Automated Screw Conveyor technology

8/10/2019 Automated Screw Conveyor technology

1/6

_ 2 , 5 7 1 , 0 3 6

ct

9 , 1951 c .

A . HEYNE

ET AL

ARTICLE

CONVEYING AND

TINING NECHANISN

3 Sheets-Sheet l

Filed

J a n . 2 9 , 1948

_ _

z

m . . t

a mm

Mm

N . .

M

H .

_ _

d

N N

_

N 7W

_ m

_

m \

_l v m

L N

_ _ _ _ _

m

_T

m \

w w

. . . .mm

`

m w___ _\ \

A

L x- L rJ ?m \

A . ;

\ | l | m | . w | _

w

m

`

x 1 .

NN

_ 1

_

A .

@

h ,

Q

u @N N N

h

N S Mu

. \ | \ . v \ \ \

fm N

H m m m


2/6

2 , 5 7 1 , 0 3 6

ct. 9 , 1951

c . A . HEYNE

ET 1 .

ARTICLE CONVEYING AND TIMING MECHANISM

3 Sheets-Sheet 2

Filed J a n . 2 9 , 1948

Q w u w v t o f w .

AHEYNE

dRr/OHMSON

_\____________ __.___.

` A

\


3/6

O c t .

9 ,

1951 c . A . H E Y N E ET 1 .

2,571,036

ARTICLE CONVEYING

AND

TIMING MECHANISM

Filed

Jan.

2 9 ,

1948

3 Sheets-Sheet 3


4/6

P a t e n t e d O c t . 9 ,

1 9 5 1

2 , 5 7 1 , 0 3 6

UNITED S T A T E S

PATENT O F F I C E

2 , 5 7 1 , 0 3 6

ARTICLE

CONVEYING

AND TDVUNG

MECHANISM

C l a r e n c e A . Heyne a nd John R .

J o h n s o n ,

A l t o n ,

I l l . , a s s i g n o r s

t o O w e n s - I l l i n o i s G l a s s Company,

a

o r p o r a t i o n o f

Ohio

A p p l i c a t i o n

J a n u a r y 2 9 ,

1 9 4 8 , S e r i al N o . 5 , 1 2 4

( C l . 198-34

Claims.

1

Our invention r e l a t e s t o m e c h a n i s m

f o r con

veying

a r t i c l e s o r

workpieces a n d

f e e d i n g them

t o

a machi ne by which

gauging,

t e s t i n g , o r

other

operations are

performed

on o r i n connection

with such

a r t i c l e s .

The

i n v e n t i o n p r o v i d e s

m ec h

an ism by which

a

c o n t i n u o u s s u p p l y o f

t h e a r t i

c l e s

are

fed t o a

m a c h i n e

comprising a p l u r a l i t y

o f operating u n i t s , m e a n s f o r spacing

t h e

a r t i c l e s

as they are a d v a n ce d t o correspond t o the spacing

o f such o p e r a t i n g u n i t s , a n d means f o r

synchro

n i z i n g

a n d

timing

t h e movements

o f t h e a r t i c l e s

with

t h o s e o f

t h e o p e r a t i n g u n i t s .

In

the

form herein

i l l u s t r a t e d ,

there

i s pro

vided a con veyor

by

which b o t t l e s

o r

other a r t i c l e s

are fed

t o

a

g aug i n g

m a c h i n e

comprising a s e r i e s

o f

c o n t i n u o u s l y

t r a v e l i n g gauging

u n i t s f o r r e

c e i v i n g a n d operating upon

the

a r t i c l e s i n suc

c e s s i o n . An b j e c t o f t h e i n v e n t i o n i s t o p r o v i d e

a n improved

s p i r a l

t i m e r

d e v i c e f o r

s p a c i n g t h e

a r t i c l e s

on the

conveyor t o correspond with

the

s p a c i n g

o f t h e t r a v e l i n g

gauging

o r

o t h e r u n i t s ,

a n d a d j u s t i n g means f o r s y n c h r o n i z i n g t h e

f e e d

o f

t h e

a r t i c l e s

t o

b r i n g

them

i n r e g i s t e r

w i t h

t h e

_ traveling units .

A

u r t h e r

o b j e c t o f

t h e i n v e n t i o n

i s t o

p r o v i d e

a d j u s t i n g mechanism

by which

t h e s p i r a l t i m e r

f e e d e r may

be

a d j u s t e d ,

without

stopping

o r

i n

t e r f e r i n g

with t h e

continuous

o p e r a t i o n

o f

t h e

machine, t o

s y n c h r o n i z e

t h e

f e e d o f

t h e

a r t i c l e s

with

the

moveme nts o f

the

g a u g i n g , o r

other u n i t s

which a c t upon s a i d

a r t i c l e s , whereby t h e v a r t i c l e s

a r e a c c u r a t e l y p o s i t i on e d

with

r e s p e c t t o such

units.

