Abstract: A locking device of extendable and retractable container semi-trailers comprises four link bars, two lock pin assemblies, a crossmember, a falling tube and a pull assembly. Two ends of the pull assembly are connected with two link bars and one lock pin assembly respectively. Said pull assembly comprises an automatic locking and releasing device fixed rotatablely between a bottom plate and a top plate of said crossmember. The pull assembly is rotated round the automatic locking and releasing device to a locking place, and the automatic locking and releasing device locks said pull assembly. The falling tube acts on the automatic locking and releasing device, and the pull assembly is released.

Abstract: A foldable wagon assembly movable between an open position and a folded position. A first hinge attaches the center and front sections and a second hinge attaches the center and rear sections. The front wheels are mounted beneath the front section and the rear wheels are mounted beneath the rear section. The distance from the lower surface of the bed to the points of contact of the front and rear wheels is equal to the center section width to establish the folded position (FIG. 9) with the front section and the rear section parallel to one another. The assembly is conveniently and easily convertible between an open position and a folded position making it promptly ready for use, transport, or storage and eliminates transportation and storage problems.

Abstract: A folding trailer may be selectively moved between an extended or use position and a collapsed or storage position. The folding trailer may include an axle that is capable of being moved between a first position in which the axle is generally aligned along an axis and a second position in which the axle is disposed in a folded configuration. The axle is preferably located in generally the same plane in the first and second positions. In addition, the axle preferably moves in a generally rearward direction when the axle is moved from the first to the second position. The trailer may also include a bed that is capable of being moved between a first position in which first and second portions of the bed are generally aligned with a first plane and a second position in which the first and second portions of the bed are disposed in a folded position and generally aligned with a second plane. The axle and bed are preferably disposed in the first positions when the trailer is in the use position.

Abstract: A tugger cart is provided for transporting a load about a factory or the like. The tugger cart includes a support frame and a wheel assembly operatively connected to the support frame for supporting the support frame above a supporting surface. A bed pivotably mounted to the support frame for receiving the load thereon. The bed is movable between a first position wherein the bed lies in a generally horizontal plane and a second position wherein the bed is at a predetermined angle to the horizontal plane.

Abstract: 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 vehicle. A wheeled trailer is also provided, which is positionable in the storage space, is removable from the storage space, and has a hitched drawbar engagable to a tow bat secured to the rear of the vehicle.

Abstract: A tow-bar adapter for towing a loaded trailer behind a combat vehicle permits opening of a rear ramp door on the vehicle and supporting the open door on the adapter as the vehicle proceeds forward. Longitudinal legs each have first ends provided with a lateral bore axially aligned with each other. Pins extend through each lateral bore and through bosses mounted on the vehicle, allowing rotational movement of the legs about the pins. Cross members extend between and are connected to the legs and a caster assembly is connected to the cross members to provide vertical support for the tow-bar adapter and any carried load. A towing pintle on a cross member connects to a trailer, and the caster assembly rotates about a vertical axis to allow the tow-bar adapter to slew and follow along behind the vehicle as it turns.

Abstract: A sport trailer including a center load supporting rail, wheels, mounting assemblies for the wheels, and a stowable towing tongue, the wheel mounting assemblies include a shock absorber connected to each wheel and to a bifurcated strut that extends outward from the center rail. Upper and lower dual swing arms pivot and extend from the center rail to a mounting bracket attached to the wheels. The upper swing arms are shorter than the lower swing arms to achieve negative camber. The towing tongue is removably received within an inner channel of the center rail and telescopes relative to the center rail to achieve different length configurations of the trailer. A rear tongue is removably received within the center rail inner channel at the back end of the trailer. The rear tongue telescopes relative to the center rail and includes a taillight assembly.

Abstract: A utility trailer is provided with repositionable fore and aft end gates. The fore and aft end gates each having a leg and a support member and are affixed to a lock hinge mechanism. The lock hinge mechanism includes a receiver coupled to the trailer bed, the receiver having a partially enclosed cavity that receives at least a portion of the respective gate leg, the cavity having an exposed, open front face adjacent at least one end of the cavity. An elongated slot is provided on one of the receiver and the respective gate leg. A receiver pin is received through the elongated slot and coupled to the respective gate leg and the receiver to allow constrained linear movement of the respective end gate while within the receiver cavity, and pivotal rotation of the respective end gate when extended to the exposed, open front face of the receiver insert cavity.

