U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."

Scientific American ; Jan. 2 edition, 1909

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 414/485 - About axis of wheels of vehicle having two wheels, and relative to tow-engaging end of vehicle


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the vehicle has two laterally spaced wheels
No. of patents: 53
Last issue date: 10/21/2008


1    
NumberTitleIssue Date
7438516Trailer
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. Ther...
10/21/2008
7354056Trailer stability control apparatus
A trailer stability control apparatus for a vehicle and a trailer includes a trailer hitch assembly interconnecting a rear end of the vehicle and a front end of the trailer. The trailer stability control apparatus also includes at least one controllable damper conne...
04/08/2008
7303368Trailer for walk greensmower
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 re...
12/04/2007
7156608Tiltable hand truck
The present invention provides an improved hand truck having a tiltable platform for carrying heavy objects, which is safe to use and easily maneuverable, and requires the minimum amount of energy required for movement of heavy objects. The present invention provide...
01/02/2007
7025556Agricultural transfer table
An agricultural transfer table enables rapid transfer of harvested agricultural material from a dump truck to a silo or the like. The agricultural transfer table comprises a box with an open front end. Apron chains in the box propel the material to the box back end,...
04/11/2006
6935656Combination hitch-mountable utility cart
A receiver hitch-mountable utility cart has a support frame for supporting a payload, a hitch arm rigidly attached to the support frame, the hitch arm shaped to engage a receiver hitch bar of an over-the-road vehicle, a wheelbase assembly with wheels for transportin...
08/30/2005
6840543Trailer
There is provided a trailer (65) having a trailer frame (68) supported by ground engaging wheels (84). A pivot frame (69) is pivotally attached to the trailer frame (68) by pivot attachment means (72). The pivot frame (69...
01/11/2005
6840730Bale moving apparatus
A bale moving apparatus provides a generally horizontal tow frame with a linear support axle supported by a pair of opposing wheels. A tow bar provides a tow strut, a rest bar, and a winch. A bale support is pivotally joined to, and extends upwardly from the support...
01/11/2005
6695564Trailer for greens mowers and the like
A self-loading cart for a greens mower including a wheel-supported mobile frame with a tilting bed pivotally mounted to the frame for movement between a rearwardly and downwardly inclined loading position and an upwardly pivoted substantially horizontal l...
02/24/2004
6688834Self-contained hydraulic power unit
A self-contained hydraulic power unit is described for powering a hydraulic actuator such as a hydraulic cylinder or a hydraulic motor positioned on a grain trailer or the like. A battery operated hydraulic pump pressurizes a hydraulic accumulator so that...
02/10/2004
6592139Trailer with selective elevating and lowering feature
A wheeled transport vehicle includes a frame with two slidably interconnected frame members. A tongue projects from one of the members and is operable to move one of the frame members between extended and retracted positions. Wheel mounting members are pi...
07/15/2003
6527494Trailer having tilt and dump functions
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 t...
03/04/2003
6520521Tilting trailer suspension
A tilting trailer suspension which has forwardly disposed, independent swingarms pivotally attached to a trailer main platform and a second u-shaped perimeter frame attached to the rear portion of the swingarms and extending over the swingarms converging ...
02/18/2003
6179544Underride protection
An improved automatic underride protection actuator for a trailer, the trailer being translatable over a ground surface, includes a rotatable ramp that is shiftable between a ground engaging load/unload disposition when the tiltable bed is in the load/unl...
01/30/2001
6113338Rear loading trailer and method of use
A rear loading trailer includes a rearward end lowering mechanism to eliminate or reduce unnecessary weighting of the rear wheels and axle during loading or unloading of heavy equipment such as mining earth movers, shovels and the like. The lowering mecha...
09/05/2000
6053691Automatic underride protection for tilt trailers
An automatic underride protection actuator for a trailer, where the trailer has a forward end and an opposed rearward end and has a tiltable bed supported by a trailer frame, the tiltable bed being tiltable with respect to the trailer frame between a tran...
04/25/2000
5975828Trailer tilt system
A suspension system for wheeled vehicles which allows the body or frame of a vehicle, such as a trailer, to be lowered or tilted. The suspension system includes an off-set axle which, when rotated, adjusts the clearance beneath the wheeled vehicle so that...
11/02/1999
5795115Apparatus for on-loading and/or off-loading a vehicle on a vehicle carrier and releaseably latching the vehicle thereto
A system for latching a vehicle to a flatbed carrier including: at least one latch assembly mounted on the carrier outboard of respective ones of at least one of the vehicle's wheels; each latch assembly including a box-like bracket having longitudinally ...
08/18/1998
5738379Trailer frame member
An improved trailer structure constructed of light-weight material and especially adapted for hauling snowmobiles is described. An improved tongue structure, having a pair of opposed channels extending longitudinally, is shown arranged to cooperate with a...
04/14/1998
5540538Snowmobile trailer system
A trailer for carrying power driven equipment which can be driven onto or off from either side or the rear thereof is disclosed. The trailer comprises a drawbar having a trailer hitch for coupling to a vehicle that tows the trailer, a second coupling devi...
