US3581459A - Bagging machine - Google Patents

Bagging machine Download PDF

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Publication number
US3581459A
US3581459A US678574A US3581459DA US3581459A US 3581459 A US3581459 A US 3581459A US 678574 A US678574 A US 678574A US 3581459D A US3581459D A US 3581459DA US 3581459 A US3581459 A US 3581459A
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United States
Prior art keywords
bags
scale
bag
chute
dispensing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US678574A
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English (en)
Inventor
James D Elliott
Alex G Osika
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGMC Inc A CORP OF TX
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AMF Inc
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Assigned to AMF WYOTT, INC., A CORP. OF WYOMING reassignment AMF WYOTT, INC., A CORP. OF WYOMING ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AMF INCORPORATED
Assigned to EGMC, INC., A CORP. OF TX reassignment EGMC, INC., A CORP. OF TX ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AMF WYOTT, INC., A WY CORP
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing

Definitions

  • the present invention relates to a bagging machine and particularly to a portion dispensing and bagging machine, in which the portion is made of a plurality of pieces.
  • a weighing system having a scale, a portion-bag assembler disposed below the scale, a bag storage unit disposed adjacent the assembler and a take-away conveyor disposed below the assembler.
  • FIG. l is a front elevation view of one embodiment of the invention.
  • FIG. 2 is a plan view taken along the line 2-2 of FIG. 1;
  • FIG. 3 is a sectional view taken along the line 3-3 of FIG. 1;
  • FIG. 4 is an enlarged view of a portion of the device above section line 2-2 on which FIG. 2 is taken;
  • FIG. 5 is a sectional view taken along the line 5-5 of FIG. 2.
  • one embodiment of the present invention is a portion and bag storage dispensing and assembling machine I0.
  • Machine has a material storage and dispensing unit 12, a portion metering and dispensing unit 14, for dispensing pieces 16 of a material in portions, a bag storage and dispensing unit 38, a portion and bag 20, a bag conveyor 22, and control means 24, for coordinating units l2, 14, 18 and 20.
  • Storage unit 12 includes a hopper 26 for storing a plurality of said pieces 16 of material, a vibrator assembly 28 for dispensing the pieces 16 in portions by vibrating the hopper 26 as explained hereafter, and a support structures 30, which sup ports hopper 26 and vibrator 28.
  • Hopper 26 has a bottom wall 32, a pair of sidewalls 34, 36, and a pair of end walls 38, 40, which together form an open chamber 42, in which the food pieces 16 are stored.
  • Wall 34 has an opening 44 through which the food pieces 16 are dispensed from chamber 42.
  • Bottom wall 32 supports first and second barrier walls 46, 48, which extend upwardly from bottom wall 32 into chamber 42, and which are disposed adjacent to opening 44 for regulating the flow of food pieces 16 from chamber 42 to opening 44.
  • Vibrator assembly 28 has a mounting plate 50, a pair of front link assemblies 52, 54, and a pair of rear link assemblies 56, 58, connecting mounting plate 50 to hopper bottom wall 32. Vibrator 28 also has a crank assembly 60 connecting to from link assemblies 52, S4, and an electric motor 62 for driving crank 60.
  • Support structure has a pair of sidewalls 64, 66, a pair of end walls 66, 70 forming an enclosure 72.
  • Vibrator mounting plate 50 is supported on support structure 30.
  • Hopper opening 44 may also have a door 74, which is opened and closed by a door actuator 76 with a solenoid 78.
  • door 74 may be eliminated, as explained hereafter.
  • Support structure 30 may also have a bulk feeding unit 80 disposed above chamber 42 for ease of feeding material to chamber 42.
  • the apparatus of this invention may also be equipped with a waste collector tray 82 with a center plate portion 84 connecting to walls 64, 66, 68, and a curb portion 86 extending around center plate 84.
  • the waste collection tray 82 is located near the bottom of the support structure 30.
  • a plurality of pieces 16 of material such as fried potatoes, are vibrated in hopper 26 in such a manner that they move past barrier walls 46, 48 and through opening 44 into meter unit 14.
  • the vibration of hopper 26 is stopped, hopper door 74 is closed, the bag dispenser l8, and bag conveyor 22 are actuated.
