Abstract: A system to couple an implement to a work vehicle includes a first lock assembly coupled to an arm of the work vehicle. The first lock assembly includes a latch. The first lock assembly also includes a first hook and a second hook positioned on opposite lateral sides of the latch. The first lock assembly further includes a first actuator configured to drive rotation of the latch to trap a laterally-extending bar of the implement between a curved inner surface of the latch and respective curved bar-contacting surfaces of the first and second hooks to form a first connection that couples the implement to the work vehicle.

Abstract: A vehicle trailer system for loading, transporting and unloading a load includes a trailer front structure for attachment to a towing vehicle; a pivotable structure pivotally coupled to the trailer front structure and including a transversely-movable structure for a load to slide or roll thereupon. An actuator allows causing transverse movement of the transversely-movable structure relative to a main body of the pivotable structure. A carriage mounted for bidirectional travel on the main body of the pivotable structure, the carriage including a carriage hitch for pivotably coupling a load. The transversely-movable structure in combination with the pivotably coupling carriage hitch allow correcting virtually any misalignments between the cargo container and the trailer, and clearing virtually any obstacle, in such a way that cargo containers will be able to be loaded and unloaded by small vehicles and in practically any location.

Abstract: A trailer assembly is disclosed that is operable to transport vehicles. The trailer assembly includes at least two tires and a first frame section, a second frame section, and a third frame section. The tires are coupled to the first frame section. The second frame section includes a platform configured to support at least a front wheel of a vehicle. The second frame section and the third frame section are each rotatably coupled to the first frame section. The third frame section includes a portion adapted to be directly selectively couplable to a trailer hitch of an automobile. A winch assembly couples the second frame section to at least one of the first frame section and third frame section. The winch assembly is operably configured to both lower the second frame section and raise a portion of the first frame section independent and without rotation of the third frame section.

Abstract: A transportable apparatus has a main body configured to be transported in a horizontal orientation, and then raised to a vertical orientation in a working position. A base is mounted on the bottom end of the main body such that the main body rests on the base in the working position, and such that the base is carried at a rear end of the main body when the main body is in a horizontal transport position supported on. The base is rotatable about a vertical base axis such that the main body can be rotated with respect to the base about the base axis. A frame and wheels can be pivotally attached to the main body to transport the main body and then be stored in a vertical orientation along a wall of the man body in the working position.

Abstract: A detachable trailer for conveying and unloading articles in bulk is provided, including a frame configured for movement along a substrate and supporting generally vertically extending posts, a container mounted to the frame and configured for receiving the articles, the container being pivotally movable in a swinging action about a set of pivot points disposed at or adjacent each upper end of the posts. The posts and support arms defining a support structure for the container for supporting the pivoting action of the container when filled with the articles between a storage position and a delivery position. At least one powered cylinder is connected to the frame and to the container for pivoting the container about the pivot points associated with the posts for facilitating movement of the container from a rest or travel position, and an unloading position.

Abstract: A trailer assembly is disclosed that is operable to transport vehicles. The trailer assembly includes at least two tires and a first frame section, a second frame section, and a third frame section. The tires are coupled to the first frame section. The second frame section includes a platform configured to support at least a front wheel of a vehicle. The second frame section and the third frame section are each rotatably coupled to the first frame section. The third frame section includes a portion adapted to be directly selectively couplable to a trailer hitch of an automobile. A winch assembly couples the second frame section to at least one of the first frame section and third frame section. The winch assembly is operably configured to both lower the second frame section and raise a portion of the first frame section independent and without rotation of the third frame section.

Abstract: A transport apparatus for moving an elongated object includes a trailer frame with a tilting rear frame section pivotally attached to a front frame section. Rear wheels are mounted under the rear frame section rearward of the tilt axis, and an actuator pivots the rear frame section upward about the tilt axis from a horizontal lowered position to a vertical raised position. An engagement mechanism on a rear end of the rear frame section rearward of the rear wheels moves downward into engagement with a receiver on the object when the rear frame section moves upward. When the rear frame section moves upward to the raised position adjacent to the object, the rear wheels are raised above the ground. A lock secures the object to the tilting rear frame. Moving the tilting rear frame section downward moves the object downward to a horizontal transport position resting on the trailer frame.

