Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7373710 | Toolbox apparatus to which power tools may be mounted to provide a workstation A portable toolbox has a compartment closed by a lid, the lid being configured to mount a powered saw module to an inner face thereof such that the saw blade extends from an outer side of the lid which provides a flat sawbench. The toolbox is used with powered hand ... | 05/20/2008 |
| 7254931 | Method and system for creating mailpieces from a single continuous web of printed material A method for creating mailpieces from a single web of printed material. The web of printed material includes a continuous web having a width and a length, the length comprised of a series of attached sheets. The series of attached sheets is comprised of envelope she... | 08/14/2007 |
| 7220085 | Universal jig/work holding fixture and method of use A universal jig/work holding fixture for precision manual reaming of valve bores within a transmission valve body, or other work piece is disclosed. The universal jig/work holding fixture includes a tool holder (i.e. jig) having universal swiveling movement in all a... | 05/22/2007 |
| 7165300 | Portable pocket cutter A portable pocket cutter employs a shaping assembly and a boring assembly, connected via a frame and coupling assembly, for constructing a pocket joint in a workpiece. The frame is at least partially supported upon a workpiece. The shaping assembly is pivotally conn... | 01/23/2007 |
| 6964286 | Attachment fixture for manufacturing elliptical arches using a single-pass radius molding system The present invention is an attachment fixture that is used in conjunction with a single-pass radius molding system to manufacture elliptical arches. The attachment fixture includes a vertical beam, a horizontal self-centering rack mounted at top end of the vertical... | 11/15/2005 |
| 6629549 | Lathe attachment for a portable bandsaw mill The present invention consists of a lathe attachment for installation on a portable bandsaw mill, for turning round shafts from wood blocks on the portable bandsaw mill. The lathe attachment has an elongated chassis, a tailstock and a headstock mounted on... | 10/07/2003 |
| 5676497 | Power drill-saw with simultaneous rotation and reciprocation action The invention disclosed herein is a simple but versatile sawing device for effectively and efficiently cutting or sawing hard solid materials. A driving mechanism consisting of three slidably-associated elements converts a rotational force into a dual rot... | 10/14/1997 |
| 5607265 | Reciprocating attachment for hand drills A device to change the rotation of a shaft such as in an electric hand drill to the reciprocating motion necessary to power a saw blade. The reciprocating attachment has a grooved shaft and saw blade holder connected by a bearing all of which are containe... | 03/04/1997 |
| 5511912 | Hand tool attachment An attachment for a hand tool for converting rotary motion to reciprocating motion to an air bathed tool holding chuck.... | 04/30/1996 |
| 5413158 | Radial arm saw mortising adapter A simplified mortising adapter for converting a conventional radial arm saw, or other power tool having an arbor, into a mortising tool. The adapter includes a base plate and a drive spindle rotatably mounted to the base plate for connecting to the radial... | 05/09/1995 |
| 4872518 | Power chainsaw-ice auger conversion apparatus A conversion apparatus for use in combination with a chain saw is set forth wherein a housing includes a rotatable shaft for attachment of a left-hand helical flight ice auger wherein the shaft includes a plurality of bearings secured within either side o... | 10/10/1989 |
| 4830069 | Woodworking machine A multiple use woodworking machine having a multiplicity of working stations in which different operations can be performed simultaneously, if so desired. This machine is characterized by simplicity, convenience and versatility, providing within the bound... | 05/16/1989 |
| 4784192 | Portable radial arm machine with an adjustable overall dimension A portable radial arm machine having two principle components. The machine is easily disassembled and quickly assembled in either a working mode or in a compact portable mode having the characteristics of a piece of luggage so that the machine can be tran... | 11/15/1988 |
| 4520563 | Chain saw extension attachment A reciprocating saw attachment for a chain saw whereby the rotating chain saw drive converts the attachment to reciprocating movement to operate a saw blade longitudinally remote from the chain saw tool. It comprises a guide bar having one end formed to r... | 06/04/1985 |
| 4487271 | Portable core drill A portable core drill adapted for sampling dense mineral specimens or the like by urging a fluid cooled/lubricated tubular drill bit into a dense mineral mass from which a sample is to be extracted is comprised of a drive member for imparting a drilling-e... | 12/11/1984 |
| 4470438 | Radial arm saw mortising adapter A mounting for use on a radial arm saw for use in cutting an accurate mortise. The chain saw is mounted on a bar adjustably attached to a plate which in turn has a bracket for clamping onto the housing of a motor of a radial arm saw. A drive for the chain... | 09/11/1984 |
| 4463785 | Router adapter for radial arm saw A router adapter is provided for use with a radial arm saw for converting same into an over-arm router which adopter comprising a mounting plate detachably engageable upon an arm of the saw motor supporting bracket or yoke for swingability with the carria... | 08/07/1984 |
| 4454898 | Router bracket A router bracket for attaching a router to a radial arm saw or other device having adjusting and positioning mechanisms, comprising an L-shaped bracket frame wherein the horizontal leg is bolted to the drive shaft of the radial arm saw motor or correspond... | 06/19/1984 |
| 4363577 | Apparatus for converting power chain saw into a boring tool An apparatus for converting a power chain saw into a boring tool is disclosed and consists of an adapter housing which is detachably mounted onto the free end of the saw's chain guide. The housing includes a rotatable shaft mounted therein and extending t... | 12/14/1982 |
| 4312391 | Router adapting fixture for radial arm saws The present invention is a router adapting fixture for radial arm saws. The principal object of the invention is to provide a means for mounting a commercially available wood router upon the movable carriage of a radial arm saw such as to combine and unit... | 01/26/1982 |
| 4243083 | Boring attachment for radial arm saws An attachment kit is disclosed for converting a standard radial arm saw to a horizontal drill press. The kit includes a drill holder that attaches to the arbor of the radial arm saw's motor, a drill, a work support platform for holding a workpiece at a co... | 01/06/1981 |
| 4228710 | Cut-off saw attachment for machine tool A band saw attachment releasably secured to the quill of a vertical milling machine and driven by the rotary spindle of the machine is movable with the quill generally toward and away from the work-support surface of the machine table and may be tilted wi... | 10/21/1980 |
| 4227840 | Drilling attachment for chain saw A drilling attachment adapted to be fixed to a chain saw and a chain saw so equipped wherein the driving output shaft and a drill chuck are advantageously connected by a pair of friction drive wheels to produce clockwise rotation of the drill chuck and th... | 10/14/1980 |
| 4111060 | Drill attachment for converting rotary motion to reciprocatory motion A drill attachment for converting rotary motion of a drill chuck into reciprocatory motion includes a tool support member movable longitudinally along a guide bracket and having one surface with a plurality of cam surfaces thereon so that the movement the... | 09/05/1978 |
| 4084629 | Router clamp A router clamp for positioning and attaching a router having a housing to a radial saw arm so as to enable a user to accomplish overhead routing operations. The router clamp includes a bridge plate member affixed to a pair of inverted L-shaped brackets, o... | 04/18/1978 |
