Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8066299 | Trailer hitching and tracking steering Improvements in a trailer hitching and tracking steering system are disclosed include a new style RV or wagon style RV that includes an extendable, variable position tow bar that accommodates misalignment of a tow vehicle. The tow bar can be rotated for storage with... | 11/29/2011 |
| 7690672 | Adjustable towing hitch assembly Receivers are attached to motor vehicles to tow a variety of objects such as trailers. Due to the variety of makes and models of motor vehicles, several different sized receivers are required to fit most motor vehicles. The present receiver, however, provides adjust... | 04/06/2010 |
| 7431321 | Trailer hitch assembly A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selec... | 10/07/2008 |
| 7413211 | Deactivation arrangement for a vehicle park assist system A deactivation arrangement for a vehicle park assist system is provided. The deactivation arrangement includes a trailer hitch receiver affixed to the vehicle and arranged to receive a trailer hitch. A switch assembly is provided that is associated with the vehicle ... | 08/19/2008 |
| 7322584 | Pedestrian trailer A pedestrian trailer is disclosed. The pedestrian trailer includes a trailer frame for supporting a load and at least one wheel which renders the trailer frame portable. A load-stabilizing towing belt may be worn by a pedestrian and removably engage the trailer fram... | 01/29/2008 |
| 7204506 | Retractable hitch system A hitch arrangement includes a hitch member, coupled to a towing vehicle. The hitch member is positionable in a stored position and in a deployed position and conforms to a contour of the rear end of the vehicle when in the stored position. ... | 04/17/2007 |
| 7185911 | Cart having a retractable tongue coupling system A cart for transporting objects is provided. The cart includes a base structure supported on a plurality of wheels. An elongated tongue is telescopically mounted to an underside of the base structure and is movable between an extended position, wherein the tongue ex... | 03/06/2007 |
| 7128331 | Locking trailer tongue extension assembly A trailer tongue extension assembly that includes a tubular trailer tongue, a removable extension, a first electrical connector disposed within the trailer tongue and a second electrical connector disposed within the removable extension. The first and second electri... | 10/31/2006 |
| 7100936 | Universal motor vehicle trailer hitch A trailer hitch (20) for attachment onto a motor vehicle for pulling a trailer. The hitch (20) consists of a pair of forward and aft mounting brackets (22 and 24) that are connected into existing holes in the vehicle's frame. Each mountin... | 09/05/2006 |
| 7090238 | Trailer hitch assembly and method A hitch assembly is provided to prevent trailer towing by unauthorized persons. The hitch assembly includes a hitch catch which can be removed from a modified tongue of a conventional trailer. When the hitch catch of the tongue is removed, a tongue lock can be secur... | 08/15/2006 |
| 7059626 | Storable sport trailer A utility trailer having a low profile storage configuration. The trailer includes a frame, wheels, mounting assemblies for the wheels, a removable tongue and a wiring system. Each mounting assembly includes a swing arm and a shock absorber that are joined by a hub ... | 06/13/2006 |
| 7040645 | Hitch receiver A trailer hitch assembly including a mounting frame including a tubular receiver readily attachable to a chassis of a towing vehicle and a hitch mount assembly detachably coupled to the tubular receiver for free 360° horizontal rotation therein. ... | 05/09/2006 |
| 7029022 | Pivoting, underslung, stowaway, receiver hitch An apparatus for mounting a hitch to a vehicle. The apparatus may include a base connected to the vehicle. A mount, having a fastening portion and a main portion, may also be included. The fastening portion may receive a plurality of hitches thereon. The main portio... | 04/18/2006 |
| 7021646 | Adjustable receiver hitch An adjustable receiver hitch (20) for receiving a hitch ball mounted, trailer ball mount that is attached onto the frame of a motor vehicle for pulling a trailer. A pair of frame mounting brackets (22) are configured for attachment onto the frame of th... | 04/04/2006 |
| 7017676 | Support assembly for a flexible line of an agricultural implement A support assembly is configured to carry a series of flexible lines associated with operation of an agricultural implement. The agricultural implement generally includes a main frame bar pivotal about a platform. The support assembly includes a mounting bracket, a ... | 03/28/2006 |
| 7004491 | Wedge tightening devices for hitch assemblies Several embodiments of hitch receiver attachment structures are provided, which are adapted for interconnection with a conventional vehicle hitch receiver. The hitch receiver attachment structures include mechanisms that reduce or eliminate undesirable play or movem... | 02/28/2006 |
| 7004488 | Self-aligning hitch assembly Apparatus and methods for hitching and unhitching of trailers or other towed devices are disclosed. The hitch assemblies may include alignment features to correct for errors in alignment of the hitch and trailer tongue during the hitching process. The hitch assembli... | 02/28/2006 |
| 6974146 | Adjustable hitch and method of use Provided is an adjustable trailer hitch assembly and method of use that permits one person to controllably move the hitch within a plane of defined boundaries. Trailer hitch assembly includes one or more longitudinally extending assemblies for mounting under a vehic... | 12/13/2005 |
| 6957826 | Pivotal trailer hitch A pivotal hitch assembly (14) connection to the draw bar (18) of a trailer includes a hitch housing (22) formed of a hollow tube having a greater breadth than the draw bar. The hitch housing receives the draw bar and is pivotally coupled to the ... | 10/25/2005 |
