly provide a first wheelbase length when the subframe is in the first position and jointly provide a second wheelbase length when the subframe is in the second position.

Abstract: A transport tool is disclosed for moving an aircraft monument from one location to another. The transport tool comprises an elongated, substantially rectangular, support frame having handle members at an upper region, wheel elements at a lower region, and a leg pivoted to the mid-region of the tool for supporting a load mounted to the tool as the transport tool is rotated about the wheel elements from a vertical orientation in which the load can be loaded onto, or unloaded from, the tool to a horizontal orientation in which the load can be transported from one location to another. Also disclosed is a method for transporting the load between two locations using the transport tool.

Abstract: For use with lazy-portrait narrow-end to narrow-end (LPEE) formatted document pages printed on a continuous web of material, an apparatus and method of use for assembling correctly page-sequenced document sets that utilizes a slitter for separating the LPEE formatted document pages into two separate streams of continuous sheets that are loaded onto a document transfer cart that has two side-by-side and hinged-together document receiving trays, for each tray a removable bottom support plate assembly having casters on the lower portion of one of the bottom support plates, a top document delivery roller for each tray, a central hinge connecting the two trays to each another, support rack pivot rods, a handle secured to each tray, and cart transfer wheels.

Abstract: An enhanced structure for the base with roller and belt of hardshell zipper case is provided, including a hardshell zipper case main body, a plurality of hidden roller units, a retractable belt unit, and an auxiliary wheel set. The hidden roller units and the retractable belt unit are placed inside the roller housing trench and the belt housing trench located at the bottom of the hardshell zipper case main body. When the hidden roller units are not in use, the roller units are entirely hidden inside the roller housing trench so that the roller unit will not be damaged due to careless handling. To move the hardshell zipper case, the outer rim of the roller units are exposed outside of the surface of the roller housing trench so that the roller units can roll along when moved. The belt of retractable belt unit can be easily pulled out from one end of the bottom of the hardshell zipper case.

Abstract: A stabilization mechanism for luggage is provided. The stabilization mechanism can be disposed on the bottom of a compartment of luggage and in spaced relation to wheels that are also disposed on the bottom of the compartment. The stabilization includes at least one foot that is retractable within the compartment, so that in the retracted position the volume of the luggage is substantially the same as the luggage compartment. When the at least one foot is deployed, the likelihood of tipping of the luggage is decreased, as the foot, in conjunction with the wheels, maintain the luggage in a substantially vertical position.

Abstract: An integrated infusion management system provides for stable support of components attached to the system, even when the system is mobile. The system is optionally a mobility assist or walker for a patient who is attached to any number of medical components. A central trunk connects to a two-sided base that does not interfere with patient motion. The trunk may be angled with respect to vertical and oriented to support medical components in a configuration that is tip-resistant. The system is optionally deployable to facilitate conversion between a compact storage configuration and a stable deployed configuration. In an embodiment, additional deployable features include holding arms for holding various medical components, wheels, mobility arms and handles. Also provided is a novel wheel system with deployable wheels and methods associated with providing compact storage of any one or more of the systems presented herein.

Abstract: A golf bag cart front wheel foldable device includes a fixed mount, a movable mount and a front wheel frame. The fixed mount has one end connected to the bottom tube of the cart frame and the other end provided with a fitted end. The fitted end is in pinned connection with a buckle at its one side. The movable mount is capable of being seized by the buckle and is joined fixedly to the fixed mount by a hinge. The movable mount has one end provided with a fitted end which is physically in harmony with the fixed mount. The front wheel frame has a top end connected fixedly to the movable mount, while its bottom end is joined to the front wheel. Through loosening of the buckle, the movable mount is not seized, which enables the movable mount and the front wheel frame to rotate with respect to the hinge, and the front wheel is then leveled for folding purposes, to achieve great handiness in maneuvering.

Abstract: Mobile power generator apparatus includes: left and right wheels attached to a frame having a power generator mounted therein; three guide rollers provided for each of the wheels for rotatably supporting the rim of the wheel at three positions of the rim; and mounting sections for respectively mounting the three guide rollers on a side wall of the frame, so that each of the wheels is rotatably supported by the three guide rollers on one of the side walls of the frame.

