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| Number | Title | Issue Date |
| 7207242 | Universal rotary device for marking an article with ink A marking device with a reciprocating needle is disclosed. The needle is attached to a drive mechanism that is linearly reciprocated via a drive motor. The needle is contained within a removable grip tube for adjustability of the exposed length of the needle end, th... | 04/24/2007 |
| 7069758 | Metal stud punch system and a method of manufacture A portable metal stud punching system has an alignment frame with an infeed alignment port in a first side and an outfeed alignment port in an opposite side. There is a punch and die positioned within the alignment frame. A length of metal stud is inserted through t... | 07/04/2006 |
| 6973729 | Knockout punch with pilot hole locator A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the memb... | 12/13/2005 |
| 6938531 | Reciprocal-movement power tool A reciprocal-movement power tool includes a movable blade reciprocally movably provided on a main body. A receiving plate that supports an angle iron to be cut is supported on the main body at a position in front of the movable blade. The movable blade is fixed on a... | 09/06/2005 |
| 6918449 | Magnetic impact tool There is provided a magnetic impact tool comprising a magnetic hammer driven by a motor, a magnetic anvil disposed so as to face the magnetic hammer, an output shaft that rotates together with the magnetic anvil, a magnetic bypass device for distributing magnetic fl... | 07/19/2005 |
| 6772521 | Hydraulic punch driver A hydraulic punch driver which includes a hydraulic pump section a hydraulic ram section, and a hydraulic hose which connects these two sections together. Because the hydraulic hose is flexible, the operator is able to manipulate the ram section such that it can be ... | 08/10/2004 |
| 6550356 | Tattoo technology The composite battery-integrated tattooing machine totally avoids a clip cord and the drag associated with it. The new machine comprises a base frame for removably holding a needle bar housing assembly, a tattoo needle assembly removably mounted to recipr... | 04/22/2003 |
| 6505530 | Ink application device for tattooing or for making permanent make-up An ink application device for tattooing or for making permanent make-up includes a handle, a needle drive, a needle, a needle nozzle and a protective cap. The device further includes at least two modules releasably connected to one another. One of the mod... | 01/14/2003 |
| 6502491 | Sample cutting apparatus An apparatus (10) makes easier, simpler and quicker the obtention of a sample of materials for physical and/or chemical testing. The apparatus (10) comprises a housing (24) containing a ram (18), the housing (24) having an anvil end (22) and a cutting end... | 01/07/2003 |
| 6442847 | Portable punching machine A portable punching machine includes a pneumatic cylinder controlled to reciprocate a piston rod, and a punching mechanism coupled driven by the piston rod to punch holes on a metal workpiece, the punching mechanism including a locating block fixedly fast... | 09/03/2002 |
| 6401345 | Tool head for a dual punch tool A hand held hole punching device having a shaft and a main body with a device for axially moving the shaft in a reciprocating motion. The tool head is connected to the shaft and includes a fixed portion fixed to the main body to slidably engage the shaft ... | 06/11/2002 |
| 6378217 | Apparatus for punching steel studs and control circuit A portable hand-held apparatus for punching light gauge steel framing studs used in building construction to form holes of sufficient size to allow building wiring and piping to extend therethrough includes a control circuit connected to a limit switch an... | 04/30/2002 |
| 6345553 | Ink application device for tattooing or for making permanent make-up An ink application device for tattooing or for making permanent make-up includes a handle, a needle drive, a needle, a needle nozzle and a protective cap. The device further includes at least two modules releasably connected to one another. One of the mod... | 02/12/2002 |
| 6282987 | Contact bar assembly for a tattooing device A contact bar assembly for a tattooing device having a spring saddle frame comprising an arcuate contact arm supporting a contact screw for making electrical contact with the contact spring. The proximate end of the contact arm is slotted for adjustment i... | 09/04/2001 |
| 6266886 | Hydraulic punch A hydraulic punch (1) having a hydraulic ram (2) and a hydraulic pump (3). The hydraulic pump having a body (4) and a reservoir having a longitudinal axis (XX) being secured to the ram and equipped with a manual operating lever (12). The ram is articulate... | 07/31/2001 |
| 6065371 | Dual needle injection device An improved injection apparatus is disclosed comprised of a first motor and a second motor, each motor having a shaft. First and second needles are located substantially perpendicular to the first and second shafts, respectively. When the first and second... | 05/23/2000 |
| 5630277 | Portable, power driven punching machine having an aiming beam A machine having a hydraulic, single acting, spring return cylinder for moving a punch toward and away from a die in order to cut a hole in a steel frame member or the like. A laser is built into the machine for emitting an aiming beam from the punch. A h... | 05/20/1997 |
| 5598635 | Hydraulic puncher A hydraulic puncher includes a puncher body housing an actuator, a reciprocal ram shaft and a punch holder having one end rotatably connected to the end of the ram shaft. Punches are arranged in the other end of the punch holder. A C-shaped frame has an o... | 02/04/1997 |
| 5551319 | Device for marking and article with ink A marking device with a reciprocating needle. The needle is attached to an armature which reciprocates in a slot in a housing by a crank which is rotated by a motor in the housing. Vibration of the motor and tolerances between the armature and track cause... | 09/03/1996 |
