Tool Engages Work During Dwell Of Intermittent Workfeed Patents (Class 83/202)
  • Patent number: 10913295
    Abstract: An anti-stuck driving device comprises: a movable blade, a movable blade driving unit, and a controller. The movable blade driving unit comprises a transmission assembly, a motor configured to drive the transmission assembly, and a connecting element connected between the transmission assembly and the motor. The transmission assembly links the movable blade moving back and forth linearly. The controller connects to the motor. When the movable blade is stuck, the controller controls the motor to drive the connecting element to rotate in reverse to separate the transmission assembly and the connecting element, and release a resistance of the transmission assembly. The present invention also discloses a printer using the anti-stuck driving device with malfunction repairing.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: February 9, 2021
    Assignee: XIAMEN HANIN ELECTRONIC TECHNOLOGY CO., LTD.
    Inventors: Lianding Yu, Chunpeng Wu
  • Patent number: 10730321
    Abstract: A cutter of a printer including a rectangular housing in which a paper feeding roller and a fixed blade are integrally coupled to each other. The cutter includes a movable member corresponding to a plate-shape member having a slot at the center of a body provided at an upper side of the housing corresponding to the fixed blade such that a movable blade at one side is engaged with the fixed blade while being selectively reciprocally moved. The cutter includes a motor within the housing generating a forward or reverse driving force, a gear unit including a driving gear installed in a driving shaft of the motor, a reduction gear engaged with the driving gear and an idle gear engaged with a shaft gear. The cutter includes an eccentric plate coupled to an upper surface of the driven gear for applying external force for reciprocal motion to the movable member.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 4, 2020
    Inventor: Il-Bok Lee
  • Patent number: 10442099
    Abstract: System and methods for performing a full cut and a partial cut of paper are disclosed herein. According to an aspect, a system comprises a paper cutter system comprising a motor operable to move in either a first direction or a second direction. The paper cutter system also comprises a movable blade. The paper cutter system also comprises a cutter mechanism configured to move the blade to perform a full cut of paper when the motor moves in the first direction and move the blade to perform a partial cut of paper when the motor moves in the second direction.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: October 15, 2019
    Assignee: Toshiba Global Commerce Solutions Holdings Corporation
    Inventors: Kevin Vorhees, Richard Harris
  • Patent number: 9446609
    Abstract: A cutter device includes a cutter configured to cut a material to be cut; a carriage having a cutter and moving in a widthwise direction with respect to a feeding direction of the material to be cut; and a guide unit configured to guide the carriage in the widthwise direction and, assuming that the movement of the carriage when the cutter cuts the material to be cut is an outward route, a homeward route of the cutter of the carriage is different from the outward route of the cutter, and is shifted from the outward route toward one material to be cut which moves first in the direction away from the other material to be cut in the feeding direction immediately after the cutting from between the materials to be cut divided into two parts.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: September 20, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Norihiro Yamashita, Eiji Kumai, Yuta Tsukada, Shoji Akatsu
  • Patent number: 8997616
    Abstract: It is intended in an apparatus for successively making plastic bags that a plastic film 1 is cut by a Thomson blade 3 without making the Thomson blade 3 pressed with a large force. The Thomson blade 3 is brought into contact with the plastic film 1 on one of opposite sides of the plastic film 1 in a direction of thickness thereof while a rolling member 4 is brought into contact with the plastic film 1 and rolled and moved along the plastic film 1 and the Thomson blade 3 on the other side of the plastic film 1 in the direction of thickness thereof. The plastic film 1 is therefore sandwiched between and cut by the Thomson blade 3 and the rolling member 4 to successively make plastic bags.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: April 7, 2015
    Assignee: Totani Corporation
    Inventor: Mikio Totani
  • Patent number: 8561510
    Abstract: An adjustable foam insertion machine capable of inserting foam spacers of a user desired length into channels of cabinetry frames or other types of channels. The apparatus has a frame, a foam material feed, a foam material cutter assembly, a foam material holder, a foam material inserter, and a controller which controls and coordinates the operation of the aforesaid. The apparatus utilizes rolls of foam material, cuts them to a user desired length of foam spacer, and inserts the foam spacers pursuant to a user input. The apparatus is capable of quick, safe, and repeated foam spacer insertion without the requirement of a user feeding or utilizing pre-cut spacers or inserts.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 22, 2013
    Inventors: David Dixon, Scott Burke
  • Publication number: 20130092000
    Abstract: It is intended in an apparatus for successively making plastic bags that a plastic film 1 is cut by a Thomson blade 3 without making the Thomson blade 3 pressed with a large force. The Thomson blade 3 is brought into contact with the plastic film 1 on one of opposite sides of the plastic film 1 in a direction of thickness thereof while a rolling member 4 is brought into contact with the plastic film 1 and rolled and moved along the plastic film 1 and the Thomson blade 3 on the other side of the plastic film 1 in the direction of thickness thereof. The plastic film 1 is therefore sandwiched between and cut by the Thomson blade 3 and the rolling member 4 to successively make plastic bags.
