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Патент USA US3071921

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Jan. 8, 1963
H. A. HEIDE _
3,071,911
COVER REMOVING APPARATUS
Filed Sept. 14, 1959
'
4 Sheets-Sheet 1
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Jan. 8, 1963
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7-H. A. HEIDE
' 3,071,911
COVER REMOVING APPARATUS
Filed Sept’. 14, 1959
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BY.
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47704110.‘ Y.
Jan. 8, 1963
3,071,911
H. A. HEIDE
COVER REMOVING APPARATUS
Filed Sept. 14, 1959
4 Sheets-Sheet 3
Y'iNVENIOR.
Hen/7 ,4 . /7’€/0’e
BY@M
‘ ATTOR/VfX.
Jan. 8, 1963
H._ A. HEIDE
’
3,071,911
COVER REMOVING APPARATUS
Filed Sept. 14, 1959
4 Sheets-Shéet 4
3/
INVEN TOR.
.37 Henry A , ?e/o’e
BY
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‘ATTORNEY
nite States
doc
atent
1
2
14 disposed below the pan conveyor. There is a pair
of laterally spaced cross-rods 15 on which are mounted
3,071,911
Henry A. Heide, Addison, IlL, assignor, by mesne assign
Rn/ienés, to Union Steel Products Company, Albion,
1‘!
F’atented Jan. 8, 1963
CG‘VER REMOVING APPARATUS
upwardly projecting plate-like brackets 16, the purpose of
which will be pointed out later.
Fiied Sept. 14, 1959, Ser. No. 839,839
16 Claims. (Cl. 53-381)
main conveyor or receptacle conveyor, the covers are
As the covered receptacles are translated along the
-
This invention relates to a machine or ‘apparatus for
engaged by the cover gripping members designated gen
erally by the numerals 17. These, in the embodiment il
lustrated, comprise the disk-like jaw members 18 which
removing covers from receptacles such, for example, as
{baking pans. The main objects of this invention are,
are formed of sheet metal and are provided with hubs
19 adjustably molded on the shaft sections 20 connected
by the universal joint 21 and supported by bearings 22
First, to provide a cover removing machine or appa
ratus which is highly eiiicient and of large capacity and
one which is entirely automatic in its operation.
Second, to provide a cover removing machine or appa
on the frame side members 9. These shaft members 20
are disposed in an angular relation to each other, as is
15
ratus which is capable of adjustment through a substantial
range such, for example, as may be required for, remov
ing covers from baking pans of various sizes.
Third, to provide a cover removing apparatus which
clearly illustrated in FiG. 6, with the result that the jaw
members are at an angle to each other. The hubs 19
are adjustably secured to the shaft sections 20 by means
of set screws 23 so that the members 17 may be adjusted
to and from each other to adapt to covers of different
.does not injure or abrade the pans or the covers removed 20 dimensions.
therefrom.
,
Fourth, to provide an apparatus of the class described
which is capable of being operatively associated with the
type of receptacle conveyors now in general use.
Objects relating to details and economies of the in
vention will appear from the description to follow. The
invention is de?ned and pointed out in the claims.
A preferred embodiment of the invention is illustrated
The jaw members 18 have angular spaced series of
radial slits 24 therein and have inwardly facing grippers
25 on their inner sides. The springable jaws 26 resulting
from the slits 24 are substantially yieldable so that an
effective engagement with the covers as the gripper mem
bers rotate is assured. The ends of the covers are en
gaged by the gripper members and swung upwardly as is
illustrated in FIGS. 1 and 2 and deposited upon the cover
in the accompanying drawings, in which:
I
discharge conveyor, designated generally by the numerals
FIG. 1 is a fragmentary rear perspective view of a 30 27 and comprising the shafts 23 and 29 provided with
cover removing apparatus embodying my invention, a
pulleys 30 and 31 for the belts 32, the upper reaches of
fragment only of the pan or receptacle conveyor being
illustrated and of the cover discharge conveyor, a cover
which'are supported by ?anges 33 on the upper ends of
the brackets 16. The discharge conveyor delivers to the
being illustrated in partially lifted position.
conveyor or chute 4- as the case may be.
FIG. 2 is a corresponding view with a cover completely ‘
lifted from the pan or receptacle.
FIG. 3 is a perspective view of the cover removing unit
as such viewed from the'side opposite that shown in
FIGS. 1 and 2.
