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| Number | Title | Issue Date |
| 7950678 | Trailer leveling system A trailer leveling system for adjusting a height of a frame of a trailer above a ground surface is disclosed. The trailer leveling system comprises at least one trailer leveling apparatus configured to adjust a distance between an axle of the trailer and the frame o... | 05/31/2011 |
| 7347436 | Wheel suspension system, and vehicle including same A suspension system for a wheel has an elongate post member, a wheel mount adapted for mounting the wheel, an axle for rotatably mounting the wheel mount on the elongate post member, a frame adapted to slidably receive the post member such that the post member slide... | 03/25/2008 |
| 7153080 | Hydraulic level-loading and dumping trailer 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 ... | 12/26/2006 |
| 7131651 | Chassis with height adjustable wheels for regulating orientation of a chassis member A chassis is described which is constructed of two lower side frames which at each end are provided with a wheel or caterpillar track. On each of the two lower side members, there is a horizontal bearing. Each of these bearings are connected to an upper vertical sid... | 11/07/2006 |
| 7063494 | Truck bed design for automotive and equipment delivery The present invention is directed to a specialized truck bed wherein the bed is divided into two areas or deck sections connected by a transverse hinge. The invention is also directed to a winch system for use on a vehicle. The invention is further directed to an im... | 06/20/2006 |
| 6994358 | Bump stop Bump stop for an amphibious vehicle suspension having a member selectively movable between an operating position, and an inoperative position. This allows the suspension to retract road wheels along locus for conversion to marine mode. Bump stop free end may be move... | 02/07/2006 |
| 6986519 | Low profile chassis and suspension A low profile chassis and suspension system for a road vehicle. The chassis supports a payload section or cargo compartment, such as for a delivery truck, ambulance, or shuttle bus. The chassis includes a largely planar frame having a top surface which is located be... | 01/17/2006 |
| 6945744 | Trailer bed system A trailer bed system for loading/unloading a trailer without the usage of ramps. The trailer bed system includes a main frame with a plurality of supporting wheels, a deck frame pivotally attached to the main frame, and a front hitch structure pivotally attached to ... | 09/20/2005 |
| 6945832 | Suspension arrangement Vehicle suspension having a control arm pivotally mounted to vehicle body. Wheel support is pivotally mounted to the control arm. A hydraulic strut is pivotally mounted to body at trunnion mount. The wheel may be protracted to be placed vertically on the road surfac... | 09/20/2005 |
| 6857643 | Elevating trailer apparatus An elevating trailer for moving between a low, cargo-loading position and an elevated, cargo-transporting position. The frame of the trailer has opposing sides, each side carrying a pair of tandem wheels. An inflatable air bag is mounted on a supporting and pivotal ... | 02/22/2005 |
| 6447237 | Pivoting bed trailer 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 ... | 09/10/2002 |
| 6273435 | Trailer with non-tilting movable bed A trailer for use in transporting a load from one area to another area has a frame and a bed operatively mounted to the frame which is capable of being moved from a first or lowered position to a second or elevated position in a substantially vertical man... | 08/14/2001 |
| 6113130 | Multi-purpose jointed suspended-bed transport trailer The present invention is related to a transport trailer with a suspended articulated platform. The device comprises a platform (1) upon which is pivotally attached a cradle formed of two interdependent arms (6) of a shaft spanning the platform transversel... | 09/05/2000 |
| 5887880 | Squatdown axle and suspension system A squatdown axle and suspension system for vehicles used to haul cargo provides a frame, a cargo bed attached to the frame, at least two wheels, and an adjustable suspension system for suspending the frame on the wheels between a transport position in whi... | 03/30/1999 |
| 5855378 | Elevator suspension and method of use A fully independent suspension system (20) for a vehicle includes a plurality of components mounted above the bottom side (502) of the frame (500) of the vehicle so that the rear end (508) of the frame (500) may be selectively lowered to the roadway. In a... | 01/05/1999 |
| 5823558 | Trailer loading support A load frame which mounts on a trailer between the trailer hitch connection and the trailer frame front cross member. The load frame is a wishbone-shaped structural unit which mounts to the trailer frame front cross member with a pivoting saddle on the tw... | 10/20/1998 |
| 5445236 | Vehicle In a vehicle combination, a traction vehicle which can be used independently of the combination, is rigidly connected with a trailer vehicle. The rear wheels of the traction vehicle can be lifted from the road when the combination is coupled, the wheels o... | 08/29/1995 |
| 5380028 | Demountable trailer suspension system A torsion bar suspension system for a trailer that includes a suspension frame having a spindle at one end for rotatably carrying a wheel. The suspension frame is mounted to the trailer frame to pivot about an axis spaced from the wheel axis of rotation. ... | 01/10/1995 |
| 5368322 | Truck having a spring suspension A truck, such as a fork-lift truck, a counterweight truck or equivalent, is disclosed. The truck is provided with one driving axle unit, a steering axle unit, and lifting and load handling equipment. The axle units of the truck are suspended and supported... | 11/29/1994 |
| 5356162 | Retractable running gear for a vehicle that is supported without contact The running gear comprises a tilting beam having one end hinged to the vehicle about a tilt pin and supporting a rotary axle for at least one wheel, a blade spring having a first end fixed to the vehicle and a second end hinged to a first end of a shock a... | 10/18/1994 |
| 5348326 | Carrier with deployable center wheels A carrier for an object having castors at each corner and a steering system comprised of a fixed pair of spaced steering wheels deployable to contact the surface proximate the midpoint of the carrier. The pair of steering wheels are separated by a distanc... | 09/20/1994 |