Other o b j e c t s

o f

the invention

w i l l

appear

here

inafter.

R e f e r r i n g t o

t h e accompanying

d r a w i n g s :

F i g .

1 i s

a n

elevation view

o f

a portion o f

a

gauging

machine combined

with

a

conveyor

a n d

timer

f e e d e r

f o r f e e d i n g a r t i c l e s t o such machine,

parts

o f

the

m a c h i n e

being

broken

a w a y a n d

p a r t s

o f

t h e apparatus b e i n g

shown

i n

s e c t i o n ;

F i g . 2 i s a

t o p

plan v i e w , p a r t s

o f

t h e gauging

machi ne

being

broken

away;

F i g .

3 i s a

s e c t i o n a l

view

showing

the a d j u s t

i n g means f o r

a d j u s t i n g t h e angular

p o s i t i o n

o f

t h e

s p i r a l t i m e r

f e e d e r , t h e s e c t i o n

b e i n g

taken

a t t h e

l i n e

3 3

on

i g ;

5 ;

F i g . 4

i s

a horizontal

section

o f the timer

c o n

veyor

a n d d r i v i n g

me a n s

t h e r e f o r , p a r t s

being

broken a w a y , t h e

s e c t i o n

b e i n g a t t h e l i n e s

4 - 4

on i g s . l and

; A

F i g . 5 i s a s e c t i o n a l _ e l e v a t i o n a t the l i n e

5 5

on ig.

4 ;

and

- ~

F i g . 6

i s

a p a r t - s e c t i o n a l e l e v a t i o n a s v i n d i c a t e d

by t h e l i n e 6- 6 on

F i g . 5 ,

showing a d j u s t i n g

mea ns

f o r

r o t a t i v e l y a d j u s t i n g t h e s p i r a l t i m e r

conveyor

a n d t h e r e b y a d j u s t i n g t h e f e e d

o f

t h e

a r t i c l e s t o cause them t o r e g i s t e r with the g au g

i n g

units.

R e f e r r i n g t o F i g s . 1 a n d

2 ,

t h e i n v e n t i o n i s

herein

i l l u s t r a t e d

a s ~ adapted f o r use

with a

20

25

30

35

4 0

45

50

5 5

2

gauging ma c hi n e f o r gauging

a r t i c l e s

I 0 such a s

b o t t l e s

or j a r s .

T h e

m a c h i n e

comprises a s e r i e s

o f gauging

u n i t s

I I connected t o a n e n d l e s s chain

c a r r i e r I 2 f o r continuous t r a v e l i n

a

h o r i z o n t a l

c l o s e d

p a t h , t h e

u n i t s

b e i n g s p a c e d

a t

e q u a l

i n

t e r v a l s .

The

a r t i c l e s I 0 a r e placed

on a horizon

t a l l y t r a v e l i n g e n d l e s s

b e l t

conveyor I 3 near the

right

h a n d

e n d

thereof

a n d

a s

they

are

a d v a n c e d

by the

c o n v e y o r ,

they a r e spaced

h o r i z o n t a l l y

by

a s p i r a l or

h e l i c a l

feeder

I 4 . The feeder I 4 s e r v e s

a s

a

timer by

which

the

movemen ts o f

the a r t i c l e s

I 0 are

synchronized with

t h e movements o f t h e

g aug i n g

units

s o

that

the a r t i c l e s

are

brought i n

s u c c e s s i o n

d i r e c t l y beneath a n d

i n r e g i s t e r

with

t h e

gauging u n i t s ,

t h e s p a c i n g between c e n t e r s

o f

t h e a r t i c l e s b e i n g e q u a l t o t h e s p a c i n g

between

t h e c e n t e r s o f the

gauging n i t s .

The

conveyor

I 3 a n d spacing

screw

or timer I 4

are driven . n synchronism by a n .

e l e c t r i c

motor

I 5

F i g .

2 ) y

The motor s geared through a d r i v

ing

b e l t

or ch ai n I 6

t o a

h o r i z o n t a l shaft I ' I which

i s c o n n e c t e d

through

t r a n s m i s s i o n

g e a r i n g w i t h i n

a

gear

box

I 8

t o d r i v e

a n

endless

b e l t

I 9

geared

t o a shaft 2 0 . T h e shaft

2 0

has

driving

c o n n e c

t i o n s

with

the

conveyor

I 3 through a t r a i n o f

g e a r i n g

c o m p r i s i n g b e v e l l e d

g e a r s 2 | , 2 2 , s h a f t

2 3 , chain 2 4 , s h a f t 2 5 ,

the

conveyor b e i n g t r a i n e d

over a drive pulley o n the shaft 2 5 .