    Type: Application
    Filed: May 24, 2011
    Publication date: April 18, 2013
    Applicant: TOTANI CORPORATION
    Inventor: Mikio Totani
  • Publication number: 20130074664
    Abstract: A complete-cut station for separating several packages from a coherent film. The complete-cut station may comprise several cutting tools, each cutting tool having cutting knives for separating one or more packages from the coherent film. At least one of the cutting tools may be adjustable with respect to its position relative to another cutting tool. In addition, a common lifting gear for all cutting tools may be provided to lift the coherent film to engage the cutting tools. The invention further relates to a corresponding method for separating packages from a coherent film using the complete-cut station of the present invention.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 28, 2013
    Applicant: Multivac Sepp Haggenmüller GmbH & Co. KG
    Inventor: Multivac Sepp Haggenmüller GmbH & Co. KG
  • Publication number: 20130042736
    Abstract: A cutting machine for cutting a liquid crystal panel includes a transferring device for transferring the panel, a positioning device for positioning the panel, and a main body for driving the transferring device and the positioning device to position the panel and for cutting the panel after the panel is positioned. The transferring device includes a first roller array for supporting and transferring the panel along a first direction and a second roller array for supporting and transferring the panel along a second direction. The positioning device includes a first positioning assembly, a second positioning assembly, a third positioning assembly, and a forth positioning assembly. The first positioning assembly cooperates with the second positioning assembly to position the panel along the first direction before the panel is cut, and the third positioning assembly cooperates with the forth positioning assembly to position the panel along the second direction.
    Type: Application
    Filed: October 31, 2011
    Publication date: February 21, 2013
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Hongtao Deng, Tsung-i Hung, Cheng-ming Huang
  • Publication number: 20130014625
    Abstract: An electrode plate manufacturing device of the invention includes: an original plate support portion that supports an original plate of an electrode plate; a first pressing portion; a frame-shaped punching-out blade; a support substrate; and a driving portion, wherein the first pressing portion is disposed at in an area inside of the frame shape of the punching-out blade and with a predetermined gap from the punching-out blade, and when the support substrate advances toward the original plate support portion, the first pressing portion presses the original plate and the punching-out blade cuts the original plate in accordance with the frame shape.
    Type: Application
    Filed: March 25, 2011
    Publication date: January 17, 2013
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroaki Yotsumoto, Yoshinori Matsunaga, Akira Tsuji
  • Publication number: 20120255410
    Abstract: A cutting apparatus that cuts a plate-like body in a feeding direction thereof includes: a first die disposed on one side of the plate-like body with a plurality of cutting blades, which include fixing portions, mounted thereon. A second die disposed on another side of the plate-like body with a plurality of cutting blades, which correspond to the cutting blades mounted on the first die, Fixing portions, mounted thereon by attaching the fixing portions and a driving apparatus for driving at least one of the first die and the second die toward the other die, wherein the lower mold and the upper mold have a plurality of attachment holes which, to enable the fixing portions to be inserted and mounted, are each formed with inner wall surfaces that contact the entire periphery of a fixing portion and an inner bottom surface that contacts a bottom surface of the fixing portion.
