Means To Trim Edge Patents (Class 409/138)
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Patent number: 4852198Abstract: Apparatus is disclosed for brushing the edges of electroplated metal strip to remove excess plating metal therefrom. In a first embodiment for brushing the narrow face edges of the strip, a cup brush is mounted on a carriage having a motor thereon for rotatably driving the brush. The carriage is slidably movable in a transverse direction of the strip. A device urges the carriage inwardly toward the strip so that the brush is maintained in constant contact with uniform pressure against the strip edge. In a second embodiment for brushing the broad surfaces of the strip adjacent to the strip edge, a disc brush is mounted on a carriage having a motor thereon for rotatably driving the brush. Again, the carriage is slidably movable in a transverse direction of the strip. A device urges the carriage inwardly toward the strip so that the brush is maintained in constant contact with a uniform portion of the width of the strip near the edge thereof.Type: GrantFiled: October 21, 1988Date of Patent: August 1, 1989Assignee: USX CorporationInventors: Edwin J. Gebhardt, George H. Keaton, Michael M. Sinar, James N. Wendt
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Patent number: 4824300Abstract: An edge miller for machining the edges of sheets advanced in motion relative thereto includes a milling unit supported for rotation therein and in turn supporting circular cutters for rotation relative thereto. The milling unit has bearings for each of the circular cutters supporting such rotation thereof, the bearings disposing the longitudinal cutter axes such that the axial and radial positions thereof are alternatively above and below the thickness centerline of the sheet and that each circular cutter has a cutting edge range between first and second cutting edge points. Machining forces between such cutting edge and the workpiece druing engagement produce a torque for rotating said circular cutter.Type: GrantFiled: February 19, 1987Date of Patent: April 25, 1989Assignee: Linsinger Maschinenbau GmbHInventor: Josef Pomikacsek
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Patent number: 4799836Abstract: A side edge surface of a web plate is trimmed by or machined after feeding a milling cutter into the side edge surface of the web plate, which cutter has on its outer peripheral surface cutting edges at a predetermined angle with respect to its rotary axis, and driving the milling cutter in rotation. The rotary axis of the milling cutter is a plane which is kept parallel to a desired machined surface of the side edge surface of the web plate, and the angle formed between the cutting edge of the milling cutter and the side edge surface of the web plate is limited to within 55 degrees to 125 degrees.Type: GrantFiled: June 25, 1987Date of Patent: January 24, 1989Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga, Nobuo Kiyama
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Patent number: 4793749Abstract: In a process for edging metal strips, especially nonferrous metal strips, by means of an edging machine wherein the longitudinally driven metal strip is guided between an upper and a lower linear guide and cutting tools are disposed successively along the line of movement of the strip, on either side of the linear guides. It is proposed according to the invention that a liquid or gaseous fluid be forced out of the central part of the linear guides at individual points along the line of movement, into the clearance between the metal strip and the linear guides. In a linear guide for carrying out this process, provision is made according to the invention such that, in each linear guide face confronting the metal strip, there are a series of grooves running longitudinally along the center of the guide, the grooves being separate from one another and connected to inlets for the fluid.Type: GrantFiled: February 27, 1987Date of Patent: December 27, 1988Assignee: Julius Maschinenbau GmbHInventor: Rolf Julius
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Patent number: 4787112Abstract: Apparatus is disclosed for brushing the edges of electroplated metal strip to remove excess plating metal therefrom. In a first embodiment for brushing the narrow face edges of the strip, a cup brush is mounted on a carriage having a motor thereon for rotatably driving the brush. The carriage is slidably movable in a transverse direction of the strip. A device urges the carriage inwardly toward the strip so that the brush is maintained in constant contact with uniform pressure against the strip edge. In a second embodiment for brushing the broad surfaces of the strip adjacent to the strip edge, a disc brush is mounted on a carriage having a motor thereon for rotatably driving the brush. Again, the carriage is slidably movable in a transverse direction of the strip. A device urges the carriage inwardly toward the strip so that the brush is maintained in constant contact with a uniform portion of the width of the strip near the edge thereof.Type: GrantFiled: August 28, 1987Date of Patent: November 29, 1988Assignee: USX CorporationInventors: Edwin J. Gebhardt, George H. Keaton, Michael M. Sinar, James N. Wendt