T he

s h a f t I ' I

i s connected

through

a

u n i v e r s a l

j o i n t 2 6

F i g . 1 )

t o

the

s h a f t

2 I

o f

a worm

which

drives

a worm wheel

28 keyed

t o a short v e r t i c a l

tubular

s h a f t 2 9 j o u r n a l l e d

by m e a n s o f b a l l bear

i n g s 3 0 within a

s t a t i o n a r y

hollow column 3 | .

T he

bore o f the

shaft

2 9 i s rectangular t o r e

ceive

the squared e n d

section

3 2 o f a v e r t i c a l

worm

shaft 3 3

adjustable

up a nd down herein as

h e r e i n a f t e r d e s c r i b e d .

The

column

3 |

comprises

a lower

section

or .

base 3 4 a n d a n upper s e c t i o n 3 5 . The column i s

co nne cted

t o

the

m a ch i ne

framework

b y me a n s

o f lower h o r i z o n t a l d i a g o n a l

b a r s

3 6

a nd

3 l F i g s .

1

a n d

2 )

a n d a n upper h o r i z o n t a l

diagonal

bar

3 8 ,

the l a t t e r

being provided

with

a

c o l l a r 3 9 s u r

rounding

the

column 3 5 a n d s e c u r e d t h e r e t o by

screw b o l t s 4 0 .

Supported

on

the co lumn 35 i s a tubular case

4 |

which, a s

shown

i n

F i g s .

5 a n d 6 , extends

downwardly within s a i d column a n d a t

i t s

lower

en d

i s provided

with a packing

gl and

4 2 sur

rounding

the worm

shaft

3 3 . T h e

c a s e

4 I i s

formed

with a f l a n g e 4 3

which

r e s t s on

the

c o l l a r

3 9 .

Mounted f o r

up-and-down

adjustment

w i t h - `

in the case 4 I

i s a n

inn er tubular

case

4 4 i n

which

i s a worm 5 mou nt e d on

the

shaft 3 3 . The worm

s h a f t

3 3 i s j o u r n a l l e d i n

b e a r i n g s

4 6

a n d

4 1 a t t h e

lower a n d

upper

ends

r e s p e c t i v e l y o f

the c a s e

4 4 .

The worm shaft i s attached a t i t s

upper

end t o

the b a l l bearing c a ge by m e a n s o f a nut 4 8 a n d

cap

screw 49. Y

Me a n s f o r

a d j u s t i n g t h e worm

5 up a n d down

t o g e t h e r

w i t h i t s c a s i n g 4 4

and s h a f t 3 3 , i n c l u d e s


5/6

-

thre a de d to

receive a

hand

crank 5 6 .

2 , 5 7 1 , 0 3 6

a v e r t i c a l a d j u s t i n g

s c r e w 6 I which

i s

t h r e a d e d >

through

a

nut o r s l e e v e 5 2

F i g s .

4 a n d 6 ) .

The

nut s

mounted

f o r up-and-down

movement

n t h e

o u t e r c a s i n g

4 I

a n d s connected

t o

t h e i n n e r c a s e

4 4

by

a pin

5 3 .

The screw

s h a f t 5 I

i s

r o t a t e d by

me a n s i a h a n d crank 5 4 .

The i n n e r c a s e 4 4

i s

clamped i n i t s

adjusted

p o s i t i o n

a n d h e l d

a g a i n s t r o t a t i v e movement

by

a

clamping d e v i c e comprising clamping elements

5 5 a n d 5 5 * F i g . 4 ) . The member 5 5 i s formed

with a stem 5 5 b

extending

through

a bore i n the

member

5 5 l

a n d having i t s

outer

e n d screw

T he l a t t e r

s e r v e s

t o

r e l e a s e

the

c l a m p

t o permit

ad justment

of the

case

4 4 , a n d t o then draw

the

c l a m p i n g

elements

inwardly t o g r i p the w a l l o f the c a s e 4 4 .

The t i m e r I 4

c o m p r i s e s

a h o r i z o n t a l l y

d i s p o s e d

t u b u l a r s h a f t

formed with a s p i r a l

thread

5 6 The

s h a f t , a s shown. i s t a p e r e d toward i t s forward

o r f r e e end a n d t h e

p i t c h

o f t h e s p i r a l thread

i s g r a d u a l l y i n c r e a s e d toward t h e forward

e n d ,

t h e r e b y c o r r e s p o n d i n g l y

widening

t h e s p a c e s b e

tween

adjacent c o n v o l u t i o n s

f o r the purpose o i

s p a c i n g

t h e

b o t t l e s t o correspond t o the

spacing

o f t h e

gauging

u n i t s

I

I .