    Type: Application
    Filed: January 26, 2010
    Publication date: October 11, 2012
    Inventors: Hisayoshi Kido, Soyu Yoshihara
  • Patent number: 8245615
    Abstract: A tire tread skiving machine having an elongated frame with two spaced ends. An elongated cutting platen extends transversely across the frame between the two ends. An infeed conveyor conveys extrusions to the cutting platen while an outfeed conveyor conveys extrusions away from the platen. A rail assembly is mounted to the frame above the cutting platen and a carriage is movably mounted to the rail assembly. A rotatably driven skiving blade is mounted to the carriage and cuts the extrusion at the cutting platen as the carriage moves along the rail assembly. The rail assembly is pivotally mounted to the frame so that the dynamically variable angle of the cut made by the skiving blade may be varied.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: August 21, 2012
    Inventor: Paul Brazier
  • Patent number: 6684743
    Abstract: A gear drive system for a printer designed to print upon a continuous roll of paper and having a blade used to cut off printed portions of paper from the paper roll is implemented. The gear drive system consists of a drive shaft 330, a slip clutch 401, a clutch gear 116, a drive gear 110, and a staggered gear 112 which controls the paper cutter blade 106. During printing, clutch 401 allows the drive shaft 330 shaft to slip relative to the clutch gear 116. When printing stops, clutch 401 locks clutch gear 116 which is engaged with the first portion of staggered gear 112 and causes staggered gear 112 to rotate until the second portion of staggered gear 112 engages the drive gear 110. Staggered gear 112 is then driven by the drive gear 110. A cutter blade is controlled by staggered gear 112, with the blade cutting off the paper as the drive gear 110 is in reverse rotation.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: February 3, 2004
    Assignee: International Business Machines Corporation
    Inventors: James Gabriel Brewington, Richard Hunter Harris
  • Patent number: 6257113
    Abstract: An apparatus for the production of tire sectors from used tires wherein the tire sectors remain interconnected in the area of the tire tread. The apparatus comprises a support with at least a portion inserted within the inner section of the tire and the support has at least two spaced apart and arc-shaped abutments for supporting the tire sidewalls. At least one knife for cutting the sidewalls of the tire without cutting the tread, wherein the abutments have multiple passageways to allow the knife to move through the abutments during a cutting operation when the knife moves from a mid position to an end position. The apparatus can include punching dies for punching openings into the tire sidewalls.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: July 10, 2001
    Inventor: Wolfgang Lederbauer
  • Patent number: 6192778
    Abstract: A cutting apparatus for separating packages from a line of interconnected packages. The technical problem is to simplify the cutting apparatus and shorten the set-up times and the work cycles. This problem is achieved with a lower knife (4) capable of being moved in between the packages in the vertical direction from below and with an upper roll (12) capable of being moved, together with a discharge gripper (11) for the separated packages, parallel to the conveying section while being pressed against the lower knife.
    Type: Grant
    Filed: February 2, 1999
    Date of Patent: February 27, 2001
    Inventor: Thies Eggers
  • Patent number: 6182550
    Abstract: A gear drive system for a printer designed to print upon a continuous roll of paper and having a blade used to cut off printed portions of paper from the paper roll is implemented. The gear drive system consists of a drive shaft 330, a slip clutch 401, a clutch gear 116, a drive gear 110, and a staggered gear 112 which controls the paper cutter blade 106. During printing, clutch 401 allows the drive shaft 330 shaft to slip relative to the clutch gear 116. When printing stops, clutch 401 locks clutch gear 116 which is engaged with the first portion of staggered gear 112 and causes staggered gear 112 to rotate until the second portion of staggered gear 112 engages the drive gear 110. Staggered gear 112 is then driven by the drive gear 110. A cutter blade is controlled by staggered gear 112, with the blade cutting off the paper as the drive gear 110 is in reverse rotation.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: February 6, 2001
    Assignee: International Business Machines Corporation
    Inventors: James Gabriel Brewington, Richard Hunter Harris
  • Patent number: 6152007
    Abstract: A sheet cutter has a fixed blade and a movable blade. The fixed blade has a straight edge extending in a lateral direction with respect to a longitudinal direction of a sheet to be cut, and the movable blade is provided so as to be moved in the longitudinal direction. The movable blade has an edge on a side of a blade end portion extending in a direction making a first angle with the straight edge of the fixed blade. The edge of the movable blade is pressed against the edge of the fixed blade.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: November 28, 2000
    Assignee: Japan CBM Corporation
    Inventor: Hitoshi Sato
  • Patent number: 6142045