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Patent number: 4784540Abstract: The combination of a rotary tool and a drive therefor, the tool having a conical taper between 60.degree. and 120.degree. to chamfer or remove burrs from machined workpieces. The tool comprises a casing containing a motor for rotating the tool, the motor having a drive shaft connected for rotation to the tool, and the tool having a shaft coaxial with the drive shaft. The drive shaft and the tool shaft are elastically connected for axial sliding movement of the tool shaft relative to the drive shaft against a force urging the tool shaft in a direction away from the drive shaft. The drive shaft is splined, and the tool shaft has thereon a splined member surrounding and engaging with the splines of the drive shaft.Type: GrantFiled: May 12, 1987Date of Patent: November 15, 1988Inventor: Njal Underhaug
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Patent number: 4782575Abstract: A power transmitting belt manufacture wherein belts are molded to have various cross sections. The belts are machined to a desired cross section. Each belt is entrained about drive and driven pulleys to run the belt under a preselected tension. At least one roller is caused to engage the back surface of the driven belt to reinforce the otherwise unsupported belt at the point of cutting between drive and driven pulleys. A pair of opposed cutting blades are engaged with the opposite sides of the belt to form the opposite side edges of the final belt section.Type: GrantFiled: March 18, 1987Date of Patent: November 8, 1988Assignee: Mitsuboshi Belting Ltd.Inventors: Yoshihiko Kamiyama, Misao Fukuda, Akihiro Nagata
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Patent number: 4772160Abstract: An apparatus for machining the edge of a lens. A fixed housing having a lid and a bulge is provided. Two half shafts mounted in the housing, with a lens being adapted to be held between these half shafts. A rotatable edge-machining tool in the form of a milling tool is disposed in the housing. A motor is provided for driving the milling tool, with this tool and the motor being movable relative to the housing in two horizontal coordinate directions, whereby the milling tool is adapted to be moved between a rest position in the bulge and an operating position that is in the housing but out of the bulge.Type: GrantFiled: May 13, 1987Date of Patent: September 20, 1988Assignee: Wernicke & Co. GmbHInventor: Gunter Barwasser
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Patent number: 4750849Abstract: A method and apparatus for cutting a pair of circular grooves in the side edges of the periphery of a circular disk such, for example, as the stator of an alternator. A milling cutter having axially spaced cutting elements along its periphery is positioned so that its axis is parallel to the axis of the disk. The cutter is moved toward the disk while being axially rotated, to cause the cutting elements to cut into the side edges of the periphery of the disk. The disk is then rotated one full turn to cause the cutting elements to cut the grooves.Type: GrantFiled: January 8, 1987Date of Patent: June 14, 1988Assignee: J. D. Phillips CorporationInventor: James D. Phillips
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Patent number: 4735530Abstract: An apparatus for simultaneously milling the surfaces of two plastic pipe sections facing one another, aligned parallel to one another, and mounted on a metal pipe. The plastic pipe sections may be milled on the metal pipe since the apparatus is provided with a spur gear having a recess and connected to two circular milling disks having congruent recesses and milling cutters, and arranged on both sides of a forked housing. In a specified angular position, the recess of the spur gear and the recesses of the milling disks form a U-shaped seat which merges in a semicircular end. The rotational axes of the spur gear and the milling disks coincides with the center of the semicircular end of the seat, and the width of the seat is greater than the maximum outer diameter of the metal pipe and smaller than the minimum inner diameter of the plastic pipe sections.Type: GrantFiled: November 25, 1986Date of Patent: April 5, 1988Inventors: Armin Dommer, Dieter Dommer
