Improvements in Tire Punching Machines.
Year: 1892

page_text: Date of Application, 12th Jan.. 1892-Accepted, 13th Feb., 1892
DE BUITIVATION.
Improvements in Tire Punching Machines.
I, PETER GENDRON, residing at No. 1413 Walnut Street, in the City of Toledo,
County of Lucas and State of Ohio, Manufacturer, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
This invention relates to new and useful improvements in tire punching machine;
and the invention consists in the peculiar construction of a machine designed to
aperture a tire to receive the spokes of a metallic wheel or for the bolts used in a
wooden wheel.
The invention consists particularly in the peculiar construction of a machine
having a bed upon which are guides arranged on a circle, a series of radial dies
within the circle, a corresponding series of punches outside the circle and means
for actuating the dies and punches towards the tire on opposite sides thereof, and a
suitable lifting or delivery rack arranged to remove the tire after it is punched.
The invention further consists in the peculiar construction, arrangement and
combination of the various parts, all as more fully hereinafter described.
In the drawings,
Fig. 1 is a side elevation of my improved machine.
Fig. 2 is a plan view thereof.
Fig. 3 is a vertical, central section on line a-a Fig. 2.
Fig. 4 is an enlarged section of one of the punches.
Fig. 5 is an enlarged section showing supporting guides.
Figs. 6 and 7 are elevations of the operating cams.
Fig. 8 is an enlarged section similar to Fig. 3, showing construction of dies,
guides, etc.
Fig. 9 is a similar section showing the dies and punch in operating position.
A is the base. B is the top, supporting upon uprights C. D is the main drive
shaft, driven by power applied to the pulley D'.
E is a drive pinion of the shaft D, meshing with gear wheel F, upon the shaft F1
journaled centrally in the base parallel with the shaft D. This shaft carries three
cams G, G¹ and G³, actuating respectively the punches, the dies and the throwing
off' spider.
The cam G is preferably formed by a flange a on the gear wheel F and the
hub b cast integral therewith a roller e bearing on said hub. As the wheel rotates
the cut-away portion d allows the roller to lower, and it is forced downward by
means of the web e upon the flange a, as plainly shown in Fig. 6. This roller is
attached by a pin to a vertical frame H which is guided upon suitable guide
róds H¹, secured at each side thereof, as plainly shown in Fig. 1. This frame is
centrally apertured to receive the vertical shaft I which operates in the manner
hereinafter more fully described.
I are collars on the upper end of the frame H between which is formed an
annular groove adapted to receive the ends of the bell crank J, which are pivoted
upon pivots K at the edge of the machine, the other arm of the bell crank lever
extends vertically through a slot in the cap of the machine and engages in a socket
on the underside of the sliding punch blocks K'.
These punch blocks are provided with screw-threaded sockets L, which are
preferably split at the top and are clamped together by means of suitable clamping
bolts K
These sockets are interiorly screw-threaded, adapted to receive the screw-
threaded tool holders L'. These tool holders at the forward end are recessed to

page_text: receive the plug which holds a suitable punch g in position in the end of the tool
holder. This punch is provided with a straight portion and the chamber or
countersink portion f2. The object of giving this shape to the punch is to form a
countersunk hole in the tire, so that the head of the spoke may be riveted flush
with the periphery of the tire.
It is evident that by turning the tool holder L' it will be adjusted readily, and
when it has been adjusted to the proper point by clamping the two parts of the
socket L together, it will be held in its adjusted position without danger of damage
to the screw thread in the operation of the machine.
The sliding blocks K¹ are provided with suitable heads entering suitable radial
grooves in the top of the machine, being held in position by means of a cap h',
forming the top of the frame and also the top bearing for the head h. This top is
held in position by suitable screws or bolts, and in case of wear of the heads h or
of the caps ', the parts may be taken apart and dressed to make a close fit.
O are a series of like radially movable beds extending from near the center of
the machine outwardly. These beds have a limited sliding movement and motion
is imparted to them by the tapering head Q¹ upon the shaft I which bears against
the lugs O, extending downwardly centrally of the machine, and bearing with their
inner faces against the head O¹; their outer faces are tapered inwardly and engage
within a correspondingly tapered collar O³ secured on the shaft I, all so arranged
that a downward movement of the shaft moves the beds O outwardly by means of
the inclined bearing on the head O¹, while an upward movement of the shaft returns
the beds to their inner position, by means of the inclined face on the collar O³,
bearing against the incline on the outside of the lug 02. Motion is imparted to
the shaft from cam G', shown in Fig. 7, by means of roller O* bearing thereon,
the roller being journaled upon a pin O' secured in the shaft, the frame H being
suitably slotted."
To each of the beds is adjustably secured the die blocks P, by means of
bolts P. The upper face of the bed is provided with notches P2 with which corre-
sponding notches on the blocks P engage.
These blocks are apertured to receive suitable dies i, a block and adjusting
screw j.
The die is provided with a tapering opening which connects with a passage j
in the block, which connects with a downwardly extending discharge pipe k,
through which the cut metal may drop into any suitable receptacle.
Upon the top of the die blocks are secured the guides Q by means of the bolts Q¹
passing through the arm Q2 thereof.
The
R is an adjusting screw by means of which the guides may be adjusted
guides extend downward to a point near the top of the dies and are provided with
a lateral bearing face R.
The tire is supported upon arms S, each provided with a guide horn or pin S¹ at
its end, having an inclined face to guide the tire to a seat upon the arm S, and to
thus center the tire upon the machine.
These arms are radially adjustable by means of the bolt S2 engaging in a slot S³
of the arm, and are vertically adjustable by means of the set screws S in the arm,
bearing against the table top.
The arm I preferably make of spring metal to allow of this vertical adjustment
and to hold it firmly upon the table at all times.
The vertical adjustment is for the purpose of adjusting the tire in proper relation
to the punch and dies, or, in other words these arms form a support which centers
the tire, so that it will receive a like bearing at all points from the dies, and also to
support it at such a point vertically that the hole will be punched at the middle of
the tire.
T is a circular rim having radial arnis T¹ extending on a plane beneath the tire,
forming a spider or frame. This spider is secured to the lever U, pivoted at U',
its outer end being connected to a rod U2, which in turn is connected to the lever Us
pivoted upon bracket V on the base of the machine, and held normally in position,

