Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4551877 | Ramp bridging device A ramp bridging device having a bridge plate, the rear end of which is pivotably mounted to a ramp about a horizontal transverse shaft, and an extension for rest and support on a platform which is to be loaded or unloaded. The extension is located at the ... | 11/12/1985 |
| 4538314 | Boarding ramp A removable and adjustable ramp for aiding an animal or human into a small boat from water in which the boat is floating comprising an inclined planar member removably attached to the vertical wall portion of a small boat and extending into the water with... | 09/03/1985 |
| 4525887 | Counterbalancing mechanism for the ramp of a dockboard An improved counterbalancing mechanism for the ramp of a dockboard. The ramp is hinged at its rear edge to the frame of the dockboard and is adapted to be pivoted between a generally downwardly inclined position and an upward inclined position by a counte... | 07/02/1985 |
| 4510638 | Transfer bridge for ramps With transfer bridges for ramps having an extension capable of being extended and retracted, and tongues capable of being pushed in, in connection with a bridge plate pivotably mounted on the ramp, a drive is associated with the extension. The drive retra... | 04/16/1985 |
| 4488325 | Truck locking device A device for locking a vehicle to a loading dock during a loading operation. The device includes a frame mounted on the front surface of the dock beneath a pit which houses an adjustable dockboard. A slide assembly is mounted for vertical movement on the ... | 12/18/1984 |
| 4472099 | Releasable locking device A device is provided for releasably securing a parked vehicle to an adjacent structure. The device includes a pivotally mounted elongated unit which is movable between a vehicle-interlocking operative mode and a vehicle-release inoperative mode. The elong... | 09/18/1984 |
| 4453282 | Dock leveller releasable from dock installation A dock leveller for releasable securement to a loading dock installation is disclosed. The dock leveller comprises a main frame with a ramp hinged to the main frame for swinging movement. Securement devices are provided for releasably securing the dock le... | 06/12/1984 |
| 4450598 | Lip construction for dock leveller A lip construction for pivotal connection to the ramp of a dock leveller is disclosed. The lip comprises upper and lower rectangular steel plates providing front and rear lip edge portions. Means is provided for securing the lip rear edge portion for pivo... | 05/29/1984 |
| 4422199 | Dockboard seal A flexible seal for use in adjustable dockboard unit for sealing the unit against the flow of air therethrough into and/or out of the building in which the dockboard is being used.... | 12/27/1983 |
| 4421051 | Auxiliary boom for emergency evacuation An apparatus and method for erecting a temporary emergency walkway for personnel between an offshore oil platform and a marine vessel. The disclosed apparatus includes a first walkway attached to the main boom of a crane mounted on the vessel and a second... | 12/20/1983 |
| 4420849 | Ramp bridging device A ramp bridging device including a pivotable bridge plate and an extensible extension portion. Stop buffers, pivotable between a vertical operative position and an inoperative position beneath the bridge plate, are provided for protecting the plate and th... | 12/20/1983 |
| 4403362 | Bulk loading facility having a drop way Improvement in a bulk loading facility having a fixed deck having a drop way projecting from and hinged to said deck so that it can be raised or lowered for loading, the drop way having an extendible deck slideably supported from and attached to the outbo... | 09/13/1983 |
| 4400127 | Truck locking device The truck locking device includes a flat substantially triangular shaped support member having a vertically extending surface and an inclined surface, a pair of locking arms pivoted adjacent the intersection of the vertical and inclined surface on opposit... | 08/23/1983 |
| 4394888 | Bridging bar attachment means for bi-elevational platform lift Extendable bridging bar frame members are pivotally mounted to an angularly adjustable loading platform level of a bi-elevational platform lift apparatus. The bridging bar frame members are selectively extendable to engage an associated dock side loading ... | 07/26/1983 |
| 4382307 | Transfer bridge A transfer bridge for ramps. The bridge includes a bridge plate, the rear end of which is pivotable about a horizontal axis. The bridge plate is provided with a retractable and extendable extension which in turn is provided with tongues capable of being p... | 05/10/1983 |
| 4373847 | Releasable locking device A releasable locking device is provided for securing a parked vehicle to an adjacent upright structure. The device includes a first means mounted on the upright structure and a second means mounted on the first means for vertical movement relative thereto... | 02/15/1983 |
| 4372075 | Apparatus for coupling and uncoupling toy tractors and semitrailers An improved reciprocating dock for coupling and uncoupling a toy semitrailer and a toy tractor. The dock includes a reciprocable slide and a rotary cam arrangement. During an uncoupling operation, the slide is contacted and displaced by the semitrailer fr... | 02/08/1983 |
| 4354447 | Extendable bowsprit pulpit for a fishing boat An extendable bowsprit pulpit for a fishing boat, comprising an elongated pulpit affixed to the bow of the boat, a slidable pulpit extension which fits into the elongated pulpit and is capable of being retracted to lie mainly within said elongated pulpit ... | 10/19/1982 |
| 4347638 | Retractable porch and stair apparatus for trailers A retractable porch and stair apparatus suitable for use with trailers and the like has a pair of parallel elongate channel members for attachment to the underside of a trailer. A floor member having preferably iron grating therein for strength and cleanl... | 09/07/1982 |
| 4337545 | Bridges for providing access from a water-borne craft to the shore A ship to shore bridge is movable between a stowed position in which it is received in a recess formed in a quay face and effectively forms a continuation of the quay face along the length of the recess, so that the quay can be used in normal manner, and ... | 07/06/1982 |
