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Патент USA US2126979

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Aug. 16, I1938.
vl». sAPPlNGToN -
Filed May 21,4 19:57
2 Sheets-Sheet l
Paul ¿Sqn/U ämmm
Aug.A 16, 1938.
Filed May 2l, 1937
2 Sheets-Sheet 2
Patented Aug. 16, 1938
Paul Sappington, Los Angeles, Calif., assignor of
one-half to J. C. Rosenthal, Los Angeles, Calif. ’
Application May 21, 1937, VSerial No. 144,056
2 Claims.
This invention relates to a simple and eñicientV
machine for use in joining the coiled springs of
a mattress or similar structure, one of the ob
jects being to provide a mechanism whereby elon
gated coiled springs can be fed to upstanding
springs arranged in rows so as to become inter
twined therewith and constitute resilient con
(Cl. 140-3)
The rails 5 constitute a track on which are“
mounted wheels ‘I connected to and supporting
opposed portions of a carriage 8 which is in
the nature of a yoke extending downwardly be
tween the rails of the track.
. 5
The carriage is provided with a Standard gf»
in which is secured one end portion of a tubular
nections between them.
A further object is to provide a machine of
this character which can be operated by one per
housing IU supported between its ends by a
grooved roller Il carried by a transverse shaft
I2 which is supported by the legs at one end of 10
son and, when in action, will feed one or more
the machine.
coiled springs to the cushioning springs to be
The tubular housing I0 is held against rota
joined thereby.
A further object is to provide simple and effi
tion and the outer end thereof, which is the end
cient means for shifting the driving mechanism
hollow head I3 iixedly mounted thereon and 15
whereby the feed can be reversed at will so as
extending `upwardly therefrom. A removable
cover plate I4 is secured in any suitable manner
to quickly reset it for successive operations.
A still further object is to provide a light ma
chine of this type which will not readily get out
of order and can be installed readily.
With the foregoing and other objects in View
which will appear as the description proceeds,
the invention consists of certain novel details of
construction and combinations of parts herein
after more fully described and pointed out in the
claims, it being understood that changes may be
made in the construction and arrangement of
parts without departing from the spirit of the
invention as claimed.
In the accompanying drawings the preferred
form of the invention has been shown.
I5 in each of which is journalled a short shaft I t.
A drive shaft I'I is journalled within the tubu 20
lar housing Ill and projects from both ends there
of. By means of chain and sprocket mechanism
indicated generally at I8 and located in the head
I3, rotary motion is transmitted from shaft I‘I
to the short shaft I6 so that they will all rotate
in the same direction simultaneously. The outer
Aends of the short shaft I6 which are extended
toward the carriage 3, are provided with grippers
indicated in detail in Figures 8 and 9. Each of
these grippers includes a stationary linger I9 30
which is lapped by a clamping plate 2li having a
tapered gripping end- 2| slightly spaced from the
finger I9 so as to provide a clearance 22 for the
reception of the end convolution of a coiled spring
to be actuated. It is to be understood that dif
being indicated by broken lines.
to this head and is provided with bearing sleeves
1 is a front elevation of the machine.
2 is a plan view thereof.
3 is a section on line 3--3, Figure 1.
4 is a section on line 4--4, Figure 3.
5 is a section through a portion of the
taken on line .5-5, Figure 3, the motor
In said drawings
farthest removed from the standard 9, has a
6 is a section through a portion of the
taken on line 6--6, Figure 4.
7 is a section on line ‘I--'I, Figure 1.
8 is an enlarged plan view of one of
the grippers and its supporting head.
Figure 9 is a section on line 9_9, Figure 8.
Figure 10 is a plan view showing, in diagram,
the relative positions of some of the cushioning
springs and connecting coils.
