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| Number | Title | Issue Date |
| 8025302 | Trailer slider locking system A trailer slider locking system includes body rails longitudinally slidable relative to a suspension frame side rail. The body rails have holes providing multiple suspension positions. A pin locking system includes a pin moveable between retracted and locked positio... | 09/27/2011 |
| 7896373 | Locking pin locating device A trailer-locking pin locating device comprising an elongated body having a first end, a second end, a crossbar located proximal the first end of the elongated body with the crossbar slidably supported by elongated body and positioned at an angle to the elongated bo... | 03/01/2011 |
| 7802803 | Trailer slider locking system A trailer slider locking system includes body rails longitudinally slidable relative to a suspension frame side rail. The body rails have holes providing multiple suspension positions. A pin locking system includes a pin moveable between retracted and locked positio... | 09/28/2010 |
| 7740258 | Air cylinder pull handle release A trailer slider assembly includes a handle that moves a trailer slider locking mechanism between an unlocked position and a locked position. A suspension side rail has a retaining feature that holds the handle in the unlocked position. A release mechanism releases ... | 06/22/2010 |
| 7726675 | Converted high mobility vehicle and conversion method therefor Method is provided for after market conversion of a 4×4 vehicle produced by a manufacturer into a high mobility vehicle having increased maneuverability and on-road and/or off-road capability, relative to the 4×4 vehicle. The 4×4 vehicle has a chassis with a fram... | 06/01/2010 |
| 7690664 | Pneumatic slider suspension locking pin system A trailer slider system includes a body rail that slides longitudinally relative to a suspension frame side rail. One of the rails includes holes that provide multiple suspension positions. The trailer slider system also includes a pin connection assembly having a p... | 04/06/2010 |
| 7604248 | Sliding suspension locking pin system A sliding suspension includes a plurality of locking pins that are selectively moved between extended and retracted positions to allow adjustment of the sliding suspension relative to a trailer frame structure. A lever is fixed to a tube that is supported by a cross... | 10/20/2009 |
| 7549660 | Frame or subframe for tractor-trailers A frame or subframe for a tractor-trailer for supporting one or more axle/suspension systems includes a pair of spaced-apart, parallel, elongated, and longitudinally extending main members. At least one cross member structure extends between and is connected to the ... | 06/23/2009 |
| 7416233 | Tandem axle trailer pin extracter apparatus A tandem axle trailer pin extracter apparatus is provided. The extracter apparatus is adapted and configured for extracting or pulling the tandem lock pin release handle when it is desired to adjust the position of a tractor trailer body relative to the tandem axles... | 08/26/2008 |
| 7410183 | Weight redistribution in freight trucks The present invention provides a weight redistribution system including an axle carrier slideably engaged along a length of a trailer frame, wherein the axle carrier including a threaded fixture and the trailer frame includes parallel longitudinal beams having a plu... | 08/12/2008 |
| 7404466 | Locking pin locator A compact, portable locking pin locator device adapted to assist the driver of a semi truck including a tractor and a trailer to locate the trailer over the tandem axle under the back end of the trailer to achieve proper weight and balance of the load carried in the... | 07/29/2008 |
| 7360342 | Anchor wedge for post tension anchor system and anchor system made therewith A wedge for an anchor system is disclosed. One embodiment of the wedge includes at least two circumferential wedge segments. Each segment defines an exterior tapered surface and an interior surface. The interior surface has gripping elements thereon. The gripping el... | 04/22/2008 |
| 7357284 | Tubular self-retracting device The tubular self-retracting device (2) has an elongated tubular element (6) having an open end, a cord (8) extending through the open end and fitting in the tubular element (6), a clipping element (10) attached to the cord (8 | 04/15/2008 |
| 7325822 | Trailer tandem release handle tool This invention is a multi-functional tool designed to stop injury, save time, and minimize aggravation to truck drivers when sliding trailer tandems and or releasing fifth wheel devices The device can be used as an extension handle facilitating the safe manual pulli... | 02/05/2008 |
| 7303200 | Hanger-free movable subframe for tractor-trailers A movable subframe or slider box for tractor-trailers includes a pair of elongated, longitudinally-extending, spaced-apart, parallel main members, and a plurality of cross members which extend between and are attached to the main members to form a rigid slider box s... | 12/04/2007 |
| 7261177 | Pneumatic locking pin operating system for a trailer slider A locking pin system is operated through an air spring which rotates a torque tube to remove a spring bias from a multiple of locking pins. Operation of the locking pin system is controlled by a trailer spring brake valve which operates in response to actuation of t... | 08/28/2007 |
| 7255370 | Vehicle chassis having a locking device for securing connection between first and second chassis members A vehicle chassis includes first and second chassis members, and a locking device. Each of the first and second chassis members includes a connector formed with a hole unit therethrough. The locking device includes a locking pin that extends through the hole units i... | 08/14/2007 |
| 7224088 | Mower responsive to backup sensor An interlock circuit on a mowing vehicle or tractor deactivates the engine if a signal from a single backup sensor is interrupted. The mowing vehicle or tractor has an engine, an electric power source to provide electric current to a magneto and an ignition, a trans... | 05/29/2007 |
| 7207599 | Cross shaft for semitrailer landing gear A landing gear having a telescopic cross shaft extending between the cylindrical stub shafts protruding from both screw jacks thereof. The telescopic cross shaft is made of square structural tubing. The telescopic cross shaft has a pair of end-casing members and a c... | 04/24/2007 |
| 7207593 | Lightweight reinforced tractor-trailer slider A tractor-trailer slider includes spaced apart longitudinal side rails having control arm supports extending downwardly from the side rails for supporting the slider. Portions of the longitudinal side rails and the control arms supports are integrated using one or m... | 04/24/2007 |
