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| Number | Title | Issue Date |
| 7806637 | Positive-feed machine tool permitting a clearing operation A tool, such as a pneumatic tool, includes a casing, tool-holder spindle extending along an axis, and a drive mechanism for the tool-holder spindle. The mechanism uses a first member for driving the spindle in rotation about its axis and a second member for driving ... | 10/05/2010 |
| 7441993 | Making connections to pipes under pressure Methods and apparatus for making connections to pipes and pressure vessels while they are under pressure employs a first drive mechanism for delivering a cutting tool to the pipe or vessel wall and a second separate drive mechanism for powering the movement of the c... | 10/28/2008 |
| 7326008 | Servo tapping unit with built in shock protection A servo motor in die tapping unit provides built in shock protection for the motor by fixing a shock plate to the servo motor and floatingly mounting the shock plate to a base structure attachable to a stripper plate in a press. Sets of opposing springs allow moveme... | 02/05/2008 |
| 7270194 | Drilling machine with pneumatic control A pneumatic drilling machine is provided, comprising a pneumatic motor, a circuit for connecting the motor to a source of compressed air, a tool holder spindle, and a drive mechanism. The drive mechanism comprises a coupling shaft which can be moved to select a firs... | 09/18/2007 |
| 7192223 | Servo motor die tapping unit A servo motor driven tapping unit for in die installation has a tap holder pitch adapter assembly mounted for removal while the unit is in the die to facilitate tap and pitch adapter replacement. In one embodiment, the tap holder pitch adapter assembly extends trans... | 03/20/2007 |
| 7137762 | Device for tapping conduits A device for tapping a conduit, which conducts a flowing fluid, comprises a housing, which has a principal part, a fixing part running flush with the principal part for fixing to the conduit and an outlet part for discharging fluid from the tapped conduit. A rotatin... | 11/21/2006 |
| 7124837 | Pneumatic motor trigger actuator A pneumatic motor trigger actuator includes a trigger housing adapted to engage a pneumatic motor trigger of a pneumatic tool. A top plate is coupled to the trigger housing. A primary valve is coupled to the top plate and has an open configuration and a closed confi... | 10/24/2006 |
| 7066690 | Apparatus for repairing vehicle axles A boring apparatus and method for in-situ repair of motor vehicle axles includes a universal mounting plate assembly for attachment to a vehicle axle, both longitudinal (on-axis) and transverse (radial) adjustment assemblies, a bearing assembly and a boring bar and ... | 06/27/2006 |
| 7048479 | Machine tool apparatus A machining tool has a tool holder aligned on an axis of rotation β of its shaft, which axis β is oblique to the axis of rotation of a spindle at a predetermined angle θ. Accordingly, the machining tool may perform oblique machining of a workpiece. A power transm... | 05/23/2006 |
| 7048077 | Drilling machine with pneumatic control A pneumatic drilling machine is provided, comprising a pneumatic motor, a circuit for connecting the motor to a source of compressed air, a tool holder spindle, and a drive mechanism. The drive mechanism comprises a coupling shaft which can be moved to select a firs... | 05/23/2006 |
| 7020942 | Portable boring and welding machine A portable boring and welding machine includes a tool shaft adapted to mount tools for boring and welding workpieces. The shaft extends along an axis and is driven by an electric motor. The motor and the shaft are connected by a helical gearwheel and worm pair, the ... | 04/04/2006 |
| 6922933 | Primer removal tool A primer removal tool comprising a starter tap, a holder for the starter tap, one or more setscrews passing through the holder and against the starter tap for securing the starter tap in the holder, a handle, a spacer bushing connected to the center of the handle, a... | 08/02/2005 |
| 6802678 | Tapping unit In a tapping unit according to the invention, the tap is held in a tap-carrier which is screwed into a pattern retained and fixed against rotation in a casing. The tap, the tap-carrier and the pattern form a subassembly mobile with limited amplitude in axial transla... | 10/12/2004 |
| 6601605 | Locking end cap An end-cap lockingly securable to the end of the pipe at the same time a secondary action such as a branch line is formed to the main pipe line. The end cap housing has an integral branch forming member to allow a user to lock the end cap to the pipe by f... | 08/05/2003 |
| 6565293 | Pneumatic machine tool A pneumatic machine tool includes a telescopic spindle having a drive shaft driven in rotation by a pneumatic motor. A hollow shaft is slidingly mounted on the drive shaft. A tool holder is associated with the hollow shaft and is driven in translation by ... | 05/20/2003 |
| 6551034 | Drilling apparatus for tapping into a fluid containing vessel A drilling apparatus for tapping into a fluid containing vessel from a valve device connected with the vessel. The apparatus is comprised of a housing having a lower end adapted for attachment of the apparatus to the valve device, the housing defining a h... | 04/22/2003 |
| 6547496 | Die tapping unit An in-die tapping unit for a press in which two ball screw mechanisms are driven by closing motion between two housing pieces caused by press actuation. Both ball screw mechanisms rotate a central drive gear which causes rotation and axial advance of a pi... | 04/15/2003 |
| 6510865 | Tap and saddle for forming a hinged coupon A hollow tap having an axially outward extending cutting tooth so that when the cutting tooth is brought into rotational pressure engagement with a resilient tubing the cutting tooth cuts a hole partially through the resilient tubing leaving a coupon hing... | 01/28/2003 |
| 6322298 | Tapping unit Within the hermetically sealed interior of a housing 9, a driving bevel gear 15 is fixedly secured to an input shaft 12 coupled via a rotation transmission cable 5 to an output shaft of a drive unit. A spindle 19 rotates jointly and coaxially with the dri... | 11/27/2001 |