| 6951346 | Locking trailer tongue extension assembly A trailer tongue extension assembly that includes a tubular trailer tongue, a removable extension, a first electrical connector disposed within the trailer tongue and a second electrical connector disposed within the removable extension. The first and second electri... | 10/04/2005 |
| 6932004 | Hose constraint for planter apparatus An apparatus for use with an agricultural assembly including at least one rigid support member and a plurality of power cables that traverse along trajectories generally aligned with a cable trajectory adjacent a mounting segment on a mounting side of the support me... | 08/23/2005 |
| 6889994 | Trailer pulling apparatus A trailer pulling apparatus consisting of a quill having a bore and having an outer surface; a trailer mount fixedly attached to the outer surface of the quill; a tongue having forward and rearward ends, the tongue slidably extending through the bore of the quill; a... | 05/10/2005 |
| 6886968 | Hitch illumination apparatus A hitch illumination apparatus comprising a hitch body assembly, a hitch attachment assembly and a hitch illumination assembly. The hitch body assembly includes a base member and at least one arm member. The base member includes a first end and a second end. The at ... | 05/03/2005 |
| 6874807 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/05/2005 |
| 6871868 | Power hitch The improved power hitch of the present invention includes a first cylinder 10 has an extension 9 pivotably mounted at 54 on a transverse cylindrical pin 54 extending between vertical legs 50 and 51 to allow vertical movemen... | 03/29/2005 |
| 6758485 | Retractable hitch A trailer hitch assembly for a vehicle includes a generally tubular receiver configured for attachment to the vehicle, and having a central aperture formed by walls of the receiver. The receiver has a rearward end. A hitch member is slidably received within the cent... | 07/06/2004 |
| 6739612 | Offset arm for towing rotary mowers and the like An offset tow arm apparatus for towing an implement supported by at least one wheel having a rotational axis perpendicular to the operating travel direction comprises a tow arm having an inner end and an outer end. A pivot arm has a rear end pivotally attached to an... | 05/25/2004 |
| 6663134 | Planter hitch apparatus An apparatus for securing an agricultural implement to a hitch receiving member of a vehicle including at least first, second and third tongue members where each tongue member forms a passageway and the members are arranged in a telescoping fashion where ... | 12/16/2003 |
| 6644680 | Trailer alignment apparatus A trailer hitch alignment apparatus designed to be used with an existing trailer hitch that includes a hollow frame tube mounted transversely on the rear of a towing vehicle. The apparatus includes a first leg member that slides into an end opening on the... | 11/11/2003 |
| 6609575 | Adjustable link assembly An adjustable link assembly is provided that includes a first and a second rod each threadably engaging a bore of a body portion. A locking mechanism is slidably disposed about generally the entire length of the body portion. Locking mechanism includes an... | 08/26/2003 |
| 6592139 | Trailer 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 |
| 6561535 | Hose control for planter apparatus An apparatus for linking first and second power ports on a variable length tongue assembly where the distance between the ports varies as a function of the degree to which the tongue assembly is extended, the apparatus including a receiver member that def... | 05/13/2003 |
| 6435766 | Method and apparatus for ground working A method and apparatus for ground working. A first step involves providing an apparatus for ground working with telescopically extendible wheel supports which permit the height and angular orientation of the chassis to be adjusted to suit a contour of a d... | 08/20/2002 |
| 6428030 | Self-centering trailer hitch A self-centering trailer hitch includes first and second telescopic arms, each of the telescopic arms having first and second opposite ends. The first ends of the telescopic arms are pivotally mounted to a hitch hood coupler for coupling the first ends of... | 08/06/2002 |
| 6402178 | Motor vehicle trailer coupling A trailer coupling for motor vehicles has a bar, a ball provided on the bar, the bar being automatically adjustable between an idle position and an operating position, and an adjusting drive including an electric motor which automatically adjust the bar b... | 06/11/2002 |
| 6375211 | Trailer hitch with surge braking/dampening apparatus A trailer is equipped with a surge braking system having a braking/dampening unit 70 that is integrated with a common reservoir 71 that supplies brake fluid to both the master brake cylinder 72 and the dampener cylinder 75, so that if the master cylinder ... | 04/23/2002 |
| 6352278 | Tow bar assembly A coupling for coupling first and second members. The members define an opening for extended and circular counterparts. The counterparts turn on the members and each other while the members contact the counterparts to urge them together. The counterparts,... | 03/05/2002 |
| 6341795 | Trailer hitch coupling device A trailer hitch coupling device for altering the angle of the tongue of the trailer hitch with respect to the vehicle. The trailer hitch coupling device includes a rod. The rod is elongate and has a first end and a second end. The rod has a front side, a ... | 01/29/2002 |
| 6189910 | Retractable trailer hitch A trailer hitch includes a cylindrical receiver perpendicularly mounted on a horizontal laterally extending tube attached to a vehicle. The receiver carries a slider movable between a first, retracted position substantially entirely disposed beneath the v... | 02/20/2001 |
| 6170852 | Trailer hitch assembly A trailer hitch assembly for allowing a user to simultaneously extend and pivot the distal end of the trailer hitch to position the hitch ball in a desired position. The inventive device includes a support frame attachable to a vehicle, a telescoping stru... | 01/09/2001 |