  • Control means 24 includes a switch 88, which is actuated by meter unit 14 when sufficient pieces 16 are deposited in meter unit 14, as explained hereafter, and which controls the vibration of hopper 26, the operation of bag dispenser l8, and bag conveyor 22. If the reaction time of switch 88 in meter unit 14 is brief enough, door 74 may be eliminated, since extra pieces 16 would not fall from opening 44 into meter unit 14 with such performance.
  • Barrier walls 46, 48 are sized, designed, and arranged to accurately control the flow of pieces 16 to opening 44.
  • Previous attempts at feeding from a storage hopper into a weighing device have failed due to an inability to maintain a constant feed rate.
  • a full hopper would dispense product at a much faster rate than one say one-quarter full, or else would not dispense at all. This variation in rate would be reflected in a variation of weight of portion.
  • the usual way around the problem has been to use a two-stage system with the storage hopper dispensing into a fine feeder and the fine feeder (usually a vibratory device) feeding into the scale.
  • This invention reduces the complication and expense of the two-stage system by making a one-stage system or machine 10 that will do the job.
  • the following physical considerations are important in the design ofthe system or machine 10.
  • the amplitude of the vibration (or oscillation) of the hopper 26 must be great enough so that the relatively springy nature of the pieces 16 of product does not absorb all the motion within the mass of the pieces 16 of product. With the hopper 26 full to capacity, sufficient movement must reach the product at the top of the mass to insure movement.
  • the frequency of vibration must be low, so as to not have to require excessive force to generate sufficient amplitude, and because the damping of vibration by the product is much greater at higher frequencies.
  • the best combination is in the range of about 560 cycles per minute and five-sixteeth inch total amplitude, with a plus of minus 10 percent variation.
  • Constrictions must be placed in the flow path so that the entire mass does not move at once to the discharge opening 44.
  • the design of the constriction is important. It was previously noted that vibratory movement must reach the top of the mass to insure movement. This is because the product at the bottom of any constriction tends to jam.
  • the constricted area therefore, must be topless so that as product moves toward the constriction the actual feed thru is at the top.
  • the constricted area may be found to function best if the top and bottom widths are not the same and depending on the volume of stored product and the nature of the product, it may be neces sary to have several constrictions in both series and parallel.
  • two barriers 46, 43 are centrally located so that a constriction is formed at each side, for a total of 5 constrictedareas in all.
  • the first four constrictions 90, 92, 94, 96 are in series parallel.
  • the last constriction is, of course, the opening 44 thru which the pieces 16 are fed to the meter unit 14.
  • hopper 26 is driven by crank assembly 60 and is not shock mounted in any way.
  • the crank assembly 60 is, in turn, driven preferably by the constant-speed electric motor 62. By driving in this way, a constant amplitude system, rather than the more common constant force system used on most vibratory equipment, is provided.
  • Meter unit 14 includes housing 98, a bracket 100, control switch 88, a scale pivot assembly 102, which is supported by bracket 100, and a scale 104 with left and right walls 106, 108 (as illustrated in FIG. 3) supported by scale pivot assembly 102. Walls 106, 108 form a scale cavity 110 into which the pieces 16 of material are dropped. When a specific weight of pieces 16 is reached, scale pivot assembly 102 engages control switch 88 to shut off hopper vibrator 28.
  • Scale pivot assembly 102 includes a U-shaped channel member 112, a first pair of opposite, coaxial pivot members 114, 116, which pivotally support channel 112 from bracket 100, and a second pair of opposite coaxial pivot members 118, 120, which are axially offset from the first pair of pivots 114, 116, and which support scale 104.
  • Opening 44 is closed by solenoid-operated door 74 that shuts when the scale 104 is filled.
  • the door solenoid 78 and the motor 62 are controlled by switch 88 mounted on the scale 104.
  • switch 88 mounted on the scale 104.
  • the door 74 is closed and the vibrator 28 is stopped.
  • the door 74 has a small mass and therefore closes quickly, while the hopper 26 may continue to shake for another second or two.
  • Control means 24 has a control motor 122 with a gear box 124, which is turned on by scale switch 88, when scale 104 is tipped.