Abstract: A luggage device having fully recessed legs that may be selectively engaged to translate and pivot about an axis to facilitate controlled movement from a fully recessed storage position to an operative position for conveniently transporting large heavy objects within the luggage. The fully recessed translation biased cantilever leg luggage device includes a dextral leg recess for receiving a dextral leg, and a sinistral leg recess for receiving a sinistral leg. Each leg recess has an engagement region, a storage region, and a pivot. Additionally, the engagement region includes a leg engagement region storage location, a leg engagement region operative location, and a leg engagement region transition region; through which a portion of the leg pivots about the axis and transitions from the fully recessed storage position to an operative position.

Abstract: A portable shooting rail for use with a tree stand includes a rear frame assembly for engaging a tree. The rear frame assembly has a pair of spaced rear arms for engaging a tree and a pair of spaced forward arms and a vertical support portion that extends upwardly from the arms for placement against the tree. The vertical support member has a bottom cross bar and a top cross bar. The forward arms extend outwardly from the vertical support portion such that an obtuse angle is formed between the forward arms. A pair of struts connects the top cross bar to the forward arms. The shooting rail also includes a rail structure that is detachably coupled to the rear frame, with the rail structure being formed of separate rail sections that attach to one another and to the rear frame assembly to define a completed loop.

Abstract: An improved wheelbarrow places the bucket at ground level when at rest. The wheelbarrow frame beneath the bucket rests on the ground while the wheelbarrow is at rest. The wheelbarrow wheel is lifted off of the ground at rest. The wheelbarrow provides greatly improved stability both at rest and while moving the wheelbarrow.

Abstract: A compactable wheeled transport system with a first pivotal shelf for ease of transporting a first object in a first mode of operation. A compactable wheeled transport system with a second pivotal shelf for use as a work surface and support a second object thereon. Additionally, a pivotal foot is disclosed for stabilization of the system.

Abstract: The present invention is directed to a generally L-shaped frame assembly or dolly for mechanical devices, such as generators. The assembly includes a first and second frame portions. The first frame portion includes intermediate segments which are substantially equal or greater than the length of the mechanical device so as to protect the device and provide a lifting point for hoisting.

Abstract: An outboard motor carrier comprises a frame, a motor support structure to which an outboard motor may be attached, and upper and lower wheels. The lower wheels are rotatably attached to a lower region of the frame so as to support the carrier when it is tilted from an upright standing position. The upper wheels are rotatably attached to an upper region of the frame so as to facilitate loading the carrier onto a bed of a vehicle and to support the carrier when in a reclined position. The motor support structure is attached to a mid region of the frame and may comprise a transverse mounting board. The lower region of the frame may operate as a stand when the carrier is an upright standing position. The carrier is configured to hold an attached outboard motor in a semi-upright position when it is in its reclined position.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a link segment at its top, where both sides of the link segment each is in pinned connection with a rear wheel frame, which has its bottom end join the rear wheel, and the bottom cart stand is provided with a slider at the bottom of the link segment. An upper cart stand is in pinned connection with the link segment at its bottom, and has a bracket at its top, where the bracket couples to a mount at its one end. A handle bar is joined the mount at its bottom at which an angle adjustable joint is located, and has a score board at its top. A linkage set comprises a first linkage being set up between the upper cart stand and the slider, a second linkage being set up between the slider and the rear wheel frame, and a third linkage being set up between the mount and the first linkage.

Abstract: A wheel mechanism having two or more rows of three or more wheels wherein the lower-most points of the wheels in a row an arc. The wheels may be disposed on runners affixed to a cart or be attached directly to a frame or floor component of the cart. An arced shape can be implemented by varying the diameter of the wheels or the attachment components. The wheel mechanism can be incorporated into various types of carts.

Abstract: A wheeled apparatus has a pair of first-size wheels attached in a spaced apart arrangement to a main frame at its first end portion. A subframe is moveably attached at its first end portion to the main frame at a position between the first-size wheels and a second end portion of the main frame. The subframe is attached to the main frame for allowing the subframe to be freely moved between a first position and a second position. The subframe and the main frame jointly limit movement of the subframe to be between the first and second positions. A pair of second-size wheel is attached to a second end portion of the subframe. The first-size and second-size wheels jointly provide a first wheelbase length when the subframe is in the first position and jointly provide a second wheelbase length when the subframe is in the second position.