The cover guides 34, preferably in the form of bowed
rods, are provided and are positioned to engage the cov
ers when they are engaged by the gripper members, or
shortly after they are engaged, preventing the covers from
springing up under the tension of the gripper member
FIG.‘ 4 is a fragmentary perspective view illustrating 4-0 jaws,
certain details of the cover removing means.
The gripper member shafts and the discharge
conveyor are, in the embodiment illustrated, driven from
MG. 5 is a vertical section.
the electric motor 37 mounted on one of the side mem
FIG. 6 is a fragmentary plan view. ‘
bers and connected by the belt 38 to the pulley 39 on
one ‘of the gripper member shaft sections, see FIG. 3,
and by the belt or chain 4% to the shaft 28 of the discharge
FIG. 7 is a fragmentary view in section on ‘a line corre
sponding to line 7—7 of FIG. 1.
>
'
FIG. 8 is an enlarged fragmentaryyiew on a line
conveyor.
-
corresponding to line 8—8 of FIG. 9.
While the brackets '16 are mounted on the supporting
FIG. 9 is a plan view of one of the jaw members.
rods 15 by means of clamps 41 so that they could be ad
In the accompanying drawings I haveillustrated an
justed thereon, they are commonly positioned so that
adaptation of my invention to the removing of covers 50 there is no need for adjustment thereof when the gripping
from pans fo-r baked goods. It should be understood that
members are adjusted.
it is adapted for a wide variety of uses, that is, removing
The embodiment of my invention illustrated is highly
covers from various receptacles. In the embodiment il
practical and as stated may be operatively associated with
lustrated 1, represents theside rails of a conveyor which
conveyors to meet ‘widely varying installing or use con
is provided with ways 2. for the endless conveyors 3. 55 ditions. It will ‘be appreciated that it is rare that there
These parts are conventionally shown as the details there
are two installation conditions which are exactly alike.
of form no part of my invention. A conveyor for the
The receptacle conveyor and the cover conveyor 4 are, as
receptacles from which the covers are to be removed may,
stated, conventionally shown as these form no part of this
and in practice do, vary greatly‘in structural details.
invention and they vary greatly under varying use con—
, The cover discharge conveyor 4 is also conventionally 60 ditions.‘ However, I have illustrated and described a
illustrated. The receptacles 5 areprovided with a plu~
highly practical embodiment of my invention which it '
rality of pans 6 as is common practice in baking ‘pans, and
is believed will enable those skilled ,in the art to embody
the covers 7 areprovided with ?anges 8 which ?t over the
or adapt the same to meet various conditions and re
tops of the bakingpans or receptacles.
quirements.
.
.
' The embodimentof‘my cover removing means illus 65
Having thus described my invention what I claim a
ltrated'comprises the frame side members designated gen
'erally by‘the numeral 9 and include the side uprights 1t)
‘connected‘by crosspieces 11 at their lower ends and cross- 7
new and desire to» secure by Letters Patent is: r
*
1.111 an apparatus for removing covers from recepé
tacles, the combination with a conveyor for receptacles
pieces '12’at their upper ends. ‘The legs'13 are desirably
having covers thereon, of vertically adjustable frame side
vertically'adjustable, the details of adjusting means not 70 members disposed one on each side of said receptacle
being illustrated as they form no part of this invention.
conveyor, connecting bars for said frame side members
disposed below said receptacle conveyor, a cover gripper
The, frame side members are connected by the crosspieces
3,071,911
3
member shaft disposed above and transversely of said
cross bars to project upwardly therefrom between said
receptacle conveyor and comprising sections having a uni—
gripper members, laterally spaced cover discharge con
versal joint connection mounted on said frame side mem
veyor shafts mounted on said brackets and provided with
bers in angular rearwardly converging relation to each
pulleys, the forward of said shafts being disposed between
other, disc like cover gripper members adjustably mount CI said gripper members and in a plane above that of said
ed one on each of said shaft sections, said gripper mem
bers having inwardly projecting peripheral ?anges and
gripper shaft, belts on said pulleys, said cover discharge
conveyor being positioned to receive the covers as they
are carried rearwardly by said cover gripper members,
means for driving said gripper shaft and said discharge
angularly spaced radial slits therein de?ning an annular
series of cover gripping jaws, laterally spaced cross bars
mounted on said side members forwardly relatively to 10 conveyor.
