Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7066221 | Plate joiner A plate joiner including a fence support, a drive, and a fence system. The fence support includes a cutter and a contact surface, which defines a cutter slot. The cutter is arranged and configured to protrude from fence support through cutter slot to make a plunge c... | 06/27/2006 |
| 7029212 | Corner grout cutter guide An apparatus and method are provided for guiding the bit of a rotary hand tool along a corner of a work surface formed by two or more abutting surfaces, through use of a corner cutting apparatus which includes a corner cutting guide having a housing, defining an axi... | 04/18/2006 |
| 6915725 | Engraver's workstation Described is a device that is useful for allowing an engraver, or the like, to have their workpiece rotated without the need to lift their tools from the work piece, and to eliminate hesitation or stopping in the course of engraving circles, spirals, curves, or conv... | 07/12/2005 |
| 5389060 | Notching machine for cardboards The present invention relates to a cardboard notching machine which mainly consists of a body, a transmission group, a roller group, an adjustment group, and a forming group. The roller group is driven by the transmission group so as to feed in cardboards... | 02/14/1995 |
| 5305812 | Programmable woodworking dovetail machine A bench mounted machine allows an operator to produce both mating components for woodworking through and half-blind dovetails in workpieces suitable for case construction and drawer construction with computer controlled programmable flexibility to determi... | 04/26/1994 |
| 5273090 | Wood working assembly A wood working assembly for use in preparing and finishing wooden surfaces for shaping and joining wooden members with portable hand tools including a frame sub-assembly, tool support means, including means for supporting and directing a portable hand too... | 12/28/1993 |
| 5004027 | Biscuit joiner A biscuit joiner for cutting semi-elliptical slots in opposing edges of workpieces which are to be joined along those edges includes a housing adapted to be mounted upon the quill of a multi-purpose woodworking tool, which housing encloses a rotary saw bl... | 04/02/1991 |
| 4983081 | Apparatus and method for forming shiplap duct Apparatus and method of forming shiplap grooves (21, 23, 25, 26 and 28) in a duct board (12) utilizing a square (35) and measuring indicia (39). The apparatus comprises shiplap groove cutting tools (22) and (24) and an angle square (35) comprising a guide... | 01/08/1991 |
| 4969380 | Gypsum board grooving system An apparatus and method for forming a flat-bottomed V-groove in wallboard involving a pair of oppositely angled circular saws, wherein saw blades have an obtusely angled outer edge, as by grinding back one corner of each of a plurality of carbide tips on ... | 11/13/1990 |
| 4942912 | Router attachment A router attachment which is particularly useful for cutting the slots to receive standard biscuits used in biscuit joinery.... | 07/24/1990 |
| 4936360 | Moulding mitre cutting and routing apparatus An apparatus for mitre cutting an elongated moulding to produced a mitred end, and for cutting a groove in the end comprises a frame having longitudinal and lateral extent, and a laterally elongated table on the frame to receive and support a first portio... | 06/26/1990 |
| 4934422 | Bench mountable plate joining machine Disclosed is a bench mountable joining machine. The joining machine comprises machine apparatus for supporting and positioning a workpiece while making a slot-like plunge cut into a joint surface of the workpiece. The machine also includes a base member f... | 06/19/1990 |
| 4934421 | Wood cutting machine A wood cutting machine having a first saw blade adapted to cut a horizontal groove in a wood member, a second saw blade adapted to cut a vertical groove in the wood member, motive means for moving the saw blades selectively into engagement with the wood m... | 06/19/1990 |
| 4926916 | Biscuit joiner A biscuit joiner for cutting semi-elliptical slots in opposing edges of workpieces which are to be joined along those edges includes a housing adapted to be mounted upon the quill of a multi-purpose woodworking tool, which housing encloses a rotary saw bl... | 05/22/1990 |
| 4858664 | Moulding routing apparatus Apparatus for cutting grooves in moulding members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, the apparatus comprising: (a) a first base, and a first guide surface on the base to engage the back side of the moulding ther... | 08/22/1989 |
| 4741370 | Router tool A woodworking apparatus comprises a support table having a flat, circular table surface, a first power driven cutting tool mounted below the table surface having a spindle adapted to project upwardly through an orifice in the center of the table surface, ... | 05/03/1988 |