Abstract: A trailer with a tilting bed includes an hydraulic tilt control. The tilt control includes piston-and-cylinder units for restraining or cushioning the pivotal movement of the bed between a transport mode and a tilt mode. A flow control valve provides fine control of the rotation of the bed when equipment is placed thereon and the trailer converts to a transport mode with the bed level.

Abstract: A pneumatic drop frame trailer has lateral wheels connected to the frame by pivotal wheel support arms with airbags between the support arms and frame, a pivotal tongue member with an airbag between the tongue and the frame, a deck having an inclined ramp portion at the rear end, and a control box on the deck containing an air compressor, air storage tank, and associated valves and controls. The wheel airbags and tongue airbag can be inflated or deflated while hitched to a vehicle to raise or lower the frame evenly and horizontally relative to the ground and may also be inflated to provide stiffness or shock absorbing characteristics. When the wheel airbags are deflated, the bottom of the frame is disposed substantially horizontally and very close to the ground surface with the ramp portion substantially flush with the ground surface in a loading and unloading position.

Abstract: A dual trailer has a first trailer with a king pin for a tractor and a rear fifth wheel for the king pin of a second trailer. The rear end of the first trailer and the front end of the second trailer is lifted into an empty transport position so that the first and second trailers are supported solely on the tractor and the rearmost axle of the second trailer. The remaining axles are held raised from the ground by the lifting of the trailers and by an individual lifting hook supporting the axle raised relative to the frame. In the empty transport position, the first and second trailers are maintained as a single integral trailer in a directly aligned position. Each axle includes an air bag so that the hook is engaged when the axle is raised relative to the frame by releasing the air from the bag.

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 capable of being attached to a prime mover. There is also provided a pivot frame pivotally attached to the trailer frame by pivot attachment joints which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.

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 trailer includes a deck frame which can be supported in a lowered transport position in which the deck frame is spaced above the ground below a height of the wheels corresponding to a deck between configuration and a raised transport position in which the deck frame is spaced above the ground substantially at or above the height of the wheels corresponding to a deck over configuration. Consumers are thus only required to purchase a single trailer to meet the advantages of both trailer configurations. Load supports, independent of a lift mechanism of the trailer, are provided in addition to the linkage which controls displacement of the deck frame between the two positions to ensure that the deck frame is supported on the wheels in a manner so as to safely bear a load on the deck frame in both the lowered and raised positions.

Abstract: A cradle has wheels and suspension system and channels or raceways and blocks or a brake for maintaining the cradle in a stationary position relative to the ground during loading and unloading. A load bed with top loading ramps and a bottom pair of wedge slide ramps rides on the raceways pushed and pulled by a tow arm from a towing vehicle. The wedge slide ramps provide a vertical cam action gradually elevating a forward end of the load bed as the wedges move onto the raceways for tilting the load bed so that the back end of the loading ramps tilt down to contact the ground for loading.

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 joints which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.

Abstract: A load hauling vehicle such as a truck or trailer having a bed which can be loaded or unloaded either from the side or the rear of the bed. The present invention has one or both side walls which are hinged at the bottom edge to an adjacent edge of the bottom of the bed so that the side walls can be swung by an actuator to raise and lower the side walls. The present invention further provides a mobile display with at least one secondary lifting arm that raises an advertisement to be prominently displayed to potential customers. Further, the side walls of the present invention can serve as a portable stage.

Abstract: A transport trailer comprises a support surface mounted for rotation relative to an underlying frame to facilitate the loading of vehicles and other articles by forward movement thereof and the unloading of the vehicles and other articles also by forward movement thereof.