| 7198298 | Movable subframe for semi-trailers A movable subframe or slider for semi-trailers includes a pair of spaced-apart, parallel and longitudinally extending main members. The main members are interconnected by a pair of longitudinally spaced, parallel and transversely extending horizontal cross members, ... | 04/03/2007 |
| 7185580 | Fluid-actuated contraction drive and associated contraction tube A fluid power contractile drive comprising a contractile hose (2), which on fluid actuation of an actuation space (7) delimited by it undergoes longitudinal contraction and which at its two terminal regions (5 and 6) is adapted to be, or ... | 03/06/2007 |
| 7171289 | Trailer tandem adjustment indication apparatus An alignment indication apparatus is provided that indicates whether a selected position of a first portion of a trailer is aligned with a selected position of a second portion of the trailer. The first and second portions are adjustably moveable relative to one ano... | 01/30/2007 |
| 7163220 | Slider mechanism for a vehicle A slider assembly provides a connection between a vehicle body and a vehicle suspension. The slider assembly includes a frame and a locking mechanism attached to the frame. The locking mechanism s a locking pin that is connected to an extension spring, a pivot arm t... | 01/16/2007 |
| 7156422 | Undercarriage for a vehicle and method for manufacturing longitudinal beams for it An undercarriage for a vehicle including at least two longitudinal beams, at least one transverse beam and at least one wheel axle. The height of the foremost part of the longitudinal beams has a reduction in height that defines a swan-neck. The longitudinal beams a... | 01/02/2007 |
| 7097192 | Trailer slider locking pin interlock with parking brake A slider locking pin control receives feedback of the actual position of the locking pins. If the locking pins are not engaged in the trailer frame rails, then the interlock valve will vent air to release a parking brake. Once the locking pins are engaged, the inter... | 08/29/2006 |
| 7044250 | Detachable suspension mounting A detachable suspension mounting includes a pair of plates each having an upper surface and a lower surface. The upper surface of a first of the plates is fixedly coupled to a bottom side of the trailer. A plurality of securing members selectively secures a second p... | 05/16/2006 |
| 7036852 | System for operating the rod of a glove box A system for operating a rod of a glove box employs a rack and pinion gear to operate the rod for functioning as a locking device of a glove box. The number of parts for operating the rod of the glove box is decreased in comparison with the prior art, and assembling... | 05/02/2006 |
| 7021665 | Mud flap saver apparatus A box for handling materials with a vehicle and a mud flap lifter apparatus positioned in it includes a box, generally indicated at having front and rear corners and front, rear and side walls, and a sleeve extending between the top and bottom of the adjacent side-w... | 04/04/2006 |
| 6957822 | Tractor unit/trailer combination for suspended transport of equipment A tractor unit/trailer combination which is capable of carrying out suspended transport of a heavy duty piece of equipment, with the equipment being coupled at its forward end to the tractor unit and at its rear end to the trailer, and in such a way that the equipme... | 10/25/2005 |
| 6938514 | Connector assembly for mounting an implement to a prime mover A connector assembly for attaching an implement to a prime mover having spaced connecting pins, the connector assembly including a pair of spaced plates, each of the plates carrying a first receiver to receive a first of the connecting pins and a second receiver ada... | 09/06/2005 |
| 6932388 | Trailer frame A bolt-together trailer frame that can have either a torsion axle or a sprung axle attached thereto without modification of the trailer frame side members. The side frame of the trailer includes at least one axle cut-out with an axle cut-out reinforcement plate atta... | 08/23/2005 |
| 6921100 | Axle weight distribution system The present invention relates to a system for adjusting weight distribution throughout all axle groups of the truck and trailer. The trailer has at least one axle group mounted on a pair of rails attached to the frame of the trailer. These axle groups are locked in ... | 07/26/2005 |
| 6857176 | Tandem wheel unlocking assist device A device for assisting in the release of a tandem wheel locking pin from a locking rail of a semi-trailer is disclosed. In a basic embodiment, the device consists of a gripping plate which engages the locking pin release rod of the tandem unit, a helical spring, and... | 02/22/2005 |
| 6802518 | Wheelchair access system A wheelchair access system includes a wheelchair having a frame, rear wheels, front wheels, a seat, and a backrest. An extension extending rearwardly of the wheelchair frame includes a bracket coupled to an adjacent rear wheel, which allows the rear wheel to be move... | 10/12/2004 |
| 6793233 | Trailer slider pin control system A trailer slider pin control system is provided including a vehicle body and a rail supported along the body. The rails are moveable between a plurality of positions defined by a plurality of holes in the rail. A pin assembly is supported on the vehicle body and inc... | 09/21/2004 |
| 6719315 | Trailer suspension slider energy absorbing device A trailer suspension slider is provided that includes a suspension bogey. A trailer is supported on the suspension bogey and is longitudinally movable between a plurality of position relative to the suspension bogey. The trailer includes a stop bar to prevent the bo... | 04/13/2004 |
| 6708995 | Utility cart A utility cart which includes means for attachment to a common bicycle or which can be drawn by hand. Includes a main body compartment formed from a bottom panel, two side panels and a front and a back panel. Two wheels are attached to an axle which is attached to t... | 03/23/2004 |
| 6702310 | Tandem handle lock-out tool A tandem handle lock-out tool for use with a tractor trailer having a first arm and a second arm disposed at about 90 degrees thereto. A first arm may have an aperture for positioning the tool over a tandem handle. The tandem handle lock-out tool may be s... | 03/09/2004 |
| 6641157 | Method for securing slider to trailer A system for connecting a slider to a trailer frame includes a rotatable locking member having a plurality of teeth that engage with a plurality of openings in the trailer from. The locking member is biased by a rotary biasing in a locked position.... | 11/04/2003 |