The r i g h t h a n d end

p o r t i o n

o f

t h e

timer

s h a f t

i s formed with a c y l i n d r i c a l surface 5 1

F i g .

2 )

a n d t h e depth o f t h e s p i r a l thread 5 6 i s

g r a d u a l l y

decreased

toward

s a i d surface a n d merges i n t o

i t a t t h e forward end o f t h e c y l i n d r i c a l s u r f a c e .

Stationary guide r a i l s

5 8 a r e

mounted over

t h e

b e l t conveyor a n d extend lengthwise t h e r e o f

i n

p o s i t i o n

t o

d i r e c t

t h e

a r t i c l e s

l 0

a n d

b r i n g

them

w i t h i n

t h e c o n t r o l o f the s p i r a l timer a s they

a d v a n c e with the conveyor. The guide r a i l s are

c a r r i e d on brackets 5 9

by

m e a n s o f which

the

r a i l s

a r e a d j u s t a b l e

t o a c commodate them t o

a r t i

c l e s o f d i f f e r e n t

s i z e s .

The

s p i r a l

timer

I 4

i s supported by

m e a n s

o f

a horizontal tubular arm 0 formed with r i b s 6 I ,

s a i d arm being a ttached by

screw b o l t s

5 2

t o

a

head 6 3

formed

i n t e g r a l with

the

case 4 I .

t i v e l y

mounted

within the

a rm

6 0 a n d extending

lengthwise

therethrough i s

a tubular s h a f t

6 4

j o u r n a l l e d a t one end

i n

r o l l e r bearings 6 5 i n

the

a rm 6 0 a n d a t i t s other e nd

journalled i n

b a l l

b e a r i n g s

6 6

Within t h e

hea d

6 3 . .Extending

l e n g t h w i s e

through

t h e t u b u l a r

timer

screw I 4

a n d

the arm 6 0 i s a shaft

comprising

s e c t i o n s

6 1

a n d 6 8 having

a screw-threaded connection

6 9

w i t h i n t h e s h a f t 6 4 . D r i v i n g c o n n e c t i o n s . b e

tween the shaft

6 4 a n d the

timer shaft

I 4 com

5

4

1 l o v e r l y i n g t h e arm

1 6

and clamped t h e r e t o

b y

m e a n s o 1 a screw

1 1

rotatable by a handle 1 8 .

I h e screw

1 1 extends

through

a n

arc-shaped

s l o t

1 3 i n the ar m 1 5 a n d

i s

threaded i n t o the

a rm

1 6 . Adjusting s c r e w s 8 0 p r o v i d e d with knurled

heads

8 | , v

a r e

mounted

i n the

arm

1 5 a nd

p o s i

t i o n e d t o engage

t h e

screw 1 1 , t h e r e b y

p r o v i d i n g

m e a n s f o r r o t a t i v e l y a d j u s t i n g t h e c a s e 4 I a n d

with

i t

t h e

s p i r a l

timer I 4

about

t h e

a x i s

o f

t h e

1 0

worm

haft

3 3 .

15

20

25

30

45

50

prise

a

disk

10

formed

with a

tapered

hub

e n -

g a g i n g

t h e

c o r r e s p o n d i n g l y t a p e r e d

e d g e o f t h e

s h a f t 6 4 . T he d i s k

1 0 i s

connected t o the timer

I 4 by a

- p i n

1 I . The p a r t s a r e clamped t o g e t h e r

by clamping nuts

1 2 ,

1 3

` o n the o u t e r ends o f the

The

o p e r a t i o n

may be summerized a s f o l l o w s :

The

c o n t i n u o u s l y t r a v e l i n g

g a u g i n g

u n i t s

I I

are

brought i n succession d i r e c t l y

over the b e l t

c o n veyor I 3 and a d v a n c e therewith a t the same

speed as the conveyor. The containers

I 0 are

s u p p l i e d c o n t i n u o u s l y t o t h e conveyor

I 3

a t

t h e

r i g h t h a n d end

t h e r e o f a n d a s

they

move

f o r

ward

w i t h

t h e

c o n v e y o r , a r e

u n i f o r m l y

s p a c e d

a p a r t by t h e

s p i r a l

t i m e r I 4 a n d

by such s p a c

in g movement are so positioned o n the

conveyor

that they a r e brought i n t o

d i r e c t

v e r t i c a l l i n e o r

r e g i s t e r

with

t h e

gauging

u n i t s .

