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 |
| 8069645 | Link chain The invention relates to a link chain having two or more rows of chain elements, wherein the chain elements of one row are rotatably connected to those of the adjacent row in the chain plane in such a way that each chain element has two rotational axes, of which in ... | 12/06/2011 |
| 8056315 | Chain connecting link The invention relates to a chain connecting link, which has two link brackets (4, 5) coupled via their limbs (6, 9), and a bar (14a-14c) that is inserted transversely between the limbs (6, 9) of the link brackets (... | 11/15/2011 |
| 7895817 | Tool-less chain coupling link A tool-less chain coupling link has first and second body members releasably joined together. A first hinge pin is movably positioned within corresponding openings in the first and second body members. A first hinge pin keeper member is pivotally attached to the fir... | 03/01/2011 |
| 7712298 | Chain plate structure A chain plate structure includes a first outer link plate and a second outer link plate, and each of which includes a first/second through hole, a first/second connection hole, a first/second trough and a first/second engaging trough at two sides of the first/second... | 05/11/2010 |
| 7690183 | Chain lock for round steel chains Disclosed is a chain lock for round steel chains, comprising two lock halves, each of which is provided with a rear section (4, 5) that extends in the longitudinal direction of the chain lock (1) as well as coupling sections (6 to 9) that... | 04/06/2010 |
| 7673441 | Slider chains A slider chain including a plurality of sliders joined together by divisible bridging pieces (30), and including a linking device at each end in order to interconnect the ends of two slider chains so as to form a longer chain overall. The sliders include an a... | 03/09/2010 |
| 7543437 | Link plate assembly for a chain A link plate assembly includes two first plate, two second plate, and two pins. The first plate includes a first aperture, a second aperture and a receiving aperture. Four convex portions facing the second plate are formed on the first plate. The second plate includ... | 06/09/2009 |
| 7467510 | Chain link anti-knuckle insert An insert assembly adapted to be received within a link of a chain including a plurality of round wire interlocking links, the insert being made of a resilient material and being dimensioned to be wider than the central area height and longer than the central area d... | 12/23/2008 |
| 7350376 | Jewelry clasp A jewelry clasp supports a plurality of strands of jewelry each with opposite ends having terminal fasteners. The jewelry clasp includes selectively connectable first and second segments. Each of the segments includes a spanner portion having opposite ends and a str... | 04/01/2008 |
| 7306394 | Hinge device for attaching at least two bracelet links The hinging device (1) for pivotably attaching the links of a bracelet includes a bar (5) comprising at at least one of its ends (8) a hole (9) provided with an inner thread (10), and a screw (11) whose thread is engaged in ... | 12/11/2007 |
| 7287775 | Adjustable ski skin attachment device The present invention relates to an adjustable ski skin attachment device that can be used to efficiently attach a skin to a ski or snowboard. In accordance with the present invention, an adjustable ski skin attachment device includes two threaded members, a coupler... | 10/30/2007 |
| 7269937 | Chain shortening device A chain shortening device is described. The device has the general shape of the letter “C”. A single slot (20) extends longitudinally along the elongated body (10) of the device. The single slot has a central widened portion defining a lead-through... | 09/18/2007 |
| 7263821 | Chain lock A chain lock has two lock parts which can be displaced in the longitudinal direction of the lock in order to open and close the lock. Each lock part has a journal (6) which is arranged on one end and a pocket (7) which is arranged on the other end in o... | 09/04/2007 |
| 7260975 | Compression tool jawset A compression tool having a pair of jaw arms pivotal between side plates and having inner edges provided with laterally inwardly open opposed spring pin recesses providing an opening therebetween for a spring pin, and a spring associated with the pin and biasing the... | 08/28/2007 |
| 7251923 | Chain lock A chain lock has two lock parts (1) which can be displaced in the longitudinal direction of the lock in order to open and close the lock. Each lock part (1) has a journal (5) which is arranged on one end and a pocket (6) which is arranged... | 08/07/2007 |
| 7251924 | Non-detachable chain link for material mover chain The present invention provides a non-detachable chain link for a material mover chain. Chain link comprises a body portion having an aperture therethrough and a hook portion including a tip portion. A recess defined by the hook portion is adapted to contain one or m... | 08/07/2007 |
| 7225760 | Tethering stakes Tethering stakes of the nature intended to be pounded flush with or below ground level. Certain of the tethering stakes include a cap on the pounding end which is adapted for ease of placement and release of a tethering line. Accordingly, the tethering line can be r... | 06/05/2007 |
| 7204366 | Credit card case with quick-release latch A credit card case or fob with an integrated quick-release latch is provided that may be unclipped readily from a key loop, key chain or other device. The quick-release credit card case includes upper and lower cover portions and a pivot member for connecting the up... | 04/17/2007 |
| 7191586 | Connector, band and watch The band relating to the present invention includes a first block, a second block, and a connector. The first connector has a concavity and first and second through-holes disposed on both sides of the concavity. The second block as a convexity that interlocks with t... | 03/20/2007 |
| 7155895 | Coupling link A coupling link for connecting chain includes a generally C-shaped link member, a lock member, and a securing member. The C-shaped link member defines an interior opening and has first and second opposing ends that are spaced from each other by a gap. The lock membe... | 01/02/2007 |
