Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8172488 | Drill guide assembly for a pneumatic tire A drill guide assembly in accordance with the present invention provide a bore in a tire. The drill guide assembly includes a first slide rail for lying on the tire when the tire lies on a side and a second slide rail for lying on the tire when the tire lies on a si... | 05/08/2012 |
| 7862265 | Off-set drill guide assembly and method of drilling holes in a workpiece An off-set drill guide assembly useable with a conventional drill press or bench vice and portable power tool to drill holes in a workpiece has a body chucked to the drill press supporting a horizontal slide connected to the power tool with an adapter to locate the ... | 01/04/2011 |
| 7435041 | Hole cutting assembly for pipes and well casings A hole cutting assembly for cutting cylindrical conduits includes a base member having first and second V-shaped contact sections at opposite ends thereof. A linear base anchoring member is secured to the base member for encircling a cylindrical conduit and drawing ... | 10/14/2008 |
| 7435040 | Apparatus and method for the reaming of a hole in a work surface An apparatus and method is provided for the highly accurate reaming of a hole in a work surface. A reaming device is positioned within a base unit and positioning bracket of the present apparatus in alignment with the hole to be reamed in the work surface. The reami... | 10/14/2008 |
| 7425109 | Suctioning device for a machine tool A suction device for a power tool, in particular for a drilling and/or chipping tool, has at least one dust container and at least one suction head to be placed on a workpiece, wherein the dust container is integrated in the suction head. ... | 09/16/2008 |
| 7384221 | Machine tool The invention relates to a machine tool for introducing bores into a workpiece, said machine tool comprising a machine frame, a drilling tool holder which is arranged on the machine frame and has at least one tool spindle, and a workpiece carrier which is arranged o... | 06/10/2008 |
| 7363950 | Tilt base for a router tool The tilt base for a handheld router tool allows a router secured therein to be tilted equally in opposite directions from a position in which the rotational axis is normal to the underlying base plate and workpiece. The tilt base includes two opposed tilt clearance ... | 04/29/2008 |
| 7354228 | Drilling tool for insertion of cabling An improved drilling tool for drilling into and through walls for the purpose of inserting cabling within same, comprising a drill bit and an elongated primary shaft suitably adapted to create a chaseway within a wall during the drilling process. The elongated prima... | 04/08/2008 |
| 7347651 | Drilling device In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in suc... | 03/25/2008 |
| 7305747 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 12/11/2007 |
| 7281886 | Suction device A suction device that is used with a power drilling tool for aspirating material removable during operation of the drilling tool, and which includes a suction head (20) displaceable relative to the drilling tool (2) in a direction opposite a drilling d... | 10/16/2007 |
| 7281307 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 10/16/2007 |
| 7273332 | Method and apparatus for through-hole placement in a building structure A method and apparatus for creating a through-hole in a building structure includes selecting a first location on a first side of the building structure that will define a first opening of the through-hole; disposing a magnet at the first location; selecting a secon... | 09/25/2007 |
| 7264427 | Drill bit apparatus A drill bit apparatus having a central shaft and an annular collar mounted thereon. The central shaft is coaxially positioned within the annular collar. The central shaft has a bit end and a cutting tool end. The annular collar is spaced between the bit and cutting ... | 09/04/2007 |
| 7258513 | Depth limiting device and hole forming apparatus containing the same A depth limiting device includes a stop collar having a an open end portion and an workpiece engaging portion extending along the open end portion thereof for contacting a workpiece; a spindle extending axially through the shell, the spindle including a first end ex... | 08/21/2007 |
| 7252464 | Hydraulic stop A hydraulic stop for use in drilling or countersinking operations comprises a rotatable body for rotating a tool about its axis. A cage adapted to contact the surface of a workpiece when the tool has penetrated into the workpiece by a predetermined distance actuates... | 08/07/2007 |
| 7220084 | Power drill attachment and method for using the attachment In order to facilitate and make more ergonomic the drilling of a multitude of holes in workpieces, particularly in the assembly of large scale components, such as an aircraft body, the power drill is docked to a support by an attachment which engages and locks onto ... | 05/22/2007 |
| 7210881 | Sleeved stop for a drill bit A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one i... | 05/01/2007 |
| 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 |
| 7131796 | Drill and tap guide A drill and tap guide includes an elongated body having top and bottom surfaces, first and second sides and first and second ends. The body presents a longitudinal axis and a width dimension tapering from the first end toward the second end. A plurality of guide hol... | 11/07/2006 |
| 7128502 | Drilling guide assembly A drilling guide assembly for drilling a bore into a pipe includes a first plate and a second plate. Each of a first panel and a second panel has a perimeter edge with a bottom edge and a top edge. The panels are attached to the first and second plates such that the... | 10/31/2006 |
| 7125209 | Quick-change mechanism for use with the stationary spindle of a Davenport® automatic screw machine The present invention provides an improvement (20) in a Davenport® automatic screw machine having a stationary spindle. The improvement broadly includes a quick-change mechanism (26) associated with the stationary spindle (22). The mechanism in... | 10/24/2006 |
