Patents Examined by Eugenia Jones
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Patent number: 5697274Abstract: Apparatus for trimming cylindrical cans wherein each can is orbited about a central turret axis while being rotated about its longitudinal can axis is disclosed. The cans are successively mounted with vacuum onto a support mandrel located on a support shaft within each of plural cartridge assemblies mounted at circumferentially spaced intervals on a turret disk. The can is firmly secured to the mandrel by vacuum so that the open end portion of the can body projects between an outside circular cutting knife and an inside trimming edge disposed within the open end. As the cartridge orbits about the turret axis on the shaft axis, the inside trimming edge is radially displaced by camming action into contact with the open end portion of the can body and the outside cutting edge to generate cutting forces for trimming the portion.Type: GrantFiled: September 6, 1995Date of Patent: December 16, 1997Assignee: Reynolds Metals CompanyInventor: Wallace E. Maidment
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Patent number: 5694822Abstract: Apparatus for trimming cylindrical cans wherein each can is orbited about a central turret axis while being rotated about its longitudinal can axis is disclosed. The cans are successively mounted with vacuum onto a support mandrel located on a support shaft within each of plural cartridge assemblies mounted at circumferentially spaced intervals on a turret disk. The can is firmly secured to the mandrel by vacuum so that the open end portion of the can body projects between an outside circular cutting knife and an inside trimming edge disposed within the open end. As the cartridge orbits about the turret axis while rotating on the shaft axis, the inside trimming edge is radially displaced by camming action into contact with the open end portion of the can body and the outside cutting edge to generate cutting forces for trimming the portion.Type: GrantFiled: September 8, 1995Date of Patent: December 9, 1997Assignee: Reynolds Metals CompanyInventor: Wallace E. Maidment
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Patent number: 5694821Abstract: A positioned sensing device measures and/or calculates the lateral position and movement of a saw blade. These measured and calculated values are used to automatically alter the work-feed rate and/or saw blade rim speed either up or down as sawing conditions change within the work piece or between different work pieces.Type: GrantFiled: December 8, 1995Date of Patent: December 9, 1997Assignee: Simonds Industries, Inc.Inventor: H. Reid Smith
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Patent number: 5692425Abstract: The protective push stick includes a transparent cover extending over the saw blade of a table saw to protect the operator's hand from the saw blade and to protect the operator's eye from particles flying upwards from the saw blade.Type: GrantFiled: February 12, 1996Date of Patent: December 2, 1997Inventor: Michael Sterling
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Patent number: 5690008Abstract: A method for transferring rod sections from a flying shears to a cooling bed via a run-in table wherein electromagnetic coils are placed in hollow rollers at a downstream end of the run-in table to pull the leading ends of the rods onto the rollers and prevent bouncing of the rods whereafter braking force is applied to the trailing end of the rods before the rods are lifted by a lifting apron for transfer to the cooling bed. The rollers containing the electromagnetic coils are hollow and detachable to gain access to the interior of the rollers and the electromagnetic coils therein.Type: GrantFiled: April 28, 1995Date of Patent: November 25, 1997Inventor: David Teng Pong
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Patent number: 5690009Abstract: A roll sheet cutter mechanism for an image forming apparatus is provided which is adapted to cut a roll sheet 4 paid out of a feed reel 51 between a rotary blade 82 and a stationary blade 81. When the leading edge of the transported roll sheet 4 passes over the rotary blade 82 located at a guiding position, the rotary blade 82 guides the leading edge of the roll sheet 4 in a transportation direction. The rotary blade 82 returns to a cutting stand-by position before the tail edge portion of the roll sheet 4 passes over the rotary blade 82. Therefore, the occurrence of jam of the roll sheet due to the curling thereof can assuredly be prevented. Further, time loss can be eliminated because the rotary blade is adapted to return to the cutting stand-by position.Type: GrantFiled: December 8, 1995Date of Patent: November 25, 1997Assignee: Mita Industrial Co., Ltd.Inventors: Masahiko Nakao, Katsuhiro Yoshiuchi, Keizo Yamamoto
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Patent number: 5687626Abstract: An interlock mechanism for a food product slicer that prevents the carriage support of a reciprocating carriage from being removed from the slicer housing unless the gauge plate of the slicer is closed and the carriage is positioned along a predetermined portion of the path of reciprocation of the carriage. The interlock mechanism includes a pivoting interlock plate and a stationary interlock bar. The pivoting interlock plate extends along the predetermined portion of the reciprocation path and the stationary interlock bar extends along the rest of the carriage's reciprocation path. The interlock plate is pivotally mounted on the housing and is movable from a blocking position, which it blocks pivoting and removal of a carriage support, to a free position, which it permits pivoting and removal of the carriage support.Type: GrantFiled: December 15, 1995Date of Patent: November 18, 1997Assignee: Premark FEG L.L.C.Inventors: Richard P. Scherch, Timothy Allen Schrand, Ellis Gale Short
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Patent number: 5673604Abstract: A compact hole punch for manually punching holes through sheet-like material to produce hole sets which enable the material to be mounted on multi-ring binders. The hole punch includes male and female plates, which in operation move convergently between an open position and a collapsed position and are retained in a parallel relative orientation by pivotally mounted support posts and a spring. The male plate carries a plurality of punch pegs while the female plate carries corresponding die openings through which the punch pegs penetrate to cut the holes in the material when the plates are pressed together. An adjustable slide member is removably mounted on the female plate for engagement with the posts to lock the hole punch in the collapsed position. The slide member also acts as an adjustable stop guide for positioning the material within the hole punch.Type: GrantFiled: January 25, 1996Date of Patent: October 7, 1997Inventor: Douglas Edward Rigney
