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 |
| 7368647 | Support for a musical keyboard instrument A support for a musical keyboard instrument has a first leg, a second leg and an adjuster. The first leg is pivotally connected to the second leg and a rod is formed in a sidewall of the second leg. Two first spiral surfaces are respectively formed in a free end of ... | 05/06/2008 |
| 7341392 | Lock device in an articulated joint for a foldable ladder An articulated joint for a foldable ladder includes an outer casing pair, an inner casing pair pivotally moving with respect to the outer casing pair, a lock device composed of a lock block and a locating pin. The locating pin has a ball end to be slightly squeezed ... | 03/11/2008 |
| 7341017 | Hydraulically locked boat accessory mounting device An apparatus for a hydraulically locked accessory mounting device for attaching accessories to a boat, or vessel. The mounting device includes a base for attaching to the boat and a ball head that is attached to an accessory, which can be moved to a selected positio... | 03/11/2008 |
| 7222395 | Incremental locking hinge assembly A hinge assembly containing a receiver member having a corrugated inner surface and a locking pin for being pivotally disposed within the receiver portion about an axis. The locking pin and receiver member have complementary corrugated engaging surfaces that allow t... | 05/29/2007 |
| 7040831 | Boom positioning mechanism An improved design of positioning mechanism, mountable to an upright, allows smooth, readily accomplished adjustment of the angular, rotational and translational positions of a boom with respect to the upright. A hub is mounted to and rotatable with respect to a bas... | 05/09/2006 |
| 6966679 | Adjustable light fixture mounting assembly The components of an adjustable light fixture mounting assembly are secured during adjustment of a light in a lighting system. A knuckle joint with a locking taper secures an upper knuckle half to a lower knuckle half. The locking taper secures the adjustment of the... | 11/22/2005 |
| 6941712 | Mounting bracket for grain bin A mounting bracket having a vertical member with a back portion and side flanges where the back portion has a plurality of slots and holes and the side flanges have slots at both ends. Adjustably connected to the vertical member is a shoe with a bottom portion and s... | 09/13/2005 |
| 6902436 | Car lighter plug of quick disassembly A car lighter plug of quick disassembly includes a first body, a second body, a pivot, and a first quick-disassembly twist button. The first body has an elastic conducting post and several elastic conducting sheets. The rear end of the first body has a through hole.... | 06/07/2005 |
| 6848345 | Adjustable head for a wrench A wrench includes a handle, a head having a pivotal portion, and a retaining mechanism for retaining the head in the desired angular position relative to the handle. The pivotal portion of the head includes a fore lug and a rear lug that are located with reference t... | 02/01/2005 |
| 6848344 | Articulating wrench assembly There is provided an articulating tool assembly for performing a mechanical task in a confined area, e.g., applying the torque to install or remove nuts threaded onto machine bolts or other hooks in confined or recessed areas. The articulating tool assembly has an e... | 02/01/2005 |
| 6848459 | Umbrella canopy orientating device An umbrella canopy orientating drive is applied to a large-sized umbrella. The umbrella has a central rod comprised of an upper section to which a canopy is attached and a lower section positionable on a fixed surface. The umbrella canopy orientating device includes... | 02/01/2005 |
| 6752729 | Connection member for connecting parts of frame assembly A frame includes a plurality of L-shaped elbow members and tubes. Each elbow member includes two extension tubes and each extension tube has an open end and a hole is defined through a wall proximate to the open end. Each tube includes two open ends so as to be inse... | 06/22/2004 |
| 6692178 | Pivotable tool having crossing-connected arms A pivotable tool includes a pair of pivotally interconnected arms disposed in a crossing relationship and having a manually releasable releasing device which locks the arms in a perpendicular open position for use of the tool as a wrench. In each of two e... | 02/17/2004 |
| 6622741 | Automatic bending-angle changing structure for umbrella An automatic bending-angle changing structure for an umbrella including an upper and a lower sleeve, a pulley holding rod, a pulley set, a turning cylinder, a turner bracket, a hinge set and a reel, wherein: the pulley set is pin connected with the pulley... | 09/23/2003 |
| 6609849 | Hold block A hold block for fastening a structural elevator component, such as a landing door sill, an overhead structure of a landing door opening or a car door sill, to a base. The hold block comprises a fixing element for fixing the hold block to the base and a s... | 08/26/2003 |
| 6550097 | Wiper arm A wiper arm for a pivotably connected wiper blade has a fastening part (10) for fastening to a drive shaft (12), by inserting the drive shaft through a widening indentation (38) of the fastening part (10), and a screw nut (44 tenses the fastening part (10... | 04/22/2003 |
| 6409411 | Modular tooling coupling apparatus A coupling apparatus for adjustably mounting modular tooling members having a base member releasably connectable to a slide mount wherein the base member is adjustably located along a predetermined linear path of travel defined by the slide mount. The bas... | 06/25/2002 |
| 6364564 | Finger device for blocking one component relative to another A device for blocking first and second components (1, 2) relative to one another may be provided with first and second parts (3, 4) capable of cooperating with one another in order to effect the blocking, the first part (3) being carried by the first comp... | 04/02/2002 |
| 6317497 | Toggle joint combination for extending a receptacle of automobile cigarette lighter and application thereof A toggle joint combination for extending a receptacle of automobile cigarette lighter and application thereof, wherein an insertion portion of this invention is plugged in the receptacle of automobile cigarette lighter; every extension portion may be exte... | 11/13/2001 |
| 6290422 | Vacuum cleaner hook assembly A hook assembly for a vacuum cleaner handle which has a base member formed in the handle with a continuously internally walled extension defining an opening into which a continuously externally walled extension of a hook member can be inserted so that por... | 09/18/2001 |