Abstract: A jig assembly which includes a universal joint to enable three-dimensional movement of a workpiece or handling device attached thereto. The assembly is particularly useful for enabling translation and rotational movement of heavy machinery and components for servicing and maintenance. The jig assembly may comprise one or more ball joints which may be moved by actuators such as hydraulic cylinder. The assembly may be provided on its own movable frame, or it may be attached to a front end of a loader.

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 trailer for a walk greensmower comprises a trailer frame supported by a pair of ground engaging trailer wheels. The trailer frame includes a pair of spaced, parallel wheel ramps. A tongue is provided for connecting to a tow vehicle. The trailer frame is pivotal relative to the tongue and to the trailer wheels to tilt into an inclined loading position for loading the walk greensmower by driving the walk greensmower up the wheel ramps using the powered transport wheels of the walk greensmower. Once the walk greensmower is loaded onto the wheel ramps, the trailer frame is pivoted into a transport position in which the wheel ramps no longer engage the ground and the walk greensmower is carried on the wheel ramps. In one embodiment of this trailer, the wheel ramps comprise cylindrical rails and the transport wheels are grooved to ride on the top sides of the rails.

Abstract: The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected to the collar and extends forward from the collar. A hitch ball receiver is mounted on a front end of the hitch tongue for connecting the tug to a towing vehicle. A vertical height adjustment frame is slidably connected to the collar. A linear actuator moves the height adjustment frame up and down relative to the collar. A power unit frame is pivotally attached to the height adjustment frame for pivotal movement about a vertical axis. A motor, transmission and driven wheels are mounted on the power unit frame. The linear actuator raises and lowers the driven wheels. A steering system pivots the power unit frame to steer the tug.

Abstract: A rapid assembly game blind transport trailer that breaks at pivot points in folding fashion and stands upright along with the attached game blind as a driver moves in reverse, and which allows rapid standing and easy separation or attachment of the blind and trailer unit.

Abstract: A slat carrier for facilitating transportation of slats to be used in an animal pen. The slat carrier includes a support assembly being designed for selectively receiving the slat to be transported. A mounting assembly is rotatably coupled to the support assembly. The support assembly is rotated with respect to the mounting assembly whereby the support assembly is designed for rotating the slat from a horizontal position to a vertical position to facilitate transportation of the slat through doorways. The mounting assembly is designed for being selectively coupled to a vehicle whereby the mounting assembly permits the vehicle to transport the slat supported by the support assembly. A wheel assembly is coupled to the mounting assembly. The wheel assembly is designed for engaging a support surface whereby the wheel assembly facilitates transportation of the support assembly across the support surface.

Abstract: A trailer for hauling cylindrical bales includes a carrier for the bales, wheels on the carrier, an elevation adjustment mechanism for raising and lowering the carrier, and a hitch for coupling to a towing vehicle. The carrier has two inwardly extending bottom flanges that are spaced apart and define an opening between them, and an open end through which the bales pass during loading and unloading. When moving the carrier into engagement with one of the bales resting on the ground, the bale stays generally still due to friction from the bale contacting the ground through the opening and the bottom flanges slide under the bale to load the bale onto the carrier. Additional aspects include an adapter for use with a towing vehicle having a three-point pintle hitch, insert containers that fit into the trailer, and a method of loading and unloading the bales.

Abstract: Apparatus and method for facilitating access to articles from a rear end and a front end of a trailer (A) disclose the use of a hydraulic cylinder (D) exerting a force between a towbar (C) and the trailer for pivoting the trailer on its wheels (B) to make the trailer accessible without obstruction by the towbar and towing vehicle. Cylinders (F) are provided for facilitating raising and lowering ramps at the front and rear ends of the trailer.

Abstract: A trailer comprises two elongate panels as loading ramp panels. A wheel assembly supports the panels and a trailer drawbar having a first end for connection with a draft vehicle and a second end which is secured with the wheel assembly by a first fastener and a second fastener secures the panels to the drawbar at a point spaced from the wheel assembly. A kit for utilizing two panels in a trailer comprises a wheel assembly, a drawbar and first and second fasteners for securing, respectively, the second end of the drawbar with the wheel assembly and the panels to the drawbar at a point spaced from the wheel assembly.