Each

s a i d

u n i t ,

a s i t i s

brought

over

a

container a n d in r e g i s t e r

therewith. i s

lowered

onto

the

container

f o r

a .

gauging

o p e r a t i o n ,

a s f o r example, t o gauge

t h e

diameter o f

t h e neck

opening o f the

c o n t a i n e r .

1 f

the timer

I 4

moves the contain ers e i t h e r i n

a d v a n ce o f

o r behind the p o s i t i o n r e q u i r e d

f o r

r e g i s t r a t i o n with t h e g a u g e s , the timer

i s

r o t a

t i v e l y

a d j u s t e d by a d j u s t i n g

t h e worm 4 5 F i g s .

5 a n d 6 ) e i t h e r up

o r down,

thereby

r o t a t i v e l y

adjusting

the

worm gear 1 4 a n d with

i t

the

s p i r a l

t i m e r .

Such adjustment

i s

e f f e c t e d by f i r s t

r e

l e a s i n g t h e

clamp

5 5 a n d

then

r o t a t i n g

t h e h a n d

crank 5 4 .

This

adjustment may e

accomplished

W h i l e t h e machi ne

i s

i n

continuous

o p e r a t i o n .

The

t i m e r may

l i k e w i s e

b e

a n g u l a r l y a d j u s t e d


about the

a x i s o f

the v e r t i c a l worm

s h a f t 3 3 by l o o s e n i n g t h e

clamping

screw

1 1

F i g s .

3 a n d 5 )

by m e a n s o f the

h a n d

l e v e r 1 8 a n d

then

operating the a d j u s t i n g screws 8 D

t o

r o t a t e t h e

c a s i n g 4 I a n d

with

t t h e timer I 4 .

Modications

may

be r e s o r t e d

t o

within

t h e

s p i r i t a n d scope

o f

our i n v e n t i o n .

We l a i m :

1 .

T he combination

o f a h o r i z o n t a l t r a v e l i n g

conveyor

f o r

advancing

a r t i c l e s

p l a c e d t h e r e o n .

a

timing

d e v i c e f o r s p a c i n g

t h e a r t i c l e s p l a c e d

o n

the conveyor a n d timing

t h e i r a d v a n c e

with

the c o n v e y o r , s a i d timing d e v i c e comprising a

horizontal shaft p o s i t i o n e d over the conveyor a n d

extending

i n the

d i r e c t i o n o f

the t r a v e l

o f

the

conveyor, the

timing

d e v i c e

h a vi n g

a

s p i r a l

sur

f a c e f o r

engaging a r t i c l e s p l a c e d on t h e

c o n v e y o r ,

t h e s p a c i n g o f

a d j a c e n t

c o n v o l u t i o n s

o f

t h e s p i r a l

5 5 being p r o g r e s s i v e l y increased i n

a forward

d i r e c

s e c t i o n a l

shaft 6 1 ,

6 8 ,

said sectional shaft serv-

\

ing a s

a

t i e rod a n d a l s o a s a support

for

hold

i n g t h e timer s h a f t I 4 i n l i n e

with

the shaft 5 4 .

Keyed

t o the shaft 6 4

i s

a worm wheel 1 4 which

runs

i n mesh

with the worm

4 5 .

I t

w i l l

now

be

apparent that

the shaft I 1

has

a d r i v i n g co n ne c

t i o n

with t h e

s p i r a l

t i m e r , s a i d c o n n e c t i o n i n

c l u d i n g the worm

g e a r 2 8

F i g . 1 ) ,

t h e

v e r t i c a l

s h a f t 3 3 ,

worm 5 , worm

wheel 1 4

a n d

shaft

6 4 . _

The

gearing

i s

s o proportioned that the timer I 4

m a k e s

one complete

r e v o l u t i o n

while

the

g au g

i n g

heads

t r a v e l

t h e d i s t a n c e

between

c e n t e r s o . r

adjacent

heads.

The t i m e r s h a f t I 4 i s

a n g u l a r l y

a d j u s t a b l e hor

i z o n t a l l y

about t h e a x i s o f the column 3 5

a n d

s h a f t 3 3 ,

s u c h

a d j u s t m e n t b e i n g p r o v i d e d f o r

by

the following

construction: l

T h e

c o l l a r 3 9

i s

formed with

a n i n t e g r a l r a d i a l

6 0 s a i d

conveyor a n d timing

d e v i c e _ a n d _ i n t e r c o n

t i o n f o r g r a d u a l l y

i n c r e a s i n g

t h e

s p a c i n g

between

adja cent a r t i c l e s placed

on

the conveyor

i n en

g a gemen t with s a i d

s p i r a l ,

a

motor,

m e a n s

pro

v i d i n g d r i v i n g

connections

from

the

motor

t o

t h e

necting the

conveyor

a n d

timing

d e v i c e f o r r o

t a t i n g t h e t i m i n g d e v i c e i n synchronism w i t h

t h e

t r a v e l o f t h e c o n v e y o r , and manually

o p e r a b l e

me a n s f o r r o t a t i v e l y

a d j u s t i n g t h e timing d e v i c e

6 5 about the a x i s o f s a i d shaft while the conveyor

a n d timing

d e v i c e

a r e being d r i v e n by t h e motor

and

t h e r e b y

a d j u s t i n g

t h e

p o s i t i on a l r e l a t i o n o f

the

timer

t o

the c o n v e y o r .