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Patent number: 4733998Abstract: A side edge surface of a web plate is trimmed or machined after by feeding a milling cutter into the side edge surface of the web plate, which cutter has on its outer peripheral surface cutting edges at a predetermined angle with respect to its rotary axis, and driving the milling cutter in rotation. The rotary axis of the milling cutter is inclined in a plane which is kept parallel to a desired machined surface of the side edge surface of the web plate, and the angle formed between the cutting edge of the milling cutter and the side edge surface of the web plate is limited to within 55 degrees to 125 degrees.Type: GrantFiled: August 22, 1984Date of Patent: March 29, 1988Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga, Nobuo Kiyama
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Patent number: 4708708Abstract: A method and apparatus are disclosed for skiving and hemming one or more edges of a paperboard web or blank to improve the sealing qualities of a container made from the paperboard. The paperboard is skived twice generally parallel to its edge, once to define an oblique surface and once to make a flat skived surface. The latter is folded over the former and heat-sealed to a heat sealable material adjacent the skived region, defining a wedge-shaped edge portion. The folded over part is preferably ironed to produce a substantially flat sheet, and the wedge-shaped edge is preferably reshaped at some point in the process to make the entire folded over surface substantially flush with the unskived surface to which it is sealed. The flat skived surface is preferably made by a milling procedure in which the milling teeth strike the material while moving in a direction opposite to that of the motion of the material.Type: GrantFiled: June 30, 1986Date of Patent: November 24, 1987Assignee: International Paper CompanyInventor: Carl J. Fries, Jr.
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Patent number: 4648762Abstract: An apparatus for preparing the edges of metal sheets to be welded comprises one or more metal working means, particularly milling cutters, included in a unit which is associated with means for producing between the sheet and the unit a relative movement during which the metal working means are working an edge of the sheet. The means for producing said relative movement comprise two sets each including at least three rotatable rollers which can be pressed against opposite sides of the sheet and of which two rollers engaging the same side of the sheet are spaced apart in the direction of movement in order, together with the roller or rollers engaging the opposite side of the sheet, to safely hold the sheet also when said metal working means have passed the end of the sheet edge being worked.Type: GrantFiled: June 27, 1984Date of Patent: March 10, 1987Inventors: Sture Hall, Bertil Persson
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Patent number: 4647261Abstract: A cutting device and method for the precision trimming of a selected portion of the peripheral edge of a cast lens secured on the external surface of a male mold independent of any eccentricity that may exist between the opening defined in the mold and the outer diameter of the mold.Type: GrantFiled: September 19, 1983Date of Patent: March 3, 1987Assignee: International Hydron CorporationInventor: Hans S. Schaffner
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Machining device provided with a blank-press connected to the tool and blank-press for such a device
Patent number: 4642004Abstract: This invention relates to a machining device incorporating a blank-press connected to the tool and to a blank-press for such a device, wherein said blank-press is provided with an annular chamber surrounding said tool and obturated opposite the workpiece by a flat face traversed by a plurality of orifices; said annular chamber comprises means for connection to a source of fluid under pressure; and said fluid emerging from the annular chamber through said orifices between the flat face of the workpiece and the flat face of the annular chamber creates a fluid film for lift. The invention is more particularly applicable to the trimming of stacks of sheet metal plates.Type: GrantFiled: September 6, 1985Date of Patent: February 10, 1987Assignee: Societe Nationale Industrielle AerospatialeInventor: Rene Matifas -
