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Патент USA US3045310

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July 24, 1962
3,045,300
R. L. STUCKEY
PORTABLE INGOT STRIPPERS
Filed‘?une 26, 1959
2 Sheets-Sheet 1
29
26
48
%
Richard L. Stuckey
W’?
July 24, 1962
-
R. |_. STUCKEY
3,045,300
PORTABLE INGOT STRIPPERS
Filed June 26, 1959
2 Sheets-Sheet 2
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INVENTOR
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Rich?l'd L . Stuckey
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3,045,3W
Patented July 24, 1962
2
“into the end of housing 10 adjacent the rectangular frame
"
3,045,300
PORTABLE INGOT STRIPPERS
Richard L. Stuckey, Alliance, Ohio, assignor to The Al
liance Machine Company, Alliance, Ohio, a corpora
tion of Ohio
'
Filed June 26, 1959, Ser. No. 823,105
8 Claims. (Cl. 22-—95)
work 11. A clevis 13 is pivoted ‘on a shaft '14 which ex
tends through the head member 12 and the housing 10.
An axially extending stem 15 is ?xed at one end in the
head member 12 and extends axially downwardly through
the housing 10. The end of the stem 15 is provided with
a piston head 16 carrying sealing packing 17. A movable
cylinder 18 surrounds the head 16 and is movable there
This invention relates to portable ingot strippers and,
over along the stem 15. One end of the cylinder is pro
particularly, to apparatus capable of use on an ordinary 10 vided with a head 19 which surrounds stem 15 in sealing
crane hook and capable of stripping large metal ingots
of both- the big-end up and small-end up types.
engagement. The other end of cylinder 18 is provided
with a head 20 carrying an adaptor 21 fastened thereto
The stripping of large metal ingots from their molds
by bolts, 22. The adaptor 21 is adapted to receive the
has long been practiced in the metal industries. The ap
end of a bull nose 23 which is held in place by a remov
paratus for accomplishing this is necessarily large and 15 able pin 24 which passes through the end of the bull
powerful. Hereto-fore, apparatus capable of stripping
nose and through openings 25 in the side walls of adaptor
both big-end up and small-end up ingots was mounted on
a special traveling crane and formed a ?xed and station
ary part of the crane.
21. The hull nose 23 may be removed from the adaptor
by removing pin 24. Mold engaging arms 26 are pivoted
Such cranes are expensive and
on pins 27 suspended ‘from the framework 11. Each of
require special stripping areas in plants where they are 20 the arms 26 is provided with a bell crank arm 28 lying
used. This creates the further disadvantage that the mold
transverse to housing 10 and engaged by piston 29 oper
containing the ingot must be brought to the location of
the stripper in order to carry out the stripping operation
and the mold and stripped ingot must then be removed
to the respective places where they 'are to be further used. 25
ated by a hydraulic cylinder 30. Fluid for energizing
hydraulic cylinder 30 is furnished by a hydraulic pump
31 driven through pulley 32 from pulley 33 on motor 34
In the present invention, I provide a self-contained port
able stripping unit which may be suspended from the hook
of any traveling crane capable of lifting the weight of
all mou-nted on framework 11. Hydraulic ?uid is de
livered to. one side or the ‘other of piston 16 from hy
draulic pump 35‘ also driven by motor 34. The ?uid
is delivered from pump 35 through passage 15a in stem
. the stripper and the ingot or mold as the case may be.
15 and opening 36 or alternatively through passage 15b
A special stripping crane is not required and the same 30 in stem 15 and opening 37 depending whether it is de
crane may be used for st-rippingingots as for carrying
sired to extend or retract cylinder 18. A semi-cylindrical
or lifting steel plates, bars and the like.
bearing pad 38 is mounted on end 19 of cylinder 18.- A
Preferably, I provide an outer housing having an inner
cross-arm 39 surrounding the shaft 15 is mounted on bear
axially movable arm carrying a removable bull nose.
ing pad 38 and is provided with notched arms 4t} which
35
Mold engaging arms having openings and lugs are pro
extend through slots 41 extending axially along the sides
vided on the housing ‘for engaging a mold from which an
of housing ‘10 from the head member 12 to a point inter
ingot is to be stripped. Disengageable tongs are provided
mediate the length of housing 10. An annular ring 42
surrounds the housing 10 at the end opposite the head
engaging said tongs for opening and closing the tongs
member
12 and is slidable vertically on the housing.
to engage the end of an ingot to be stripped, said tongs 40 Clevises 43 are pivoted on pins 441 mounted in the ring
being movable independently of the mold engaging means. ' 42. Each clevis is provided with an opening 45 adapted
I provide for alternatively lifting the mold while push
to pass over and be engaged by arms 40 of the cross-arm.
ing the ingot out of the mold and for lifting the ingot
A second annular ring 46 surrounds the housing beneath
while pushing the mold downwardly away from the ingot.
the ring 4-2 and is suspended on supporting rods 47
Thus, the stripper may alternatively strip small-end up
mounted in frame 11. The annular ring 46 is provided
on the housingpwith means on the housing selectively
ingots or big-end up ingots and may carry the empty mold
or the stripped ingot as the case may be to any desired
location and deposit it.