2 . The c o m b i n a t i o n of a horizontal traveling

7 0 conveyor

f o r

a d v a n c i n g a r t i c l e s

placed t h e r e o n ,

a

timing d e v i c e f o r

s p a c i n g

t h e a r t i c l e s

placed

on

t h e conveyor a n d timing t h e i r a d v a n ce with

the

conveyor, s a i d

timing

d e v i c e comprising a hori

z o n t a l s h a f t p o s i t io n e d o v e r

t h e conveyor

a n d

arm

1 5 a n d the

c a s e

4 I

i s formed with

a n arm ( 5 extending

i n

the d i r e c t i o n o f the t r a v e l o f the


6/6

2 , 5 7 1 , 0 3 6

5

c o n v e y o r , the

timing d e v i c e

having a s p i r a l sur

f a c e f o r engaging

a r t i c l e s

placed on the conveyor,

t h e

s p a c i n g o f

a d j a c e n t c o n v o l u t i o n s o f t h e s p i r a l

being p r o g r e s s i v e l y i n c r e a s e d i n a forward d i r e c


i n c r e a s i n g t h e

s p a c i n g between

adjacent a r t i c l e s placed on the conveyor

i n

en

gagement

with

s a i d s p i r a l ,

a

motor f o r d r i v i n g

s a i d

t i m i n g

d e v i c e ,

t r a n s m i s s i o n

mechanism

b e

tween t h e

motor

and s a i d t i m i n g

d e v i c e i n c l u d

ing a

worm

shaft, a

Worm

thereon, a worm

g ear

running

i n

mesh with

s a i d worm

a n d having a

d r i v i n g c o n n e c t i o n w i t h

t h e

t i m i n g d e v i c e , a nd

m e a n s

f o r

adjusting the worm shaft i n

a n

a x i a l

d i r e c t i o n a nd

t h e r e b y

r o t a t i v e l y

a d j u s t i n g

t h e

s a i d worm gear

a n d

the s a i d timing d e v i c e .

3 . The combination o f a h o r i z o n t a l t r a v e l i n g v

conveyor

f o r

advancing a r t i c l e s p l a c e d t h e r e o n ,

a

t i m i n g

d e v i c e f o r

s p a c i n g t h e a r t i c l e s p l a c e d on

. t h e

conveyor

a n d timing t h e i r advance

with

the

conveyor, s a i d timing d e v i c e comprising

a h o r i

z o n t a l s h a f t p o s i t i o n e d o v e r

the conveyor

a n d

e x t e n d i n g i n t h e d i r e c t i o n o f t h e t r a v e l o f

t h e

conveyor,

the

timing

device

h a v i n g

a

s p i r a l

sur

f a c e

f o r engaging

a r t i c l e s placed on the conveyor,

t h e

s p a c i n g

o f

a d j a c e n t c o n v o l u t i o n s o f

t h e

s p i r a l

b e i n g

p r o g r e s s i v e l y i n c r e a s e d

i n a forward d i r e c


i n c r e a s i n g

t h e s p a c i n g b e

tween

adjacent a r t i c l e s placed

on

the

conveyor

i n e n ga ge me nt with s a i d s p i r a l , a

motor,

a t r a i n

of

gearing

extending from the motor t o said -

t i m i n g d e v i c e f o r d r i v i n g t h e l a t t e r , s a i d

g e a r

i n g

i n c l u d i n g

a v e r t i c a l s h a f t , a

Worm t h e r e o n ,

a

h o r i z o n t a l shaft connected

t o the t i m e r , a

worm

wheel on s a i d h o r i z o n t a l s h a f t a n d

running

i n

m esh

with s a i d worm, a n d m e a n s f o r a d j u s t i n g

s a i d

worm v e r t i c a l l y and t h e r e b y

r o t a t i v e l y

ad

j u s t i n g

t h e

worm

w h e e l and t i m e r d e v i c e .