    Abstract: An apparatus and method of cutting abrasive discs from an eight inch wide or smaller roll of abrasive material that is automated, lightweight, and economical. After a disc is cut by steel rule die punch assembly, a web from the roll pulls the cut disc over a cut out where it falls to be collected, the cut disc is assisted by a material removal mechanism, the process then repeats itself.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: November 7, 2000
    Inventor: Howard Coxe
  • Patent number: 6109154
    Abstract: A sheet cutter cuts a portion of a continuous sheet, discharged through a gap between a pair of moving and stationary knives respectively having arc-shaped and straight knife edges. A motor rotates a pair of rotatable, identical gear wheels engaged with each other and opposed to the moving knife and having a pair of respective link arms thereon. Each link arm has a first end connected to a peripheral position of the respective gear wheel by a pivot thereon and a second end connected to the moving knife by a pin inserted into a respective one of a pair of horizontally extending slits in the moving knife.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: August 29, 2000
    Assignee: Fujitsu Takamisawa Component Limited
    Inventors: Keiji Miyatsu, Yukihiro Mori, Masami Ishizawa
  • Patent number: 6070508
    Abstract: In a process for cutting a deformable body, e.g., a clay column, into individual shaped bodies by using at least one cutting wire, the body is first provided with notches about its periphery by a known notching device. During the subsequent cutting, the body is supported by support strips that engage in the notches on both sides of the cut edges. The body is thus not deformed during cutting, no undesirable cutting edges are left and the notch definition remains.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: June 6, 2000
    Assignee: Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG
    Inventor: Hans Grimme
  • Patent number: 5979278
    Abstract: A method for cutting piled fabric is provided. The method includes the steps of bending the pile elements downward towards the fabric base along a line to be cut and thereafter cutting through the bent piling elements and fabric base to form a two-sided cut. Such method shears piling elements adjacent to one side of the cut while leaving the pile elements adjacent to the other side of the cut substantially unaltered.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: November 9, 1999
    Inventors: William Perry Warthen, John Bonner Manly, Jr.
  • Patent number: 5566601
    Abstract: An apparatus for cutting away containers, arranged in rows in a foil web having support platforms, which are rotatable perpendicular to the conveying direction and are surrounded by receptacles of a vertically movable die. To cut the containers away from the foil web, the die cooperates with a likewise vertically movable cutting knife. The support platforms have support faces, which have two different extensions offset from one another. If the support platforms are rotated with the die in the lowered position, then their maximal extensions form a gapless conveyor path for the containers, so that they can be removed from the apparatus without the danger of canting in the interstices between the support platforms.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: October 22, 1996
    Assignee: Robert Bosch GmbH
    Inventors: Peter Mueller, Martin Beck
  • Patent number: 5406872
    Abstract: A side-by-side material feed system is provided for feeding two dissimilar strips of material. The material is fed along parallel feed paths by first and second material feeders which move the material toward respective cutters. The operation of the feeders and the cutters is controlled by a programmable controller which permits each of the material strips to be fed and cut to form pieces of predetermined length which may be removed by an operator or conveyed to a subsequent station for further processing. In a further embodiment of the invention, the feeders are movable relative to a work station comprising a cutter associated with a common feed path extending between the cutter and a sewing apparatus. As each of the feeders is aligned with the work station, a predetermined length of material may be cut off by the cutter and conveyed along the common feed path to the sewing station.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: April 18, 1995
    Assignee: MIM Industries, Inc.
    Inventors: Ralph F. Conley, Jr., Young, James R.
  • Patent number: 5347699
    Abstract: A device for partially shearing single or multiple sheets of material comprising a base having a recess and a lower blade fixed in the recess. A pair of movable blades having opposed ends are pivotally attached to the base at one end. A lost-motion connecting link connects the free ends of the pair of movable blades together and is connected to a hydraulic piston which moves the link a limited distance towards the base, thereby to rotate both movable blades relative to the fixed blade with a scissors-like action. When the pair of blades is moved towards the lower blade, the material is cut inward from both sides or edges of the material, leaving an inner uncut portion of material having a width which corresponds to the stroke of the movable blades.
    Type: Grant
    Filed: December 11, 1992
    Date of Patent: September 20, 1994
    Assignee: ABB Power T&D Company Inc.