| 6305446 | Cutting machine A cutting machine comprises first (10) and second (12) work piece support means, said means including opposed surfaces operable to grip a work piece and move it in a controlled manner in a first dimension, and first (14) and second (16) cutting tools disp... | 10/23/2001 |
| 6231278 | Differential positive feed mechanism A differential positive feed mechanism that is coupled in-line or axially with a drill, reamer or cutter for use in limited access areas and feeds the tool into a workpiece when driven by an external rotary power source.... | 05/15/2001 |
| 6105595 | Method, system, and apparatus for automatically preventing or allowing flow of a fluid An automatic fluid valve (25) includes a drive member (32) having an aperture (43) and a driven member (54). The automatic fluid valve (25) also includes at least one torque transfer member (38) for transferring torque from the drive member (37) to the dr... | 08/22/2000 |
| 6019551 | Extracting system and method An extractor comprising (a) a frame being configurable in an extracting position having a front and back orientation; and (b) an extractor assembly mountable to said frame for imparting a backward urging force against a drill bit lodged within said object... | 02/01/2000 |
| 5951221 | Apparatus for in-pipe use Apparatus for cutting a hole through a plastic liner in a gas or other main comprises a body forming module of a train of modules adapted to travel through the main. The body has a radially movable platform carrying a cutter. The platform has four cams en... | 09/14/1999 |
| 5908271 | Machining spindle A telescopic spindle for a machine tool. The spindle has a sleeve at its rear end and the end of the spindle can slide inside the sleeve over a "compensation" stroke C1, the sleeve being capable of entering inside the body of the machine to travel over a ... | 06/01/1999 |
| 5352070 | Supplemental apparatus for a hand-held power drill Supplemental apparatus for a hand-held power drill that uses the rotational movement of the drill for both rotating a drill bit and advancing the drill bit into the work piece. In one form the illustrated apparatus comprises a separate attachment that inc... | 10/04/1994 |
| 5350259 | Portable boring machine A portable boring machine comprises a casing (1) at the interior of which a boring spindle (4) is rotatably supported and axially movable, wherein normally to the axis a number of through-holes (5) are machined, being parallel and spaced for housing, in a... | 09/27/1994 |
| 5282704 | Portable drilling apparatus Portable drilling apparatus provided with a support by means of which it can be secured to a work member and mounting means for a cutting tool including a mounting member having a vertically extending elongate part within which a drive spindle is rotatabl... | 02/01/1994 |
| 5250007 | Method and apparatus for forming threads with variable pitch Apparatus and methods for forming a thread of varying pitch by utilizing a threading assembly which includes a plurality of threading elements having thread cutting or forming portions on the different elements for engaging the work piece at different loc... | 10/05/1993 |
| 5248230 | Device for tapping within die A device for tapping within die comprising a power guide means, a transmission means and a tapping means in which the power guide means can transmit power from horizontal displacement of a rack via a gear train in the transmission means to drive a rotatin... | 09/28/1993 |
| 5238338 | Machining device operating inside a canalization A machining device is described which, after an old mains conduit has been decontaminated, that is, after it has been covered with a fluid-tight sheath, permits the obstructed secondary branches to be restored from inside the conduit. This device is made ... | 08/24/1993 |
| 5173015 | In-die tapping tool An in-die tapping tool having particular application to a progressive die method for threading holes in a sheet metal workpiece. The tapping includes a transmission system comprising a threaded shaft assembly and a planetary roller nut. The roller nut is ... | 12/22/1992 |
| 5157822 | Plate working machine A plate working machine comprising a metal plate supporting table (1), a pair of rails (2, 3) extending along the sides of the table (1), a driven support means (4) for travel along the rails (2, 3), said support means comprising a spaced pair of support ... | 10/27/1992 |
| 5149232 | Mechanical peck drill A mechanical pecking method and device is provided wherein a spindle adapted to hold a tool such as a drill bit is mechanically reciprocated in a workpiece. Also provided is a control system and method for controlling the mechanical reciprocation of the s... | 09/22/1992 |
| 5100271 | Tool driving unit A tool driving unit for moving a tool in axial direction thereof and for rotating the tool about its axis. The tool driving unit comprises a spindle supported in the housing frame, a tool chuck mounted on the one end portion of the spindle for holding the... | 03/31/1992 |
| 4948308 | Automated limited access drilling system A drill tool is mounted to a robotic arm and is capable of operating in limited access space. The drill is driven by a motor shaft capable of exhibiting simultaneous linear and rotational motion. A right angle drill head is slidably mounted to a support a... | 08/14/1990 |
| 4932814 | Portable line boring machine A portable line boring machine has a rotatable boring bar on which a tool bit is mountable. A first drive mechanism rotatably drives one end of the boring bar. A second drive mechanism linearly drives the first drive means and the boring bar along the lon... | 06/12/1990 |
| 4911588 | Tapping apparatus A tapping apparatus in accordance with this invention includes a frame, a spindle mounted on the frame for rotation and axial movement and provided with a tap coupled to one end thereof, the spindle being driven by a driven source, an external thread sect... | 03/27/1990 |
| 4902174 | Main line tapping apparatus An apparatus for tapping live pipes includes an adaptor for affixing to a pipe, the adaptor including a valve for closing off any opening cut into the pipe. The internal drive shaft has a plurality of transverse apertures spaced apart along its length, so... | 02/20/1990 |
| 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 |