| 5311964 | Apparatus for controlling a front wheel driving force for use in an all wheel drive asphalt finisher The right and left front wheels of an asphalt finisher are each supported by a beam, one end of which is mounted to the body of the asphalt finisher by way of a pin such that the beam can swing, and the other end of the beam is mounted to the end of the p... | 05/17/1994 |
| 5249909 | Towing and wrecker truck A towing truck incorporating both an elevated deck and a stinger for towing and hauling vehicles. Both are hydraulically operated with the deck sliding along a pair of oppositely spaced rails which are pivotally secured to the framework of the truck. A lo... | 10/05/1993 |
| 5228522 | Lift assist and cushion spring tool bar wheel for agricultural implements A agricultural implement incorporates a frame which is adapted to engage a three point hitch of a tractor. The frame employs a longitudinally extending member which is pivotally connected to a link member. A resilient yielding assembly is disposed between... | 07/20/1993 |
| 5137413 | Expanded interior space and improved access mini-van An improvement in a vehicle such as a mini-van for transporting wheel chair bound people or large and bulky items is disclosed. A mini-van having a rear dropped axle and a door openable to the rear of the mini-van is converted into the improved mini-van. ... | 08/11/1992 |
| 5009451 | Shock absorber for use in a vehicle A shock absorber according to the present invention for use in a vehicle for cushioning a vibration generating between a vehicle body and an axle, in which a suspension spring is disposed between one member which may serve as a mass below the spring and t... | 04/23/1991 |
| 4886290 | Device making it possible to lower the rear of a road vehicle to bring it to ground level The device includes, at each end of rear axle, an approximately vertical beam, whose lower end is fastened to the axle, and in which is mounted, with insertion of a bearing; a shaft passing through the beam, oriented parallel to the axle, to whose outside... | 12/12/1989 |
| 4805710 | Arrangement in industrial trucks An arrangement in industrial trucks of the kind which include a chassis (3) carried by support wheels (5, 6) which lack spring suspension, and driven by a sprung drive-wheel (7) arranged between two support wheels. A hydraulically operable load carrying d... | 02/21/1989 |
| 4753566 | Inside loader for road traffic, designed as a semi-trailer for a semi-tractor, especically for transporting plate glass The invention concerns an inside loader, designed as a trailer for a semi-tractor, for road traffic, and for loading, transporting and unloading transportation racks, preferably for plate glass. The loader includes an undercarriage having parallel longitu... | 06/28/1988 |
| 4750579 | Arrangement in industrial trucks An arrangement in industrial trucks of the kind which include a chassis (3) carried by support wheels (5, 6) which lack spring suspension, and driven by a sprung drive-wheel (7) arranged between two support wheels. A hydraulically operable load carrying d... | 06/14/1988 |
| 4659100 | Trailer An improved trailer specially adapted for motorcycles and the like having two principal assemblies connected together in a hinge arrangement at the rear ends thereof; and which, through a cooperative levering action using two wheel stub axles as the fulcr... | 04/21/1987 |
| 4611820 | Wheel support assembly for a boat Disclosed is a wheel support assembly for a boat which is pivotally attached to the side of the boat such that the boat can be easily transported on land and, when launched, can be pivoted into the interior of the boat hull. Also disclosed are drawbars fo... | 09/16/1986 |
| 4536002 | Gauge wheel apparatus for a banding sprayer A gauge wheel apparatus for attachment to the ends of agricultural folding tool bars for a banding sprayer, or the like, which permits the level of the tool bar to be adjusted to maintain the ends of a tool bar in a desired position above the ground, whil... | 08/20/1985 |
| 4453735 | Independent wheel suspension device with built-in shock absorbers especially designed for trailers A suspension device particularly for a trailer. On each side thereof the device includes a suspension arm whose free rear end supports a spindle and whose front end is interconnected with the frame by means of a pin carried by a fixed bracket. A shock abs... | 06/12/1984 |
| 4316604 | Vehicle height adjusting device A vehicle height adjusting device of includes a hydraulic damper having a tubular main body and a piston rod slidably projecting from one end of the main body, and an air spring unit having a resilient tubular wall member. The wall member has an inner wal... | 02/23/1982 |
| 4213625 | Pneumatically suspended bus A bus arranged in accordance with the present invention permits the boarding level to be minimized at bus stops without unduly reducing the ground clearance to be maintained during operation. When supporting struts are being extended at a bus stop, the bu... | 07/22/1980 |
| 4178005 | Wheel mounting assembly A wheel mounting assembly for a towed implement which permits vertical movement of a casterwheel, adjustment of the level of the implement above the terrain and also serves to return the implement to the desired height after vertical displacement thereof.... | 12/11/1979 |
| 4102424 | Tag wheel lift A tag wheel lift includes first and second brackets, spaced longitudinally and provided with inner and outer legs, with the former being attached to a mounting plate by spacing blocks which provide clearance for nuts for pivot bolts which extend through t... | 07/25/1978 |
| 4077643 | Drop frame trailer A utility trailer has a frame which may be lowered to ground level at both the front and rear portions of the trailer to permit easy access and to facilitate loading and unloading of heavy vehicles or other items. The trailer frame is attached to a U-shap... | 03/07/1978 |
| 4058325 | Elevating trailer The disclosure relates to a suspension stabilizer mens for elevatable tandem axle trailers wherein the tandem axle wheels are mounted on adjacent bell crank arms and allow the body of the trailer to be moved up and down with forward and rearward force app... | 11/15/1977 |