Referring to the figures by characters of ref
erence I designates the legs of a table 2 o-n which
are mounted parallel strips 3 each having a row
of upwardly extending pins 4. Longitudinal side
rails 5 connect the legs and the entire supporting
structure of the top 2 can be reenforced by means
of braces 6 located wherever found desirable.
ferent types of gripping devices can be used and
the particular construction of the one herein
shown therefore is of no particular importance.
'I'hat end of shaft I'I adjacent to the standard
9 is provided with a friction wheel 23 normally 40
engaged by a small friction wheel 24 on the shaft
25 of an electric motor 2B. This motor has base
members 21 and 28 and from the member 28
extends a depending ear 29 pivotally supported
on a pin 30 located under the carriage 8. This
depending ear 29 is preferably made integral with
a block 3| arranged beneath and i'lxedly secured
to the base member 28 of the motor. To this
same block is pivotally attached the lower end
of an upwardly extended angular lever 32 carry 50
ing a friction wheel 33 at its upper end and ex
tending laterally from this upper end of the lever
32 is an arm 34 in which is ñxedly mounted the
lower end of a bearing pin 35 carrying an anti
friction roller 36. This roller thrusts outwardly 55
or forwardly against an actuating rail 31 sup
ported by depending arms 38 pivotally mounted
under the top 2 adjacent to the ends thereof.
Extending from the upper or pivoted ends of
the arms are levers 39 connected by rods 4B to
brackets 4I fastened to the end portions of a
treddle 42. This treddle is extended longitudi
nally of the machine adjacent to the bottom
thereof and is pivotally supported at its ends as
shown at 43. The brackets 4I are so located that
when the forward portion of the treddle is de
pressed, these brackets will be moved upwardly,
thereby transmitting thrust to the rods 44 to the
being the coiled springs C which were fed thereto
by the advancement of the head I3.
If at any time during the forward feeding of
the springs, it should be found desirable to re
tract them for the purpose of directing the same Ul
into proper engagement with the upstandingv or
cushioning springs, it becomes necessary merely
for the operator to depress the treddle 42. This
will cause an upthrust through rod 44 and lever
39 to arms 38 and rail 31 therefore will push
against the anti-friction roller 36 and cause lever
32 to swing to the left in Figure 4. Finger 41
will be released for swinging movement because
levers 39 and causing arms 38 to swing the rail the stop 49 will move away from it and as the
31 inwardly or backwardly so as to correspond
plate 44 is supporting a part of the weight of the
ingly move the anti-friction roller 35 wherever motor, this weight will be sufficient to cause the
it may be located along said rail.
motor to swing downwardly when finger 41 is
A lifting plate 44 is located below the base por
released, thereby withdrawing wheel 24 from
tion 21 of the motor and has a downturned bear
contact with wheel 23. During this operation
ing portion lifting upon the bottom of the car
wheel 33 which has been moving with lever 32, 20
riage 8 and seated in a notch in said bottom as ' will come into contact with both of the wheels
indicated by dotted lines at 4‘6 in Figure 6. This 23 and 24. Consequently the rotation of shaft
lifting plate is provided with an upwardly ex
I1 will be reversed and the grippers, together with
tended finger 41. A connecting rod 48 is piv
the springs engaged thereby, will also be rotated
otally connected to the lever 32 and extends in a reverse direction so that the springs will be
loosely through finger 41, there being a nut or unwound from the upstanding supporting springs
other suitable stop device on this rod as indicated on the pins 4 until the free ends of these con
at 49 so as to prevent withdrawal of the rod from
necting springs are brought to predetermined
the finger when pulled in one direction.
positions. By then releasing treddle 42 all of
A spring 53 is connected to the free end por
the parts will be returned to their normal posi- ¢~tion of the arm 34 and to the block 3l and thus tions and the connecting springs can again be
serves to exert a constant pull upon arm 34 so as
fed forwardly.
to hold friction wheel 33 normally spaced from
the wheel 23 as shown in Figure 4. The spring
also serves normally to pull through lever 32 and
rod 48 upon finger 41 with the result that the
plate 44 thus presses upwardly against the base
portion 21 of the motor so that the friction wheel
24 is normally in engagement with the friction
Following the complete seating of the con
necting springs the grippers can be detached
therefrom and the operator, by pulling on the
head I3, can move the carriage back to its initial
wheel 23.