| 5497555 | Electromagnetic percussion device An electromagnetic percussion device, which includes a housing and an instrument which is connected to, and which extends beyond, the housing. The device further includes a piston body reciprocatable within the housing and adapted to impact the instrument... | 03/12/1996 |
| 5416975 | Hydraulic puncher A hydraulic puncher comprises a generally C-shaped frame member having a pair of opposed ends between which a workpiece is disposed, and a hydraulic actuator fixedly connected to one end of the frame member. Provided on one end of the frame member is a ra... | 05/23/1995 |
| 5233749 | Hydraulic actuator A hydraulic puncher comprises a cylindrical casing, a pump unit including a pump and fixedly held in the casing, a cylinder chamber defined by the cylindrical inner face and the inner end face of the pump unit, a piston reciprocatingly and slidably provid... | 08/10/1993 |
| 5095618 | Mechanical force enhancer A mechanical force enhancer for the amplification of a force generated by a pneumatic cylinder that is mounted at one end of a pair of spaced apart side plates. A piston rod attached to the pneumatic cylinder is in turn connected to a translatable link th... | 03/17/1992 |
| 5035684 | Pad sander paper punch assembly and method A pad sander paper punch assembly includes a base member having three upstanding walls for locating thereon a standard size sheet of sandpaper. A plate member is then placed over the sheet of sandpaper, the plate member having locating tabs which cooperat... | 07/30/1991 |
| 4969269 | Electrical outlet cutter for walls panels A device for punching cutouts through sheets of drywall or similar wall covering sheets that are typically installed on framing members to which utility boxes are mounted. A cutting assembly is removably mounted over the utility or electrical boxes and th... | 11/13/1990 |
| 4932128 | Mechanical force enhancer A mechanical force enhancer for the amplification of a force generated by a pneumatic cylinder that is mounted at one end of a pair of spaced apart side plates. A piston rod attached to the pneumatic cylinder is in turn connected to a translatable link th... | 06/12/1990 |
| 4922615 | Punching tool The punching tool of the subject invention has a handle and a hand grip which can be rotated to any position convenient for use, so that the punching operation can be performed easily, irrespective of the shape of the object being treated. The manual hydr... | 05/08/1990 |
| 4782725 | Article identification device An identification device including a device body, a drive unit housed in the device body, a sliding dovetail shaped armature with a horizontal slot, a needle bar which is inserted into the armature and is secured by means of a spring loaded ball and screw... | 11/08/1988 |
| 4771660 | Needle holder A tattoo needle and holder assembly comprising a tubular holder having a continuous needle-supporting trough extending therethrough to its lower end, the trough being open to the user and readily adapted to receive a tattoo needle. The lower end of the tr... | 09/20/1988 |
| 4730395 | Apparatus for cutting holes for electrical wall outlets in wall covering panels A dry wall and masonary cutting tool comprised of an interior cutting box, the interior cutting box having a plurality of forward facing teeth for cutting a dry wall panel, a pair of locating nails for precisely locating the interior cutting box with resp... | 03/15/1988 |
| 4667411 | Hand-held powered gasket punch A gasket punch of the instant invention includes a frame having a grip integrally formed therewith, a piston chamber located ahead of the grip, and a die platform spaced beneath the piston chamber, also ahead of the grip. The punch includes a fluid connec... | 05/26/1987 |
| 4644656 | Method and apparatus for disassembly of a spot-welded structure A method and apparatus for removing spot welds from a sheet metal structure is shown. A fluid powered hand punch has a handpiece and an L-shaped extension forming a punch die. An elongated rod extends from a fluid piston within the handpiece to a punch bi... | 02/24/1987 |
| 4535540 | "Hole-in-one" metal punch drive unit A combination pilot drill and drive assembly for forming holes in sheet metal panels with one or more draw punches is disclosed. The assembly includes separable drill and drive units which can be cooperably engaged with one another when used to drive a pi... | 08/20/1985 |
| 4530359 | Ophthalmic perforating instrument and surgical method employing said instrument A surgical instrument for ophthalmic use comprises a rigid elongated outer tubular member which terminates in a closed distal end immediately adjoining a distal side opening. A flexible elongated wire is arranged within the outer tubular member and extend... | 07/23/1985 |
| 4389780 | Bag opening device for can openers A device for opening sealed food bags is mounted on the frame of an electric can opener. The device includes a serrated cutter wheel which is driven by the can opener motor. A guide surface on the frame guides the bag as it is being fed through the cutter... | 06/28/1983 |
| 4306356 | Punching machine A punching machine comprising a housing, a plunger having a punch at one end, and an electromechanical drive such as a solenoid carried by the housing and operatively connected to the plunger for driving the plunger in a direction along the longitudinal a... | 12/22/1981 |
| 4204438 | Tattooing device A tattooing device is provided which includes a motor housing and a needle housing secured thereto. A motor and an eccentric drive structure driven by the motor are mounted in the motor housing. In addition, a needle shaft and tattooing needle are mounted... | 05/27/1980 |
| 4159659 | Electrical marking device An electric marking device for tattooing humans, animals, and for other applications comprises a frame assembly having a rectangular prismatic base and a pair of side plates secured to opposite sides of the base, an electromagnet assembly mounted on the b... | 07/03/1979 |