Abstract: A folding trailer may be capable of moving between a use position and a storage position. The folding trailer may include an axle that is capable of moving between a first position in which the axle is generally aligned along an axis and a second position in which the axle is disposed in a folded configuration. The folding trailer may also include a towing arm that is movable between an extended position in which a portion of the towing arm extends beyond the front portion of the frame to facilitate attached to a towing vehicle and a collapsed position in which the towing arm is at least substantially disposed underneath the frame. In addition, the trailer may include an adjustment assembly that is sized and configured to adjust the position of the axle between the first and second positions, and adjust the position of the towing arm between the extended and collapsed positions. Advantageously, the adjustment assembly may have different configurations and arrangements.

Abstract: A wheel barrow consisting of left and right rear axles, left and right rear wheel assemblies and a hitch coupler for towing at high speeds on public roads having left and right structural rails. Both axles are assembled to the left and right structural rails supported at the front by a structural member bracket. Both structural rails serve as handles at the rear. Left and right coupler brackets are assembled to the structural rails to support a coupler which is mounted on both coupler brackets above the front axle, wheel assembly and structural members. Left and right front axle brackets are assembled to both structural rails to support the front axle and wheel assembly. A tub is assembled to both structural rails for loading and unloading. The wheel barrow couples to a vehicle hitch by raising the front off the ground and lowering on the vehicle ball and hitch.

Abstract: A travel trailer is provided. The travel trailer may include first and second bed platforms. The platforms are capable of being positioned in a travel configuration for use during transport of the travel trailer. A camping pod is included that has tent fabric. The camping pod is capable of being positioned in a travel configuration in which the camping pod is located above the first bed platform and the second bed platform when the platforms are positioned in the travel configuration. Also, the first bed platform and second bed platform are capable of being positioned in a camping configuration for use when the tent fabric is positioned to form a tent.

Abstract: A trailer including: (i) a trailer frame supported by ground engaging wheels; (ii) an auxiliary drawbar pivotable from a retracted inoperative position to an extended or towing position located behind the trailer frame; and a (iii) main drawbar to a prime mover. There is also provided a pivot frame pivotally attached to the trailer frame by pivot attachment means which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.

Abstract: The present invention provides a multiple use adjustable trailer for use in transportation, storage and housing, comprising: a substantially Y-shaped tongue (18) which pivots on a frame (2) into a perpendicular position where the lower portions of the side arms of the tongue (18) function as support legs for the frame (2), enabling the frame (2) to store and display materials or house equipment in the trailer bed. The tongue (18) is further secured vertically by hitch pins (8) in brackets (28) on the frame (2) that can be locked in place as a deterrent to theft. Two flip-down legs (30) pivotably mounted on the side of the frame (2) are used as temporary support legs before the lower portions of the side arms of the tongue (18) are fully engaged. The flip-down legs (30) are engaged when a hitch pin (8) is released from a hitch means on each side of the frame (2), enabling each flip-down leg (30) to freely pivot downward to contact the ground.

Abstract: A motorcycle trailer converts between a single mode, for towing one motorcycle, and a dual mode for towing two motorcycles. In the single mode, a longitudinal frame includes a front member, a center member and a rear member which assemble to provide an elongate, narrow platform with a tire channel for receiving the front and rear wheels of a motorcycle. Left and right wheel assemblies each include a wheel with a tire, an axle and an axle extension that slides into an axle sleeve fixed to the underside of the longitudinal frame. A straight coupler is fitted to the front member for hitching the assembled trailer to a tow vehicle. In the dual mode, two assembled longitudinal frames, each having the front member, center member and rear member, are positioned in parallel spaced relation and an axle extension is connected between the axle sleeves.

Abstract: A folding trailer may be selectively moved between an extended or use position and a collapsed or storage position. The folding trailer may include an axle that is capable of being moved between a first position in which the axle is generally aligned along an axis and a second position in which the axle is disposed in a folded configuration. The axle is preferably located in generally the same plane in the first and second positions. In addition, the axle preferably moves in a generally rearward direction when the axle is moved from the first to the second position. The trailer may also include a bed that is capable of being moved between a first position in which first and second portions of the bed are generally aligned with a first plane and a second position in which the first and second portions of the bed are disposed in a folded position and generally aligned with a second plane. The axle and bed are preferably disposed in the first positions when the trailer is in the use position.