Abstract: Product trolleys include a base, a sling assembly, and a roller assembly. The base includes a first sidewall, a second sidewall opposing the first sidewall, and an endwall extending between the first and second sidewalls. The base defines an inner surface, a first open end, a second open end opposite the first open end, and a top opening opposite the endwall. The base includes a spring action between the first sidewall and the second sidewall, such that the base is configured to be flexed to receive and releasably secure the product between the first and the second sidewalls. The sling assembly is secured to the base and includes a substantially flexible body formed of sheet material. The roller assembly is secured to the base proximate the endwall.

Abstract: The present disclosure relates to a transporting device for transporting loads by hand with a base frame made of sheet metal or metal tubing in the manner of a hand truck, which has two transport wheels at a lower end opposite a loading shovel and in the center of the lower end, a support wheel in a first end position. The support wheel can be displaced along the longitudinal extension of the base frame into a second end position.

Abstract: A hand truck driving apparatus includes a dolly that has a frame having a bottom end, a top end and pair of lateral sides. A plate is attached to the frame adjacent to the bottom end and extends forward of the frame. A stabilizer is attached to and extends rearward of the frame. A pair of support wheels is rotatably attached to the stabilizer adjacent to the bottom end of the frame. A drive platform is removably attached to the dolly. A drive apparatus is mounted on the drive platform. The drive apparatus moves the drive platform and the dolly when the drive apparatus is actuated.

Abstract: A handtruck or trolley (90) comprising: a handtruck frame (91) including a frame base (98) extending to an outward handle portion (97) of the handtruck frame, the handtruck frame generally lying in a first plane and having a front and a rear; a load support (95) mounted to the front of the handtruck frame and generally lying in a second plane inclined relative to the first plane; and a handtruck wheel assembly (60,80) mounted to the frame base, the handtruck wheel assembly comprising at least two sets of wheels (65a,60b,82a,82b), each set having a fixed main axis (6ba,106b) of rotation parallel to the first plane and capable of travel in a direction normal to the main axes, wherein the wheel or wheels of at least one of the sets of wheels is or are multidirectional and capable of travel in a lateral direction or in an angular direction having a vector component parallel to the main axes.

Abstract: A transport tool is disclosed for moving an aircraft monument from one location to another. The transport tool comprises an elongated, substantially rectangular, support frame having handle members at an upper region, wheel elements at a lower region, and a leg pivoted to the mid-region of the tool for supporting a load mounted to the tool as the transport tool is rotated about the wheel elements from a vertical orientation in which the load can be loaded onto, or unloaded from, the tool to a horizontal orientation in which the load can be transported from one location to another. Also disclosed is a method for transporting the load between two locations using the transport tool.

Abstract: A wheel assembly for providing wheeled transport to a compaction tool having a foot structure. The wheel assembly comprises an axle support member comprising at least one attachment means for attaching the axle support member to a top surface of the foot structure. The assembly further comprises an axle removably attached to the axle support member and having first and second opposite ends. A first wheel is mounted on the first end of the axle and a second wheel is mounted on the second end of the axle. The axle support member is fitted on a pair of pre-existing nut-bolt fasteners on the top surface of the foot structure.

Abstract: The Ross Dolly Trolley is a modified hand truck or furniture cart. It is modified by adding four keel or thimble wheels (guide wheels) to the inside of the frame that will allow it to track the rails of an extension ladder. A pivot pin is inserted through the step of the ladder and tied down. It can then be used in conjunction with block and tackle to load and unload items into or out of a pickup truck, or other cargo vehicles. An extension ladder is pivotally mounted on a cargo bed of a truck, by inserting a pin through a step of the ladder. Each side of the pin is then strapped to the truck. A pulley system (block and tackle) is hooked to the top of the ladder as well as the loaded dolly, by pulling a rope through the pulleys, the dolly trolley will climb the ladder when it reaches a certain point the ladder will pivot, depositing the loaded dolly trolley into the truck.

Abstract: A hand truck includes a frame, a telescopic handle pivotally connected with the frame, and a joint structure assembled between the frame and the handle. The frame is disposed with a collapsible wheel unit adjustable in position, and the handle and the frame can be bent and extended to a proper length and then fixed in position so that a user can push the hand truck with convenience. Further, the hand truck can be shaped alternately into a two-wheel vertical truck or a four-wheel platform hand truck.