Abstract: A trailer includes a tongue, an upper frame, a lower frame coupled to the upper frame via a plurality of arms, and a lift assembly. The lift assembly includes 1) a hydraulic ram and 2) a hydraulic pump that is operatively connected to the hydraulic ram. The hydraulic ram raises the upper frame to a raised position when the hydraulic ram is retracted, and lowers the upper frame to a lowered position when the hydraulic ram is extended. The lift assembly is configured to be removably attachable to a trailer for retrofit operations, lift assembly replacement, or lift assembly reuse upon trailer sale or disposal. Also included is a method of raising and lowering a vehicle.

Abstract: The present invention is directed to a tilt bed trailer which includes a frame platform with transport wheels. A V-shaped draw tongue has rearwardly diverging draw arms which terminate in sleeve ends that are spaced the width of the frame platform. Hinge connections extend between the frame platform and the draw tongue with each hinge connection including left and right hinge supports extending downwardly below the frame platform and the side rails with a hinge rod extending therebetween. The draw arm sleeve ends are sleeved on the hinge rods so that the draw tongue swings vertically relative to the frame platform. An extensible member such as a hydraulic ram extends longitudinally angularly between the platform front end and the front portion of the draw tongue so that upon extension the frame platform tilts upwardly and rearwardly about the transport wheels to lower the frame platform rear end to the ground for ease of loading.

Abstract: A load transporting trailer has modular construction with components that are readily separable for quick disassembly into light weight, packable, conventional luggage-sized elements. The trailer includes a pair of lateral frame sections, each including a folding wheel assembly adapted for folding relative to its associated frame section. A central frame section intercouples the lateral frame sections in side-by-side relationship. Alternatively, a pair of rectangular frame sections may be intercoupled with a hinge. A removable deck panel is installed in each frame section and a bike stand may be attached. The trailer includes a tow bar coupled with the frame for connecting the trailer to a towing vehicle. The tow bar folds to form a tripod for supporting the trailer in an upright, parked position. A pair of castered legs is coupled with the aft portion of each frame section to permit rolling of the parked trailer.

Abstract: A transport apparatus to launch a boat into the water and retrieve the boat from the water. There is an elongate main frame having forward and rear main frame sections pivotally connected to one another along a transverse axis at approximately a mid location along the length. At the forward end of the main frame, there is an operating station and also forward wheels which are capable of turning a full ninety degrees in either direction, and there are at the opposite end rear support wheels which can be raised or lowered. When a boat is being taken out of the water, the apparatus is moved so that its rear end moves into the water, the rear wheels are raised to lower the rear frame section and the two main frame sections are articulated relative to one another to lower the pivot location. In this configuration the boat can be brought onto the rear main frame section, the rear section raised, and the boat carried out of the water.

Abstract: Ready loading and unloading of objects are provided for by providing for alternating tilting of a bed of a dual tilt trailer in a first loading direction and in a second unloading direction. Ideally, the loading and unloading occur at opposing corners of the dual tilt trailer. This provides for a diagonal orientation of the object during all contact with the dual tilt trailer. Various safety features ensure safe operation of the dual tilt trailer. These include a locking assembly which locks the bed in a level transport orientation during the loading operation when the bed moves from the loading tilted orientation to the level transport orientation and which locks the bed in an unloading tilted orientation during the unloading operation when the bed moves from the level transport orientation to the unloading tilted orientation.