'
Other advantages, objects and purposes of this inven
tion will be apparent from a consideration of the follow
ing description and the accompanying drawings, in
Which—
preferably‘hardened and adapted to be forced into the.
.
FIGURE 1 is a side elevational view of a stripper
according to my invention;
FIGURE 2 is an end elevational view looking from the
right of FIGURE 1;
‘
FIGURE 3 is a View on the line III—III of FIGURE '
2; and
with a pair of outwardly extending ears 48 which carry
a shaft 49 upon which are pivoted tongs 50. One end
of the tongs is provided with a pivoted shoe ‘51 adapted ‘
to slide on an inclined surface ‘52 on annular ring 42.
The other end‘ of the tongs 50 is provided with a bit
53 removably held in place by a bolt 54. This bit is
.
surfaceof an ingot to lift it.
- When it is desired to use the ingot stripper of this 1n
vention, a hook 55 of a conventional crane is engaged
through the opening 13a of the clevis 13. The stripper
is raised and moved to proper position for use. If the
ingot being stripped is a small-end up ingot thebu'lllnose
FIGURE-4 is a view on the line IV—IV of FIGURE 1. 60 23 is left in place and the mold engaging arms 26 are
Referring to the drawings, I have illustrated a portable
ingot stripper made up of a cylindrical housing 10 carry
ing an upper generally rectangular framework 11 ?xed
thereto adjacent one end. A head member 12 is ?tted
brought into position with the lugs of the mold passing
through openings 26a. Hydraulic ?uid is delivered from
pump 35 through opening 37 causing the cylinder 118 to i
move downwardly engaging the hull nose 23 against the j
8,045,300
3
3. A portable ingot stripper comprising a housing, a
top of the ingot. As the bull nose exerts pressure and
continues to move downwardly the ingot stripper is raised
lift eye on one end of said housing, a hydraulic cylinder
and piston, one ?xed to the housing and the other axial
ly movable in said housing, means on the housing sup
by means of ‘hook 55 at the same rate of speed so that
the mold is raised away from the ingot. When the ingot
is loosened within the mold the hydraulic feed to cyl
inder 18 is stopped and the stripper is raised by the crane
hook 55 until the mold is free of the ingot. If a big-end
plying tluid to opposite ends of said cylinder whereby to
relatively move said cylinder and piston, a removable
up ingot is to be stripped, the bull nose 23 is removed
piston, mold engaging arms pivoted on said housing and
bull nose on the movable member of said cylinder and
by drawing pin 24 and the cylinder 18 is lowered until
movable in a vertical are from a position out of engage
the cross-arm 39 is in position such that the openings 45 10 ment with a mold to a position in engagement with a
in the clevis 43 may be passed over arms 40. The mold
mold, hydraulic means acting on said mold engaging
engaging arms 26 ‘are then moved into position such that
arms said arms having mold lug engaging openings and
spaced mold top ‘bearing stops, [a pair of diametrically
opposed slots in the housing beginning adjacent the lift
the stop members 26b rest on top of the mold. Hy
draulic ?uid is delivered from pump 35 through opening
36 into cylinder 18 causing the cylinder to move verti
cally upwardly. This causes the inclined surfaces 52 to
eye and extending intermediate the ends of the housing,
a cross-arm movable in said slots with the movable mem
ber of said cylinder and piston, cam means slidably
move upwardly and the shoes 51 to act on tongs 50
bringing the bits 53 into engagement with the end of the
mounted on the housing, clevis means on the cam means
ingot. When engagement has been completed continued
connectable to said cross-arms and selectively movable
?ow of hydraulic ?uid into cylinder 18 causes the ingot 20 with said cross-arms to carry said cam means axially with
to be pulled upwardly up out of the mold. In stripping
respect to the housing, tong means pivoted on the hous
ing, and cam follower means on the tong means adapted
to ride on the cam means to close and open the tongs,
said bull nose and said cam means being selectively inter
the ingot from the mold the stripper assembly is raised
by crane hook 55 until the ingot is free of the mold and
the ingot is then delivered to the desired place in the
plant.
25 changeably used in conjunction with the movable mem
While I have illustrated a present preferred embodi
ment of this invention, it will be understood that this in
vention may be otherwise embodied within the scope of
ber of said cylinder and piston.
4. A portable ingot stripper comprising a housing, a
lift eye adapted to receive a crane hook on one end of
the following claims.