    Inventor: Thomas A. Ward
  • Patent number: 5303624
    Abstract: Motor-driven cutting apparatus for cutting sheet media are disclosed, particularly for use with plotter and printer apparatus. The cutting apparatus of one embodiment comprises two cutting members in which at least one of the cutting members is moved both angularly and linearly, e.g., pivoted and reciprocated, relative to the other to cut media placed between the two cutting members. In another embodiment, the cutting members are both simultaneously pivoted relative to each other. Rotary motion of a driving member, e.g. a motor shaft or a shaft coupled to a motor shaft, is converted to combined angular and straight line motion or only angular motion at one or both cutting members by a simplified coupling arrangement which may comprise simple sleeves with eccentric structure and pivot-type joints. Cutting apparatus according to the invention may be used for X-axis and/or Y-axis cutting.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: April 19, 1994
    Assignee: Summagraphics Corporation
    Inventors: John C. Ventham, Ralph J. Lake, Jr.
  • Patent number: 5277571
    Abstract: An apparatus for perforating a sheet material provides for a perforating die located intermediate two orbital rollers. The two orbital rollers move in orbital paths in the same orbital direction at the same speed and in positions which are 180 degrees apart. Each roller acts as a temporary storage input and output in opposite phase from each other so that incoming sheet material is alternately stored and dispensed as a loop on the orbital roller. Since the rollers are out of phase, this permits a segment of the sheet material to be stopped intermediate the orbital rollers so that the perforating die can act on the stopped segment.
    Type: Grant
    Filed: July 17, 1992
    Date of Patent: January 11, 1994
    Assignee: George Schmitt & Co., Inc.
    Inventor: Richard J. Brining
  • Patent number: 4848631
    Abstract: A cam shaft of a press feed having a first pair of cam surfaces is rotated at a preselected speed depending upon the speed of the press. Continuous rotation of the cam surfaces is converted to intermittent oscillating rotational movement of an output shaft through a preselected angle of rotation by a pair of cam followers. The cam followers are nonrotatably connected to an output shaft that is connected by an adjustable linkage mechanism to a slide block. The intermittent oscillating rotational movement of the output shaft is transmitted to the slide block to advance the slide block containing stock material such as a bar or wire through a preselected distance corresponding to a preselected feed length. The feed length is adjustable by changing the length of travel of the linkage mechanism with respect to the degree of rotation of the output shaft.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: July 18, 1989
    Inventor: Joseph Gentile
  • Patent number: 4729272
    Abstract: A wire rope salvaging apparatus provides a frame which supports an intermittent feed mechanism which moves wire rope to be cut a small length at a time as defined by the stroke of the feed mechanism. A blade also mounted on the frame cuts the wire rope at preselected interval lengths, the blade being movable between cutting and feeding positions. A timing mechanism coordinates movement of the feed and blade mechanism so that the blade first assumes a non-cutting position during the feeding when the wire is moving and then cuts the rope when the feed has stopped and the wire rope is at a still position.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: March 8, 1988
    Inventor: Kenward J. Clement
  • Patent number: 4648299
    Abstract: A tear-open strip is severed from a band of material having a width equal to the desired length of the tear-open strip by cooperation between a stationary knife-edge defining member and a pivotal knife-edge defining member. The knife edges form chords of a hyperboloid of revolution and are inclined relative to one another. The pivotal knive-edge defining member is provided with suction ports adjacent to the cutting edge whereby a severed strip may be transported by the knife to an intermittently moving sheet of packaging material to which the strip is subsequently bonded.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: March 10, 1987
    Assignee: Maschinenfabrik Alfred Schmermund GmbH & Co
    Inventor: Knecht Siegfried
  • Patent number: 4589315
    Abstract: A wire rope salvaging apparatus provides a frame which supports an intermittent feed mechanism which moves wire rope to be cut a small length at a time as defined by the stroke of the feed mechanism. A blade also mounted on the frame cuts the wire rope at preselected interval lengths, the blade being movable between cutting and feeding positions. A timing mechanism coordinates movement of the feed and blade mechanism so that the blade first assumes a non-cutting position during the feeding when the wire is moving and then cuts the rope when the feed has stopped and the wire rope is at a still position.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: May 20, 1986
    Inventor: Kenward J. Clement
  • Patent number: 4302995
    Abstract: In continuously blanking a coiled metal sheet, an operator rapidly detects parts of welded connection of a metal sheet without any manual touch of the metal sheet, removes the parts of welded connection and restarts the apparatus for blanking the metal sheet.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: December 1, 1981
    Assignee: Daiwa Can Company, Limited
    Inventor: Toshio Iino
  • Patent number: 4248112
    Abstract: A label machine for forming individual labels from an endless tape strip. The machine includes a novel label removal device which uses compressed air to insure removal of each label to a collection station after it is cut from the endless strip, thereby preventing hang-up of labels at the machine's cutter assembly. The machine also includes a novel tape feed mechanism that provides accurate label length control, thereby preventing waste of tape. These mechanisms are preferably used in combination with a printer head, the novel tape feed and label removal mechanisms cooperating to prevent printing errors between leading and trailing labels cut from the endless tape strip.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: February 3, 1981
    Assignee: Natmar, Inc.