said gripper member shaft, brackets mounted on said
4. In an apparatus for removing covers from recepta
cross bars to project upwardly therefrom between said
cles, the combination with a conveyor for receptacles hav
gripper members, laterally spaced cover discharge con
ing covers thereon, of vertically adjustable frame side
veyor shafts mounted on said brackets and provided with
members disposed one on each side of said receptacle
pulleys, the forward of said shafts being disposed be 15 conveyor, connecting bars for said frame side members
tween said gripper members and in a plane above that of
disposed below said receptacle conveyor, a cover gripper
said gripper shaft, belts on said pulleys, said cover dis
member shaft disposed above and transversely of said
charge conveyor being positioned to receive the covers
receptacle conveyor and comprising sections having a
as they are carried rearwardly by said cover gripper
universal joint connection mounted on said frame side
members, a motor mounted on one of said frame side 20 members in angular rearwardly converging relation to
members, driving connections for said motor to said
each other, disc like cover gripper members adjustably
cover gripper shaft and to one of said discharge conveyor
mounted one on each of said shaft sections, said gripper
shafts, and curved cover guide members mounted on said
members having inwardly projecting peripheral ?anges
bracket to project downwardly and rearwardly therefrom
and angularly spaced radial slits therein de?ning an an
nular ‘series of cover gripping jaws, laterally spaced cross
bars mounted on said side members forwardly relative
to said gripper member shaft, brackets mounted on said
cross bars to project upwardly therefrom between said
to constitute guides for the covers as they are grippingly
engaged by said cover gripper members and lifted from
the receptacles.
2. In an apparatus for removing covers from recep
tacles, the combination with a conveyor for receptacles
gripper members, laterally spaced cover discharge con
having covers thereon, of vertically adjustable frame side 30 veyor shafts mounted on said brackets and provided with
members disposed one on each side of said receptacle
pulleys, the forward of said shafts being disposed between
conveyor, connecting bars for said frame side members
said gripper members and in a plane above that of said
disposed below said receptacle conveyor, a cover gripper
gripper shaft, belts on said pulleys, said brackets being
member shaft disposed above and transversely of said
provided with ‘supporting ways for the upper reaches
receptacle conveyor and comprising sections having a 35 of said belts, the lower reaches of said belt being dis
universal joint connection mounted on said frame side
posed on the inner sides of said brackets, said cover dis
‘members in angular rearwardly converging relation to
charge conveyor being positioned to receive the covers as
they are carried rearwardly by said cover gripper mem~
mounted one on each of said shaft sections, said gripper
bers, means for driving said gripper shaft ‘and said dis
members having inwardly projecting peripheral ?anges 40 charge conveyor.
and angularly spaced radial slits therein de?ning an annu
5. In an apparatus ‘for removing covers from recepta
lar series of cover gripping jaws, laterally spaced cross
cles, the combination with a conveyor for receptacles
each other, disc like cover gripper members adjustably
bars mounted on said side members forwardly relative
having covers thereon, of a frame including side mem
to said gripper member shaft, brackets mounted on said
bers disposed one on each side of said receptacle con
cross bars to project upwardly therefrom between said 45 veyor, a cover gripper member shaft disposed above and
‘gripper members, laterally spaced cover discharge con
transversely of said receptacle conveyor and comprising
veyor shafts mounted on said brackets and provided with
sections and mounted on said frame side members, disc
pulleys, the forward of said shafts being disposed between
said gripper members and in a plane above that of said
gripper shaft, belts on said pulleys, said cover discharge
shaft sections, said gripper members having inwardly pro
jecting peripheral ?anges and angularly spaced radial slits
conveyor being positioned to receive the covers as they
are carried rearwardly by said cover gripper members,
therein de?ning an annular series of cover gripping jaws,
laterally spaced cover discharge conveyor shafts mounted
means for driving said gripper shaft and said discharge
on said frame and provided with pulleys, one of said
like cover gripper members mounted one on each of said
conveyor, and curved cover guide members mounted on
shafts being disposed between said gripper members and
said bracket to project downwardly and rearwardly there
in a plane above that of said gripper shaft, belts on said
from to constitute guides for the covers as they are grip
pulleys, said cover discharge conveyor being positioned
pingly engaged by said cover gripper members and lifted
from the receptacles.
to receive the covers as they are carried rearwardly by
3. In an apparatus for removing covers from recepta
cles, the combination with a conveyor for receptacles
having covers threon, of vertically adjustable frame side
members disposed one on each side of said receptacle con
veyor, connecting bars for said frame side members dis
posed below said receptacle conveyor, a cover gripper
member shaft disposed above and transversely of said
receptacle conveyor and comprising sections having a
universal joint connection mounted on said frame side
members in angular rearwardly converging relation to
each other, disc like cover gripper members adjustably
said cover gripper members, means for driving said grip
per shaft and said discharge cover conveyor, and curved
cover guide members mounted on said bracket to project
downwardly and rearwardly therefrom to constitute
guides for the covers as they are grippingly engaged by
said cover gripper members and lifted from the
receptacles.