Abstract: 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 vehicle. A wheeled trailer is also provided, which is positionable in the storage space, is removable from the storage space, and has a hitched drawbar engagable to a tow bat secured to the rear of the vehicle.

Abstract: 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. The assembly 10 includes a selectively movable assembly 202 which allows an item 200 to be easily placed within and removed from the assembly 10, and a selectively movable back bumper assembly 202.

Abstract: 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 vehicle. A wheeled trailer is also provided, which is positionable in the storage space, is removable from the storage space, and has a hitched drawbar engagable to a tow bat secured to the rear of the vehicle.

Abstract: A folding camping trailer for use with an ATV. The trailer is of rugged construction and uses low inflation tires, and is large enough, when unfolded, to allow at least one sleeper. The interior is equipped with camping equipment such as stove, lantern, lights, toilet, equipment lockers, water, sink, heater and the like. Importantly, the trailer is dimensioned and configured to take up a foot print similar to that of an ATV, so that a standard garage or trailer dimensioned and configured to hold ATVs may hold the camping trailer in an ATV space. The trailer may have an extendible yoke, a torsional axle, and additional beds.

Abstract: A cart for transporting objects is provided. The cart includes a base structure supported on a plurality of wheels. An elongated tongue is telescopically mounted to an underside of the base structure and is movable between an extended position, wherein the tongue extends in front of the cart, and a retracted position, wherein the tongue is disposed under the cart. A hitch apparatus is mounted to the base structure at the posterior end thereof. The hitch apparatus includes a hitch for receiving a tongue of another cart and a locking assembly for locking the tongue to the hitch. The locking assembly includes a pin movable between locking and release positions. A tongue actuator is connected to the tongue and is operable, upon manipulation by an operator, to move the tongue from the retracted position to the extended position, while a hitch actuator is connected to the pin of the locking assembly and is operable, upon manipulation by an operator, to move the pin from the locking position to the release position.

Abstract: A conversion kit and method of using a conversion kit is provided which converts a metal shipping crate into a transporting apparatus. In one preferred embodiment, the conversion kit utilizes a hinge and locking mechanism to angle the trailer for loading of a cargo vehicle and lock the trailer into a horizontal transport position. In another preferred embodiment, the conversion kit utilizes a locking ramp which is lowered for loading of a cargo vehicle and then locked in a vertical position to keep a cargo vehicle in place. A method for using the conversion kit is also provided.

Abstract: A reconfigurable, transportable container assembly is provided. Side panels are releasably interconnected with each other and combine with a base panel, and a top panel releasably mates with the side panels. The top panel is combined with the side panels and the base panel to form a transport configuration that defines a closed, transportable, collapsible container, and that is reconfigurable to a nontransport configuration that defines a substantially stationary structure different from the transport configuration. Embodiments can include deployable wheel assemblies and extendible jack assemblies connect to the base panel.

Abstract: A folding structure of a carrier includes an expansion member connected between a base frame and an extension member. As the expansion member pivotally passes through the point of over-tangency (the turning point of balance of force), the extension member is extended or folded due to a liner bias force provided by the expansion member and also due to the change in length of the expansion member. For example, the expansion member starts to elongate itself when passing through the point of over-tangency, generating a force to extend the extension member in an extended position automatically.

Abstract: A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (22) comprises a longitudinal slot (36) wherein the hook (24) is designed to slide such that the hook can slide in the longitudinal slot between a position spaced apart wherein the trolley (10) is at a maximum distance from the tractor while it is being towed and a closer position wherein the trolley is at a minimum distance from the tractor to reduce the space requirement when it is stopped.

Abstract: A mono-beam trailer and support assembly for transporting a motorcycle in an upright position without the use of straps or ropes. A single elongate main beam, upon which the motorcycle is carried, pivots vertically and laterally relative to the towing vehicle but cannot rotate axially. A “T” bar assembly pivotally carried by the main beam releasably communicates with replacement foot peg pins installed on the motorcycle foot peg fastening brackets releasably securing the motorcycle to the main beam and preventing undesirable movement thereof. A pivotal swing arm at a rearward end portion of the main beam has a wheel truck thereon for towable movement of the trailer. The swing arm may be pivoted vertically and laterally on to mutually perpendicular axles to a position adjacent the elongate main beam to ease the loading and unloading of the motorcycle.

