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Document |
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7878525 |
Fifth wheel hitch system
A precision, light weight, high strength hitch for coupling a trailer or other vehicle to a towing vehicle. The hitch includes a mounting ball attached to a portion of the trailer or other vehicle...
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7766361 |
Rotating fifth wheel hitch kingpin assembly
A kingpin assembly comprises a housing having a recess located therein, a collar member operably coupled to the housing, and an integral single-piece kingpin having at least a portion located...
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7753391 |
Torsionally-biased, shock-absorbing fifth wheel hitch
A torsionally-biased, shock-absorbing fifth wheel hitch includes a first mounting mechanism removably and non-rotatably mounting a lower frame portion thereof to the bed of a towing vehicle; an...
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7552937 |
Shock-absorbing adapter for connecting fifth wheel or gooseneck trailer to towing vehicle
A shock-absorbing adapter for connecting a fifth wheel or gooseneck trailer to a towing vehicle including a lower plate, an upper plate, first and second guide means, cushioning means, a first...
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6986524 |
Fifth wheel pin box assembly
A fifth wheel pin box assembly for towing a trailer behind a towing vehicle including a column, a top member secured to the column, a rubber shear spring, a first plate on the rubber shear spring...
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6729635 |
Fifth wheel
A fifth wheel coupling comprising essentially a fifth wheel plate and a pair of pillow blocks for the attachment on the frame of a truck tractor. The fifth wheel plate pivots around an axis in...
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6644678 |
Mounting/bearing device for a fifth wheel having a stirrup-shaped bearing pedestal and a bridge
The articulating function of a mounting/bearing for fifth wheels is realized by utilizing a bolted connection or by using rubber elements as a displacement coupling. The object of the current...
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6581951 |
Motion-dampening fifth-wheel hitch
The invention involves a connector apparatus for attaching a trailer to a towing vehicle. The invention has a base structure with a kingpin-receiving plate attached with respect to the top of the...
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6244613 |
Self-propelled agricultural machine
An articulated self-propelled agricultural machine, in particular, a forage harvester, whose group of rear axles comprise two frame parts having regions thereof arranged one above the other and the...
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5882028 |
Shock absorptive support structure
A shock absorptive support structure in a coupler, improved in both economical efficiency and in practical usefulness, so that a shock due to relative displacement between a top plate and support...
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5509682 |
Fifth wheel hitch assembly
A fifth wheel hitch includes a frame for mounting to a towing vehicle and a head assembly for engaging a trailer to be towed. The head assembly is mounted for pivotal movement relative to the frame...
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5328198 |
Fluid and tension band-operated hitch adaptor
A fluid and tension band-operated hitch adapter mounted in the bed of a pickup truck or similar towing vehicle for cushioning the fifth wheel, receiving pin or ball coupling element and dampening...
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4892324 |
Fifth wheel mounting pad
An improved fifth wheel structure for over the road tractors wherein a resilient elastomer pad placed between a fifth wheel pocket surface and a bearing surface includes non-extrudable end members...
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4457531 |
Trailer coupling
A trailer coupling is provided with a sliding plate and a coupling plate having an anti-friction layer, preferably of a PTFE composite material. To make it possible that in operation the...
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4447070 |
Fifth wheel
A fifth wheel provided on a tractor and adapted to be connected to a king pin fixed to a trailer. The fifth wheel comprises a base plate provided with a slot for receiving the king pin, a...
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4394030 |
King pin connecting mechanism
A connecting mechanism for connecting a king pin fixed to a trailer to a fifth wheel mounted on a tractor. The connecting mechanism has a box structure in which major parts for connecting the king...
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3893712 |
Hitch for fifth wheel travel trailer
In a hitch for a fifth wheel travel trailer, a box frame depends from the front end of the frame of the travel trailer. A tube extends through the box frame and receives a rod which supports a...
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3884503 |
Device for the interconnection of pulling vehicles and semitrailer
Improvement in coupling a semi-trailer to a haulage vehicle said trailer having a plurality of wheel axles arranged one after the other extending over a substantial part of the length of the...
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3774942 |
ROCKING BOLSTER
A rocking bolster includes a first box frame which is fixedly supported in the front end of a semitrailer and a second box frame which is supported in the first box frame for pivotal movement about...
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3774940 |
TRAILER ASSEMBLY
The trailer assembly, pulled by a conventional tractor, includes a front trailer having an extended frame or frame extension on the existing frame, with the extended frame extending rearwardly and...
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3752502 |
PULL TRAILER AND LOAD LIFT MEANS
A load supporting and lifting means for a pallet load carrying tractor-trailer assembly. The load bearing plates are supported at the upper ends of an inflatable air bag with a lower end of the bag...
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3675946 |
IMPACT FIFTH WHEEL
A fifth wheel assembly for trucks wherein the fifth wheel is pivotally supported on a pair of laterally spaced mounts, each having an enclosure with an open bottom and sloping front and rear...
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3633941 |
REPLACEABLE SHOCK-MOUNTED KINGPIN INSTALLATION
A kingpin which is replaceable and provides shock attenuation in a vertic longitudinal and transverse direction especially for transverse direction especially for semitrailers carrying sensitive...
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3580609 |
FIFTH WHEEL WITH LOAD-TRANSFERRING DEVICE
A fifth wheel for connecting tractors and trailers consisting of a pivoted coupling member having on the forward end thereof a hinged member supported by a pair of inflatable air bags seated on the...
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3525539 |
PULL YOKE ASSEMBLY FOR ARTICULATED VEHICLE
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3525538 |
FIFTH WHEEL
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3486768 |
FIFTH WHEEL DOLLY WITH AIR SUSPENSION
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3472527 |
MEANS FOR MOUNTING A LOAD CARRIER ON A VEHICLE
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3439935 |
FIFTH WHEEL TRACTOR
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3399907 |
Elastomeric energy absorber
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3352571 |
Fifth wheel connector
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3347563 |
Fifth-wheel elevating and level controlling air jack for semi-trailer dollies
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3253840 |
Pneumatic lift system for a tractortrailer hitch
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3227470 |
Tractor-trailer load transferring device
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3214188 |
Device for selectively deactivating a tractor pneumatic suspension
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3208770 |
Fifth wheel pneumatic suspension system
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3137515 |
Fifth wheel structure
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3136566 |
Tractor semitrailer load distributor device
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3095987 |
Piggy-back transportation system
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3037793 |
Pneumatic suspension for trailer fifth wheels
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2999681 |
Spring bellows for air spring systems
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2996312 |
Fifth wheel weight distributor
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2941818 |
Load adjusting device for trailers
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2934358 |
Tractor-trailer fifth wheel coupler
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2923560 |
Adjustable kingpin for upper rocking fifth wheel
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2920905 |
Vehicle load suspension for fifthwheel type hitch
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2880681 |
Shock absorbing support
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2859978 |
Shock assembly for vehicle suspensions
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2856203 |
Fifth wheel bracket
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2838326 |
Semitrailer coupling-pin locking mechanism
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