With the parts arranged in their normal posi
tions as described and as illustrated in Figure 4,
the operator pulls on the head I3 so as to move
the carriage S toward one side of the machine,
45 the wheels 1 travelling along the rails 5 while
the Wheel 3B travels along the rail 31. The
cushioning springs S to be joined are place-d in
upstanding positions on the pins 4 so as thus to
occupy parallel rows on the strips 3 above top2.
50 The long coiled springs C used for connecting the
upper and lower convolutions of theupstanding
springs are then placed with one end gripped
tightly by the fingers I9 and 2l while the other
vend of these springs is placed in engagement
55 with the upper and lower convolutions of the
nearest springs S in the parallel series. With
the parts thus arranged the motor 2B is started
and motion will be transmitted therefrom
through the wheels 24 and 23 to shaft I1 which,
60 in turn, will transmit motion through the chain
and sprocket mechanism to the shaft I6 and the
position whereupon additional connecting springs
can be attached to the grippers. Those springs
on the pins which had been joined by the com
pleted operation, can then be moved laterally to 40
allow the arrangement of another row of springs
on one set of the pins 4. Therefore when addi
tional connecting springs are fed by the ma
chine, these newly applied springs on pins 4 Will
be joined to one row of springs of the partly 45
completed mattress. This operation can be re
peated until a mattress or cushioning structure
of any desired width has been produced.
Obviously the operator, while standing in front
of the machine, can reach readily to any part of 50
the top and can also readily reach the head I3
for the purpose of moving it backwardly or for
wardly as necessary. The operator is also lo
cated where he can easily guide the connecting
springs as they are threaded forwardly into en 55
gagement with the parallel series of springs on
the pins.
It is to be understood Vthat movement of the
carriage in one direction can be limited by a
stop such as indicated at 50 in Figure 1.
What is claimed is:
grippers carried thereby. Consequently the two
1. A machine for forming a mattress of rows
coiled springs which are to be entwined with the
of cushioning springs joined by connecting
upstanding cushioning springs will be> rotated
springs, said machine including a structure for
supporting parallel rows of cushioning springs, a 65
carriage mounted for back and forth movement
on said structure, and means operating inde
pendently of the carriage for rotating a con
necting spring, said means including a motor,
gripping means, reversible friction gearing for 70
transmitting motion from the motor to the grip
65 and as a result of their helical configuration,
they will feed forwardly automatically, passing
from one spring to another and not only becom
ing intertwined with the Springs of each series
70 but also with the corresponding springs of the
opposed series so that following the complete ad
vance of the two coiled springs being fed into
the machine, the springs of each row will be
joined together and will also be joined to the
75 springs of the other row, the connecting means
ping means, and means under the control of the '
operator for shifting the friction gearing into
reverse While the carriage is in any position with
in the structure.
2. The combination with a supporting struc
ture, a. top thereon, and upstanding rows of pins
on the top, of a track carried by said structure, a
carriage mounted for free movement therealong,
a tubular housing ñXedly joined to the carriage
and extending beyond one end of the top, a head
carried by the housing and supported thereby
beyond one end of the top, a gripper mounted for
rotation relative to the head, a motor suitably
10 mounted on the carriage, a driving Wheel there
on, a shaft in the housing, means driven thereby
by actuating the gripper, a friction Wheel on the
shaft, an intermediate Wheel, a rail mounted for
swinging motion, means under the control of an
operator for actuating the rail, and means mov
able along the rail for simultaneously tilting the
motor and shifting the intermediate Wheel to
drive the shaft in either direction.
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