Abstract: A frame structure for foldable baby trailer is disclosed to include a bottom frame formed of two side bars and a front bar and a rear bar, two vertical side frames each having two bottom frame bars respectively pivoted to the side bars and an arched top frame bar pivoted to the bottom frame bars, a transverse top bar detachably connected to the arched top frame bars of the two vertical side frames, a trailer bar pivoted to the front side of said side bar of the bottom frame and selectively locked between an extended position and a received position, and a bumper detachably connected between the side bars of the bottom frame.

Abstract: An amphibious utility cart aids an outdoorsman in transporting equipment from home to a hunting site, and may further provide seating. The apparatus comprises framing to which a molded plastic platform is attached. The entire unit is designed to be rolled on land with wheels and to float on water with the buoyant seat platform. The platform, in a lounge chair design, is used as an equipment tote platform while going to a destination, and then as a chair for an outdoorsman or his dog when at the destination. The chair is designed for maximum floatation for water crossings and shallow-water seating. The two wheels provide the rear seating base and two retractable poles extend downward to provide frontal leg braces for a stable seating base. A handle is extended for the cart for either land or water transportation, and slides into the metal frame while in the chair mode.

Abstract: A one wheeled trailer is disclosed for use with and for pulling behind a two wheeled vehicle such as a motorcycle or motorbike. The trailer is configured to track behind the motorcycle or motorbike and to lean with the cycle as a unit so as to respond in the same manner as the motorcycle or motorbike. The trailer is supported on a single tire aligned to track behind the motorcycle tires thereby eliminating the sideways torque when the trailer hits a pothole or a curb. The trailer is designed to perform on the road and in turns the same as the motorcycle and does not limit the motorcycle from performing the way it was intended.

Abstract: A trailer extension, detachable at both ends, includes an elongated rigid beam with trailer hitches secured at both ends, the rear one for hooking to a standard trailer such as a boat trailer. A secondary support member is removably clamped underneath the elongated rigid beam and underneath the frame of the following trailer to distribute added weight. At least one platform section is supported on top of and intermediate to the ends of the elongated rigid beam. At least one ramp is hingedly or removably attached to one side of the transverse platform section such that recreational vehicles can be driven up onto the platform.

Abstract: A modular tow trailer assembly tows cargo behind a motor vehicle. A base assembly pivotally connects to a fork assembly. A hydraulic lifting cylinder moves the wheels downward relative to the fork assembly to raise the fork assembly into a towing position with the load substantially centered over the trailer's wheels. The tow trailer is readily partially disassembled for fitting within a cargo container and transporting within a cargo carrier in field conditions.

Abstract: A pedestrian trailer is disclosed. The pedestrian trailer includes a trailer frame for supporting a load and at least one wheel which renders the trailer frame portable. A load-stabilizing towing belt may be worn by a pedestrian and removably engage the trailer frame as he or she pulls or tows the pedestrian trailer.

Abstract: A utility trailer that is converted from an ATV loading ramp. The loading ramp frame is adjusted to form a V-shaped trailer body. An axle and wheels are attached to the V-shaped body along with an elongate handle. The handle also functions as a hitch for connecting the wheeled V-shaped body to the ATV. A system of metal pins, bolts and brackets serve to connect the various parts of the converted device. The various parts of the device, excluding the loading ramp, can be made available in the form of a kit.

Abstract: A collapsible trailer has a trailer frame adapted to support a boat or marine vessel, the trailer frame including at least one longitudinal member and at least a pair of transverse members and at least two wheels, the wheels removably associated with opposed ends of a first of the pair of transverse members and marine vessel support means removably associated with the other of the pair of transverse members wherein the trailer frame is adapted to assume a use condition with the wheels attached for supporting a boat or marine vessel on the trailer and a collapsed condition with the wheels removed in which the trailer occupies less space than in the use condition.

Abstract: A vertically stowable modular multi-purpose trailer is provided. The trailer includes a forward support section including a first tubular frame having a main body portion with a first upper platform and rear interface side, and forward trailer neck; a pair of caster wheels attached proximate said rear interface; and a first planar deck substantially covering the first upper platform. The trailer further includes a rear support section including a second tubular frame having a second upper platform and a forward interface; and a second planar deck substantially covering the second upper platform. A pair of hinge assemblies interconnecting rear interface and said forward interface. The trailer is adapted to be configured in a deployed configuration, wherein the forward support section and rear support section are longitudinally positioned next to each other forming a generally horizontally oriented common planar platform for supporting a payload.