    Inventor: Bobby J. Clay
  • Patent number: 4173161
    Abstract: A trim press for severing cup-shaped articles from a sheet of thermoplastic material in which the articles have been integrally formed as by a vacuum forming operation. A horizontally reciprocable punch is driven to sever articles positioned in a stationary die by a linkage arranged to drive the punch at a relatively slow speed during the severing operation to achieve a smooth shearing separation of the relatively soft thermoplastic material. The sheet is fed into the die in step-by-step movement through vertical sheet guides fixedly mounted in a treadle which is reciprocated with the punch at a proportionate speed. A flexible sheet guide connected between the guides in the treadle and a fixed point on the machine frame flexes to accommodate reciprocation of the treadle while continuously guiding the sheet to the guides on the treadle. Feed fingers mounted on the treadle advance the sheet to the die in step-by-step movement synchronized with the stroke of the punch.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: November 6, 1979
    Assignee: Leesona Corporation
    Inventors: Albert W. Arends, George L. Pickard
  • Patent number: 4138913
    Abstract: An input shaft is drivingly connected to a crankshaft of a punch press for rotation at a preselected speed. A geared cam drive drivingly connects the input shaft to a driven feed roll so that continuous rotation of the input shaft is converted to intermittent rotation of the feed roll. The intermittent rotation of the feed roll is timed with the punching operation so that the feed roll intermittently advances a preselected length of stock material to the punch press after each punching operation. Bevel gears drivingly connect the input shaft to a pull roll that rotates to continuously unreel stock material from a coil. During the punching operation, rotation of the feed roll is interrupted forming a loop in the stock material between the pull roll and the feed roll.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: February 13, 1979
    Assignee: Vamco Machine and Tool, Inc.
    Inventor: Patrick J. Gentile
  • Patent number: 3951023
    Abstract: Apparatus for feeding a continuous web of photosensitive paper into a reprographic machine so that the leading edges of the paper and a transparent master sheet to be copied are coincident as they enter exposure and developing stations, and to ensure that the tail end of the paper is cut, during continuous forward movement of the leading edge, so that the trailing edge of the severed paper coincides with the tail end of the master sheet. The feed path of the paper includes a curved portion defined by an arcuate-section guide and a concentrically mounted roller. A loop of paper is formed by moving the roller out of the guide and the rear end of the paper is then held stationary and cut by a guillotine while the paper forming the loop is continuously fed forward. The timing of the feeding and cutting operations on the paper is controlled by micro-switches actuated by the leading and trailing ends of the master sheet.
    Type: Grant
    Filed: June 11, 1973
    Date of Patent: April 20, 1976
    Assignee: Harper & Tunstall Limited
    Inventor: Adi Kaikhushiroo Ashburner
  • Patent number: RE29795
    Abstract: A self-contained unit to be attached to a power punch press to provide a feed for stock being fed to the press. The unit contains a direct drive from the punch press crankshaft to feed rolls which are located adjacent to the table of the press. A non-slip, positive, drive is provided from the crankshaft of the punch press to an index drive which receives continuous, uniform rotary motion and converts it into non-continuous, incremental movement of the index drive output shaft. A positive, non-slip drive is provided between the index drive output shaft and the power driven feed roll. The feed roll unit also contains a compressed air-operated cylinder arrangement to release the idler feed roll at a predetermined period during the punch press cycle so that the stock being fed to the press is free from the feed rolls during the pressing portion of the punch press operating cycle.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: October 10, 1978
    Assignee: Vamco Machine and Tool, Inc.
    Inventor: Harry Eyberger