  • Gear box 124 has a belt 126 connecting to and driving conveyor 22.
  • Gear box 124 has a drive shaft 128 with a crank arm 130, and has an elongate lever 132, which connects to crank arm 130 and which engages scale 104.
  • motor 122 turns crank 130 and displaces lever 132.
  • Lever 132 pushes a dumping arm 134 on scale 104, thereby dumping the pieces 16 from the scale 104.
  • On scale 104 rotating the left scale hopper wall 106 about pivot members 118 and 120 clockwise as shown in PK]. 3 causes the hopper to open.
  • Right scale hopper wall 108 is prevented from so rotating by a stationary stop 500 mounted on bracket 100 and a tab 501 protruding from right hopper wall 108 (shown in H0. 1).
  • Bag storage and dispensing unit 18 includes a gravity chute 136, which is disposed below scale 104 and which conveys the pieces 16 from scale 104, a sweeper unit 138 to push the pieces 16 through the chute 136, and a bag stripper 142, which urges each bag 144 onto the conveyor.
  • Chute 136 is slidably supported by a support member 146, fixed to structure wall 64.
  • Chute 136 has front and rear walls 148, 150, left and right walls 152, 154, forming a passage 156 with an upper inlet opening 158 and a lower outlet opening 160.
  • Left wall 152 has an opening 162 through which sweeper arm 166 extends to clean out chute 136.
  • Support member 146 has a slide track 164 which holds chute 136, so that lever 132 can slide chute 136 downward relative to member 146, as explained hereafter.
  • Sweeper 138 has an arm 166 with a bearing portion 168, which is journaled in a bracket 170 mounted on chute 136. Arm 166 turns about its bearing 168 relative to bracket 170 when chute 136 is displaced. Arm 166 pushes through opening 162 and prevents jamming of food pieces 16 in chute 136. Sweeper 138 also includes a rack gear 172 fixedly connected to structure wall 64, and a cooperating pinion gear 174 fixedly connected to arm bearing portion 168 for turning arm 166 when chute 136 is displaced.
  • Chute 136 and lever 132 are connected by a slidable connection 176, so that lever 132 can displace chute 136 after lever 132 dumps the pieces 16 into chute 136 from scale 104.
  • Bag stripper 142 which moves the filled bag 144 onto conveyor 22, is fixedly connected to chute right wall 154.
  • Stripper 142 has a pusher portion 178, which pushes down on the bag 144, as explained hereafter.
  • Bag dispenser unit 18 includes an air blast unit 180 for opening the bag 144 and a bag holder unit 182 for holding a plurality of the bags 144.
  • Air blast unit 180 has a hollow duct 184 supported by member 146.
  • Duct 184 has a bottom wall 186, two sidewalls 188, and two end walls 192, 194, which form an air plenum chamber 196.
  • Chamber 196 is supplied by an air blower 198 mounted on wall 190.
  • Duct 184 has an air passage 200 connecting the chamber 196 to a duct outlet opening 202, extending through end wall 192 and facing the bag holder unit 182.
  • Air blower 198 is actuated by scale switch 88 when scale 104 is tipped to immediately open the bag 144 by sending an air blast through opening 202.
  • Bag holder unit 182 which is supported by duct end wall 192, has a bag support member 204 with two hook portions 206, 208, which extend through a pair of holes 210, 212 in each bag 144.
  • the bag 144 which is first in line and which faces opening 202, is opened by an air blast from the opening 202.
  • Bag holder unit 182 also has a pusher plate 214 with a pivot 216, supported by duct end wall 192, and has a tension spring 218, which extends from duct sidewall 188 to pivot 216 and which rotates plate 214 against the bags 144.
  • Bag conveyor 22 includes a drive sprocket 220, which is connected to gear box 124 by belt 126, and an idler sprocket 222, and a chain 224.
  • Sprockets 220, 222 are rotatably supported by shafts 226, 228 mounted on wall 647
  • Chain 224 is supported on sprockets 220, 222 and has a plurality of bag carriers 230.
  • Motor 122 positions a carrier 230 under the bag 144 being filled after switch 88 is actuated. After the bag 144 is pushed down by pusher 178 into carrier 230, the carrier 230 continues to advance and completes its forward step.
  • Conveyor 22 also has a shutoff switch 232, which is disposed adjacent to idler sprocket 222.
  • a shutoff switch 232 is disposed adjacent to idler sprocket 222.
  • Vibrator 28 upon being energized, vibrates hopper 26 and fills scale 104. When scale 104 is full and tips, scale 104 engages switch 88, which shuts off vibrator 28, and closes hopper door 74.
