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| Number | Title | Issue Date |
| 7314353 | Pump assembly for transporting a cooling fluid A pump assembly includes a cam member arranged to rotate about an axis, and a piston pump having a cylinder body with a biased piston drivingly displaceable within the cylinder body and engageable with the cam member such that rotation of the cam member corresponds ... | 01/01/2008 |
| 7226252 | Hand-held drill leverage unit A hand held drill leverage unit for supporting, positioning, and leveraging a drill. The leverage unit has a main lever arm pivotally supported by a fulcrum unit. A drill end of the lever arm supports the drill, while an opposing, longer, handle end of the lever all... | 06/05/2007 |
| 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 |
| 7152516 | Multi-stage movement paper punch A paper punch includes a ratchet assembly received in each of the frames on a base. A handle assembly is connected to the frames. The ratchet assembly includes ratchet wheels co-rotatably connected to the driving gear which drives a rack to lower the punch head. The... | 12/26/2006 |
| 7140813 | Line boring machine An up modifier is provided which includes a bed, a modifier, a clamp, a modifier linkage system, a clamp linkage system, and a lever. The modifier is disposed below the bed and is vertically traversable thereunder. The clamp is disposed above the bed and is vertical... | 11/28/2006 |
| 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 |
| 6550129 | Portable computer numeric controlled manufacturing machines and associated methods A workpiece is assembled by removably mounting an alignment tool to a conventional wing structure so that the alignment tool holds multiple conventional strut fittings to the wing structure. A frame of a CNC manufacturing machine is moved to and removably... | 04/22/2003 |
| 6321778 | Apparatus for pipeline construction An apparatus for pipeline construction comprises a constructing means located on the lower part of the apparatus, which includes a chest and a unit for completing the operation of construction; a feeding means located on the upper part of the apparatus, w... | 11/27/2001 |
| 6309148 | Column positioning device for a drill press A column positioning device for a drill press includes a base having a post and a positioning pin respectively extending from a top of the base. The post is received in a hollow column on which a motor is connected. The column has two positioning passages... | 10/30/2001 |
| 6264405 | Method and device for drilling holes into the mantle of a cylinder or equivalent of a paper machine Method and device for drilling holes into a mantle of a cylinder of a paper machine, in particular a drying cylinder, while the cylinder is in its site of operation in the paper machine in which a drill carriage having drill bits is supported on the cylin... | 07/24/2001 |
| 6176652 | Drilling machine with vacuum suction table A drilling machine primarily employed in drilling holes in a glass plate comprises a vacuum suction table for putting a glass plate thereon, a plurality of fasteners to fasten vacuum suction table on the glass plate, an adjusting screw for precisely posit... | 01/23/2001 |
| 6122815 | Circuit board stiffener and method of attachment to a circuit board A rigid bar of material is fastened to a circuit board to increase its stiffness. The bar is preferably a high modulus plastic such as liquid crystal polymer. Flexible fingers which surround a central opening are formed integrally with the bar and pop int... | 09/26/2000 |
| 5924436 | Connecting construction of branch pipe and connecting method thereof A connecting construction of a branch pipe is disclosed. The construction includes a branch-pipe joint fixed to an outer peripheral face of an existing pipe and attached to a passage forming member for forming, between the passage forming member and the o... | 07/20/1999 |
| 5659935 | Apparatus for installing a branch tapping on a pipe The apparatus enables a saddle-shaped parallel connection tapping to be installed on a pipe from the top of a hole in the ground. The apparatus comprises a frame having a tipping thrust device in the form of a spade controlled by rodding and designed to t... | 08/26/1997 |
| 5632577 | Drill for drilling rails and track rigs for railroad applications Drill for drilling rails and track rigs, in railroad applications, including a body which supports a motor driving a drilling tool through a reduction unit. Elements are provided for the translatory motion of the drilling tool with respect to the body. Th... | 05/27/1997 |
| 5348428 | Underfloor drilling jig and frame An underfloor drilling jig comprises a fixed outer frame 28 and an inner frame which slides within. A standard electric drill 10 is clamped to this inner frame in a vertical position with an angled gear-box 11 attached below. An adjustable lever assembly ... | 09/20/1994 |
| 5322397 | Apparatus for supporting a drill in an elevated position A supporting apparatus for supporting a drill in an elevated position, the drill including a drill chuck having an axis of rotation, the drill being supported by the supporting apparatus such that the axis of rotation of the drill chuck is orientated subs... | 06/21/1994 |