| 4720318 | Method and apparatus for making wooden I-beams A complete production line of a wood I-beam manufacturing apparatus and the method of manufacture is disclosed wherein generally identical chord members are simultaneously formed by cutting of a wooden stock material into the chord members and simultaneou... | 01/19/1988 |
| 4715415 | Moulding routing apparatus Apparatus for cutting an insert groove in a longitudinally elongated moulding having a backside and mitred end includes: (a) a first base, and a first guide surface on the base to engage the back side of the moulding thereby to position the moulding directiona... | 12/29/1987 |
| 4693288 | Universal joint maker Interlocking joints such as box finger joints and dovetail joints are made in wood parts by a combination including a body for attachment to a tool table having a guide slot in the upper surface for guiding a work feeder. The combination includes a router... | 09/15/1987 |
| 4653557 | Slot cutting machine A cross slide for receiving and locationally holding an elongate workpiece, such as a picture frame member, is supported upon a carriage which is reciprocally movable along an axis which is parallel to the longitudinal axis of the workpiece. The cross sli... | 03/31/1987 |
| 4632160 | Moulding routing apparatus Apparatus for cutting grooves in moulding members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, the apparatus comprising: (a) a first base, and a first guide surface on the base to engage the back side of the moulding ther... | 12/30/1986 |
| 4622090 | Apparatus and method for grooving a laminate sheet An apparatus and associated method for grooving a relatively rigid planar laminate sheet structure of the type having a relatively rigid substrate layer and a flexible sheet layer fixedly overlying the substrate layer to facilitate the folding of the shee... | 11/11/1986 |
| 4608902 | Measuring and cutting tool guiding device for use in the formation of fiber glass ducts A guide provides a straight edge along which a cutting tool may be guided to form V grooves in fiber glass sheet material. The guide has indicia and line markings at spaced locations thereon, selectively alignable with the edge of the last previous groove... | 09/02/1986 |
| 4593734 | Frame routing apparatus A special router for cutting an L-shaped groove in elongated frame members has an elongated cutter stem and an axis about which the stem is rotatable; the stem has substantially parallelogram cross sections in planes normal to that axis; and a cutter head... | 06/10/1986 |
| 4592401 | Method for miter jointing frames and apparatus for the implementation thereof The method for jointing frames, small pieces of furniture, drawers, with corner parts, is characterized by the successive operations: simultaneously cutting the sides of the frame to the desired dimensions; machining the halving of each corner part in a s... | 06/03/1986 |
| 4392520 | Log building construction The invention relates to a machine for end notching logs and to a method for end notching logs so that they can be incorporated into an interlocking corner configuration in a log cabin building. The corner construction is of the 1/2 dovetail configuration... | 07/12/1983 |
| 4342349 | Apparatus and method for grooving a board-like material, a grooving tool therefor and a structure made by the method Apparatus and method for forming V-shaped grooves in a board material including a grooving tool having a V-shaped leading cutting edge with a preselected included angle for cutting a V-shaped groove to a preselected depth in the board material, means for ... | 08/03/1982 |
| 4163465 | Apparatus for cutting dovetail joints A router is mounted on the back of a support plate which can be raised or lowered to a precise adjusted position with respect to a base plate such that a dovetail cutting tool cuts precision dovetail joints in wooden workpieces. Other cutting tools can be... | 08/07/1979 |
| 4133361 | Method for machining joints for miters, grooves and other joinery in a beveled or straight panel edge and apparatus for same Improved method and apparatus for machining the mitered edge surface of a composite material panel uses a multibladed cutting head rotatable about an axis of rotation that intersects the surface. The cutting blades are positioned transverse to the axis of... | 01/09/1979 |
| 4083390 | Grooving of sheet material A machine for cutting grooves in workpieces, particularly in sheet form, having at least one fixed cutter, support means for supporting the workpiece against the cutter and means for moving the workpiece relative to the cutter and support means. The cutte... | 04/11/1978 |
| 3935767 | Multiple gauging device For use in laying out duct or box-like structures, a gauging device having multiple sides, including appendages in predetermined positions, with rotatable connection means for attaching the gauge to a measuring tape (or it can be integral with a measuring... | 02/03/1976 |
