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 |
| 7168727 | Invertible gooseneck trailer hitch mechanism An invertible gooseneck trailer hitch mechanism is provided. A frame supports a housing having an opening therein for receiving a hitch member in an upright use position or in inverted storage position. A base portion of the hitch member has a circumscribing groove ... | 01/30/2007 |
| 7152870 | Gooseneck trailer hitch A trailer hitch having an assembly housing that is mounted to the bed of a vehicle, the assembly housing receiving a ball hitch that extends out of the top of the assembly housing, and a torsion bar disposed within the assembly housing to dampen the vibration of the... | 12/26/2006 |
| 7011327 | Displaceable ball hitch assembly A method and apparatus for providing a displaceable ball hitch assembly configured to be mounted in a bed of a truck. The displaceable ball hitch assembly includes a platform track, a displaceable platform, a gate member and a driving mechanism. The platform track d... | 03/14/2006 |
| 6971660 | Kingpin adaptor system A kingpin adaptor system which enables a fifth wheel trailer to be connected to a towing vehicle having an upside down kingpin. The kingpin adaptor system includes an inverted fifth wheel head assembly and a kingpin adaptor. The kingpin of the fifth wheel trailer is... | 12/06/2005 |
| 6969090 | System for mounting hitches to hydroformed frames A hitch structure for connection between a pair of elongated, laterally spaced hydroformed frame members of a vehicle chassis having preformed apertures formed therein. The hitch structure comprises a hitch base adapted to receive a hitch ball member, a pair of side... | 11/29/2005 |
| 6851695 | Base rail kit for motor vehicle The present invention relates to a base rail kit for a motor vehicle. The base rail kit includes a base rail including first and second mounting flanges, a first bracket including a first base rail support platform and a first mounting lug, a second bracket includin... | 02/08/2005 |
| 6824157 | Telescoping tower hitch assembly An adjustable hitch assembly for mounting in the bed of a truck. The hitch assembly includes a mounting assembly for removably securing the hitch assembly in the bed of the truck. The mounting assembly has end rails and side rails with a mounting sleeve mounted betw... | 11/30/2004 |
| 6726179 | Fifth wheel helper A fifth wheel helper is adapted to be inserted underneath a fifth wheel hitch plate to hold it in a horizontal position so that the truck can be pulled forward after the king pin of the trailer has been trapped behind the fifth wheel. The fifth wheel helper comprise... | 04/27/2004 |
| 6631917 | Trailer hitch support body Bodies for hook lift shuttles and other roll-off loaders are fitted with trailer towing hitches, such as fifth wheels and hitch balls, so that when one of these bodies is loaded onto a shuttle or loader, the shuttle or loader can be used temporarily as a ... | 10/14/2003 |
| 6557883 | Glider fifth wheel attachment A glider fifth wheel attachment assembly includes a support frame including a pair of spaced guide rails and a pair of upright assemblies attached to the guide rails. Each upright assembly includes a lower sleeve portion for receiving a respective guide r... | 05/06/2003 |
| 6533308 | Fail safe retractable hitch A retractable hitch is adapted to be mounted to a vehicle, such as in the bed of a pickup truck. The hitch includes a ball piece for releasable engagement with a coupling mechanism secured to a trailer as known in the art. The hitch has a frame secured to... | 03/18/2003 |
| 6502846 | Under-bed fifth wheel mounting system An under-bed mounting system installed beneath a cargo bed floor of a vehicle includes both a male pin and a female receptacle. A releasable locking mechanism is defined between the pin and the receptacle to permit installation and removal of desired comp... | 01/07/2003 |
| 6485045 | Combination fifth wheel and gooseneck hitch A combination hitch for allowing a towed vehicle to be fastened to a tow vehicle. The combination hitch includes a base for being attached to the bed of the tow vehicle, the base including a ball hitch member located substantially over the centerline of t... | 11/26/2002 |