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Patent number: 5671647Abstract: A paper cutter comprising: a bed for placing paper to be cut thereon; a rail mounted on the bed; a slider made slidable along the rail; and a rotary blade carried by the slider for cutting the paper as the slider is moved. Further comprised are springs for supporting the two ends of the rail therethrough on the bed so that the rail may move up and down. The rail has its lower face formed on its end edge with a cutting position determining face such that the slider is fitted on the rail in a position where the rotary blade runs along the positioning face. With this construction, the rail itself is supported in a floating state on the bed. As a result, the paper is cut with the rotary blade by lowering the floating rail with the depression of the slider and by clamping the paper under pressure only at the portion to be cut between the rail and the bed as the slider is moved.Type: GrantFiled: July 10, 1995Date of Patent: September 30, 1997Assignee: Carl Manufacturing Co., Ltd.Inventor: Chuzo Mori
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Patent number: 5669278Abstract: A knife holder for receiving wedge-shaped microtome knives, in particular regrindable hard metal or steel knives, has a base and upwardly open right and left clamping jaws for receiving the knife. The upwardly open configuration allows easier exchange of knives. The clamping jaws are mounted pivotably to the base to allow clearance angle adjustment of the cutting knife. Each clamping jaw has a clamping screw for securing the cutting knife in the clamping jaws. A height-adjustable knife rest is provided for supporting the back of the knife. A clamping plate is detachably positioned between the knife and the clamping screws, which clamping plate bridges the distance between the clamping jaws for stabilizing the cutting knife. The holder has at least one spring suspension for suspending the clamping plate to the clamping jaws.Type: GrantFiled: February 28, 1996Date of Patent: September 23, 1997Assignee: Leica Instruments GmbHInventor: Rolf Metzner
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Patent number: 5666728Abstract: A cuticle trimmer having a first cutter assembly, wherein pivotally mounted within the first and second cutter plates of the first cutter assembly is a second cutter assembly. The first cutter assembly terminates in concave blade edges for cooperation relative to one another, with the second cutter assembly having cooperative convex blade edges to accommodate various cuticle cutting conditions. A file plate is further employed mounted between the third and fourth cutter plates of the second cutter assembly.Type: GrantFiled: February 13, 1995Date of Patent: September 16, 1997Inventor: Jose Belchior Silva
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Patent number: 5666735Abstract: A can opener having a housing, a cutting blade, a can moving system, and a lid retainer. The cutting blade is movably connected to the housing between a cutting position and a retracted position. The lid retainer is pivotably connected to the housing between a recessed position in a recess of the housing and an extended position. The cutting blade is located in front of the recess when it is in its retracted position to keep the lid retainer in the recess. However, when the cutting blade is moved to its cutting position, the cutting blade is moved out of the path of the recess to allow the lid retainer to move from its recessed position to its extended position. The cutting blade can also push the lid retainer back to its recessed position when the cutting blade is moved back to its retracted position.Type: GrantFiled: June 22, 1995Date of Patent: September 16, 1997Assignee: Black & Decker Inc.Inventors: Richard B. Kosten, Robert A. St. John
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Patent number: 5662018Abstract: In a cross-cutter, particularly for small paper formats, having two knife shafts driven in synchronized opposing manner, provided with two knife sets, which are so mutually staggered on the two knife shafts that in a specific rotation position association of the two knife shafts only one of the sets engages, whereas the other knives pass through the cutting gap without cooperating with a corresponding counterknife. It is therefore possible for one knife shaft set to implement several synchronous lengths of cut by merely changing the reciprocal rotation position association of the knife shafts with respect to one another.There is further provided a system for setting the backlash of the synchronizing gear to a minimum at several positions of a gear circumference by hydraulicly widening pockets in the gear body.Type: GrantFiled: May 17, 1995Date of Patent: September 2, 1997Assignee: bielomatik Leuze GmbH & Co.Inventor: Hansjorg Klein
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Patent number: 5659961Abstract: A cutting tool for sheet material such as plasterboard, plywood, plastic, masonite or metal comprising two portions which are aligned and secured by magnetic attraction, such as permanent magnets or electro-magnetic devices. Each portion includes a cutter and device for adjusting the cutting depth. Cutting is accomplished by moving one of the portions, the other portion is simultaneously moved.Type: GrantFiled: October 14, 1994Date of Patent: August 26, 1997Assignee: Gyproc Group ABInventor: Stefan Borbrink
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Patent number: 5660095Abstract: An apparatus for slitting a stack of folded corrugated paperboard boxes utilizes a thin slitting blade mounted for continuous movement through a slitting station and defining a vertical slitting plane. A stack supporting table straddles the slitting blade support a stack of boxes in a stand-by position above the blade. Adjustable upstream and downstream squaring devices are operative to square and center the stack in the cutting plane and a vertically reciprocable ram operates to move the stack and the supporting table downwardly past the blade against a table biasing force to slit the stack into two half-size stacks. The squaring device is operable to re-square the slit half-size stacks prior to conveyance out of the slitting station. The slitting run of the continuous blade operates in a rigid blade holder which is adjustable to compensate for blade wear and to maintain the cutting edge of the blade in a fixed plane.Type: GrantFiled: June 7, 1995Date of Patent: August 26, 1997Assignee: Marquip, Inc.Inventors: Dean W. Smitterberg, William R. Nachtrab, Jr.
