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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8043020 | Coupling structure of a telescopic rod A coupling structure of a telescopic rod includes an inner tube, an outer tuber, and a positioning device. The positioning device includes a rotatable lid, a resilient sleeve, a metallic ring, and a C-shaped sleeve. The C-shaped sleeve has a plurality of mini-ribs f... | 10/25/2011 |
| 8021070 | Apparatus for positioning a component of an exercise device An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and ma... | 09/20/2011 |
| 7645087 | Expander nut An expander nut is for being assembled to an upper end of a steering tube of a bicycle. The expander nut includes a base nut, two wedge halves having interlocking tapered surfaces and assembled to the base nut, a top cap mounted on the wedge halves, and a bolt screw... | 01/12/2010 |
| 7637684 | Boom pole The present invention relates to a locking means (1) for use in releasably locking a first tubular structure (100) of a first diameter and a second tubular structure (101) of a second diameter in a predetermined position telescopically in relati... | 12/29/2009 |
| 7607855 | Positioning sleeve for a telescopic rod A positioning sleeve includes first and second surrounding portions adapted to surround outer and inner tube sections of a telescopic rod, respectively. The second surrounding portion has a plurality of angularly spaced-apart recessed parts and a plurality of compre... | 10/27/2009 |
| 7494296 | Adjustment of telescopically movable elements A locking arrangement includes an inner element (1) and an outer element (3), (302), where the inner element (1) is axially shiftable relative to the outer element (3), such as a shaft of a tool, one end of the outer element (3 | 02/24/2009 |
| 7438496 | Auto locked mechanism A securing apparatus, including: a deformable body, wherein the body is configured to provide a secure interference fit with at least one article to which it is fitted, and an aperture within the body, wherein the aperture is configured to accept a noncircular secti... | 10/21/2008 |
| 7407337 | Cam-locking positioning mechanism A locking positioning mechanism includes a first element and a second element, the first element and second element rotatable relative to one another about a common rotational axis between a locked orientation and an unlocked orientation and axially translatable rel... | 08/05/2008 |
| 7377713 | Front-wheel support for a wheel chair A front wheel support for a wheel chair, the front wheel support having a curved tube for attachment to a frame member of the wheel chair and a curved part. The curved part has a first portion with a curvature identical to the curvature of the curved tube, and a cro... | 05/27/2008 |
| 7357282 | Fish stringer system A fish stringing device which includes a spring loaded connector designed to simultaneously releaseably couple and sheath a rod used to string fish upon a cord. The spring loaded connector includes a rod receptacle inside a helical spring fixed within a tubular shaf... | 04/15/2008 |
| 7311061 | Telescoping flagpole A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each... | 12/25/2007 |
| 7296947 | Arrangement having a first component, a second component and a connecting element An arrangement has a first component, a second component, and a connecting element for connecting the first component to the second component at a distance from one another, the first component, at least at an end that is to be connected to the second component, bei... | 11/20/2007 |
| 7246629 | Beach umbrella One embodiment of a beach umbrella comprises a telescopic shank and a folding radial frame including ribs each including a first segment, a second segment, and a hinge pivotably interconnecting the segments, and spreaders each having one end pivotably connected to t... | 07/24/2007 |
| 7237305 | Extension pole with tool lock and retraction dampener An improved extension pole (10) is provided having an outer tubular pole section (12) and an inner pole section (14) telescopically and reciprocally received within the section (12). The outer section (12) has a shock-absorbing com... | 07/03/2007 |
| 7229101 | Trekking stick with shock absorber A stick, such as a trekking stick, ski pole or walking stick, is provided with a shock absorber between a first and a second tubular section of a stick shaft that is equipped with a handle and a stick tip. According to the invention, the shock absorber comprises a g... | 06/12/2007 |
| 7223041 | Camming coupler A camming coupler for removably attaching a music desk or other object to an upright support leg. The camming coupler includes an inner sleeve for receiving the upright support leg. The inner sleeve has at least one longitudinal slit formed therein, and preferably h... | 05/29/2007 |
| 7195215 | Suspension arm A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve. The outer sleeve can revolve on ... | 03/27/2007 |
| 7186048 | Quick release mechanism A latching mechanism for coupling nestable drive shanks of a tool includes a housing presenting a locking pin movable between a normal locking position and a release position. First and second bias means cooperate to urge a free end of the locking pin in extension o... | 03/06/2007 |
| 7124985 | Geomatic pole support with telescoping legs and locks A support particularly adapted for supporting a geomatic pole has telescoping legs, each having telescoping leg sections which can be locked by a locking device in a selected position of extension, fixing the length of the leg. The locking device is easily actuated ... | 10/24/2006 |
| 7089625 | Shaft of a tool or the like The invention relates to a shaft of a tool or the like with an adjustable length, the shaft comprising a first shaft section (2) and a second shaft section (10) which are attached to each other by adjusting means and move telescopically with respect to... | 08/15/2006 |