Patent number: 4634322Abstract: An assembly capable of use in removing material from both ends of an elongated workpiece, such as a bar incorporates two similar pieces of apparatus of a known kind. Each apparatus has a cutter mounted at one end of a flexible drive and rotatable by a motor about its own axis to effect removal of the material; the cutter is supported in a universal mounting enabling the cutter to swing in a closed path about the axis of the cutter. The cutter is biased inwards towards the axis. The invention provides positioning means for moving the cutters aside into loading positions so that a finished workpiece can be removed laterally and a new one introduced laterally. The positioning means on each apparatus includes means for shifting the motor towards the universal mounting so as to cause the flexible drive to bow more markedly and move the cutter further from the axis, and a deflector for engaging the cutter-end of the flexible drive and moving it to its loading position.Type: GrantFiled: November 19, 1984Date of Patent: January 6, 1987Inventor: Derek W. R. Walker
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Patent number: 4616966Abstract: A method for chamfering an edge of a silicon steel plate moving in the longitudinal direction of the edge by applying an entirely circular edge tip of a ring-shaped cutting edge portion of a circular cutter to the edge of the plate material while rotating the circular cutter. The edge tip of the cutting edge portion of the cutter has a rake angle which is within the range of 0 to -1.0 degrees and a relief angle which has a zero or positive value.Type: GrantFiled: October 11, 1983Date of Patent: October 14, 1986Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventor: Iwane Ohyama
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Patent number: 4612835Abstract: A device for continuously cutting out a waste strip between two usable strips of sheet or web material, including a cutting wheel disposed intermediate two counterpart wheels in closely adjacent alignment and with overlapping edges, and a plurality of pressing devices adapted for compressing the sheet or web material in the region of cutting, wherein the cutting wheel and the two counterpart wheels are rotatable in opposite directions.Type: GrantFiled: January 16, 1985Date of Patent: September 23, 1986Inventor: Hagen Gammerler
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Patent number: 4608783Abstract: The invention is concerned with a feeler unit for positioning sheet glass processing tools, which comprises a frame carrying at least one feeler roller piloting a tool holder head positioning motor, and a back-up roller engageable with the underside of a sheet glass edge being processed and rotatable about an axis which extends substantially parallel to the plane containing the glass sheet and substantially perpendicular to the edge being processed.A peculiar aspect of the invention is that a controlled movement of the back-up roller to and/or from the glass sheet, as well as controllable displacing of the back-up roller along a direction which is substantially parallel to a tangential direction to the glass sheet edge and perpendicular to the axis of the feeler roller are effected to vary the mutual position relationship between the feeler roller and back-up roller.Type: GrantFiled: December 19, 1983Date of Patent: September 2, 1986Assignee: Z. Bavelloni S.p.A.Inventor: Franco Bavelloni
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Patent number: 4604011Abstract: Method and apparatus for machining the edges of sheet-like work pieces, using cutting elements disposed on rotating milling tools. The invention uses a conical tool with cutting tools on the conical jacket thereof. The active cutting tool which is closest to the work piece is located in the plane of the machining and a conical angle .alpha. in the range of about 150.degree. to about 180.degree. is utilized.Type: GrantFiled: November 5, 1985Date of Patent: August 5, 1986Assignee: Dr. Techn. Ernst Linsinger & Co. GmbHInventors: Helmut Rungger, Erwin Fuchs, Johann Knoll
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Patent number: 4592685Abstract: A deburring machine which includes a power means and a rotating cutter plate adjacent a fixture which holds a work piece with a burr on the end. The cutter plate has a circular cutting opening therein which rotates past the work piece to remove the burr, and there can be a circular row of the cutting holes in the plate.Type: GrantFiled: January 20, 1984Date of Patent: June 3, 1986Inventor: Richard F. Beere
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Patent number: 4583893Abstract: The device comprises a support member (8) linearly displaceable with respect to a fixed or movable rail (1). The support member (8) comprises a milling tool (5), cutting depth reference guides (6) for the tool bearing on the top face of the rolling surface (2) of the rail along a plane tangent to the rail and lateral cutting depth reference guides of the tool bearing on the lateral face (2). The top and lateral guides are mounted for rotation about a common shaft and are disposed in front of the milling tool in the direction of displacement. The invention is used to reprofile the rails of a railroad track.Type: GrantFiled: May 8, 1984Date of Patent: April 22, 1986Assignee: Matix Industries (Societe Anonyme)Inventor: Henri B. Line
