l

ManualsBrandsllllll ManualsOtherl

United

States

Patent

[191

Frazier

a1.

llllll|l|l|lllllllllllllllllllllllllllllllllllllllllllllllllll

US005708339A

[11]

Patent

Number:

[45]

Date

Patent:

5,708,339

Jan.

13,

1998

[541

[75]

[731

[21]

122]

[62]

l5 11

[52]

[56]

BAG

NECK

GATHERING

STOP

Inventors:

Jimmy

Frazier,

Norman;

John

Richardson.

Oklahoma

City;

Greg

Coxsey,

Norman,

all

Okla.

Assignee:

Bnrford

Corporation,

Maysville,

Okla.

Appl.

No.:

583,567

Filed:

Jan.

1996

US.

Application

Data

Division

Ser.

No.

129,284,

Sep.

30,

1993,

Pat.

No.

5,483,134.

Int

Cl.6

.....................................................

G05B

5/00

US.

Cl.

........................

318/468;

318/626;

318/364;

53/1333;

53/583

Field

53113814383,

53/138.6—138.8,

139.4,

203.

583‘,

318/560-1,

567,

568.1,

569,

626, 445,

449-450,

466-470.

362,

364,

365

References

Cited

U.S.

PATENT

DOCUMENTS

10/1962

Burford

a].

6/1964

Burford.

6/1971

Gaudlitz

..................................

53/135

3/1972

Zellmm’

a1.

.........................

53/135

3,059,670

3,138,904

3,583,131

3,648,432

3/1973

7/1974

11/1975

7/1981

8/1985

5/1986

3/1988

8/1989

9/1989

6/1992

8/1992

3/1993

9/1994

1/1996

Frazier

a1.

........................

318/468

OTHER

PUBLICATIONS

Motorola.

MC68332

SIM

User’s

Manual

©Motorola

Inc..

1989.

Hewlett

Packard.

56mm

Diameter

Two

and

Three

Channel

Incremental

Optical

Eneoder

Kit,

BEDS-6000

Series pp.

1-8

(Pub.

No.

5954-8420,

Mar.

1987).

Primary

Examiner-David

Martin

Attorney

Agent,

Firm—Crutsinger

Booth

[57]

ABSTRACT

bag neck

tying

device

for

tying

ribbon

dispensed

from

a spool

about

gathered

neck.

pulley

and

proximity

switch

are

mounted

prevent

the

completion

tying

cycle

bag

neck

not

properly

gathered

and

ready

tied.

3,721,061

3,825,039

3,919,829

4,277,731

4,537,005

4,586,412

4,730,434

4,856,258

4,868,759

5,121,682

5,138,815

5,194,793

5,347,791

5,483,134

Claims,

Drawing

Sheets

Summary of content (22 pages)

PAGE 1
llllll|l|l|lllllllllllllllllllllllllllllllllllllllllllllllllll US005708339A United States Patent [191 [11] Patent Number: Frazier et a1. [45] Date of Patent: [75] Inventors: Jimmy R. Frazier, Norman; John D. Richardson. Oklahoma City; Greg P. Coxsey, Norman, all of Okla. [731 Assignee: Bnrford Corporation, Maysville, Okla. [21] Appl. No.: 583,567 Jan. 5, 1996 122] Filed: Related US. Application Data Division of Ser. No. 129,284, Sep. 30, 1993, Pat. No. l5 11 [52] Int Cl.6 .........................
PAGE 2
US. Patent Jan.
PAGE 3
US. Patent Jan.
PAGE 4
US. Patent Jan. 13, 1998 Sheet 3 0f 13 ' 5,708,339 FIG.
PAGE 5
US. Patent Jan. 13, 1998 Sheet 4 of 13 5,708,339 IlrIli|l .l ILhl Lr . - \D4111. r ..1.:.-1.2. 39 1 37 17 FIG.
PAGE 6
US. Patent Jan. 13, 1998 Sheet 5 of 13 FIG.
PAGE 7
US. Patent Jan. 13,1998 Sheet 6 of 13 5,708,339 6FIG.
PAGE 8
PAGE 9
PAGE 10
PAGE 11
US. Patent Jan.
PAGE 12
US. Patent Jan. 13, 1998 5,708,339 Sheet 11 of 13 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 600 400 200 —200 ‘ J1 ' -400 -600 —1000 —l200 4400 0 .02 .04 .06 .08 .10 .12 .14 .16 .18 .20 .22 24 .26 .28 SECONDS FIG. 11 .
PAGE 13
PAGE 14
US. Patent Jan.
PAGE 15
5,708,339 1 2 BAG NECK GATHERING STOP the disclosed closed loop control circuit may be used to control electric motors to drive apparatus for fastening This is a division of application Ser. No. 08/129,284 ?led Sep. 30, 1993 now U.S. Pat. No. 5,483,134. gathered materials in addition to the speci?c disclosed embodiment of the bag neck tying device.
PAGE 16
5,708,339 3 4 through a slot 122 between upper face plate 16 and lower face plate 17 for drawing the bag 125 to a controlled tension about the contents thereof. Needle assembly 40 wraps the ribbon 15 of the wire-like material about the gathered neck of the bag and twister hook 50 is actuated for twisting a portion of the wire-like material about the neck of the bag 125.
PAGE 17
5.708.339 5 6 of the gathered neck After the gathered neck passes lever whether or not a bag neck is present as needle 42 moves 80. the lever 80 moves back to the illustrated position from the full outline position illustrated in FIG. 2 of the drawing toward the dashed outline position illustrated in FIG. 2 of the drawing. If needle 42 did not wrap ribbon around a bag neck.
PAGE 18
5 ,708.339 7 8 comprises a pair of single-phase. doughnut transformers T1 connected in parallel. The supply or primary circuits of A molded lens beneath the phase plate aperture collects the modulated light into a silicon detector. The encoder body contains the phase plate and the detec transformers T1 are connectable to any suitable source of electricity such as 115 volt. 60 cycle. single-phase electric ity.
PAGE 19
5,708,339 9 10 A suitable 32-bit integrated microcontroller 96 is the MC68332 which is commercially available from Motorola. feedback concept for operation and the output PWM signals are forced to a pre-assigned function of the reference input of the microcontroller of the central processing unit. The microcontroller 96 sends control PWM signals determined by the programmed movements stored in RAM memory in Inc. of Schaumburg, lll. as a product referred to as “MC68332 SIM” System Integrated Module.
PAGE 20
5,708,339 11 12 and 32 will move the neck of the bag into engagement with R3 to the base of low rail inhibit transistor Q1. The emitter of low rail inhibit transistor Q1 is connected to the base of low rail transistor Q9. bag stop 80 causing the neck to be gathered. As the trailing edge of the neck of the bag passes over the end of switch arm 88. switch arm 88 will move back to the position illustrated in FIG. 3 causing switch 86 to send a signal to the micro controller for starting a new tying cycle.
PAGE 21
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