I claim:
said housing, a hydraulic piston ?xed to the housing, a
30
cylinder surrounding said piston and movable vertically
1. A portable ingot stripper comprising a housing, a
thereon, means on the housing selectively supplying ?uid
hydraulic cylinder and piston, one ?xed to the housing
to opposite ends of the cylinder on opposite sides of
and the other vertically movable in said housing, means
the piston whereby to relatively move said cylinder with
on the housing supplying fluid to opposite ends of said
respect to the piston in the housing, a removable bull
cylinder whereby to relatively move said cylinder and 35 nose on the cylinder, mold engaging arms pivoted at one
piston, a removable bull nose on the movable member
end on said housing and movable in a vertical are from
of said cylinder and piston, mold engaging arms pivoted
a position out of engagement with a mold to a position
on said housing and movable in a vertical are vfrom a
in engagement with a mold, means acting on said mold
position out of engagement with a mold to a position in
engaging arm to move them in said are, said arms having
engagement with‘ a mold, hydraulic means on the hous 40 mold engaging openings and spaced mold top bearing
ing acting on said mold engaging arms to cause them
stops at the opposite end, a pair of diametrically opposed
to move, said arms having mold lug engaging openings
slots in the housing beginning adjacent the lift eye and
and spaced mold top ‘bearing stops, a cross-arm movable
extending intermediate the ends of the housing, a cross
with the movable member of said cylinder and piston,
cam means slidably mounted on the housing, attaching
arm movable in said slots with the cylinder, cam means
slidably mounted on the housing, clevis means on the
means on [the cam means connectable to said cross-arms
cam means connectable to said cross-arm and selectively
and selectively movable with said cross-arms axially with
respect to the housing, tong means pivoted on the hous
movable to carry the cam means axially with respect to
ing, and cam follower means on the tong means adapted
to ride on the cam means to close and open the tongs,
said bull nose and said cam means being selectively in
follower means on the tong means, adapted to ride on
the cam means to open and close the tongs of said bull
nose and said cam means being selectively interchange
terchangeably used in conjunction with the movable
member of said cylinder and piston.
2. A portable ingot stripper comprising a housing, a
hydraulic piston ?xed to the housing, a cylinder surround
ably used in conjunction with the cylinder.
5. A portable ingot stripper comprising a housing, a
ing said piston and movable vertically thereon, means on
the housing selectively supplying ?uid to opposite ends
of the cylinder on opposite sides‘of the piston whereby
the housing, tong means pivoted on the housing, cam
lift eye on one end of said housing, an axially extending
shaft ?xed to the housing, a piston on said shaft inter
mediate the ends of said housing, a cylinder surrounding
said piston and movable vertically thereon, means on
the housing selectively supplying ?uid to opposite ends of
the cylinder on opposite sides of the piston whereby to
in the housing, a removable bull nose on’ the cylinder, 60 relatively move said cylinder with respect to the piston
to relatively move said cylinder with respect to the piston
mold engaging arms pivoted at one end on said housing
and movable in a vertical are from a position out of en
in the housing, a removable bull nose on the cylinder,
mold engaging arms pivoted at one end on said housing
gagement with a mold to a position in engagement with
and movable in a vertical are from a position out of
a mold, means acting on said mold engaging arms to
engagement with a mold to a position in engagement with‘
move them in said are, said arms having mold, engaging 65 a mold, means acting on said mold engaging arm to move
openings and spaced mold top bearing stops at the op
them in said are, said arms having mold engaging open
posite end, a cross-arm movable with the cylinder, cam
means slidably mounted on the housing, attaching means
ings and spaced mold top bearing stops at the opposite
end, a pair of diametrically opposed slots in the housing
beginning adjacent the lift eye and extending intermediate
on the cam means connectable to said cross-arm and se
lectively movable to carry the cam means axially with 70 the ends of the housing, a cross-arm movable in said
respect to the housing, tong means pivoted on the hous
slots with the cylinder, cam means slidably mounted on
the housing, attaching means on the cam means con
ing, cam follower means on the tong means, adapted to
ride on the cam means to open and close the tongs of
nectable to said cross-arm and selectively movable to
said bull nose and said cam means being selectively in
carry the cam means axially with respect to the housing,
terchangeably used in conjunction with the cylinder.
75 tong means pivoted on the housing, cam follower means
5
3,045,300
6
on the tong means, adapted to ride on the cam means
_
on the cylinder end by a removable pin passing through
openings in the bull nose and cylinder.
to open vand close the tongs of said bull nose and said
cam means being selectively interchangeably used in con
8. A portable'ingot stripper as claimed in claim 5
wherein the tong means is provided with hardened bits
junction with the cylinder.
6. A portable ingot stripper as claimed in claim _5 5 adapted to bite into and engage an ingot head.
References Cited in the ?le of this patent
a (ring surrounding the housing and slidable axially there
on and the ring is supported on elevises selectively re
UNITED STATES PATENTS
wherein the cam means are inclines on opposite sides of
movable from the cross-arm.
7. A portable ingot stripper as claimed in claim 5
wherein the bull nose is an elongated member engaged
10
1,398,844
2,641,806
Danforth ___________ __, Nov. 29, 1921
Leckrone ___________ __ June 16, 1953
2,842,821
, Harry ______________ __ July 15, 1958
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