| 5314271 | Portable drill guide A guide mechanism and a portable drill are coupled together to define a portable, hand-operated drilling device. The drilling device includes a replaceable back-up fixture for engaging a first side of a workpiece and a drill support which adjustably and r... | 05/24/1994 |
| 5193949 | Arrangement for driving a rotary tool An arrangement for driving a rotary tool is provided in which the tool shank is engaged and frictionally driven by the engagement of three or more drive rollers. Axial movement of the tool is accomplished by tilting the axes of the rollers as permitted by... | 03/16/1993 |
| 5112166 | Self-indexing power feed rib bolt drill The invention relates to a drilling apparatus that can position a drill at the precise center between two overlapping flanges and clamp at that position while a self feeding drill drills a hole.... | 05/12/1992 |
| 5059071 | Hinge installation tool A hardware installation device for boring or drilling wood, plastic or metal and is more particularly concerned with providing a precise location of pilot holes for attachment screws and material removal by boring or drilling means.... | 10/22/1991 |
| 4911587 | Drilling machines A drilling machine for drilling holes in the ends of rails for a railway track to receive fishplate bolts, has a base 12 on which is provided a former 20 adapted to the profile of the rail 10. A clamping jaw 18 is connected by a clamping mechanism 16 for ... | 03/27/1990 |
| 4890962 | Portable positive feed drill A drill spindle (62) is carried by the forward end of an elongated gear housing (12, 14). A parallel drive shaft (84) is carried by the housing (12, 14) rearwardly of the spindle (62). A parallel lead screw (92) is positioned between the spindle (62) and ... | 01/02/1990 |
| 4736804 | Overhead drill jig An adjustable drill jig for drilling holes in an overhead work surface such as a ceiling by an operator standing on the floor. The device is portable and easily moved from one work area to another by one person. It may readily be adjusted from the floor t... | 04/12/1988 |
| 4717291 | Automatic countersink depth control tool for fastener installer An automatic countersink depth control tool and a combination of the same with an installer for fasteners having countersink heads. The tool has a nonrotatable stop (76) for limiting the depth of a countersink drilled in a fastener hole. The stop (76) is ... | 01/05/1988 |
| 4679969 | Positive feed drill clamp system A power drill system is disclosed which is hand held and manually operable. The drill system includes a drill and a positive feed unit for the drill connected thereto. A clamping member is connected at a lower portion thereof to a housing for the drill an... | 07/14/1987 |
| 4523882 | Drill press with overhead mount A drill press includes an overhead mount for supporting a power-operated drilling unit from an existing structure at locations above a work area, thereby enabling the accurate drilling of holes in large workpieces. An upright member is attached to one por... | 06/18/1985 |
| 4501519 | Threading die couple A tool couple which is used with a manually-operated threading die to aid in cutting the initial threads on a pipe or bolt. The device is used to force the anterior cutting edge of the die firmly against the outer, unthreaded surface of the workpiece at t... | 02/26/1985 |
| 4442905 | Jig assembly for drilling vertically upward A lightweight portable jig assembly for supporting a power drill and for advancing and retracting the drill towards and away from an overhead workpiece comprises a carriage having a first tubular portion slidable on a tube standard and a second tubular po... | 04/17/1984 |
| 4369845 | Oil well blow-out control A tool jig for bringing an implement to bear on an inner tubular 10 of a multi-tubular blown well includes a support 1 attachable to the outer tubular 2 and a tool holder 12. The tool holder has a hollow bore and a valve 24. At its rear end the tool holde... | 01/25/1983 |
| 4301699 | Drill actuating mechanism A link is pivotally connected at one end to the collar which is clampingly engaged with the quill of a machine tool. The other end of the link is pivotally connected to one end of a lever arm. At an intermediate point, the lever arm is engagable with a co... | 11/24/1981 |
| 4235565 | Precise dowel joint woodworking device The present invention discloses a portable precise dowel joint woodworking device for drilling holes in a woodwork piece. The device comprises a horizontally slidable power drill mounted on a base, a handle pivotably attached to a drill, a hold-down lever... | 11/25/1980 |
| 4036674 | Fabric repair tool A repair tool for performing quick, inexpensive and almost invisible repairs on fabrics which have been subjected to local damage. The tool comprises a base plate having core pins and ring pins projecting upwardly therefrom. An annular holding ring overfi... | 07/19/1977 |
| 3967687 | Curb drain hole drill A drill apparatus for providing a drain hole in curbing comprises a core drill mounted for longitudinal movement along a horizontal post held between a drill frame and a hooking member positioned in hooking relation with the curb. The horizontal post is t... | 07/06/1976 |
| 3954347 | Drilling machine An improved drilling machine for cutting holes for knobs and latches in metal-clad doors comprises a supporting framework for the door and a hollow drill arranged to be moved upward from the underside of the door to cut the knob opening. The drill is holl... | 05/04/1976 |