6. In an apparatus for removing covers from recepta
cles, the combination with a conveyor for receptacles
having covers thereon, of a frame including side mem
bers disposed one on each side of said receptacle con
veyor, a cover gripper member shaft disposed above and
mounted one on each of said shaft sections, said gripper 70 transversely of said receptacle conveyor and comprising
angularly disposed sections and mounted on said frame
and angularly spaced radial slits therein de?ning an an
side members, disc-like cover gripper members mounted
nular series of cover gripping jaws, laterally spaced cross
one on each of said shaft sections, said gripper members
bars mounted on said side members forwardly relative
having inwardly projecting peripheral ?anges and angu
to said gripper member shaft, brackets mounted on said
larly spaced radial slits therein de?ning an annular series
members having inwardly projecting peripheral ?anges
3,071,911
5
6
of cover gripping jaws, laterally spaced cover discharge
veyor for the receptacles, laterally spaced rotatably
conveyor shafts mounted on said frame and provided
with pulleys, one of said shafts being disposed between
said gripper members and in a plane above that of said
gripper shaft, belts on said pulleys, said cover discharge
conveyor being positioned to receive the covers as they
relative to the path of the travel of the receptacles on
the receptacle conveyor, said cover gripper members each
comprising an annular series of springable cover gripper
are carried rearwardly by said cover gripper members,
jaws having inwardly projecting grippers disposed in an
means for driving said gripper shaft and said discharge
nular series relation, and a cover ‘discharge disposed with
driven cover gripper members disposed with their axes
in angular relation to each other'and vertically spaced
cover conveyor.
its receiving end projecting between said gripper members
7. In an apparatus for removing covers from recepta 10 and in vertically spaced relation to the initial cover en
gaging position of the jaws, said gripper members acting
cles, the combination with a receptacle conveyor, a cover
conveyor disposed in vertically spaced relation above said
to grip the covers while being translated on the recep
tacles lift them from the receptacles and discharge them
receptacle conveyor to convey covers in opposite direc
tion ‘from that of the receptacles on said receptacle con
upon said cover discharge.
veyor, rotatably mounted disc-like gripper members dis 15
13. An apparatus for removing covers from recep
posed in angular relation to each other, said gripper
tacles, the covers having substantially parallel opposite
members having inwardly projecting peripheral ?anges
ends and being dimensioned relative to the receptacles
and angularly spaced radial slits therein de?ning an
so that such opposite ends project laterally from the
annular series of cover gripping jaws, said cover dis
receptacles, a conveyor for the receptacles and on which
charge conveyor being disposed with the forward end 20 the receptacles are arranged with their projecting edges
parallel with the path of travel of the receptacles,
thereof between said gripper members to receive the
laterally spaced rotatably driven disk-like cover gripper
covers discharged therefrom and cover guide members
positioned to guide the covers as they are grippingly
members disposed with their axes in angular relation to
engaged by said cover gripper members.
each other and so that the gripper members are out
8. In an apparatus for removing covers from recepta 25 wardly inclined relative to each other, the gripper mem
bers having inwardly projecting peripheral flanges and
‘cles, the combination with a receptacle conveyor, a cover
conveyor disposed in vertically spaced relation above
angularly spaced radial slits therein de?ning an annular
series of independently springable jaws of a width sub
said receptacleconveyor to convey covers in opposite
direction from that of the receptacles on said receptacle
stantially less than the width of the covers so that the
conveyor, rotatably mounted disc-like gripper members 30 covers are gripped at each end thereof by angularly
disposed in angular relation to each other, said gripper
spaced jaws of the gripper members, and a cover dis—
members having inwardly ‘projecting peripheral'?anges
charge disposed with its receiving end projecting be
and angularly spaced radial slits therein de?ning an an
tween the gripper members in vertically spaced relation
to and substantially above the cover engaging position
nular series of cover gripping jaws, said cover discharge
conveyor being disposed with the forward end thereof 35 of the jaws, said gripper members acting to grip the
covers while being translated on the receptacles and lift
between said gripper members to receive the covers dis
charged therefrom.