Abstract: A frame configuration that is particularly adaptable for use on a trailer such that the frame configuration is operable in both a tilt mode of operation and a dump mode of operation. An actuating mechanism includes a linear actuator that is supported on the frame by a bracket and a yoke that connects to a load bed to power the vertical movement of the load bed in both tilt and dump functions. The linear actuator is pivotally mounted to permit a re-positioning of the actuator into an inoperative position. The frame configuration is provided with an articulated tilt frame in which the tongue is pivoted thereto allowing the load bed to pivot about a tilt axis which can coincide with the wheel axis of the trailer. The bed frame can be locked to the tilt frame for tilting upon articulation with the tongue, while a disconnection of the bed frame from the tilt frame enables the bed frame to pivot about the dump axis to provide a dump function in addition to the tilt function.

Abstract: A pivoting bed trailer to be towed behind a motor vehicle for transporting a wheeled vehicle includes a main frame having a trailer hitch at a front end for coupling with the motor vehicle and a rearward end that engages the ground in an inclined loading condition and supported horizontally above the ground in a transporting condition. The main frame includes longitudinally extending guide rails for laterally aligning the vehicle. A pivot frame frontally and laterally bounds the main frame and the guide rails and is connected to said main frame at a transverse pivotal connection. The pivot frame includes pair of laterally spaced wheel assemblies carried by leaf spring below the pivot frame forward of the pivotal connection whereby rotation of the pivot frame about the wheels raises and lowers the transverse pivotal connection and moves the main frame between the loading condition and the transporting condition.

Abstract: An apparatus and method for removing logs from a forestry site. The apparatus and method includes a primary mobile machine having means attached to a rearward portion thereof for holding a first end of a first log cluster. The apparatus and method also includes a first secondary mobile machine with a first end having means for holding a second end of the first log cluster, and a second end having means for holding a first end of a second log cluster. The primary mobile machine and the first secondary mobile machine are interconnected by the first log cluster.

Abstract: A utility trailer having a bed mounted on an axle which is supported by at least two wheels and adapted to be towed by a vehicle over a surface, the trailer having a bed which is capable of being selectively dumped to expel the contents thereof, wherein an anchor is disposed on chains and selectively deployable to position the chains relative to the wheels such that when the anchor is deployed, the wheels of the trailer engage the chains to halt movement of the trailer and cause rotation of the trailers bed about its axis.

Abstract: A post-and-beam mechanism easily connectable to a standard car dolly carries on its beams a standard boat trailer, loaded with boat and outboard motor, above the front end of a towed vehicle on the dolly, with the rear, heavy end of the trailer and boat located forward most. A motor home may tow, to the destination site, the dolly thus loaded with towed vehicle, boat trailer, boat and motor. The post-and-beam mechanism is pivotably swingable from a low position for loading the loaded boat trailer thereon; to a high position for carrying the loaded boat trailer. The towing is safely done, with advantageous forward weight distribution of the carried trailer, boat and motor, and with short combined overall length of towing vehicle and towed vehicle, for easy driving and parking. When the destination site is reached, the towed vehicle is unloaded from the car dolly, and the mechanism may be lowered from the high position to the low position for unloading the boat trailer.

Abstract: A trailer (10, 210 or 310) having a tilting bed (26, 226 or 326) is described. The bed has a front portion (26A) and a back portion (26B) which are pivotably mounted together. The front portion is fixably mounted to the frame (12, 212 or 312) of the trailer. The back portion is able to be lowered to form a ramp for loading and unloading the trailer. A cable and pulley system (40, 240 or 340) is used to raise and lower the back portion of the bed. The cable(s) (50, 250, 251 or 350) of the cable and pulley system can be loosened or tightened using either a winch (52) or a hydraulic winch (266 or 366). The pivot point of the back portion is located in front of the axle (16) of the trailer which creates a longer leverage arm which allows for easier lifting of the back portion of the bed.

Abstract: A snowmobile trailer comprising a rotatable first frame having a platform comprising two or more side-by-side decks each of which is independently tiltable to the trailer rear so that snowmobiles may be driven forwardly (of the snowmobiles) onto the tilted decks, then the platform rotated 180 degrees for unloading the snowmobiles whereby they may be driven forwardly (of the snowmobiles) off of the decks. The first frame is laterally supported relative to a second non-rotatable frame. A brake dampens tilting movement of a deck. A forward portion of a deck is covered by a shroud. One or more additional shrouds are pivotally attached to be disposed outside the shroud to further cover the deck or to pivotally be telescopingly received within the shroud to allow access to a snowmobile on the deck.