page_text: shown in Fig. 1, by the tension of the spring V₁. The roller V2 secured to the side
of this lever bears on the cam G².
During the rotation of the shaft F¹ the cam G³ will by the connectious described,
lift the spider to the position shown in dotted lines in Fig. 1, to discharge the
finished tire, the spring V, returning it to its normal position, as soon as the shaft
turns to allow it to act.
The
The parts being properly adjusted and a tire being dropped over the guides Q,
falls upon the arms S, which supports it in the position shown in Fig. 8.
machine being in motion, the cam G' first moves the shaft I downward, which by
means of the tapering head O' moves out, simultaneously, all the radial beds (
until the dies bear firmly against the inside of the tire, as shown in Fig. 9.
The bearing R' prevents the possibility of the tire raising during the punching
operation. While the die is thus in position, the cam G moves the frame H
downward, rocking levers J, which simultaneously move inward all the punches,
which enter the dies, and thus punch the desired holes. The punches and dies
are retracted by the mechanism described, and the cam G then actuates the
spider, which as previously described discharges the punched tire, and is returned
to its normal position by the spring. The machine is now ready to repeat the
operation.
It is evident that by adjusting the dies and punches, tires of different diameters
may be punched.
By moving the dies in and out as described, I am enabled to feed the tire freely
upon the machine and to move the dies to a position in which they will have
precisely the proper bearing upon the inner face of the tire at the time the punch
is doing its work. Then also, when the dies are retracted, the tire lies loosely
upon the machine and can be removed without trouble.
I preferably arrange a single dovetail groove extending from the outside of the
top of the machine to the inner edge thereof to receive both the punches and dies,
thus ensuring perfect alignment between the two parts and enabling me to
construct the machine with economy and to repair it with the least possible amount
of labor, the cap h¹ serving as a cap for the heads or dovetail portion of both the
die, supporting beds and punches.
The head not only forms the actuating means for the bed plate O, but also
forms an abutment against which these beds are pressed by the action of the
punches, so that the entire power of the punches is applied to this head upon
opposite sides, thereby preventing any possibility of a transverse strain to the shaft.
By making the head O', actuate the beds O and arranging the dies adjustable
upon these beds I am enabled always to give the same movement to the beds,
regardless of the size of the wheel or the location of the dies upon the beds.
While I have shown the dies, punches and delivery mechanism all actuated from
a single shaft by cams on that shaft, it is evident that other devices may be
constructed for accomplishing the same work, and I do not limit myself to the
precise construction of the parts herein shown.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is:
1. In a tire punching machine, the combination with a supporting bed, of a
series of radial punches, and a corresponding series of dies, substantially as
described.
2. In a tire punching machine, the combination with a supporting bed, of a series
of radial punches, and a corresponding series of radially movable dies, and of
actuating mechanism for said dies and punches, substantially as described.
3. In a tire punching machine, the combination with a supporting bed and the
punches, of a series of radially moving dies, and actuating mechanism for said dies,
substantially as described.
4. In a tire punching machine, the combination with a supporting, bed, of a

