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| Number | Title | Issue Date |
| 7059812 | Portable, hand-held multiple bit drill A portable hand-held multiple bit drill imparts a set of linearly aligned work areas of a work piece, which work areas are respectively and simultaneously drilled by the respective drill bits. A rotary power source communicates with a hand-held body holding a plural... | 06/13/2006 |
| 6447225 | Spindle assembly drive A spindle assembly, with improved belt drive, is suitable for a multi-axis machining cell providing tool movements along predetermined axes of motion, such as the X-, Y- and Z-axes. Plural machining spindles, each provided with a driven pulley, are mounte... | 09/10/2002 |
| 5344259 | Method and device for drilling of holes into a mantle of a cylinder in a paper machine A method and device for drilling holes into a mantle of a cylinder used in a paper machine are disclosed. The drilling device includes a base frame and a spindle box displaceable on support of the base frame towards a cylinder mantle to be machined. The s... | 09/06/1994 |
| 5122134 | Surgical reamer The cutting head for a surgical reamer has a leading end for insertion into a bone canal and a trailing end for attachment to a drive shaft. The cutting head has a cutting surface formed about an axis of rotation of the cutting head. The cutting surface i... | 06/16/1992 |
| 5085543 | Hinge/door drill This hand tool is a portable tool, to be used on a construction site to drill pilot holes for the standard 41/2" hinge used on doors in the majority of commercial buildings. It's light-weight, small and powered by any 3/8" drill motor. Base of tool is use... | 02/04/1992 |
| 4913599 | Drill for flexographic plates and negatives A drill (10) for flexographic plates and negatives includes a table (15) movable in a Y direction under a drill bar (30), and a pin bar (25) movable in an X direction on the table so that negatives can be supported on the table, moved to an appropriate po... | 04/03/1990 |
| 4872788 | Multi-spindel drilling machine A multi-spindle drilling machine for simultaneously drilling a plurality of holes, in particular suitable for drilling a plurality of tiny, closely-spaced holes, comprising a drivable drive wheel coacting with a plurality of friction wheels, each connecte... | 10/10/1989 |
| 4701082 | Multipurpose machining unit In a multipurpose machining unit with pneumatic spindle feed, driving is performed, starting from a motor unit (12), directly or via a flexible shaft (9). An interchangeable gear set (4) makes it possible to select the number of revolutions of the tool in... | 10/20/1987 |
| 4674925 | Gang drill and method for clearing patterns of holes in tubular members A gang drill head having a row of drills spaced according to repeated patterns of holes in a tubular member such as a suction roll in a paper-making machine which are clogged and are to be cleared by drilling the same, the drill head being guided for long... | 06/23/1987 |
| 4645391 | Work set up method and apparatus A work set up method and apparatus is disclosed for use with tape controlled machine tools including quick connect ball locks which accurately lock one or more fixtures and workpieces to a work table. The tape is indexed with one ball lock and controls th... | 02/24/1987 |
| 4147461 | Multiple spindle drilling unit A multiple spindle machine comprising a drive unit having a plurality of drive shafts rotatable from a motor over speed change gears and a drilling head unit carrying a plurality of tool spindles connected by universal joint shafts to coupling elements wh... | 04/03/1979 |
| 4102592 | Multiple spindle inclined drilling machine A multiple spindle inclined drilling machine includes a base having a bed inclined at an acute angle and with guideways upon said bed. A slide is reciprocally mounted upon said ways and is connected to a piston rod of a cylinder assembly mounted upon said... | 07/25/1978 |
| 4061437 | Pilot hole borer A manually operable boring apparatus powered by compressed air drills precisely located pilot holes in cabinet doors to assist in the installation of apertured cabinet hinges. Upon the command of an operator, the hole boring apparatus causes a drill assem... | 12/06/1977 |
