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| Number | Title | Issue Date |
| 7802367 | Fence post tool This fence post tool makes an opening in a fence post to receive a fence rail. The tool includes a threaded first member received within the hollow fence post and having an elongate handle to manipulate the first member into position adjacent a predrilled pilot hole... | 09/28/2010 |
| 7587830 | 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... | 09/15/2009 |
| 7441488 | Journal notebook binding machine A dual function binding machine for making journal notebooks at home includes a hole punching mechanism and a binding mechanism. A punch die includes a plurality of rectangular punch teeth in a graduated configuration to minimize the amount of force required to pene... | 10/28/2008 |
| 7332268 | Layered support sheet for high-yield spot cutting from gels or membranes The excision of sample spots from a gel or membrane by pressing a cutting tool terminating in a hollow cylinder against the gel or membrane supported on a rigid surface is made more reliable by interposing a relatively pliable, intermediate layer on the side of the ... | 02/19/2008 |
| 7284332 | Punch device and system comprising same A hole center marking system comprises a punch device and an alignment member. The punch device includes a body assembly and a punch movably disposed within the body assembly. The body assembly has a circular cross-sectional exterior shape at a first end portion the... | 10/23/2007 |
| 7228776 | Punch assembly A Punch Assembly and the method of use thereof is disclosed. Also disclosed is. The device is designed to be accepted within the chuck of a powder-actuated tool. The device can create a hole in steel decking when the device is shot into the decking by a powder-actua... | 06/12/2007 |
| 7208000 | Surgical cutting device The present invention provides a single-use surgical cutting device for cutting a planar piece of tissue into a predetermined shape. The cutting device comprises a housing having one or more side walls, a top, a base, and a hollow interior portion. A blade retaining... | 04/24/2007 |
| 7175297 | In-grade light fixture with leveling and alignment mechanisms, installation features and anti-condensation valve An in-grade light fixture, comprising a below grade light fixture having a light opening substantially at grade level. An optical chamber is arranged within the light fixture housing and holding a light source generating light that passes through the light opening. ... | 02/13/2007 |
| 7146738 | Hole puncher A hole-puncher having a roller module with knife protrusions and a mold module roller which are pivotally mounted to mouth sections of the hole-puncher. The knife protrusion roller module is provided with knife head protrusions of various sizes and at least a punchi... | 12/12/2006 |
| 7100373 | Hydraulic tool A hydraulic tool is provided with a spool valve 24 for changing the flow of a working fluid pressurized by a hydraulic power generating mechanism in a hydraulic circuit. The spool valve 24 is slidable in directions perpendicular to a piston rod 18 | 09/05/2006 |
| 7011009 | Magnetically aligned hole punch A punching device for punching paper and like sheet material contains an upper frame, a cooperating upper magnetic base supporting the upper frame, and a punch rod slideably disposed within the upper frame, and passing through a clearance hole formed in the upper ma... | 03/14/2006 |
| 6981327 | Two piece punch with pilot hole locator A two piece punch is provided for use in a punch assembly. The punch includes a generally disc shaped cutter and a cylindrically shaped nut. The punch is assembled by passing a portion of the nut through an aperture in the cutter. The punch is mounted to the remaind... | 01/03/2006 |
| 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 |
| 6932358 | Quick change endform tool cartridge A quick change tool cartridge for high production endform machines having a plurality of work stations mounted upon an indexable rotary head. The tool cartridge system is mounted upon the tool support by quick connect radially movable elements or pins radially displ... | 08/23/2005 |
| 6823764 | Apparatus for boring stoma wafers An apparatus for boring stoma wafers is provided, which comprises a base and a cutter, and enables even a user himself to easily make in a stoma wafer a substantially elliptic hole having a beautiful inner circumference. The base comprises an upper base member on wh... | 11/30/2004 |
| 6796161 | Fastening device of a punch assembly for a pneumatic tool A fastening device of a punch assembly of a metal-work pneumatic tool including a threaded rod on a front end of a body of the pneumatic metal-work tool, and the threaded rod is connected, by means of threads, with a punch assembly. The punch assembly has a threaded... | 09/28/2004 |
| 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 |
| 6705793 | Binder with hole punch A binder for receiving and retaining loose leaf papers comprising a cover, a binding mechanism coupled to the cover, and a hole punch coupled to the cover. The hole punch is configured to punch a set of holes in a sheet of paper such that the binding mechanism can b... | 03/16/2004 |
| 6484408 | Cutting device A hole cutting device comprises a spike for driving through a sheet of material; at least one handle located on the spike at an end opposite to that of the tip of the spike; a first cutting member located on the spike and substantially adjacent the handle... | 11/26/2002 |