Abstract: The present invention provides a turning apparatus for receiving large bales from a baler, the apparatus includes a table for receiving the large bales which turns the bale ninety degrees from its original position as it exits from a baler and then tilts the table downward thus rolling the bale off the table. The table angle and its turning speed are adjustable for varying the position in which it is deposited off of the table.

Abstract: A hydraulic tilt frame trailer is shown having a main support frame which is tiltable between a generally horizontal position and a rearwardly inclined position for loading and unloading a freight container. The tilt frame is connected to the main support frame by a first pivot point and has an opposite extent which is connectable to a hauling vehicle at a ball connection which forms a second pivot point. The main frame and tilt frame are hydraulically actuated for tilting the main support frame at an upwardly inclined angle and for simultaneously tilting the tilt frame at an opposite, upwardly inclined angle, whereby the main support frame is tilted to the rearwardly inclined position for loading an unloading a container.

Abstract: A dragline bucket transporter for use in moving a dragline bucket with a hauling vehicle comprises a wheeled trailer having a U-shaped frame with tire-supported free ends, the free ends forming an open end. The frame is moved by a hauling vehicle to surround the sidewalls of a dragline bucket. Once the bucket is surrounded, a cross member of the frame engages and lifts a front end portion of the bucket by action of a hitching assembly attached to the hauling vehicle. With the front end of the bucket elevated, lifting assemblies located at the free ends of the frame lift up a rear portion of the bucket so that it is off the ground. The hauling vehicle can then transport the bucket to a desired location, the bucket then removed from the transporter for use with a dragline.

Abstract: A roll-off trailer includes an articulating hinge and at least one hydraulic cylinder associated therewith to control the relative movement of fore and aft sections between a first position wherein the fore and aft sections lie substantially in the same horizontal plane during container transport, and a second position wherein the fore and aft sections are articulated to facilitate container loading, unloading and dumping. A pair of fore and aft winches and appropriate cabling may be used to transfer containers on the leveled trailer bed, or alternatively, powered rollers and/or a slide assembly may be used. To assist in dumping and to facilitate loading and unloading in low-ceiling environments, the aft section may be fitted with an optional extensible tail section.

Abstract: A folding frame trailer is provided which includes a rear frame assembly having a front portion and a rear portion, a neck frame assembly having a front portion, a rear portion, the rear portion pivotally coupled to the front portion of the rear frame assembly, a jackleg, and an upper coupler assembly pivotally to the front portion of the neck frame assembly, whereby the jackleg is used for jacking the trailer during the folding and unfolding operations. The trailer further includes a suspension slider, and push tubes connected to the suspension slider and the central two bolster assemblies, whereby the cent bolster assemblies fold down upon the forward movement of the slider suspension with respect to the trailer.

Abstract: An articulated vehicle has features that facilitate loading and unloading. The vehicle includes a truck and a trailer. The truck is loaded from the rear, as in the case of a pickup truck with an endgate or tailgate. The trailer is coupled to the truck by a tongue on the undercarriage of the trailer. The trailer includes a bed and a front section. The bed, when released from the tongue pivots toward the ground so that a load can be rolled from the ground onto the bed. The front section is hinged to the bed. When the front section is unlocked from an upright position, it extends over the tongue to be supported in part by the tailgate. A hinged riser on the tongue supports the bed and the section as the load is rolled from the bed into the truck. When unloading, the bed tips toward the ground as the load is rolled off the bed. The articulated vehicle loads and unloads without a separate ramp, dock, or tailgate lift.