| 7094008 | Power driver bit self-centering and positioning apparatus A portable combined clamp and bit guide assembly guides a bit, turned by a power driver, into the exact center between the opposing faces of the clamp. The clamp is designed to hold workpieces having substantially parallel edges and a substantially linear centerline... | 08/22/2006 |
| 7070364 | Reverse chamfer and countersink tool A reverse chamfering and countersink stop tool allows the required diameter of a countersink in a workpiece to be maintained in areas that have limited accessibility for the user assembling a fastener to the workpiece. The tool controls the dimension required for pr... | 07/04/2006 |
| 7051914 | Fastening apparatus with bearing shoe and positioning plate The apparatus is intended to drive fasteners (21) for fastening a piece (20) to a support (30). The apparatus has a snout (12) equipped with a bearing shoe (14). The shoe is equipped with lateral positioning one-piece plate (15 | 05/30/2006 |
| 7025542 | Guide device for workpiece machining head, machine having the same, and guide method There is provided a guide device for a machining head capable of machining a workpiece such as a cylinder head of an engine accurately, a machine having the guide device, and a guide method. At least one of guide posts formed in a guide post member has an air pressu... | 04/11/2006 |
| 7025541 | Drilling device for frameless glasses A drilling device for frameless glasses with a drill head (34), which can be moved up and down. The drill head (34) can be inclined to either side and a holding device (50, 56, 58) is provided for the two lenses of a pair of glasses, in which ho... | 04/11/2006 |
| 7004690 | Drill build-up remover A system is provided for removing build-up on drills. The system includes a sensing component that automatically senses the size of a drill, a first component that automatically grips the sensed drill and positioning the gripped drill to a first position, and a disc... | 02/28/2006 |
| 6974284 | Cutter driving apparatus in boring machine A cutter driving apparatus has a spindle, a base, and a transmission shaft. The spindle has a cutter attached thereto. The base moves along the axis of the spindle. The spindle moves integrally with the base along the axis of the spindle. The base has a pair of supp... | 12/13/2005 |
| 6964546 | Method and apparatus for drilling countersunk holes A drilling apparatus includes a drill, a surge control device and a countersink limiter coupled to the drill, and a rotatable cutting tool coupled to the countersink limiter. The cutting tool includes a drilling portion operable to form a hole, a countersink portion... | 11/15/2005 |
| 6951562 | Adjustable length tap and method for drilling and tapping a bore in bone The present invention is directed to an adjustable self drilling tap assembly and method for drilling and tapping bores in bone for use in orthopedic procedures to treat bone. The adjustable length tap assembly includes a shaft having cutting threads for drilling ho... | 10/04/2005 |
| 6932546 | Drill stand for a portable core drill A drill stand for a portable core drill has a base plate (2) with an elongate opening (3) for securing the base plate (2) on a workpiece and with at least one reinforcing chamber (8a, 8b) that is closed along its edge... | 08/23/2005 |
| 6913427 | Adjustment device for self-colleting drill motors An adjustment device comprises a first portion and a second portion. The first and second portions are adjustably engaging one another. The adjustment device has an overall length that is adapted to be adjusted by adjusting the first and second portions relative to ... | 07/05/2005 |
| 6796753 | Tooling accessory for hand drilling A tooling accessory for use with a slightly modified hand drill to produce accurate holes includes a base plate with a central opening having a vertical member arising at 90 degrees from the perimeter of the base plate. A body of a conventional hand drill is modifie... | 09/28/2004 |
| 6712565 | Drilling device for frameless glasses A drilling device for frameless glasses with a drill head (34), which can be moved up and down. The drill head (34) can be inclined to either side and a holding device (50, 56, 58) is provided for the two lenses of a pair of glasses, in which ho... | 03/30/2004 |
| 6654997 | Rivet removal tool and method A device and method of removing a rivet which has been installed on a work piece. The method includes clamping a hand held device having springs onto the work piece, engaging a drill with a drill bit of the hand held device, the springs applying a pre-loa... | 12/02/2003 |
| 6648566 | Portable device A portable device includes at least one tool driven by a motor and provided in a housing with at least two housing surfaces at relative right angles to each other. One of the housing surfaces is arranged at a right angle relative to the tool and the devic... | 11/18/2003 |
| 6599064 | Combined dowel-hole and pocket-hole drilling apparatus A combination dowel-hole and pocket-hole drill comprising a motor/handle assembly, a pivoting platform, a fence system, and a base assembly. The motor/handle assembly includes a shoe structure enabling the motor/handle assembly to slide along grooves in t... | 07/29/2003 |
| 6516842 | Hollow chisel mortiser with a rotor for adjusting a working angle of the mortiser A hollow chisel mortiser with a rotor for adjusting a working angle of the mortiser includes a base having a recess defined in a rear end of the base. The rotor rotatably abuts and is selectively secured on the rear end of the base. The rotor includes a p... | 02/11/2003 |
| 6386802 | Hand drill and method of use A hand drill for rotating a cutter has a housing having a motor therein. The housing has a first end and a second end. A first planar surface of the housing extends between the first and second ends, the first planar surface being parallel to an axis of r... | 05/14/2002 |