| 6261023 | Articulated element for a support Articulated part (1) for a stand (2) with an axially rotatable and vertically swivelable articulated arm (3), wherein the articulated part (1) has a pivot pin (6) which can be connected with a carrier (5) by a connection part (4), and wherein the articula... | 07/17/2001 |
| 6148698 | Angle-adjustable box end wrench An angle-adjustable box end wrench, which includes a handle having a front coupling block and a transverse receiving open chamber, a box end pivoted to the front coupling block of the handle, the box end having two toothed portions disposed at two opposit... | 11/21/2000 |
| 6109814 | "Float/no-float" mechanism for 3-point hitch An implement-positioning apparatus used on an implement-towing vehicle such as a tractor includes a draft arm, a lift link, and a mechanism coupling the arm and the link together. The mechanism selectively permits floating arm movement (and therefore floa... | 08/29/2000 |
| 6106182 | Vacuum cleaner hook assembly A hook assembly for a vacuum cleaner handle which has a base member formed in the handle with a continuously internally walled extension defining an opening into which a continuously externally walled extension of a hook member can be inserted so that por... | 08/22/2000 |
| 5971652 | Articulated conduit joint An articulated conduit joint (8) includes first and second arms (10, 12), defining first and second passages (106), pivotally coupled by a main clutched joint (14) for movement of the arms about a joint pin (78) defining a first axis (20). The main clutch... | 10/26/1999 |
| 5960509 | Multi-functional back brush A multi-functional back brush includes a brush head having an upper portion provided with a strap, a front end formed with a first opening, a rear end formed with a second opening, an adjustable shaft having a first end engageable with the first and secon... | 10/05/1999 |
| 5921625 | Mounting structure for cycle seat A cycle seat is mounted to a cycle frame so that the seat will rotate in a horizontally-inclined plane on an upwardly-extending axis. The seat extends transversely on opposite sides of the axis of rotation and has a lobed structure in which a gently-round... | 07/13/1999 |
| 5851081 | Bi-stable spring loaded pivoting joint The present invention provides a pivoting joint that has two stable positions. The pivoting joint is comprised of two housing elements that can rotate co-axially with respect to one another. A spring, generally in the shape of a modified hairpin, is conta... | 12/22/1998 |
| 5820287 | Articulated conduit joint An articulated conduit joint (8) includes first and second arms (10, 12), defining first and second passages (106), pivotally coupled by a main clutched joint (14) for movement of the arms about a joint pin (78) defining a first axis (20). The main clutch... | 10/13/1998 |
| 5702197 | Structure of pivot joint A pivot joint including a pivot bolt, which has an elongated flat mounting rod section at one end, a screw rod section at an opposite end, which has two longitudinal planes at two opposite sides, and a collar between in the middle, a mounting frame rotata... | 12/30/1997 |
| 5623742 | Motor vehicle screen wiper having means for orientation of the drive head A motor vehicle screen wiper comprises a screen wiper arm having a drive head fastened on an end portion of a motor shaft, which is part of a screen wiper drive unit. The motor shaft end portion comprises a conical portion which is received in a complemen... | 04/29/1997 |
| 5597566 | Vibration damping universal joint A vibration damping universal joint is disclosed for providing three degree of freedom orientation and limiting rotational deflection between a first and second rod portion of a manual transmission gear shift rod. The universal joint includes a first and ... | 01/28/1997 |
| 5590570 | Actuating forces transmission link and assembly for use in surgical instruments A link, and assembly and instrument using same, for transmitting actuating forces from an actuating member to a work member. The link includes a link body having a distal end and a proximal end. The distal end of the link body is movably interconnected wi... | 01/07/1997 |
| 5581838 | Articulating toothbrush assembly A toothbrush assembly is disclosed which includes an articulating head portion for releasable supporting a brushhead, and which is configured to releasably mount a plurality of interchangeable dental accessory tools. A spring biased actuation member havin... | 12/10/1996 |
| 5547169 | Fence assembly with swivel bracket A fence assembly including posts and rails connected to each other by adjustable connecting members. The connecting member is a swivel bracket which permits adjustment of an end of the fence rail relative a fence post in various directions, e.g., in verti... | 08/20/1996 |
| 5437425 | Folding stand for an office chair A folding stand for an office chair stand includes an annular frame to hold the upright shaft of an office chair, a plurality of radial lugs horizontally spaced around the annular frame, and a plurality of legs respectively hinged to the radial lugs and s... | 08/01/1995 |
| 5431544 | Tiltable fan assembly A tiltable fan assembly adapted to exhaust air at a variety of angular orientations. In a preferred embodiment, the tiltable fan assembly includes a generally flat base member adapted to rest on a table top or similar surface. The base member is shaped to... | 07/11/1995 |
| 5398978 | Adjustable coupling for linking conduits The coupling is provided for linking and supporting conduits hanging above the ground and is adjustable by means of a hand-operatable nut modifying the contact friction between flat and circular edges of two hollow casings. The nut is in mesh with an axle... | 03/21/1995 |
| 5393160 | Torsion bar for slow-acting rotation shaft device A torsion bar for a slow-acting rotation shaft device is formed from a U-shaped wire rod so that hook portions formed at both ends of the torsion bar are distanced from each other by a length at least more than a diameter of the wire rod. Hook portions fo... | 02/28/1995 |
| 5393159 | Base for aerials The invention relates to a holding device specially designed for fitting aerials to the roof of motor vehicles, comprising a U-shaped support (1), between the side branches of which is located and retained with the possibility of rotating about its own ax... | 02/28/1995 |