| 7150142 | Chicken chain An improved chain, compatible with food grade lubricants, is capable of use in poultry and other meat processing facilities. The chain comprises pairs of side links alternating with center links, and held together with pins. A pair of lubricating wells is located on... | 12/19/2006 |
| 7137239 | Prickle chain link A cast prickle chain link element, and a prickle chain made by interconnecting a plurality of these links. Each link element includes a body, the body having at least one hole, and at least one hook formed into it, and at least one ground engaging finger projecting ... | 11/21/2006 |
| 7134268 | Shackle and method for releasing or installing a shackle subsea with an ROV The present inventions relate generally to a shackle assembly and a method for installing and/or releasing the shackle assembly subsea. The shackle assembly of the present invention comprises first and second plates mounted on either side of a shackle body eyelet an... | 11/14/2006 |
| 7121969 | Roller chain In a roller chain, the outside diameters D of the rollers and the outside diameters d of the pins extending through bushings on which the rollers are disposed satisfy the relationships 0.72P≦D≦0.79P and 0.40P≦d≦0.44P where P is the pitch of the roller chain.... | 10/17/2006 |
| 7032372 | Chain link A chain link is designed in the form of a main body portion which is shaped into a loop enclosing an open interior space. Adjacent ends of the loop are spaced from one another and are disposed at a first acute angle to a centerline of the loop of the main body porti... | 04/25/2006 |
| 7024849 | Chain lock A chain lock for high-strength steel chains has two lock parts that are the same and can be joined together in a rotation-symmetry arrangement with one another, in the longitudinal direction. Each lock part has a longitudinal stay having arc segments that follow it ... | 04/11/2006 |
| 7013631 | Articulated bracelet including decorative links threaded onto a chain The linked bracelet, in particular for a watch, comprises a metal hinged chain passing through a series of ornamental tubular links (4) made of ceramic material, each ornamental link (4) having at least one longitudinal passage (20), in which a ... | 03/21/2006 |
| 6978596 | Transitional modular Italian charm link A 13 mm transitional modular Italian charm link capable of connecting to smaller 9mm charm links and/or other 13 mm charm links in various combinations. Charm links connect to one another using a spring loaded hook and post combination with the hook element emanatin... | 12/27/2005 |
| 6966170 | Device for closing a chain, particularly a bicycle chain Device for closing a chain, particularly a bicycle chain, comprising a first and a second pair of end outer plates connected by at least one pair of inner plates, a pair of rivets so engaging a pair of end holes of the first and the second pair of outer plates and t... | 11/22/2005 |
| 6959769 | Plough chain strand comprising a chain lock link The invention relates to a plough chain strand 50 with horizontal chain links and vertical chain links including normal chain links 30, 40, the chain link legs of which are connected by chain link arcs and engage one another alternately in an intractab... | 11/01/2005 |
| 6948752 | Combination master link and chain shortener A combination master link and chain shortener that can be readily connected to existing closed loop lifting rings. In one preferred embodiment, a bail connects to a lifting mechanism and an elongated body having a pair of opposed ends includes an opening at one end ... | 09/27/2005 |
| 6941622 | Hook capable of hooking chain at desired length A hook is capable of hooking a chain at a desired length. The hook comprises a hook body, and a buckle above the hook body. The buckle has a U shape opening. Width of the shape opening is confined by the size of a chain to be hung. The buckle, has a penetrating groo... | 09/13/2005 |
| 6912836 | Hanging chain structure for pendent lamp A hanging chain structure for a pendent lamp includes a plurality of hanging rings connected with each other. Each of the hanging rings includes a hook body, and a stop member pivotally mounted on the hook body. Thus, the hanging rings are connected with each other ... | 07/05/2005 |
| 6837037 | Interconnected rubber ring chain A chain formed by interconnecting rubber rings of the same or various shapes. The rings are either solid or non-solid and are interconnected such that the individual rings are moveable relative to each other and yet are substantially inseparable. ... | 01/04/2005 |
| 6799415 | Loop chain structure For the purpose of providing a loop chain in which light-related members can be easily attached to and detached from the loops, and do not readily fall off, and which has a good appearance from the standpoint of design, a loop 3 is provided with an engaging t... | 10/05/2004 |
| 6779294 | Breakable link A method of establishing a fishing line comprises the steps of attaching attachment openings of a breakable link to a surface buoy and underwater gear, and disconnecting the surface buoy from the underwater gear by irrecoverably breaking the wall of one of the attac... | 08/24/2004 |
| 6679648 | Chain joint and center piece for such chain joint A chain joint for a high-strength link chain is disclosed. The chain joint is formed from two joint parts form-fittingly connected with one another and a center piece braced on the two opposing longitudinal side bars of joint parts. The center piece is de... | 01/20/2004 |
| 6637182 | Detachable ring A detachable ring has a safety collar having an inner thread, an annular lower end and a taper upper end, and a main body having a first end having an end flange and a second end having an annular block and an outer thread. The inner thread of the safety ... | 10/28/2003 |
| 6494030 | Bracelet made from links A bracelet made of links has two rows of side links forming the edges of the bracelet and at least one row of central links. The side links have each one two blind bores opening on the inner side directed towards the central links and the central links ar... | 12/17/2002 |
| 6473945 | Flange clamp A flexible clamp comprising a plurality of plastics links each link being a snap-fit with the next adjacent link thereby permitting a user to alter the length of the chain by the addition or subtraction of one or more links, and means for latching the fre... | 11/05/2002 |