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Patent number: 4551948Abstract: A glass shaping apparatus having a housing including a work surface integrally formed to the housing top and a variable-speed drive motor mounted within the housing with a drive shaft, including a grinding surface, protruding through a penetration onto the work surface. The motor includes a manual rotatable thumbwheel for adjusting the speed of the rotating grinding surface for the type of glass being shaped. The sloping design of the work surface accelerates the escape of byproducts and provides complete support to the glass. Attachments for high-speed rotary sawing and engraving of glass at 10,000 revolutions per minute are available.Type: GrantFiled: October 28, 1983Date of Patent: November 12, 1985Inventors: Morris L. Kindig, Cleon V. Kindig, deceased, by Eunice L. Kindig, executrix
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Patent number: 4540391Abstract: A method and apparatus are disclosed for skiving and hemming one or more edges of a paperboard web or blank to improve the sealing qualities of a container made from the paperboard. The paperboard is skived twice generally parallel to its edge, once to define an oblique surface and once to make a flat skived surface. The latter is folded over the former and heat-sealed to a heat sealable material adjacent the skived region, defining a wedge-shaped edge portion. The folded over part is preferably ironed to produce a substantially flat sheet, and the wedge-shaped edge is preferably reshaped at some point in the process to make the entire folded over surface substantially flush with the unskived surface to which it is sealed. The flat skived surface is preferably made by a milling procedure in which the milling teeth strike the material while moving in a direction opposite to that of the motion of the material.Type: GrantFiled: December 6, 1982Date of Patent: September 10, 1985Assignee: International Paper CompanyInventor: Carl J. Fries, Jr.
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Patent number: 4514121Abstract: Chamfering apparatus for simultaneously chamfering the I.D. and O.D. of tubular members including an internal cutter for chamfering the I.D. and an external cutter for simultaneously chamfering the O.D., the internal and external cutters being mounted self-adjustably to permit them to simultaneously engage the I.D. and O.D. of tubular members of different I.D.'s and O.D.'s up to a predetermined maximum I.D. and O.D. and to minimize the net torque imparted to the tubular members by such simultaneous chamfering.Type: GrantFiled: January 26, 1983Date of Patent: April 30, 1985Inventor: Francis J. Fuchs, Jr.
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Patent number: 4504178Abstract: The tool includes a handle containing a motor whose shaft extends from a tool head and carries a ball-shaped or a barrel-shaped cutter. A cantilever arm extends from the tool head and has a guide element cantilevered from its free end. The guide element is pivoted about one or two axes, extending at right angles to the axis of cutter rotation.Type: GrantFiled: December 11, 1980Date of Patent: March 12, 1985Assignee: Vereinigte Flugtechnische Werke GmbHInventor: Heinz Seidenfaden
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Patent number: 4364696Abstract: A material working machine for edge finishing of workpieces of different sizes and shapes and of different materials has a material work station supported by a table like construction with a mechanical cutting tool mounted at the work station. The machine includes a workpiece feeding assembly comprised of a pair of resilient juxtaposed feeding belts having opposed gripping surfaces adapted to grip the opposite faces or sides of a workpiece to feed the workpiece across the working station as the resilient belts are moved. An adjustable pressure plate is mounted behind the feeding surface of each belt and can be moved toward or away from the opposite belt so as to be able to adjust the pressure exerted by the belts on the workpiece and also to accommodate workpieces of varying thickness.Type: GrantFiled: February 21, 1979Date of Patent: December 21, 1982Inventors: Louis W. Syarto, Sanford S. Zimmerman
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Patent number: 4318320Abstract: Method for removing camber from strip preparatory to forming helical pipe is taught utilizing the steps of feeding the strip longitudinally along a directional line of feed, sensing lateral deviations of the strip relative to the directional line of feed, laterally moving and realigning the strip in response to lateral deviations, then severing both side edges of the strip on lines parallel with the directional line of feed.Type: GrantFiled: November 10, 1980Date of Patent: March 9, 1982Assignee: Pacific Roller Die Co., Inc.Inventor: Paul K. Davis