Abstract: A movable-deck trailer is provided which includes a frame with front and back ends, a tongue assembly mounted on the frame front end and a deck mounted on top of the frame. A wheeled carriage is mounted on the frame between its front and back ends and includes a pair of walking beam assemblies adapted for pivoting with respect to the frame. Each walking beam assembly mounts multiple torque tube axle/suspension assemblies. The carriage is longitudinally movable with respect to the frame and deck. A multiple-vehicle, movable-deck trailer includes multiple deck portions, the rearmost being tiltable. A movable-deck trailer adapted for tilting under the influence of either gravity or hydraulic power includes a hydraulic piston-and-cylinder unit interconnecting a frame and a tongue assembly thereof. A movable-deck trailer with a deck adapted for raising to the height of a loading dock includes hydraulic cylinders for raising and lowering same with respect to a frame.

Abstract: An improved tilt-bed trailer constructed of light weight and durable materials is disclosed. A trailer frame with an associated rotatably interconnected tongue is affixed with a tongue release and retention mechanism that slidably engages a portion of the tongue and a portion of the frame to hold them in a fixed position when engaged and to allow the frame to pivot with respect to the tongue when disengaged. The mechanism utilizes gripping members to cooperate with ridges on the tongue. An adjustable axle mount has a pair of parallel support member having a predetermined configured channel in the lower surface of each, that slidably engage mating axle mount members therein. A locking mechanism allows positioning of the axle mount members selectably along the length of the channels.

Abstract: A trailer adapted to carry in piggy-back fashion, a removable, replaceable dolly onto which small or personal watercraft is to be loaded or off-loaded. The trailer is provided with higher pressure tires capable of withstanding such impacts and jarring as are associated with highway usage, while the dolly is provided with lower pressure tires for travel over sand, dirt, gravel, or other off-the road use. A first stop, on the trailer, limits movement of the dolly once secured; and a second stop, on the dolly, limits the movement of the watercraft. A plurality of rollers are employed to ease the dolly loading with the trailer, and the watercraft loading with the dolly.

Abstract: A roadable semitrailer made up of individual trailers each having a trailer frame supported on spaced apart road wheels and a towbar for towing each trailer as a separate trailer unit. Each towbar is connected to the trailer frame by opposed brace members which may be reconnected to the towbar at spaced apart points to provide for moving the towbar between a substantially normal working position with respect to the axis of rotation of the wheels and an inclined working position for connection to a dual coupler for operating the trailer units side by side as a dual trailer. Alternatively, the individual trailer towbars may be removed and replaced by a common towbar for both trailers or a dual trailer towbar with spaced couplers may be interposed between a tow vehicle and the couplers of the separate trailer units. Transverse removable beams are adapted to interconnect the frames of each trailer unit when the trailer units are disposed side by side.

Abstract: A trailer comprising a wheeled frame including a main deck and an upper deck positioned thereon. The rearward end of the upper deck is pivotally interconnected to the forward end of the main deck by multiple arms which maintain the upper deck in a substantially horizontal position while the main deck is being pivoted with respect to the upper deck. A suspension system is slidably mounted on the wheeled frame and is slidably movable from a transport position to a tilt position forwardly therefrom to enable the main deck to be pivoted so that the rearward end of the main deck may be moved into ground engagement to enable equipment or the like to be mounted on the trailer.

Abstract: A frame configuration that is particularly adaptable for use on a trailer such that the frame configuration is operable in both a tilt mode of operation and a dump mode of operation. An actuating mechanism includes a linear actuator that is supported on the frame by a bracket and a yoke that connects to a load bed to power the vertical movement of the load bed in both tilt and dump functions. The linear actuator is pivotally mounted to permit a re-positioning of the actuator into an inoperative position. The frame configuration is provided with an articulated tilt frame in which the tongue is pivoted thereto allowing the load bed to pivot about a tilt axis which can coincide with the wheel axis of the trailer. The bed frame can be locked to the tilt frame for tilting upon articulation with the tongue, while a disconnection of the bed frame from the tilt frame enables the bed frame to pivot about the dump axis to provide a dump function in addition to the tilt function.