07/30/1996
5387070Coupling system for motorized vehicles
The present invention provides a coupling device which, when mounted to a transport, serves to catch and immobilize a moving vehicle equipped with a coupling unit. The coupling device may be mounted onto a snowmobile trailer and includes a coupling system...
02/07/1995
5354165Frameless container transport dump trailer
A dump trailer for the transportation of containers including a frameless trailer frame to receive and hold a rail transportable container for overland transport. A support system engageable on a fifth wheel of a tractor having a telescopically extensible...
10/11/1994
5259720Rotary and tilt snowmobile trailer apparatus
A trailer is arranged to have a rigid trailer frame, including radial rods projecting medially of the trailer frame, with the radial rods having rod rollers equally spaced relative to a cylindrical support collar. The cylindrical support collar rotatably ...
11/09/1993
5228712Collapsible motorcycle trailer
A fully collapsible ramp trailer is disclosed which is provided with an adjustable axle for balancing the weight of a vehicle-towed motorcycle for optimum transport. In the assembled disposition, the ramp unfolds into three rigidly coupled sections with a...
07/20/1993
5165836Round bale hauler
An apparatus for lifting and transporting one or more large bales of material, comprising a trailer to be towed by a towing device and hydraulically powered by an outside source, preferably incorporated in the towing vehicle. The apparatus has tines adapt...
11/24/1992
5090718Multi-function towing trailer
A towing carriage includes a double H shaped frame having a longitudinal axis and a pair of parallel tubular members transverse to the longitudinal axis. A pair of angle irons are affixed longitudinally between the tubular members. An axle assembly is sup...
02/25/1992
5039271Apparatus for handling trash
Trash handling apparatus that includes a hopper mounted to tilt to a dump position off a trailer, a friction wheel to engage a wheel of the trailer and to be turned by forward movement of the trailer, reeling in a cable of a drum system so as to tilt the ...
08/13/1991
5016897Multi-function towing trailer
A towing carriage includes a double H shaped frame having a longitudinal axis and a pair of parallel tubular members transverse to the longitudinal axis. A pair of angle irons are affixed longitudinally between the tubular members. An axle assembly is sup...
05/21/1991
4968210Vehicle carrier
A vehicle carrier which may be used to transport compact automobiles behind motorhomes or other suitable towing vehicles and consists of two primary substructures, a main frame and a trailer bed. The automobile which is to be transported can be loaded on ...
11/06/1990
4813841Vehicle carrier
A vehicle carrier features a tiltable vehicle bed which, when a vehicle is driven rearwardly on the bed, both tilts upwardly at its front end and slides rearwardly to the ground so that the vehicle can be unloaded, the bed thereby making a less abrupt ang...
03/21/1989
4735545Boat cradle
A boat cradle for supporting boats, comprising a frame supported on legs and carrying support arms of adjustable length that extend upwards from said frame. According to the invention, the frame is supported on three leg structures....
04/05/1988
4666359Towable dolly
A towable dolly comprises a platform for supporting an object either alone or on a standard dolly, a wheel assembly pivotally secured to the forward end of the platform, and a lifting or tilting assembly for tilting the platform upwardly at its rear end r...
05/19/1987
4639043Self-dumping trailer
A trailer designed to be towed behind a vehicle with a frame that is slidably attached to the trailer body. Inclined ramps are formed on the members of the frame such that when the frame slides rearward relative to the trailer, rollers on the underside of...
01/27/1987
4394105Tipping trailer
This invention provides a tipping trailer where the trailer frame is pivotably connected to a hopper for the trailer. Upon release of a lock the hopper may tilt on its pivot with the frame such that a portion thereof makes contact with the surface below a...
07/19/1983
4348143Large round hay bale mover
A large round hay bale trailer having a fork lift cradle pivotally mounted on a two wheel trailer frame, the cradle being formed by pipe having 90° vertical and horizontal bends to provide fork, back support and horizontal connecting elements. Laterally ...
09/07/1982
4326827Hay bale handling apparatus
An apparatus for retrieving and carrying large cylindrical objects and adapted to be secured behind a towing vehicle, the apparatus comprising an A-frame having a wheel supported cradle assembly pivotally secured to one end thereof, a pivotal bail member ...
04/27/1982
4317593High lift dump trailer
A high lift dump box trailer for lifting, transporting and dumping a load of material at a high elevation. The trailer includes a pair of retractable members that stabilize the trailer to permit dumping of the contents of the dump box when the dump box is...
03/02/1982
4295772Hay bale stacker
A tiltable device for forming weather-proof stacks of hay bales which in the preferred embodiment contains thirty bales per stack comprising a tiltable bed of generally "L" shaped cross-section carried on an axle and adapted to be towed behind a hay baler...
10/20/1981
4260315Elevatable bed vehicle
A front wheel drive vehicle having a bed supported by the rear wheels of the vehicle by a pair of jacks. The jacks cause lowering of the bed rear end to rest on the road surface for embarkation of a disabled vehicle on the bed....
04/07/1981
4222698Trailer assembly for snowmobiles
A trailer assembly for transporting snowmobiles. The trailer assembly includes a movable frame, preferably supported on wheels, a first snowmobile support portion mounted on the frame, and a second snowmobile support portion mounted on the frame in cooper...
09/16/1980
1    
 
Sign InRegister
Username  
Password   
forgot password?