| 6457243 | Tool chuck for a hand-held power-driven punching machine or the like A punching machine has a power-driven plunger to which a punch is chucked to be driven into and out of a die for perforating sheet-metal work. The plunger has a punch socket formed centrally in its end for receiving the shank of the punch, and a plurality... | 10/01/2002 |
| 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 |
| 5771590 | Manual venting and cutting apparatus for ostomy pouches A manual gas venting and cutting apparatus for use in cutting an opening in and manually venting gas from the interior of a conventional unvented ostomy collection pouch includes a valve assembly having an open position, which permits gas to pass therethr... | 06/30/1998 |
| 5727436 | Draw punch having relieved helical working faces A draw punch of the type used for cutting holes in various materials such as sheet metal has a cylindrical body with a central bore through it and a cutting edge at the outside diameter of the body. A working face is defined at one end of the body between... | 03/17/1998 |
| 5433007 | Self-centering impact hand tool A self-centering impact hand tool 10 has a forward tool member 14 with an elongated forward tool body 15 extending from a tool tip 17 to an anvil surface 19 at a rear end 18. The hand impact tool 10 has a plunger member 40 with an elongated forward end 44... | 07/18/1995 |
| 5208985 | Cue tip conditioning device and method A cue tip conditioning device and method is disclosed which includes a circular array of pins surrounded by a casing which may be manually held to tap the sharpened ends of the needles against the surface of a cue tip. A beveled surface allows the rounded... | 05/11/1993 |
| 5029392 | Two point punch This is concerned with a punch sometimes referred to as a draw punch which is constructed and arranged for enlarging holes in a large variety of materials, such as sheet metal, for example in junction boxes and the like where large tools cannot be used. M... | 07/09/1991 |
| 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 |
| 4951395 | Drywall die-cutting for electrical outlet boxes The drywall die-cutting tool is comprised of a female plate having a center opening outlining a given size and shape with four corner holes to receive the legs of the extracting mechanism, and a male plate, being the cut-out of the female plate. The male ... | 08/28/1990 |
| 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 |
| 4905557 | Non-circular slug splitter punch The punch comprises peripheral cutting edges and lateral cutting edges. The peripheral edges cut a slug in the desired shape, for examples, rectangular, square, oval, trapezoidal, D and double D-shaped, etc. while the lateral edges cut transversely from o... | 03/06/1990 |
| 4899447 | Panel punch The panel punch includes a main punch configured to punch a trapezoidal opening in an electrical panel to receive an electrical chassis connector and a secondary punch integral with the main punch and extending from opposite ends thereof configured to pun... | 02/13/1990 |
| 4823468 | Tool for center-punching and scribing workpieces A tool which has spacer sleeves displaceable on a center punch and hollow shafts are adjacent to one another is intended for rapidly and precisely finding the center of holes and the longitudinal center of slots and channels, so that center marks and line... | 04/25/1989 |
| 4793063 | Punch gun An explosive actuated hand tool for cutting clean holes in sheet material, wherein the explosive force causes a piston to pull a punch toward a die, the material being located between the punch and die. Convenience and safety features include means for ar... | 12/27/1988 |
| 4786215 | Portable hydraulic punch An apparatus for punching a plurality of predetermined spaced mounting holes in a building roof panel support member includes an elongated housing having an oil sump therewithin, a hydraulic pump together with an electric motor for actuation thereof mount... | 11/22/1988 |
| 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 |
| 4724616 | Panel punch The panel punch includes a main punch configured to punch a trapezoidal opening in an electrical panel to receive an electrical chassis connector and a secondary punch integral with the main punch and extending from opposite ends thereof configured to pun... | 02/16/1988 |
| 4674187 | Pool light installation device A pool light installation device is provided which quickly and easily cuts holes in the walls of above-ground pools. A cutting plate and a cutting base member are placed one on either side of the pool wall at the chosen location, joined together by a thre... | 06/23/1987 |
| 4597180 | Hydraulic punch tool for heat exchangers A punch tool is disclosed for puncturing the walls of heat exchanger tubes when they become worn in order that the tubes may be repaired. Said tool comprises a hardened, longitudinally drilled, steel rod that is able to fit within the heat exchanger tube.... | 07/01/1986 |
| 4594779 | Punch and die adapter The adapter member includes a threaded male portion adapted for threadable engagement in a threaded bore of the punch and a threaded female portion of smaller diameter adapted for threadable engagement with a small diameter threaded end of the draw stud w... | 06/17/1986 |
| 4543722 | Slug-splitting punch A male punch member is disclosed for use with a female die member to remove a slug in two pieces from a sheet metal workpiece. The working end of the punch member is specially configured to enable punching and splitting of a slug into two pieces from a wi... | 10/01/1985 |