| 4325155 | Dock leveler A dock leveler or transfer bridge for ramps, comprising a bridge plate pivotally journalled at its rear end about a horizontal axis on a ramp. The front end of the bridge plate has a foldable or pivotal extension pivoted downwardly in the rest position an... | 04/20/1982 |
| 4307876 | Energy absorption apparatus Energy-absorption apparatus for truck docks constructed and arranged to withstand impact of semi-trailers backing into a truck dock without damage to the dock over a long period of time. The apparatus of the invention includes a plurality of spring steel ... | 12/29/1981 |
| 4297964 | Mobile caisson structure A caisson structure facilitating communication between a ship and a quay comprises a displacement unit having ballasting members, and a first housing located at one end of the displacement structure and having sufficient height to reach above high tide wa... | 11/03/1981 |
| 4293967 | Pivotal deck ramp A deck ramp is pivotally affixed to the bow of a boat allowing the deck ramp to serve either as a portion of the deck or as a ramp. When the deck ramp is in the closed position the deck ramp serves as a portion of the deck, which when in the open position... | 10/13/1981 |
| 4293969 | Inflatable seal An inflatable seal for use in an adjustable dockboard unit for sealing the unit against the flow of air therethrough into and/or out of the building in which the dockboard is being used.... | 10/13/1981 |
| 4282621 | Releasable locking device A device is provided for releasably securing a parked vehicle to an adjacent structure. The device is provided with a first member hingedly mounted for movement between an operative mode and an inoperative mode. When the first member is in an operative mo... | 08/11/1981 |
| 4280243 | Bulk loading facility having a drop way Improvement in a bulk loading facility having a fixed deck having a vertical column as a part thereof and a drop way hinged to the deck so that it can be raised or lowered for loading, the improvement comprising the drop way having a handrail assembly inc... | 07/28/1981 |
| 4242032 | Ramp and ramp carrier for trucks and the like A ramp and ramp carrier for trucks and the like is disclosed in which the truck body is provided with long rails comprising I-beams which carry the cross members and truck floor, the long rails being adapted to be supported by and secured to the spaced pa... | 12/30/1980 |
| 4235399 | Cargo ramp A cargo ramp configured for stowage on a cargo carrying vessel and deployment between a cargo opening or the outer boundary of a cargo deck and the surface of a cargo handling region such as a runway, dock or pier. The cargo ramp includes two hinged toget... | 11/25/1980 |
| 4198187 | Ramp and ramp carrier for trucks and the like A ramp and ramp carrier for trucks and the like is disclosed in which the truck body is provided with long rails comprising channels facing inwardly and which carry the cross members and truck floor, the long rails being supported and secured to the space... | 04/15/1980 |
| 4191503 | Device for releasably securing one unit against a second unit A device is provided for use in releasably securing one unit (e.g., the rear end of a truck vehicle) against a second unit (e.g., a loading dock). The device comprises an elongated member mounted for controlled endwise movement relative to a locking assem... | 03/04/1980 |
| 4171550 | Loading system There is disclosed a modular system comprising central platforms having additional platforms extending from the ends thereof, and walkways pivotally connected to opposite sides of the central platform for swinging between horizontal positions for use in l... | 10/23/1979 |
| 4169296 | Connecting bridge for personnel to connect two mutually movable marine structures A personnel bridge for connecting a stationary offshore working platform 1 to a floating housing platform 2. A first span 3 is vertically pivoted at 5 to the platform 1 on one end, and vertically pivoted at 6 to the outer end of a second span 4 whose inne... | 10/02/1979 |
| 4162551 | Footbridge for connection between a fixed installation and an oscillating installation A footbridge for connection between a fixed installation and an oscillating installation, for example petroleum production platforms, comprising three sections hinged together, the end sections being hinged to rotatable platforms adapted to be secured to ... | 07/31/1979 |
| 4161795 | Boat ramp A portable landing ramp for boats which can be positioned manually has a walking plank having a first end secured to the boat by chains which support that end beneath the boat deck and thus reduce the angle of plank inclination, while a second plank end h... | 07/24/1979 |
| 4157742 | Accommodation ladder arrangements Accommodation ladder having a first flight of steps of adjustable length with one end adapted for connection to a ship while its opposite end is pivotably mounted about a horizontal axis at a given level above the quayside. This flight of steps is also mo... | 06/12/1979 |
| 4144979 | Beaver tail platform attachment for a trailer A generally rectangular shaped beaver tail platform is supported in inclined relation from the rear end portion of a trailer. Locking elements on the beaver tail platform and trailer releasably lock the beaver tail platform on the trailer. Ramp members ar... | 03/20/1979 |
| 4141668 | Method and apparatus for erecting a bridge structure An apparatus for erecting a bridge structure which is adapted to be disposed above a body of water includes an elongated bridge member and a support tower pivotably mounted upon the bridge member. The support tower includes a caisson which has a jacking m... | 02/27/1979 |
| 4133283 | Directional force system for directionally countering horizontal mooring forces A hydraulic reactor system for minimizing mooring forces of a vessel attached to an offshore structure, by means of a ramp which enables access between the two, comprising a structural frame provided with a hydraulic piston utilizing a one-way pressure re... | 01/09/1979 |
| 4127856 | Vehicle-dock latching apparatus A latch member is affixed near one end of a vehicle body and may be in the form of a rigidly supported horizontal rod spaced from the body. A latch is attached to a loading dock in position for registration with the rod as the vehicle body approaches the ... | 11/28/1978 |
