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 |
| 8020473 | Handle of a hand tool having grinding capabilities The present invention discloses a handle of a hand tool, which comprises a handle body and grinding members. The grinding member is mounted on the handle body, and the grinding member contains abrasive particles and has at least a grinding face, so that the user can... | 09/20/2011 |
| 7546785 | Battery-operated screwdriver A battery-operated screwdriver, having a housing (12, 18) with a handle (14), in particular bent at an angle like a pistol grip, with a preferably fixedly installed rechargeable battery (40), and with charge contact tongues (37) for charg... | 06/16/2009 |
| 7424837 | Quick switch hand tool A quick switch hand tool includes a base board, a plate, a shell, and a cover connected together. A driving shaft is rotatably disposed in the base board, the plate, the shell and the cover. A switch means is mounted on the base board and is provided for switching t... | 09/16/2008 |
| 7421931 | Socket wrench/adaptor combination A combination includes a socket wrench and an adaptor. The socket wrench includes a handle having a head portion. The head portion includes a drive column for driving a socket. The handle includes an open end in which a coupling member is securely mounted. The adapt... | 09/09/2008 |
| 7395739 | Portable screwdriver A portable screwdriver has a tip cartridge movably mounted inside the portable screwdriver. The tip cartridge can protrude from and be stored in the portable screwdriver and has multiple clamps formed, which hold the tips that can be individually detached from the t... | 07/08/2008 |
| 7380660 | Tool handle type tool box A tool handle type tool box, which includes a first cover shell, which has a connector at one end and hexagonal coupling holes formed in the connector for the mounting of a tool bit adapter to hold a tool bit for working, a second cover shell, which forms with the f... | 06/03/2008 |
| 7367757 | Electric drill with modified bit gripping assembly An electric drill (10) has a drive assembly (31, 70), and a pivot head (32) having first and second bit gripping assemblies (14, 22) disposed at 90 degrees to each other. The electric drill (10) also includes means for adjusting th... | 05/06/2008 |
| 7363839 | Driving tool having rotatable coupling A driving tool includes a tool stem having a non-circular spatial engaging member and having one or more flat surfaces, a tool shank having a non-circular socket opening and having one or more curved surfaces for pivotally receiving the spatial engaging member of th... | 04/29/2008 |
| 7353734 | Screwdriver having a ratchet mechanism A screwdriver having a ratchet mechanism includes a handle and a switch assembly. A ratchet base is provided in the handle. The ratchet base is provided with a locating device. The switch assembly is pivotally connected to the handle. A locating plate extends from t... | 04/08/2008 |
| 7334508 | Rotating screw driver head A tool for loosening or tightening screws. The tool has a number of shafts with screwdriver bits on their ends that are stored in elongated grooves that are parallel to the longitudial axis and circumferentally spaced around the handle. Each stored blade can be rota... | 02/26/2008 |
| 7305908 | Easy storage precision screwdriver An easy storage precision screwdriver comprises a handle, a cover disposed on one end of the handle, a post disposed on the cover and located in the handle, a pressing ring threaded on the other end of the handle, and a working post inserted into the handle and fixe... | 12/11/2007 |
| 7303028 | Adjustable handle for a power tool The present invention relates to a power tool comprising: a housing and a handle engaged with the housing, wherein the rear portion of the housing is provided with an arcuate track. The handle is provided with an engaging portion which is engageable with the arcuate... | 12/04/2007 |
| 7293484 | Opener head retainer An opener head retainer comprises a handle held by users; a front end of the handle having a receiving groove; an operation portion capable of being inserted into the receiving groove; a receiving portion formed by a casing, an inserting disk, an elastomer, and a co... | 11/13/2007 |
| 7293482 | Wing nut installation and removal tool A tool for installing and removing wing nuts. The tool includes an ergonomic, rigid handle for gripping by the hand of the user. One end of the handle includes wing nut engagement features that center the wing nut for a snug engagement by the tool. The tool is manua... | 11/13/2007 |
| 7287451 | Multiple bit screwdriver A screwdriver is provided having a handle having a first end and a second end; a front element having a bit holder, said front element aligned with said handle along an axis; a cylinder positioned between said handle and said front element, said cylinder having a pl... | 10/30/2007 |
| 7284466 | Hand tool having replaceable tips A hand tool includes a handle body, a cover having two exposing slots and a stop plate formed with a passage, and two rotation wheels each rotatably mounted in the handle body and each having an inside formed with receiving holes to receive tips and a peripheral wal... | 10/23/2007 |
| 7281455 | Tool handle with bit carrier A tool handle includes a body, a bit carrier, and an actuating member. An end of the body includes a compartment. One of two lateral sides of the body has an opening in communication with the compartment. The bit carrier is mounted in the compartment of the body and... | 10/16/2007 |
| 7281454 | Tool handle for holding multiple tools of different sizes during use A generally cylindrical shaped tool handle holds multiple sizes of tools. The handle includes one or more holding slots each positioned on one of multiple outer surface faces into which tools are inserted and held. Each holding slot includes one or more contoured co... | 10/16/2007 |
| 7275466 | Multiple-bit driver with spring-loaded actuation The driver has a number of cartridges assembled around a central axis, engaging each other along abutting longitudinal edges. Each cartridge has its own spring-loaded mechanism for extending or retracting a bit through a central axial opening of a collar at the dist... | 10/02/2007 |
| 7272995 | Jig hammer A carpenter's hammer wherein the handle portion is telescopic using two slidably mating tubes. Two optimal preset positions are made possible by means of a dual spring-nipple. At the 14.5″ stop, the jig hammer can be used to jig the position between studs for 16... | 09/25/2007 |