| 6467791 | Under-bed fifth wheel mounting system An under-bed mounting system installed beneath a cargo bed floor of a vehicle includes both a male pin and a female receptacle. A releasable locking mechanism is defined between the pin and the receptacle to permit installation and removal of desired comp... | 10/22/2002 |
| 6467793 | Gooseneck coupler A coupling device (10) for allowing a user to connect a trailer (104) having a gooseneck assembly to a hitch ball (102) of a towing vehicle (106). The coupling device includes a housing (12), jaws (24 and 26) and a locking mechanism (32). The jaws are piv... | 10/22/2002 |
| 6431577 | Trailer hitch support body Bodies for hook lift shuttles and other roll-off loaders are fitted with trailer towing hitches, such as fifth wheels and hitch balls, so that when one of these bodies is loaded onto a shuttle or loader, the shuttle or loader can be used temporarily as a ... | 08/13/2002 |
| 6398250 | Trailer hitch An extension coupling for releasably interconnecting a trailer to a fifth wheel tow hitch. This extension coupling includes a mount that is secured to the trailer, and an elongated arm that is pivotally secured to the mount and one end. A universal joint ... | 06/04/2002 |
| 6386570 | Glider fifth wheel attachment A glider fifth wheel attachment assembly includes a support frame including a pair of spaced guide rails and a pair of upright assemblies attached to the guide rails. Each upright assembly includes a lower sleeve portion for receiving a respective guide r... | 05/14/2002 |
| 6357777 | Automatic glider fifth wheel attachment A glider fifth wheel automatic adjustment assembly includes a support frame including a pair of spaced guide rails and a pair of upright assemblies attached to the guide rails. Each upright assembly includes a lower sleeve portion for receiving a respecti... | 03/19/2002 |
| 6308977 | Sliding hitch for fifth wheel trailers A hitch for coupling a trailer to a towing vehicle includes a first hitch member on the trailer and a second hitch member on the towing vehicle. The hitch member on the towing vehicle is mounted on a sliding mount extending across the rear axle of the veh... | 10/30/2001 |
| 6247720 | Glider fifth wheel attachment A glider fifth wheel attachment assembly includes a support frame including a pair of spaced guide rails and a pair of upright assemblies attached to the guide rails. Each upright assembly includes a lower sleeve portion for receiving a respective guide r... | 06/19/2001 |
| 6213492 | Underlift T-bar support accessory A removable underlift T-bar support accessory for tow trucks with underlift T-bars for lifting and towing a fifth wheel trailer or a goose neck trailer. The underlift T-bar comprises a boom connected to a crossbar having two legs. The accessory mounts on ... | 04/10/2001 |
| 6099015 | Hitch system for gooseneck trailer A hitch system is described for a towing vehicle (e.g. a pickup truck) to enable the vehicle to tow a gooseneck trailer. The hitch system includes a mounting bracket to be attached to the frame of the vehicle, a sleeve secured to the mounting bracket and ... | 08/08/2000 |
| 6024372 | Fifth wheel extension adapter An improved fifth-wheel extension adapter is described whose design provides the adaptability necessary for mating of the extension adapter with all known trailer king pin designs, which further provides improved contact with the trailer king pin and whic... | 02/15/2000 |
| 5971418 | Gooseneck hitch assembly and method of installation A gooseneck hitch assembly includes a hitch ball assembly having a hitch ball and a housing and a mounting assembly for securing the hitch ball assembly to the frame of a vehicle. The hitch ball is pivotally connected to the housing and includes a conveni... | 10/26/1999 |
| 5964495 | Fifth wheel valley and truck bed cover apparatus A removable pickup truck bed cover for use with pickup trucks having a fifth wheel attachment mounted on the bed which comprises a tapered wheel valley located within a ramp and a recess which houses a fifth wheel when the bed cover is fitted onto the tru... | 10/12/1999 |
| 5947503 | Fifth-wheel trailer connector An apparatus for acting as a shock absorber for a truck towing a vehicle mated with a fifth-wheel, or a gooseneck, hitch. A fifth-wheel, or gooseneck, trailer has members extending away from the trailer bed and converging. A cylindrical housing, having a ... | 09/07/1999 |