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Patent number: 4268261Abstract: Disclosed is an apparatus and method for the continuous production of packaging wrappers from cut blanks of flat material. A flap-like portion of the blank material is abraded in a particular fashion to produce an area which upon folding and gluing provides a bonded joint having a thickness in the area of the bonding essentially equal to the thickness of the flat material of the wrapper. The packaging wrapper produced possesses an interior surface completely void of protrusions or uneven areas and an overall wrapper of even thickness throughout.Type: GrantFiled: December 27, 1978Date of Patent: May 19, 1981Assignee: Firma Kohmann GmbH & Co.Inventors: Karl-Heinz Kohmann, Wolfgang Heiber
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Patent number: 4255999Abstract: Method and apparatus for removing camber from strip preparatory to forming helical pipe is taught utilizing the steps of feeding the strip longitudinally along a directional line of feed, sensing lateral deviations of the strip relative to the directional line of feed, laterally moving and realigning the strip in response to lateral deviations, then severing both side edges of the strip on lines parallel with the directional line of feed.Apparatus for practicing the method comprises a pair of laterally spaced guide rolls which are mounted for lateral adjustment toward and away from the other, means for moving the guide rolls simultaneously as a unit as well as independently of each other, and control means, including servomechanisms for positioning each roll in response to variations in both width of the strip and camber.Type: GrantFiled: November 17, 1978Date of Patent: March 17, 1981Assignee: Pacific Roller Die Co., Inc.Inventor: Paul K. Davis
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Patent number: 4251174Abstract: A roller hold down is designed to restrain parts being cut from a stack of flat sheets. The roller hold down eliminates the need for secondary fastening means to restrain the parts during the cutting operation. The parts are restrained in position on a flat worktable by a pair of cylindrical rollers adjacent the cutter which force the parts against the table. By use of the roller hold down, the restraining force applied through the rollers follows the excursions of the cutter and is applied near the cutter where the force is the most effective.Type: GrantFiled: February 28, 1979Date of Patent: February 17, 1981Assignee: McDonnell Douglas CorporationInventor: Walter I. Satler
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Patent number: 4197043Abstract: A milling machine for milling a face of a metal workpiece has a cutter positioned to act on the face of a workpiece passed through the machine. A control means is employed to ensure that the depth of cut on the face remains at its preset value regardless of variations in thickness of the workpiece entering the machine.In a preferred arrangement, the machine has a pair of cutters positioned to act on opposed faces of the workpiece. The control means then ensures that the depth of cut on each face remains at its preset value.This is different from known machines in which the cutters are arranged to cut the faces so that the outgoing thickness of the workpiece remains the same regardless of variations in thickness of the workpiece entering the machine.Type: GrantFiled: June 21, 1978Date of Patent: April 8, 1980Assignee: Loewy Robertson Engineering Company LimitedInventor: Geoffrey Houghton
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Patent number: 4182589Abstract: A chamfering apparatus for use in machining corner breaks of work pieces and including a base member establishing a horizontal support surface, a guide block mounted on the base member and forming a guide surface substantially normal to the horizontal support surface such that a trim slot is formed about he intersection of the plane of the horizontal support surface and the plane of the frontal vertical guide surface; a circular cutting member having an axis of rotation parallel with the axis of the trim slot positioned about the base member with the outer peripheral edge of the cutting member extending within the trim slot such that the edge of a work piece may be chamfered as it is moved along the trim slot while in abutting relationship to the horizontal support surface and frontal vertical guide surface.Type: GrantFiled: July 17, 1978Date of Patent: January 8, 1980Inventors: Robert H. Boudreault, Mark A. Boudreault, Brenda L. Boudreault