| 7073228 | Handle construction for golf ball retriever A telescoping handle having a plurality of telescoping hollow tubes characterized by relative sliding stiffness between each of the tubes and having a similar resistance to rotation, the handle comprising a plurality of stiffeners having an outside diameter sized to... | 07/11/2006 |
| 7051806 | Internal slip connector An internal slip connector useful for attaching tools or other devices to the inside wall of a conduit, the connector having a mandrel with a head end, a threaded end, a reduced-diameter shaft section disposed between the head end and the threaded end, two abutting ... | 05/30/2006 |
| 7044526 | Mating receiver rack for personal recreational vehicles A sectional receiver rack includes a main framework piece that is attached to a mounting surface of the personal recreational vehicle. The main framework may be flat and may be fashioned generally in the image of a cargo rack. The main framework may have mounting fl... | 05/16/2006 |
| 7044860 | Slip joint for vehicle driveshaft assembly A slip joint, such as for use in a vehicular driveshaft assembly, includes a first member having a plurality of male splines provided thereon and a second member having a plurality of female splines provided thereon. The male splines cooperate with the female spline... | 05/16/2006 |
| 7037221 | Frameless portable suspension system A frameless portable suspension system includes a tensional two-dimensional material having a frameless perimeter, opposite upper corners, and a bottom secured to ground, the tensional two-dimensional material located in a vertical plane perpendicular to the ground;... | 05/02/2006 |
| 7004671 | Pipe connecting structure and cleaning tool A pipe connecting structure for connecting a pair of sleeve-like pipes integrally in an axial direction by inserting a male side end portion of one of the pair of sleeve-like pipes into an opening of a female side end portion of the other sleeve-like pipe so as to s... | 02/28/2006 |
| 7000875 | Tripod A tripod (1) has at least one tripod leg (2) consisting of three telescopically guided segments (5–7) for length adjustment. Rotation of one of the segments (6, 7) fixes the adjusted length of the tripod leg (2). ... | 02/21/2006 |
| 6959622 | Rotary tilt locking mechanism A steering column rotary tilt locking mechanism. The mechanism includes a rod pivotally interconnecting upper and lower column members and a sleeve supported about the rod. The rod and sleeve have selectively engageable surfaces. The sleeve has opposed slots with on... | 11/01/2005 |
| 6959629 | Hand tool having a retractable handle structure A hand tool includes a retractable shank, a handle, an elastic member, and at least one fixing pin. Thus the rod assembly of the retractable shank can be retracted into and expanded outward from the receiving chamber of the handle so as to adjust the distance betwee... | 11/01/2005 |
| 6951185 | Telescoping flagpole A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each... | 10/04/2005 |
| 6916302 | Appendage elevator system A device for support and elevation of a limb. More specifically, the invention is a system for elevating a limb, comprising an adjustable sling assembly that can be attached by a hook to a support member that provides the elevation, which in turn can be inserted int... | 07/12/2005 |
| 6913231 | Telescopic stand for optical or photographic apparatus and the like A telescopic stand is described and comprises at least two legs (2) and, for each leg, at least two elements (5, 6, 7) which are slidable telescopically relative to one another, locking means (12) on each leg (2), the locking means (12... | 07/05/2005 |
| 6901826 | Screwdriver A screwdriver includes a handle having a polygonal hole defined in a first end thereof for allowing an operate shaft extending into the handle. A locking device is mounted in the handle for selective holding the operate shaft in place. A controlling device is mounte... | 06/07/2005 |
| 6862776 | Positioning structure of a retractable handle The present invention disclose the positioning structure of a handle comprising a base possessing an axial hole and two hollow spaces mounts on the inner tube; two movable pieces with slanting cambered face provided screw teeth thereon mounts in each of the hollow s... | 03/08/2005 |
| 6860672 | Reinforcing bar coupling A reinforcing bar coupling is provided for simply and quickly applying to a mechanical butt joint of two bars in the concrete constructions. The reinforcing bar coupling is consisted of a cylindrical sleeve (2) formed an uneven inner surface (22) to ma... | 03/01/2005 |
| 6761501 | Telescoping device and tripod Each one of telescopic units (12) that are used for a tripod includes a first tubular member (15). A second tubular member (16) is inserted in the first tubular member (15) so as to be capable of rotating circumferentially and enabling th... | 07/13/2004 |
| 6755590 | Box tube clamping system A box tube clamping system featuring a variable geometry clamp for secure joining of telescoping box tubes. A variable geometry clamp aligns between an inner and an outer box tube and includes a center wedge plate flanked by adjoining wedge plates which are advanced... | 06/29/2004 |
| 6733029 | Hitch bar tightener An apparatus is provided for tightening a draw bar, hitch bar or accessory mounting post in a receiver box of a trailer hitch receiver assembly. The apparatus broadly includes a body having an intermediate section with a threaded aperture and a pair of projecting mo... | 05/11/2004 |
| 6676329 | Clamping device and length-adjustable telescopic pole utilizing such a clamping device A clamping device for two telescopic tubes (1, 2) comprises a ring (7) which is longitudinally split and thus defines a longitudinal spacing (8) located in a plane intersecting the ring (7) longitudinally, said ring (7) being extended towards the outside ... | 01/13/2004 |
| 6619877 | Structure for positioning an expandable rod of a tree pruner An expandable rod of a tree pruner is formed of an outer tube and an inner tube, which are located by a drive block and a stop block such that a first end of the drive block is retained in a first tightening recess and stopped by a first check edge of a f... | 09/16/2003 |