| 5931519 | 5th wheel truck tailgate, its manufacture and uses thereof An improved tailgate for allowing easy hook-up to 5th wheel trailers; recreational or horse-utility types by way of a drop down top center door incorporated into the tailgate. This allows a line of sight from the tow vehicle to the 5th wheel trailer throu... | 08/03/1999 |
| 5893575 | Hitch assembly A hitch assembly is provided with a hitch mount and a safety chain connector, both of which adjust to provide a hitch assembly which conforms substantially to the contour of the towing vehicle body when the hitch assembly is not in use. The hitch mount is... | 04/13/1999 |
| 5788258 | Folding ball hitch with recessed safety chain attachment A folding ball hitch having a recessed safety chain latching mechanism is of the type normally mounted in the bed of a pickup truck. The ball is foldable from an upright or active position to a down or stowed position in which the ball does not interfere ... | 08/04/1998 |
| 5755452 | Folding hitch safety latch A folding ball hitch for use with fifth wheel trailers is movable between an operative position (protruding above a truck bed) and an inoperative position (stowed below the surface of the truck bed). A locking mechanism prevents the ball from inadvertent ... | 05/26/1998 |
| 5738363 | Hitch assembly A hitch assembly is provided with a hitch mount and a safety chain connector, both of which adjust to provide a hitch assembly which conforms substantially to the contour of the towing vehicle body when the hitch assembly is not in use. The hitch mount is... | 04/14/1998 |
| 5713500 | Storage box A storage box for mounting in the rear end of a pick up truck by extending laterally across the rear end of the truck. The truck has a towing hitch mounted to the rear of the truck immediately in front of the box, and a 5th wheel trailer has an elonated t... | 02/03/1998 |
| 5577751 | Removable truck bed trailer hitch A hitch for towing a trailer behind a truck. The inventive device includes a mounting assembly securable to a frame of the truck. A receiving assembly is secured to the mounting assembly for receiving a vertical stanchion having a ball hitch secured to an... | 11/26/1996 |
| 5571270 | Hitch assembly with retractable trailer coupling A hitch assembly is proved with a retractable hitch mount and a retractable safety chain connector, both of which retract to provide a hitch assembly which conforms substantially to the contour of the towing vehicle body when the hitch assembly is not in ... | 11/05/1996 |
| 5529329 | Fifth wheel hitch with side pivot lock A fifth wheel hitch assembly includes a frame for mounting to a towing vehicle and a head assembly including a jaw mechanism for engaging a trailer. The head assembly is mounted to the frame so as to allow for relative fore-and-aft as well as side-to-side... | 06/25/1996 |
| 5513869 | Fifth wheel with gooseneck A fifth wheel hitch assembly (10) which is mounted on the hitch ball (32) of a gooseneck subassembly (12), is described. The subassembly is mounted in the bed (14A) of a pickup truck (14) such that the subassembly is parallel to the rear axle (16) of the ... | 05/07/1996 |
| 5482309 | Scissor closure coupler for gooseneck trailers A scissor coupler, for attaching to a trailer hitch ball having a widest point and a neck, comprising a top plate, a bottom plate, a hinge bolt, and a main spring connected between the top plate and bottom plate. The hinge bolt attaches the top plate and ... | 01/09/1996 |
| 5472222 | Hitch for goose neck trailer A hitch for a goose neck trailer is provided which includes a cross member positionable beneath the cargo bed and between the frame members of a truck. A central opening is provided on the cross member for receiving a socket that is insertable within a sl... | 12/05/1995 |
| 5435585 | Folding ball hitch with safety chain anchor A hitch adapted to be mounted in the bed of a pickup truck for towing a trailer having a coupling mechanism and safety chains. The hitch includes a ball adapted to releasably interlock with the coupling mechanism. The ball has an upright position for enga... | 07/25/1995 |