  • Control motor 122 is energized by switch 88 when scale 104 is tipped; and drives conveyor 22 forward a slight distance until a carrier 230 is positioned below scale 104.
  • Air blower 198 is also energized by switch 88 when scale 104 is tipped and immediately opens the end bag 144 in bag dispenser 18 by an air blast.
  • Control motor 122 moves lever 132 downward so that lever 132 opens scale 104, dropping the food pieces 16 from scale 104 through chute 136, and into the open bag 144.
  • Lever 132 continues to move down urging the pusher portion 178 of stripper 142 against the open bag 144 filled with food pieces 16, downward into carrier 230. Thereafter, carrier 230 again moves forward slightly until the conveyor 22 has advanced a full step.
  • a bagging machine comprising means to assemble respective portions into respective bags including a material storage and dispensing vibrating hopper having a discharge opening and a plurality of barrier walls extending upwardly from the bottom of said hopper and laterally across the flow path of material in the hopper to form constricted areas in the flow path of the material so that all the material does not move at once toward the discharge opening; means dispensing said bags individually adjacent said assembling means; and means controlling and coordinating the timing and operation of said assembling means and said bag dispensing means.
  • the machine in claim 1 including means to convey said filled bags away from the assembling means, the operation of said means to convey said filled bags, the portion assembling means and the bag dispensing means being controlled and coordinated by the controlling and coordinating means.
  • control means includes a motor connected to the takeaway conveyor; and an actuator driven by said motor and connected to said assembling means and to said bag dispensing means for actuating and coordinating said assembling means and bag dispensing means.
  • a weighing scale connecting to said control means for weighing portions of food pieces and for actuating said control means when the scale is filled;
  • a gravity chute disposed below said scale and disposed above said bag dispensing means for filling the portions into bags
  • a bag holding means for holding a plurality of bags and for positioning a specific bag below said gravity chute;
  • an air blast unit for opening the specific bag after it is positioned for receiving the portion.
  • a bagging machine comprising means to assemble respective portions into respective bags including a material storage and dispensing vibrating hopper having a discharge opening and a plurality of barrier walls extending upwardly from the bottom of said hopper to form constricted areas in the flow path of the material so that all the material does not move at once toward the discharge opening; means dispensing said bags individually adjacent said assembling means; and means controlling and coordinating the timing and operation of said assembling means and said bag dispensing means;
  • said means assembling respective portions into respective bags including a weighing scale: connecting to said control means for weighing portions of food pieces and for actuating said control means when the scale is filled, and a gravity chute disposed below said scale and disposed above said bag dispensing means for filling the portions into bags, and a support structure supporting said scale and chute, and means for sweeping the portions disposed in said chute into said bags.
  • a bagging machine comprising means to assemble respective portions into respective bags; means dispensing said bags individually adjacent said assembling means; and means controlling and coordinating the timing and operation of said assembling means and said bag dispensing means, said assembling means including a weighing scale connected to said control means for weighing portions of materials to be bagged and for actuating said control means when the scale is filled, a gravity chute disposed below said scale and above said bag dispensing means for filling the portions into bags, means for sweeping the portions disposed in said chute into said bags, said sweeping means having an arm with a drive portion rotatably mounted outside said chute and with a sweeping portion disposed inside said chute and a support structure sup porting said scale and said chute.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Basic Packing Technique (AREA)
US678574A 1967-10-27 1967-10-27 Bagging machine Expired - Lifetime US3581459A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67857467A 1967-10-27 1967-10-27
AT251468A AT288650B (de) 1967-10-27 1968-03-14 Schalungselement aus Hartschaumstoff für die Herstellung von Mantelbetonwänden