4 . T he

combination

o f

a

h o r i z o n t a l t r a v e l i n g

c o n v e y o r

f o r

advancing a r t i c l e s p l a c e d t h e r e o n ,

a t i m i n g

d e v i c e f o r s p a c i n g

t h e

a r t i c l e s p l a c e d

on the

conveyor

a n d timing t h e i r

a d v a n ce with

t h e

c o n v e y o r , s a i d timing

d e v i c e

comprising a

h o r i z o n t a l s h a f t p o s i t i o n e d o v e r

the

conveyor a n d

e x t e n d i n g i n t h e d i r e c t i o n o f t h e

t r a v e l o f

t h e

c o n v e y o r ,

t h e

t i m i n g d e v i c e having

a

s p i r a l s u r

f a c e f o r engaging a r t i c l e s placed on the conveyor.

t h e s p a c i n g o f

a d j a c e n t

c o n v o l u t i o n s o f t h e s p i r a l

b e i n g

p r o g r e s s i v e l y i n c r e a s e d

i n a

forward d i r e c

t i o n

f o r

g r a d u a l l y i n c r e a s i ng t h e s p a c i n g

b e t w e e n

adjacent a r t i c l e s

placed on

the

conveyor i n en

sagement with

s a i d s p i r a l , a motor, a

t r a i n

o f

g e a r i n g e x t e n d i n g from

t h e

motor

t o

s a i d

t i m i n g

d e v i c e f o r

d r i v i n g

t h e

l a t t e r ,

s a i d g e a r i n g i n

cluding

a

v e r t i c a l

s h a f t ,

a

worm

thereon,

a

hori

zontal shaft c o n n e cted to the timer, a

worm

.

wheel on s a i d

h o r i z o n t a l

s h a f t a n d running i n

mesh with

s a i d worm,

a

s t a t i o n a r y support i n

which s a i d

worm

a n d

worm wheel are

j o u r n a l l e d ,

a nd

means f o r

a d j u s t a b l y

r o t a t i n g

s a i d s u p p o r t

about t h e

v e r t i c a l a x i s

o f

s a i d worm

a n d t h e r e b y

a d j u s t i n g

s a i d

t i m e r


about

s a i d

a x i s .

5 .

A h o r i z o n t a l l y e x t e n d i n g t i m e r

d e v i c e

formed with

a

s p i r a l

guiding s u r f a c e ,

a horizon

t a l shaft attached

t o s a i d

timer d e v i c e a n d

ex

t e n d i n g i n l i n e t h e r e w i t h , a s t a t i o n a r y

c a s i n g

i n

which

s a i d

s h a f t i s j o u r n a l l e d , a v e r t i c a l d r i v e

s h a f t , a

worm a n d

intermeshing worm

wheel con

n e c t e d r e s p e c t i v e l y

t o s a i d

v e r t i c a l a n d h o r i z o n

t a l

s h a f t s ,

a n d

means

f o r

r o t a t i v e l y

a d j u s t i n g

s a i d

c a s i n g about t h e

a x i s o f

s a i d

v e r t i c a l

s h a f t

: g l i

t h e r e b y a d j u s t i n g s a i d t i m e r d e v i c e h o r i z o n

y .

6 . A h o r i z o n t a l l y e x t e n d i n g

t i m e r

d e v i c e

formed w i t h a

s p i r a l g u i d i n g s u r f a c e ,

a

h o r i z o n

7 0

t a l s h a f t

attached

t o s a i d

timer

d e v i c e

a n d e i b

tending

i n

l i n e

t h e r e w i t h , a s t a t i o n a r y c a s i n g i n

which s a i d

shaft i s

j o u r n a l l e d , a v e r t i c a l d r i v e

s h a f t , a worm

a n d

intermeshing worm wheel

connected r e s p e c t i v e l y t o s a i d v e r t i c a l

a n d

h o r i

z o n t a l

s h a f t s ,

m e a n s

f o r

adjusting

s a i d

worm a n d

worm s h a f t v e r t i c a l l y

a n d

thereby a d j u s t a b l y r o

t a t i n g

t h e t i m e r

about

i t s

l o n g i t u d i n a l

a x i s ,

a n d

means

f o r r o t a t i v e l y

a d j u s t i n g

s a i d

c a s i n g

about

the v e r t i c a l a x i s o f s a i d worm h a f t , a n d thereby

a n g u l a r l y a d j u s t i n g t h e s a i d t i m e r d e v i c e about

s a i d v e r t i c a l

a x i s .