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Patent number: 5657676Abstract: Process for emptying liquids and/or gases from a container, in particular from a shock absorber, in which a tool is used to penetrate the wall of the container to create a drain opening, whereby the tool is driven into the container by means of a pressure pulse. The pressure pulse is thereby generated by means of a controlled propellant charge inside a tool propellant chamber.Type: GrantFiled: October 27, 1994Date of Patent: August 19, 1997Assignee: Fichtel & Sachs AGInventor: Manfred Koller
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Patent number: 5657677Abstract: The apparatus for cutting semi-rigid sheets one by one, in particular corrugated cardboard sheets, comprises a cutting tool fixed on a tool-carrier plate, a backing cylinder, at least one independent motor having electronic servo-control and rotatable in either direction driving the tool-carrier plate in its reciprocating motion, and device for monitoring rotation of the backing cylinder and connected to a controlling electronic circuit provided with an input for receiving operating parameters including at least the length l of the cutting tool. The electronic circuit is programmed so that the amplitude of the reciprocating motion is a function of the parameter l and so that the linear speed of the tool-carrier plate is constantly equal to the peripheral linear speed of the backing cylinder so long as the cutting tool is in contact with said backing cylinder.Type: GrantFiled: April 15, 1994Date of Patent: August 19, 1997Assignee: Etablissements CuirInventors: Jean-Pierre Cuir, Gerard Cuir
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Patent number: 5657542Abstract: A filament trimmer has an improved trimmer head. The trimmer head includes a spool having crush ribs on its core to prevent contraction of the filament line from warping or otherwise damaging the spool. A slot shaped exit aperture is provided in the head which can be opened up when the head is disassembled to allow the filament line to be more easily placed therein, but which will be closed when the head is fully assembled and will constrain the line against excessive vertical movement. The head includes a line indexing system for feeding out additional line in which one of the groups of the conventional teeth in such system are vertically spaced away from the spool flanges and are placed on a spool core extension. A dirt seal is provided to help prevent from passing around the ground engaging member of the indexing system. Finally, the head includes a self threading drive shaft that forms the attachment threads for the head into the head when the head is threaded onto the drive shaft.Type: GrantFiled: June 6, 1995Date of Patent: August 19, 1997Assignee: The Toro CompanyInventors: Donald M. White, III, Chris A. Wadzinski
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Patent number: 5655426Abstract: An interface for incorporation between an articulated arm robot and a cutting nozzle for cutting a circular opening in a workpiece. The interface includes apparatus for moving the cutting nozzle independently of the arm robot. The interface includes a first moving mechanism for moving the cutting device linearly to an offset position with respect to an axis extending through a center of the opening to be cut, and a second moving mechanism for moving the offset cutting nozzle in a circular path around the axis to cut the opening.Type: GrantFiled: March 24, 1995Date of Patent: August 12, 1997Assignee: Cambridge Industries, Inc.Inventor: Robert G. DeJohn
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Patent number: 5653033Abstract: A hand-held cordless power tool housing an onboard battery powered motor driving a power take-off gear, meshing with a driven gear on a shaft extension carrying a bevel drive gear meshing with an enlarged bevel gear for driving a cutting disc in a counterclockwise direction, and housing enclosing structure carrying the enlarged bevel gear to drive the work engaging cutter disc. The power tool is structured to control the depth of cut in a work piece of the cutting disc, and carries a roller element to ride on a work piece during cutting.Type: GrantFiled: August 28, 1995Date of Patent: August 5, 1997Inventor: Tommy M. McDowell