Class 451/406 - WORK REST

Subclass of Class 451 - Abrading
Definition: Device for supporting a workpiece against the force of gravity,
No. of patents: 40
Last issue date: 07/03/2007

Number	Title	Issue Date
7238543	Methods for marking a bare semiconductor die including applying a tape having energy-markable properties A method used for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The present method comprises reducing the cros...	07/03/2007
7178427	Motor driven harmonic drive actuator having an interposed output mechanism A relatively small, lightweight electromechanical actuator includes a motor assembly, a harmonic drive, and an interposed gear assembly that functions as an output mechanism. The motor assembly, harmonic drive, and gear assembly are coupled together in an in-line co...	02/20/2007
7118462	Disk for toroidal continuously variable transmission and method of machining the same A method of machining a disk for a toroidal-type continuously variable transmission, has the steps of fixing a disk to a core bar having a pair of reference portions for rotation at both end thereof, clamping the reference portions by a first center and a second cen...	10/10/2006
7094618	Methods for marking a packaged semiconductor die including applying tape and subsequently marking the tape The present invention provides a method and apparatus for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The pr...	08/22/2006
6896603	Steady rest with independent vertical and horizontal adjustments A steady rest having separate adjusting screws for adjusting the clamping positions of three workpiece engaging rollers either horizontally or vertically. ...	05/24/2005
6855033	Fixture for clamping a gas turbine component blank and its use in shaping the gas turbine component blank A gas turbine component blank is shaped by clamping the gas turbine component blank into a fixture that accurately positions the gas turbine component blank in three dimensions. The positioning is accomplished against stops accurately machined into a base of the fix...	02/15/2005
6799372	Method for manufacturing hydro dynamic bearing device A method for manufacturing a hydro dynamic bearing device is provided. This method is capable of sufficiently increasing a circumferential speed at the time of grinding an axial member which is a structural component of the hydro dynamic bearing device, and also cap...	10/05/2004
6729948	Method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets The present invention relates to a method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets. In said method, in characteristic manner, the dust generated by the rectification by a working grind wheel acting on said pellets remains...	05/04/2004
6722968	Conversion attachment for bench grinder tool rest An attachment for a bench grinder having at least one grinding surface, a tool rest fastener and a tool rest is described. The attachment includes a tool-receiving plate having a bottom surface and a top surface. The bottom surface is configured to matingly engage t...	04/20/2004
6699113	Steady rest with vertical adjustment A steady rest having cams for adjusting both vertical and the horizontal position of the centerline of a cylindrical workpiece....	03/02/2004
6652369	Fixture for clamping a gas turbine component and its use in shaping the gas turbine component A gas turbine component such as a turbine blade is clamped into a fixture having a base upon which a remainder of the fixture is supported, a stop which limits the movement of the gas turbine component, and two clamp arms affixed to the base and controlla...	11/25/2003
6543973	Automatically retractable positioning stop for machining table An automatically retractable stop mechanism is provided for machine tools. The stop apparatus includes a base that is releasably fixed to the machine tool table. A stop bar is retractably mounted to the base. A spring urges the bar into a retracted condit...	04/08/2003
6460533	About vertically orientated saw An about vertical tile cutting saw having a structure that orientates the ceramic tile for cutting in an about vertical plane and wherein the saw blade cutting means is disposed rearward of the ceramic tile to the cut, thereby allowing for use of the tile...	10/08/2002
6213851	Abrading apparatus An eccentric orbit abrading apparatus includes a housing having a base for supporting the abrading apparatus on a surface. A workpiece support member is mounted on the housing and provides a surface for supporting the workpiece thereon. A motor is mounted...	04/10/2001
6050886	Rotary drum holder A new machine for and method of manufacturing fluted pin fasteners and the pins produces thereby are disclosed which utilize a circular grinding arrangement of a plurality of grinders which grind flutes into a threaded pin. An internally threaded collar t...	04/18/2000
5885142	Device for cleaning a liquid crystal panel A liquid crystal (LC) panel cleaning device of the present invention includes a work table and a terminal seat located above the work table. While the cleaning device is in operation, the terminal seat sustains a terminal portion included in an LC panel a...	03/23/1999
5816893	Method and device for sharpening tools, particularly dental hand instruments A method and apparatus for sharpening tools, particularly hand instruments used in dental care. The apparatus includes a fixed base (19) and a rotary plate (14) fitted thereon, a grinding stone (10) pivoted on an axle (11), and a motor (20) for rotating t...	10/06/1998
5700186	Motorized spindle with indexing fixture A spindle, comprised of a spindle body and an indexing fixture, is configured to retain, and rotatingly drive, a crankshaft relative to a grinding tool, so that each pin on the crankshaft is ground with a high degree of precision. A locking mechanism, suc...	12/23/1997
5637036	Power tool adapter An adapter (11) is of channel shape, having longitudinal projections (25) at its respective sides for engagement with undercut grooves (24) in a face of a casing of a powered grinding tool (10) with which the adapter is intended to be fitted to sharpened ...	06/10/1997
5637033	Flapper wheel adapter An easy-to-use adapter assembly having a minimum number of component parts that will permit sanding flapper wheels of various sizes to be conveniently used in the field with portable hand held electric grinders of conventional design. The assembly is pref...	06/10/1997
