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 |
| 7367461 | Movable girder mounted jib A portable jib for movably mounting to a crane girder includes a base frame configured for traveling along a girder and a support member coupled to the base frame, wherein the support member extends substantially upward from the base frame. A boom is coupled to a fr... | 05/06/2008 |
| 7290672 | Tower crane device A crane tower device includes a basket that supports a tower crane and sits within a bay formed by the vertical columns of a building under construction. The basket and the tower crane are supported by support stubs that are attached to the vertical columns. Because... | 11/06/2007 |
| 7182319 | Roller assembly for a lifting device for a personal-transportation vehicle A preferred embodiment of a roller assembly for a lifting device for a personal-transportation vehicle includes a shaft member for mounting on a lifting arm assembly of the lifting device and having an outer surface, and a roller member for supporting a lifting stra... | 02/27/2007 |
| 7178181 | Portable hoist system for assisting in the movement of a disabled person A hoist and associated method for erecting the hoist for assisting movements of disabled persons. The hoist has a fixed-length stanchion that is supportable at opposing longitudinal ends thereof by first and second support members that are, in turn, fixed to a facil... | 02/20/2007 |
| 7086820 | Apparatus for the lifting and placement of loads A portable lifting apparatus having an adjustable length vertical section with three legs thereon to engage the ground. A concave saddle is affixed to the upper end and an adjustable combination of lifting member and handle are removably attached thereto. The end of... | 08/08/2006 |
| 7070059 | Portable hoist for vehicle An improved hoist is disclosed to reposition a load relative to a vehicle compartment such as a trunk of a vehicle. The hoist comprises a base for location on a generally horizontal lower surface of the vehicle compartment. A horizontal telescoping shaft has a first... | 07/04/2006 |
| 7025218 | Billboard advertising copy hoist system A hoist system can be used to raise articles. The hoist system can include a composite pole member having a bend, a mounting structure attachable to the composite pole member and a winch assembly. The winch assembly has at least one component attached to the pole. T... | 04/11/2006 |
| 7004337 | Foldable cab/pivot unit for a tower crane The cab/pivot unit comprises an upper mast element associated with a pivot, an access platform which extends horizontally at one side of the mast element, and a driver's cab mounted pivotably about a vertical axis located at the side of the mast element and linked t... | 02/28/2006 |
| 6926120 | Masonry project kit Masonry project kits assist with building basements. In the course of building a basement, it is frequently necessary to climb over and lift equipment over walls. A wall hanger is provided to attach a ladder to the side of a wall. The ladder's height can be adjusted... | 08/09/2005 |
| 6668497 | Concrete placing boom adapter A support structure for supporting a concrete placing boom above a work site. The support structure includes a support mast having a generally smooth outer surface. The support mast receives an adapter that can be removed from one support mast and attache... | 12/30/2003 |
| 6189866 | Load handling assembly A load handling assembly that is attachable to the receiver of a receiver hitch assembly of the pickup truck. The load handling assembly includes a winch assembly in connection with a rotatable support structure to allow heavy loads to be lifted to the le... | 02/20/2001 |
| 6021910 | Construction crane base A platform assembly designed for use in supporting a crane during the construction of a multi-story building is described. The assembly includes a platform for supporting a crane and means for fixedly attaching the platform to differing locations along th... | 02/08/2000 |
| 5934490 | Combination engine hoist and stand A combination engine hoist and stand for lifting and supporting an engine includes a variably oriented "H" shaped multi hinged base with frame extension capability mounted on casters and a combined hoist and stand vertical column located on the base for c... | 08/10/1999 |
| 5217344 | Large, high-capacity automated transportable construction boom for use in open areas A manipulator designed to handle loads on construction or public works si is shown and described. A motorized carrier (1) has an orientable pole (9) and an arm that can be folded and unfolded (16) hinged to the top of the pole and made of several element... | 06/08/1993 |
| 5199586 | Quick-connect sectional boom members for cranes and the like A quick-connect system is disclosed for sectional boom members for cranes and the like. The sectional boom members comprise chords for carrying compressive loads, each chord terminating in an end configured to abut against an end of a chord of an adjacent... | 04/06/1993 |
| 5137161 | Boom support assembly A boom support assembly for an earth working machine, which includes a winch, a pair of tension members and a pendant pin link interposed between tension members. The first tension member is a boom support pendant secured to a boom point of a boom and the... | 08/11/1992 |
| 4953720 | Crane and method for using crane A crane comprises a base, a driving body for driving and controlling the crane disposed on the base rotatable in a horizontal plane, an articulated arm attached to the driving body pivotable in a vertical plane, and a clutching means for clutching the con... | 09/04/1990 |
| 4856662 | Pedestal crane and method of assembling and erecting it A method of installing a boom on the top of a high vertical tower comprising vertically positioning a first tower section and securing the tower section to a base; installing a plurality of additional tower sections in consecutive order on top of the firs... | 08/15/1989 |
| 4826023 | Crane for offshore platform and method of installing same A crane or derrick for use on an offshore platform comprising a base, a boom operatively connected to the base, and a sectioned kingpole secured to said base, the kingpole including a first kingpole section secured to the base and at least one additional ... | 05/02/1989 |
| 4463858 | Reversible portable hoist A portable hoist that can be mounted in a pick up truck for lifting objects and for the lifting and towing of disabled vehicles. The hoist can be used either in or out of the truck.... | 08/07/1984 |
| 4387812 | Intermediate cable support A skyline intermediate support for use in cable logging systems and a logging carriage are shown and described. The intermediate skyline support permits the skyline cable to pass freely through the intermediate support while positively retaining the cable... | 06/14/1983 |
| 4344716 | Beam joining apparatus Apparatus for joining a pair of flanged beams in an end-to-end relationship includes a pair of end plates each welded to an end of a corresponding one of the flanged beams. Each of the end plates has a notch therein which is aligned with the notch in the ... | 08/17/1982 |
| 4274542 | Method for transfer of crane from tower A method of transferring a crane from a tower to an adjacent elevated site, such as a building under construction. The crane is raised from the tower by an elevating frame secured at one end to the tower. A transition section is inserted between the crane... | 06/23/1981 |
| 4096952 | Adjustable jib crane A jib crane having an adjustable height. The crane comprises a sectional mast which can be lengthened or shortened. The mast has a ceiling connecting element which can accommodate sloping ceilings, and a floor mounting element which is quickly and easily ... | 06/27/1978 |
| 3998029 | Tower crane climbing A tower crane and method of climbing the crane. The tower of the crane is initially stabilized at an elevated location, and the tower is released from a base frame supporting its base and elevated to place its base on an upper frame, the base frame is the... | 12/21/1976 |
| 3978989 | Extensible and collapsible portable derrick An extensible and collapsible portable derrick in which the various parts are made from a light weight metal and in which the parts can be disassembled and arranged in compact units, light enough in weight and small enough in size to be readily transporta... | 09/07/1976 |
| 3949882 | Rotary tower crane A rotary tower crane has a tower constructed from uniformly sized sections which can be arranged to provide a tower of small or large cross section, as required. The tower sections can be aligned in a single, vertical column to provide a tower having a na... | 04/13/1976 |