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US3581459A true US3581459A (en) 1971-06-01

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US678574A Expired - Lifetime US3581459A (en) 1967-10-27 1967-10-27 Bagging machine
US806540A Expired - Lifetime US3581454A (en) 1967-10-27 1969-03-12 Formwork element

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Application Number Title Priority Date Filing Date
US806540A Expired - Lifetime US3581454A (en) 1967-10-27 1969-03-12 Formwork element

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US (2) US3581459A (de)
AT (1) AT288650B (de)
BE (1) BE724653A (de)
CH (1) CH485091A (de)
DE (1) DE1805703A1 (de)
FR (2) FR1586302A (de)
GB (2) GB1221859A (de)
LU (1) LU56824A1 (de)
NL (1) NL6811868A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727372A (en) * 1971-09-20 1973-04-17 Grace W R & Co Bag packaging system
US3807123A (en) * 1972-05-17 1974-04-30 Dake Corp Product packaging apparatus
US3859775A (en) * 1972-05-17 1975-01-14 Dake Corp Product packaging apparatus
US3889449A (en) * 1973-09-10 1975-06-17 Hercules Membrino Opening, filling and sealing device for thermoplastic bags
US5452559A (en) * 1994-08-08 1995-09-26 Lipes; Arnold Bagging machine with side bag gripping and transfer mechanism
US20020129585A1 (en) * 1999-10-27 2002-09-19 Gates George C. Bag filling and sealing machine and method for handling bags
US20080127617A1 (en) * 2006-11-30 2008-06-05 Neopost Technologies Selector device for selecting envelope flaps with a view to moistening them
US20140352844A1 (en) * 2011-08-18 2014-12-04 Basf Se Method for filling bags with granules

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151397C2 (de) * 1981-12-24 1986-12-04 Thermo Massiv Max Oetker, 2400 Lübeck Schalungselement aus geschäumtem Hartkunststoff für die Mantelbetonbauweise
FR2562171B1 (fr) * 1984-03-30 1988-07-08 Franchini Michel Dispositif et procede d'assemblage de plaques/panneaux
DE10140927A1 (de) * 2001-08-15 2003-02-27 Optima Filling & Packaging Einrichtung zum Versorgen einer Verpackungsmaschine mit Beuteln

Citations (9)

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Publication number Priority date Publication date Assignee Title
US2139903A (en) * 1937-01-12 1938-12-13 Mason Alfred Edwin Automatic weighing device
US2376289A (en) * 1942-02-04 1945-05-15 Stenglein Karl Packaging apparatus
US2546193A (en) * 1947-06-13 1951-03-27 Selmer A Mclbostad Bag filling and weighing machine
US2610726A (en) * 1949-07-01 1952-09-16 Pneumatic Scale Corp Material feeding conveyer
US2751134A (en) * 1953-08-17 1956-06-19 Alaska Juneau Gold Mining Comp Bag filling mechanism
US2760701A (en) * 1952-01-31 1956-08-28 Paul K Becker Apparatus for filling tubular containers
US2932483A (en) * 1956-12-10 1960-04-12 Pneumatic Scale Corp Weighing machine
US2983088A (en) * 1956-12-21 1961-05-09 United States Steel Corp Packaging machine
US3015921A (en) * 1960-05-16 1962-01-09 Baker Engineering Corp Packaging apparatus