page_text: series of radial dies moving outwardly from the center, and a series of oppositely
moving punches, substantially as described.
5. In a tire punching machine, the combination with a supporting bed, a series
of radial guide grooves therein, a series of dies in one end of said groove, a
series of punches in the other end thereof, and means for moving said dies and
punches towards each other, substantially as described.
6. In a tire punching machine, the combination with a supporting bed, a series of
dies radially arranged on said bed, a corresponding series of punches and a head
for actuating said dies, substantially as described.
7. In a tire punching machine, the combination with the frame, a series of die
supporting beds radially arranged centrally thereof, a series of dies adjustably
secured on said beds, and a head for moving said heads simultaneously, substan-
tially as described.
8. In a tire punching machine, the combination with the frame of the machine,
of a series of radially arranged sliding beds, a series of dies adjustably secured on
said beds, a corresponding series of punches, a central head adapted to move
said beds outwardly and forming an abutment for said beds, substantially as
described.
9. In a tire punching machine, the combination with the frame, a series of dies
radially arranged, a series of sliding beds upon which said dies are secured, a
central shaft for moving said dies outwardly and means, for retracting said dies,
substantially as described.
10. In a tire punching machine, the combination with the frame, of a series of
radially arranged dies, a series of sliding beds upon which said dies are secured,
a central shaft against which said beds bear, an inclined bearing for actuating said
beds outwardly and a second inclined bearing connected with said shaft for
retracting said beds, substantially as described.
11. In a tire punching machine, the combination with the bed, its dies and
punches, of a series of adjustable supporting arms for centering a tire thereon,
substantially as described.
12. In a tire punching machine, the combination with the bed, its dies and
punches, of supporting arins for centering said tire and means for adjusting said
arms laterally and vertically, substantially as described.
13. In a tire punching machine, the combination with the bed of the spring
actuated arms S having guiding horns S', of means for securing said arms
adjustably to the frame of the machine and the set screw St for adjusting said arms
vertically, substantially as described.
14. In a tire punching machine, the combination with the movable dies, of the
guide arms secured thereto, substantially as described.
15. In a tire punching machine, the combination with the movable dies, of the
guide arms Q secured thereto, having a horizontal bearing R', substantially as
described.
16. In a tire punching machine, the combination with the movable dies of the
guide arms Qsecured thereto and means for adjusting said guide arms, substan-
tially as described.
17. In a tire punching machine, the combination of the die supporting blocks P,
adjustably secured upon the sliding bed O, substantially as described.
18. In a tire punching machine, the combination with the frame, of the sliding
beds notched upon their upper surfaces, the die supporting blocks P having
corresponding notches to engage therewith, the clamping bolt P¹, and the dies in
said blocks, substantially as described.
19. In a tire punching machine, the combination with a die supporting block
apertured to receive a die i of the passage connecting with the passage j² and
the discharge tube k, substantially as described.
20. The combination with a die supporting block, radially apertured, of the
'die and the screw threaded block for adjusting said die, substantially as
described.

page_text: 21. The combination with the frame of the machine having a series of central
dies radially arranged, of a corresponding series of punches, means for adjusting
said punches to and from said dies and means for actuating said punches, substan-
tially as described.
22. In a tire punching machine, in combination with the frame, a series of
central dies radially arranged, a corresponding series of punches, means for
adjusting said punches to or from the dies, and a single actuating shaft for said
punches, substantially as described.
23. In a tire punching machine, the combination with the frame, of the radially
arranged punching blocks K', of the screw threaded socket L upon the said
punching blocks, the tool holder L' engaged in said sockets and the punch secured
to said tool holders, substantially as described.
24. The combination with the tool holder L¹ of the punch having a shank
portion and the bevelled portion, substantially as described.
25. The combination with the tool holder L' of the plug and the punch g,
substantially as described.
26. In a tire punching machine, the combination with the frame, the dies and
punches, substantially as described, of drive mechanism consisting of a central
transverse shaft and connections from that shaft to the punches and dies, substan-
tially as described.
27. In a tire punching machine, the combination with the frame, the punches
and dies, substantially as described, of drive mechanism consisting of a transverse
shaft, a vertical shaft for actuating the dies, and a vertical frame for actuating
the punches described.
28. In a tire punching machine, the combination with the frame, a series of
centrally arranged radial dies, a corresponding series of radial punches, the bell
crank levers J engaging with said punch with one arm and with the other arm
engaging with a bearing on the frame H and means for actuating said frame,
substantially as described.
29. In a tire punching machine, the combination with the frame, the punches
and dies, of a throw-off spider having radial arms extending beneath the plane of
said punches, and means for intermittently actuating said spider, substantially as
described.
30. In a tire punching machine, the combination with the frame, the punches
and dies, of a spider consisting of a circular ring, with interiorly extending radial
arms T, means for intermittently actuating said spider, and a spring adapted to
return said spider to its normal position, substantially as described.
31. In a tire punching machine, a throw-off mechanism, consisting of the rim T
having radial arms T₁, the lever U pivoted at U₁, the connecting rod U2, the
lever U³, means for actuating said lever and the spring V₁, substantially as
described.
كيم
1001
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.