them from the receptacles and discharge them upon said
9. An apparatus for removing covers from receptacles
cover discharge.
comprising a receptacle conveyor, a cover discharge con
14. An apparatus for removing covers from recep
veyor disposed in a vertically spaced relation to said 40 tacles, the covers having substantially parallel opposite
receptacle conveyor, rotatably mounted gripper mem
ends and‘being dimensioned relative to the receptacles
bers, each having an annular series of springably yield
so that such opposite ends project laterally from the
able cover gripping jaws, said gripper members being Y receptacles, a conveyor for the receptacles and on which
disposed in diverging relation to grip covers of recepta
the receptacles are arranged with their projecting edges
cles conveyed by said receptacle conveyor between them, 45 parallel with the path of travel of the receptacles, laterally
the angular relation of said grippers to each other being
spaced rotatably driven disk-like cover gripper members
such that the covers are released therefrom upon ‘said
disposed so that’ the gripper members are outwardly in
cover discharge conveyor, and cover guide members
clined relative to each other,‘ the gripper members hav
ing inwardly projecting peripheral ?anges and angularly
positioned to guidingly engage the covers as they are‘
initially engaged by said cover gripper members.
50 spaced radial slits there in in de?ning an annular series
of independently springable jaws of a‘width substantially
10. An apparatus for removing covers from recepta
cles comprising a receptacle conveyor, a cover discharge
less than the width of the covers so that the covers are
conveyor disposed in vertically spaced relation to said
gripped at each end thereof by angularly spaced jaws
‘of the gripper members, said, gripper members acting to
receptacle conveyor, rotatably mounted gripper members,
each having an annular series of springably yieldable
grip the covers while being translated on the receptacles
and lift them from the receptacles.
15. An apparatus for removing covers from recep
tacles, a conveyor for the receptacles, laterally spaced
rotatably driven disk-like cover gripper members dis
posed with their axes in angular relation to each other
cover gripping jaws, said gripper members being disposed
in diverging relation to grip, covers of receptacles con
', veyed by said receptacle conveyor between them, the
‘ ‘ angular relation of said grippers to each other being such
‘ that the covers are released therefrom upon said cover
discharge conveyor.
11. An apparatus for removing covers from recepta
cles comprising a conveyor for covered receptacles, rotat
ably driven cover gripper members provided with an
' and‘ so that the gripper members are outwardly inclined
relative to each other, the gripper members having in
wardly projecting peripheral flanges and angularly spaced
radial slits therein de?ning an annular series of in
annular series of cover gripping jaws, a cover discharge 65 dependently springable jaws of a width substantially less
conveyor disposed with one end‘ between said gripper
than the width of the covers so that the covers are gripped
members, said gripper members being disposed in angu
lar relation to each other to grippingly engage covers of '
receptacles translated on said receptacle conveyor and to
by a plurality of jaws of the gripper members, and a
cover discharge conveyor disposed with its receiving end
release them upon said discharge conveyor, and a cover 70 projecting between the gripper members in vertically
spaced relation to and substantially above the cover en
guide member disposed between said cover gripper mem
bers in spaced relation to the cover engaging jaws thereof.
12. An apparatus for removing covers from receptacles,
‘the covers being dimensioned so that opposed edges
‘ thereof project from the receptacles, comprising a con
gaging ‘position of the jaws, said gripper members acting
to grip the covers while being translated on, the recep
tacles, lift them from the receptacles and discharge them
75 upon said discharge conveyor.
3,071,911
7
16. An apparatus for removing covers from recep-
tacles, a conveyor for the receptacles, laterally spaced
rotatably driven disk-like cover gripper members dis-
8
,
than the width of the covers so that the covers are gripped
by a plurality of jaws of the gripper members.
,
posed with their axes in angular relation to each other _
and so that the gripper members are outwardly inclined 5
relative to each other, the gripper members having in-
References Cited in the ?le of this Paw“
UNITED STATES PATENTS
,2 593 627
Stover ______ __
Apr 22 19.52
Wardly projecting peripheral ?anges and anguiarly spaced
21683360
Keller ________:::::: July‘ 13: 1954
radial slits therein de?ning an annular series of in-
2,778’180
EySter _______________ __ Jan. 22,1957
dependently springable jaws of a width substantially less
2,866,305
Ullman et a1 __________ __ Dec. 30, 1958
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