Abstract: A trailer for moving a load, the trailer including a main supporting component for supporting the load, the main supporting component defining a reference plane extending thereacross. The trailer also includes a pair of wheel assemblies. Each of the wheel assemblies includes a wheel; a wheel support removably attachable to the main supporting component; and an axle rotatably mounting the wheel to the wheel support. When the wheel supports are attached to the main supporting component, the wheels are in a substantially parallel relationship relatively to each other; each supported in a cantilevered configuration by a respective one of the wheel supports, the wheels being substantially perpendicular to the reference plane; and each supported in a substantially spaced apart relationship relatively to the main supporting component in a direction substantially perpendicular to the reference plane.

Abstract: A trailer apparatus is for use with a portable bleacher of the type having a lower framework supporting and interconnecting a plurality of generally parallel longitudinally extending bleacher seat assemblies. The framework includes longitudinally spaced laterally extending base members. The trailer apparatus includes a torque tube rotatably attached to a lower part of the bleacher framework and above the base members to extend beneath and generally perpendicular to the seat assemblies. A torque arm is rigidly attached to one end of the torque tube. A first wheel assembly is rotatably coupled to the torque arm on an axis of rotation parallel to the torque tube axis. A generally vertically or horizontally extendable lift jack is coupled at a lower end to the torque arm and operatively coupled at its upper end to the framework.

Abstract: A transportable storage container for securely storing construction tools that is readily moved around the job site by a single person and is readily towed behind a vehicle without the need to load and unload the storage container prior to and after transportation.

Abstract: A carriage for transporting heavy loads on conventional roads is disclosed. The carriage comprises a central beam extending the length of the carriage and a plurality of cross beams. At least one of the plurality of cross beams comprises a hollow element having a first end and a second end, wherein the hollow element is coupled to and extends perpendicularly to the central beam; a first beam slidably positioned within the first end of the hollow element, wherein the first beam is coupled to at least one axle; and a second beam slidably positioned within the second end of the hollow element, wherein the second beam is coupled to at least one axle. The carriage further comprises a hydraulic system coupled to each of the plurality of cross beams for hydraulically sliding each beam positioned within each hollow element.

Abstract: The present invention relates to a transformable utility/ATV trailer (1) that can easily be adapted to mount to a large number of different types of vehicles and trailer hitches. Moreover, the trailer (3) can rapidly be converted from a short box/bed trailer (3) to a flat bed trailer (3). The tow structure (2) comprises a frame (4) for mounting to a trailer (3) or similar implement and a draw bar (5) having a first end with a first hitch coupler (6) and a second end with a second hitch coupler (12). The draw bar (5) is mounted pivotally to the frame (4) for movement between a first position in which the first end of the draw bar (5) extends forward of the frame (4), and a second position in which the second end of the draw bar (5) extends forward of the frame (4).

Abstract: A hitch assembly for mounting to a trailer to form an interface between the trailer and a towing vehicle, with the trailer having a trailer deck and at least one wheel for ground support, said hitch assembly including a generally horizontally oriented cross member; a first mount arrangement including a shaft projecting from the cross member for telescopic receipt in a corresponding hitch receiver associated with a towing vehicle to connect said hitch assembly to a towing vehicle; and a second mount arrangement including at least two bosses spaced a predetermined distance apart and fixed to the cross member, with the bosses being mountable to the trailer deck to connect said hitch assembly to the trailer.

Abstract: A cart for transporting objects is provided. The cart includes a base structure supported on a plurality of wheels. An elongated tongue is telescopically mounted to an underside of the base structure and is movable between an extended position, wherein the tongue extends in front of the cart, and a retracted position, wherein the tongue is disposed under the cart. A hitch apparatus is mounted to the base structure at the posterior end thereof. The hitch apparatus includes a hitch for receiving a tongue of another cart and a locking assembly for locking the tongue to the hitch. The locking assembly includes a pin movable between locking and release positions. A tongue actuator is connected to the tongue and is operable, upon manipulation by an operator, to move the tongue from the retracted position to the extended position, while a hitch actuator is connected to the pin of the locking assembly and is operable, upon manipulation by an operator, to move the pin from the locking position to the release position.