| 7255028 | Multi-bit precision screwdriver In one embodiment, a screwdriver having interchangeable bit bodies with permanently affixed bit heads is provided. In another embodiment, at least one transparent end cap is provided to display a bit head in an engaged position ready for use. In another alternative ... | 08/14/2007 |
| 7249543 | 4-in-1 pocket screwdriver A pocket screwdriver has an oval body portion having a hole through the width of the body portion for holding a first double-ended screwdriver bit and a shaft portion having a hole for holding a second double-ended screwdriver bit. The bits can be interchanged by re... | 07/31/2007 |
| 7243578 | Skateboard tool A multifunction tool according to the present disclosure is formed in a generally “Y” shape to provide leverage and control when the tools included in the first arm or the second arm are employed. The main stem includes a ratchet assembly for a male drive elemen... | 07/17/2007 |
| 7237458 | Ratchet screwdriver with a replaceable bit magazine unit A ratchet screwdriver includes a screwdriver body, a magazine body journalled and disposed removably within the screwdriver body for receiving a plurality of bits, and a ratchet unit disposed on a front end of the screwdriver body. A driving rod is movable in the sc... | 07/03/2007 |
| 7210879 | Universal holding frame for certain drill accessories A universal holding frame provides convenience and safety for certain drill accessories which all have an elongate drivable shaft and a mounted storage barrel. The universal holding frame maintains the mounted storage barrel against rotation with the shaft of the dr... | 05/01/2007 |
| 7207246 | Screwdriver with screwdriver head storage structure A screwdriver with screwdriver head storage structure includes a handle, a receiving unit, a clamping device and a sliding cover. The handle comprises a compartment therein. The compartment is provided with a pair of connecting blocks at respective ends. The connect... | 04/24/2007 |
| 7188555 | Multi-bit driver A multi-bit driver comprises a longitudinally oriented housing including a bit chuck at one end; a plurality of tool bits nested within said housing in a retracted position; and bit assemblies including tool bits and being operable to extend said tool bit from said ... | 03/13/2007 |
| 7182002 | Screwdriver handle structure A screwdriver handle structure includes a handle having a storage compartment. The compartment comprises a number recesses to store screw heads therein. The handle is provided with a locator having a trough to receive an engaging device therein. The handle further c... | 02/27/2007 |
| 7174814 | Tool handle having tool receiving structure A tool handle includes a handle member having a number of compartments formed in an outer peripheral portion, a number of holders rotatably received in the compartments of the handle member and each having an engaging hole for receiving a tool member, and a rotary m... | 02/13/2007 |
| 7171874 | Handle collecting structure for socket wrench A socket storage arrangement for a socket wrench includes a handle having an accommodating chamber formed therein. A pending platform includes a semi-cylindrical long rod seat body which is removably insertable into the accommodating chamber. The seat body is formed... | 02/06/2007 |
| 7156002 | Tool shaft and tool bit arrangement A tool shaft and tool bit arrangement is disclosed to include a hollow shaft, which has a hexagonal through hole through the two ends to accommodate a number of tool bits in a line, a locating block held down by a clamp in a radial through hole near the front end of... | 01/02/2007 |
| 7156839 | Multi-purpose surgical instrument A multi-instrument surgical tool for use during hand-assisted laparoscopic surgery includes a housing having a plurality of ports disposed therein which are each dimensioned to slidingly house one of a plurality of surgical instruments for selective deployment from ... | 01/02/2007 |
| 7156005 | Multiple bit hand tool with automatic bit locking The hand tool has a chuck with a central axial opening through which bits or other tool elements are selectively moved from a retracted position to an extended operative position. A mechanical element automatically engages the tool element, such that as the tool ele... | 01/02/2007 |
| 7152511 | Polychrome transparent tool handle A polychrome transparent tool handle comprises a base, an identifying member, a plug, an ear member, a plurality of arcuate members and a cladding layer. The colors of the identifying member, the arcuate members and the cladding layer are different, the handle is ma... | 12/26/2006 |
| 7146885 | Sectionless length adjustment mechanism for tool shank Disclosed is a sectionless length adjustment mechanism for the shank of a tool (e.g., screwdriver) and for releasably locking the shank in any one of a plurality of positions relative to the handle. In one embodiment the mechanism comprises a sleeve having a front f... | 12/12/2006 |
| 7134368 | Interchangeable screwdriver for tool bits A screw driver for housing and supplying bits has a housing with a elongate tube extending through the housing along the axis to a forward presentation end of the tube at which the bits are presented for use. The housing has a rotatable storage holder mounted in the... | 11/14/2006 |
| 7121173 | Tool handle self-contained a set of head tips A tool handle self-contained a set of head tips comprises a handle main body, a set of head tips, a fixing seat and a stop member. The handle main body has on its bottom a fixing hole, and has a receiving groove on a lateral side thereof. The head-tip set includes a... | 10/17/2006 |
| 7121357 | Method of inserting a grounding rod A method of inserting a grounding rod includes providing an elongated grounding rod that has an upper end and a lower end and also providing a hammer drill. An elongated tubular member has an open first end and an open second end. The tubular member includes a first... | 10/17/2006 |
| 7117560 | Handle of an adhesive-tape cutter able to accommodate articles The handle of an adhesive-tape cutter able to accommodate articles includes a lower rear shell, an upper fixing base and a lower front cover. The lower shell has a holding portion at its topside formed integral with a fixing base combined with the upper fixing base.... | 10/10/2006 |
| 7111530 | Screwdriver fast connector A screwdriver fast connector is comprised of a shank including an insertion channel, an accommodation hole with a coil, an accommodation channel, and an elastic member penetrating the shank in radius; a locking member including a steel bead; and a slide member inclu... | 09/26/2006 |