5620363	Powered grinding tool A powered grinding tool (10) comprising a casing (16) in which is an electric motor (40) which drives a shaft (39) on which is carried a grinding wheel (20) at a work station. The tool casing has undercut slots (24) at opposite sides of its front face for...	04/15/1997
5618028	Power tool adapter An adapter (12) is of channel shape having longitudinal projections (25) at its respective sides for engagement with undercut grooves (24) in a face of a casing of a powered grinding tool (10) with which the adapter is intended to be fitter to sharpen hig...	04/08/1997
5527210	Dynamic steady rest A dynamic steady rest particularly adapted for use in supporting a rotating workpiece during a grinding operation. The steady rest includes a lever assembly pivotally mounted on a base and having a workpiece support arm and a counterweight arm. Weights ar...	06/18/1996
5090160	Planer blade sharpening apparatus A sharpening blade structure for use particularly in sharpening of blades utilized in plane tools, wherein a support base is mounted to an associated support surface such as a work bench, and a lower support block is mounted to the support base, a medial ...	02/25/1992
4996797	Apparatus for sharpening edge tools Apparatus for sharpening an edge tool comprises a rotary grindstone mounted so as to be rotatable about a first axis of rotation, and a tool mount for a tool to be sharpened, in which the tool mount is turnable about an axis whereby to permit the edge too...	03/05/1991
4937982	Positioning apparatus for tool sharpening A positioning apparatus includes a guide frame with a mounting assembly for mounting the frame on the end face of a tool holder so that it projects transversely away from the holder. A levelling or positioning member is slidably mounted in the frame for m...	07/03/1990
4799336	Dust collecting system for bench grinder An apparatus for exhausting particulate matter from a bench grinder of the type having a working element which rotates in a circular direction about an axis of rotation for contacting a workpiece, thereby producing particulate matter. The improvement incl...	01/24/1989
4766703	Adjustable support rest for a cylinder grinding machines or the like A motorized rest for supporting the piece being worked by grinding machines for cylinders, rollers and the like, has a fixed lower body suitable for being joined to a bench of the grinding machine, on which an upper body is slidingly arranged so as to be ...	08/30/1988
4640007	Apparatus and method for replacing bearings in a walking beam in trucks and trailers having tandem axles This invention is directed to the removal and also to the replacement of a beam end connection assembly in a walking beam. A walking beam comprises a beam hanger axle bracket and also an equalizer beam. The beam end connection assembly comprises an inner ...	02/03/1987
4607459	Combined hollow grinder, sharpener and honer A portable grinder, honer and polishing machine is provided which has a horizontally rotating cylindrical grinding wheel continuously cleaned of swarf and wetted by a porous wiper extending into a liquid reservoir in the grinder housing. A tool rest with ...	08/26/1986
4603510	Multiple position belt grinder The belt grinder provides a variety of vertical and horizontal position grinding options. The three wheel machine head features an offset axial mount, counterbalanced to rotatably elevate selected work stations. Total revolution of the machine head throug...	08/05/1986
4586420	System for firing a propellent charge by pyrotechnical transmission The invention relates to a system for firing a propellent charge by pyrotechnic transmission, comprising mechanical means of actuating a hammer, a primer cooperating with said hammer, and a propellent charge connected to the primer by pyrotechnical means ...	05/06/1986
4583420	Handwheel actuated machine tool mechanism A handwheel actuated machine tool mechanism is disclosed in which a planetary gear arrangement is utilized to effectuate a mechanical advantage in the actuation of the machine tool when desirable, together with a clutch means to cease propulsion of the ma...	04/22/1986
4395848	Billet reverser Chains are passed with a sagging round first sprockets incapable of movement and second and third sprockets capable of movement corresponding to the movement of the opposite free ends of a bellcrank rotatable in a vertical plane. The chains are moved to c...	08/02/1983
4347639	Deburring apparatus In a deburring apparatus having a housing with front and rear walls, a base and a power rotated deburring wheel within the housing and partly projecting through the front wall, a workpiece holder assembly is arranged forwardly of the front wall in registr...	09/07/1982
4216560	Deburring apparatus An apparatus for deburring workpieces such as profiles, tubes, metal sheets or the like, is provided which includes a housing and a deburring tool rotatably mounted within the housing about a horizontal axis such that the tool partially projects from the ...	08/12/1980
4184293	Roll neckrest support A roll grinding machine having a neckrest which comprises a pair of roll supporting gibs functioning as independent load carrying members as well as having means for adjusting both the supporting gibs permitting accurate axial alignment of the roll in the...	01/22/1980
4048881	Tailstock powering device A powering device for the tailstock of a lathe, wherein a cylinder and piston assembly is mounted on the tailstock for fluid actuation of the piston relative to the cylinder, and the piston is associated with the handwheel shaft to feed and retract the la...	09/20/1977
4020601	Grinder with wear compensating tool rest An electrically operated grinding wheel is described wherein the grinding wheel is adapted with a slidable tool rest member which will automatically position itself at a preselected distance from the grinding wheel. As the grinding wheel becomes worn and ...	05/03/1977
3967414	Grinding machine with a rest apparatus In a grinding machine, a rest apparatus is advanced to move a workpiece toward a grinding wheel being in a stationary condition after a preliminary grinding operation. After a predetermined amount of advancement of the rest apparatus, the grinding wheel i...	07/06/1976

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Class 451/406 - WORK REST