Abstract: 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 vehicle. A wheeled trailer is also provided, which is positionable in the storage space, is removable from the storage space, and has a hitched drawbar engagable to a tow bat secured to the rear of the vehicle.

Abstract: A collapsible utility trailer having a trailer bed, a trailer frame, a front pair of wheels and a rear pair of wheels. The trailer bed has at least two bed sections and each of the bed sections has a length and a width. The trailer frame has a plurality of frame sections and each of the trailer frame sections have a length and a width that are less than the length and the width of the bed sections, respectively. The trailer bed sections are attached to the trailer frame. The front and rear pairs of wheels rotatably attached to the trailer frame so that the front and rear wheels are oriented substantially below the trailer bed.

Abstract: A folding carrier assembly converts to a bicycle trailer, a three-wheeled jogging stroller and a four wheeled casting stroller. The carrier assembly has a lower main frame. An arched rear or back frame member is pivotally connected to an aft portion of the lower main frame. The carrier assembly further has a single longitudinal arched member with a first end and a second end. A center support pivotally connects the arched member first end to a central fore area of the lower main frame. A user interface in the form of a release mechanism removably couples the arched member second end to a central area of the arched rear frame member. The carrier has two wheel assemblies on opposite lateral sides of the lower main frame. Wheel guards are disposed external and lateral to the wheel assembly. Supports on the fore portion of the lower main frame enable removable coupling to a jogging wheel assembly or a pair of caster wheels. Alternatively, a trailer tongue may be connected to one of the supports.

Abstract: The present invention features a combination utility/camper tow trailer capable of being converted between a first utility functioning configuration or position, a second utility functioning configuration or position, and a sleep functioning configuration or position via first and second configurable panel members. In the first utility functioning position, the combination utility/camper tow trailer is capable of supporting and carrying a load atop the panel members, while simultaneously providing storage in the trailer bed below. In the second utility functioning configuration, the trailer is configured to increase the volume of the interior storage portion of the trailer bed by positioning first and second configurable panel members in an upward extending manner.

Abstract: The present invention features a combination utility/camper trailer capable of being converted between a first utility functioning configuration or position, a second utility functioning configuration or position, and a sleep functioning configuration or position via means for repositioning, which allows first and second configurable panel members to be relocated or repositioned between these positions. In the first utility functioning position, the combination utility/camper trailer is capable of supporting and carrying a load atop the panel members, while simultaneously providing storage in the trailer bed below. In the second utility functioning configuration, the trailer is configured to increase the volume of the interior storage portion of the trailer bed by positioning first and second configurable panel members in an upward extending manner.

Abstract: A trailer, having the capability of lowering its deck to the ground surface for ease of loading and unloading from the ground; raising its deck to a loading dock height for ease of loading and unloading from a loading dock or other elevated surface; and tilting its deck for dumping is disclosed. The deck is maintained in a transport position for travel. All the changes in position may be effected by a single actuator. Rollers, affixed to a rail affixed to the deck roll inside C-channels affixed to the frame arranged at a diagonal to the vertical when raising or lowering.

Abstract: The combination workover and drilling rig of the present invention combines a capability to drill a well, as well as perform well maintenance and service, using either or both tubing with threaded tubular connections or coiled tubing. A mast and a coiled tubing injector are independently mounted to a support platform and can be operated independently of each other. The coiled tubing injector is selectably elevatable into a stowed position, a ready position, or an operating position.

Abstract: A cargo trailer having a frame assembly with pivotally mounted wall structures or frames. The frame assembly can be collapsed into a compact shipping configuration wherein the wall structures are positioned substantially parallel with the floor structure of the trailer. Various parts of the cargo trailer can also be stowed in the collapsed frame assembly for shipment of the frame assembly and stored parts. After shipment of the cargo trailer, the wall structures are pivoted into their upright positions and the final assembly of the cargo trailer is completed. Exterior panels may be shipped together in a compact stack with the frame to the final assembly location where the panels are attached to the cargo trailer.

Abstract: A handle assembly for converting a conventional yard cart for use in the manner of a wheelbarrow includes an L-shaped handle including a vertical portion and a horizontal portion. A socket member is connected to the yard cart tow bar which is normally coupled to a garden tractor. The handle member is connected to the socket member after the tow bar is uncoupled from the garden tractor thereby enabling the yard cart to be guided and moved by an operator in the manner of a wheelbarrow.