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Publication number Priority date Publication date Assignee Title
GB488640A (en) * 1936-10-06 1938-07-06 Latif Tewfik Makram Improvements relating to bricks or blocks for general building and for furnaces
FR885051A (fr) * 1941-10-10 1943-09-03 Matériau de construction à alvéoles pour circulation d'air
CH244792A (de) * 1946-05-18 1946-10-15 Hafner August Hohler Baustein.
US2668435A (en) * 1948-11-12 1954-02-09 Clements Norman Thomas Hollow structural building unit
US3209510A (en) * 1960-04-08 1965-10-05 Nakanishi Masamitsu Method of constructing a column or frame
US3410044A (en) * 1965-07-23 1968-11-12 Contemporary Walls Ltd Foamed plastic based construction elements
US3478482A (en) * 1967-10-24 1969-11-18 Richard L Weir Building block construction

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2139903A (en) * 1937-01-12 1938-12-13 Mason Alfred Edwin Automatic weighing device
US2376289A (en) * 1942-02-04 1945-05-15 Stenglein Karl Packaging apparatus
US2546193A (en) * 1947-06-13 1951-03-27 Selmer A Mclbostad Bag filling and weighing machine
US2610726A (en) * 1949-07-01 1952-09-16 Pneumatic Scale Corp Material feeding conveyer
US2760701A (en) * 1952-01-31 1956-08-28 Paul K Becker Apparatus for filling tubular containers
US2751134A (en) * 1953-08-17 1956-06-19 Alaska Juneau Gold Mining Comp Bag filling mechanism
US2932483A (en) * 1956-12-10 1960-04-12 Pneumatic Scale Corp Weighing machine
US2983088A (en) * 1956-12-21 1961-05-09 United States Steel Corp Packaging machine
US3015921A (en) * 1960-05-16 1962-01-09 Baker Engineering Corp Packaging apparatus

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727372A (en) * 1971-09-20 1973-04-17 Grace W R & Co Bag packaging system
US3807123A (en) * 1972-05-17 1974-04-30 Dake Corp Product packaging apparatus
US3859775A (en) * 1972-05-17 1975-01-14 Dake Corp Product packaging apparatus
US3889449A (en) * 1973-09-10 1975-06-17 Hercules Membrino Opening, filling and sealing device for thermoplastic bags
US5452559A (en) * 1994-08-08 1995-09-26 Lipes; Arnold Bagging machine with side bag gripping and transfer mechanism
US20020129585A1 (en) * 1999-10-27 2002-09-19 Gates George C. Bag filling and sealing machine and method for handling bags
US20030131560A1 (en) * 1999-10-27 2003-07-17 Gates George C. Bag holder for bag handling machine
US6823654B2 (en) * 1999-10-27 2004-11-30 Gates Automation, Inc. Bag filling and sealing machine and method for handling bags
US6886308B2 (en) * 1999-10-27 2005-05-03 Gates Automation, Inc. Bag holder for bag handling machine
US20080127617A1 (en) * 2006-11-30 2008-06-05 Neopost Technologies Selector device for selecting envelope flaps with a view to moistening them
US20140352844A1 (en) * 2011-08-18 2014-12-04 Basf Se Method for filling bags with granules

Also Published As

Publication number Publication date
FR1586302A (de) 1970-02-13
NL6811868A (de) 1969-09-16
GB1233527A (de) 1971-05-26
BE724653A (de) 1969-05-02
CH485091A (de) 1970-01-31
DE1784573A1 (de) 1972-02-17
AT288650B (de) 1971-03-10
DE1805703A1 (de) 1969-06-04
LU56824A1 (de) 1968-12-17
FR2003844A1 (de) 1969-11-14
GB1221859A (en) 1971-02-10
US3581454A (en) 1971-06-01

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Legal Events

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AS Assignment

Owner name: AMF WYOTT, INC., 1938 WYOTT DRIVE CHEYENNE, WY. 8

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AMF INCORPORATED;REEL/FRAME:004484/0351

Effective date: 19851112

AS Assignment

Owner name: EGMC, INC., A CORP. OF TX

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AMF WYOTT, INC., A WY CORP;REEL/FRAME:004760/0288

Effective date: 19860611