7 . The combination o f a v e r t i c a l worm s h a f t .

a worm thereon, a n

inner casing i n

which

said

s h a f t i s


a n o u t e r s t a t i o n a r y c a s i n g

within

which s a i d inner

casing

i s e n c l o s e d , a

r a d i a l ar m attached t o a n d extending horizon

t a l l y

from s a i d o u t e r c a s i n g , a

h o r i z o n t a l

s h a f t

j o u r n a l l e d

i n

s a i d

arm,

a

s p i r a l

timer

carriedby

s a i d horizontal s h a f t , a

worm

wheel keyed t o

s a i d

h o r i z o n t a l

s h a f t

a n d running i n mesh with

s a i d

worm,

s a i d

worm wheel b e i n g

j o u r n a l l e d

Within

s a i d

outer

c a s i n g ,

d r i v i n g

m e a n s

f o r

r o

t a t i n g s a i d

v e r t i c a l

s h a f t and t h e r e b y r o t a t i n g

s a i d s p i r a l t i m e r ,

a n d m e a n s

f o r a d j u s t i n g s a i d

inner c a s i n g up

a n d d ow n

within t h e o u t e r c a s

i n g f o r

r o t a t i v e l y

a d j u s t i n g t h e t i m e r

a b o u t i t s

horizontal

a x is .

.

8 . The

combi nation o f

a

v e r t i c a l worm

s h a f t ,

a worm

thereon,

a n inner casing in

which

said

s h a f t

i s


a n

o u t e r s t a t i o n a r y c a s i n g

within

which s a i d

inner casing

i s e n c l o s e d , a ra

d i a l a rm attached t o a n d extending h o r i z o n t a l l y

from

s a i d

o u t e r

c a s i n g , a h o r i z o n t a l s h a f t

j o u r

n a i l e d

i n s a i d arm, a s p i r a l timer c a r r i e d by s a i d

horizontal s h a f t , a worm Wheel keyed t o said

h o r i z o n t a l

s h a f t

a n d running i n mesh

with

s a i d

worm,

s a i d

worm

wheel

being

journalled

within

s a i d o u t e r c a s i n g , d r i v i n g means f o r r o t a t i n g s a i d

v e r t i c a l s h a f t and t h e r e b y r o t a t i n g s a i d s p i r a l

t i m e r ,

m e a n s

f o r a d j u s t i n g s a i d i n n e r c a s i n g up

a n d

down

w i t h i n t h e

o u t e r c a s i n g f o r r o t a t i v e l y

a d j u s t i n g

t h e t i m e r about i t s

h o r i z o n t a l

a x i s ,

said adjusting m e a n s comprising

a

v e r t i c a l screw

s h a f t j o u r n a l l e d

i n

the o u t e r c a s i n g , a , connector

threaded o n said screw shaft a n d movable up a nd

down i n

guideways within the c a s i n g , m e a n s f o r

a t t a c h i n g s a i d

c o n n e c t o r t o

s a i d i n n e r c a s i n g ,

a n d m e a n s f o r

r o t a t i n g

s a i d screw s h a f t .

9 . I _ n combination with

the m e a n s s e t forth in

c l a i m

7 , me a n s

f o r r o t a t i v e l y

a d j u s t i n g

s a i d

o u t e r

c a s i n g

h o r i z o n t a l l y about

t h e

v e r t i c a l a x i s o f

the

worm

s h a f t ,

a n d

m e a n s

f o r securing the o u t e r

c a s i n g

i n

i t s

a d j u s t e d

p o s i t i o n .

CLARENCE . HEYNE

JOHN

. . JOHNSON.

REFERENCES

C I T E D

The

f o l l o w i n g

r e f e r e n c e s a r e o f record i n the

f i l e o f t h i s p a t e n t :

UNITED STATES PATENTS

Number Name Date

1,052,579 Gardner _ _ _ _ _ _ _ _

_

F e b .

1 l . 1913

1,274,548 H o l n a g e l

_ _ _ _ _ _ _ _ _

Au g . 6 ,

1918

1,355,184 Taliaferro _ _ _ _ _ _ _

_

O ct .

1 2 , 1920

1,720,956 H e i n e k e

_ _ _ _ _ _ _ _

_

July 1 6 ,

1929

1,721,193

Thompson

_ _ _ _ _ _

-_

July

1 6 ,

1929

1,756,561

L a rs e n

_ _ _ _ _ _ _ _ _ _

A pr.

2 9 ,

1930

2,259,748 H ul l h o rs t _ _ _ _ _ _ _ _ _

,

O ct .

21, 1941

2,284,286

Krueger

_ _ _ _ _ _ _ _ _ _

_ _

May 26, 1942

2,454,285

Krueger

_ _ _ _ _ _ _ _ _ N o v . 2 3 , 1948

2,461,277

Hohl

_ _ _ _ _ _ _ _ _ _ _ _ _ _ F e b . 8 , 1949

2,471,098

Davies _ _ _ _ _ _ _ _ _ _ . . May

2 4 , 1949

Documents

Automated Screw Conveyor technology