Improvements in Stone Sawing Machines.
Year: 1898

page_text: Date of Application, 21st Apr., 1898-Accepted, 3rd Dec., 1898
Improvements in Stone Sawing Machines.
We, HARRY HARRISON CUMMINGS, Mill Wright, of 470 West 34th Street, and
JOHN DOMINICK COOLEY, Master Plumber, 111, East 115th Street, both of New
York, in the County and State of New York, United States of America, 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:-
-
Our invention relates to stone-sawing machines, and has for its object to produce
such a machine as will be strong, durable and efficient; and it consists in the
construction and combination of the novel features of the same, as will be herein-
after more fully set forth.
In the accompanying drawings to which reference is made and which fully
illustrate our invention, Figure 1 is a side elevation of the power section of the
machine. Figure 1 is a side elevation of the saw-sash section. Figure 2 is a
top or plan view of the lower section. Figure 2 is a top or plan view of the saw-
sash section. Figure 3 is an end view of the saw-sash section, and Figure 4 is a
detail view.
The letters 12 do not designate the tubular extensions, but the feed-screws, as
clearly shown in Figure 1.
Similar letters of reference indicate corresponding parts in the several figures.
Referring to the drawings, A designates a rectangular framework composed of
two sections A and A2, each section consisting of a bed or supporting section a¹
and a², which rests upon the ground, and the former adapted to receive a stone to
be cut into slabs. The said sections of the bed portions are rigidly secured
together by means of screws or any suitable fastening adapted for the purpose.
Rising from the bed or supporting portion al and the section A are four
uprights B B B B. These uprights are rigidly secured at their lower ends by
means of screws CCCC to the bed-piece a and at their upper ends similarly
secured to longitudinal beams c, c, whose ends are secured together by means of
transversely arranged and shorter beams D and 1. Comprised within the bed-
piece section a¹, uprights B B B B, longitudinal beams c, c, and transverse beams D
and D', of this section A' are longitudinal beams E E, the ends of which are secured
to the inner faces of the uprights B B B B, and near the ends of these beams E E,
which are secured to the uprights, are secured transversely arranged shorter
beams F F. The opposite section A2 of the framework A. being a duplicate to
that of A', with the exception that it has a couple more longitudinal shaft-support-
ing beams and it is somewhat smaller in its construction, a further detailed
description of this section is herein considered as unnecessary. G designates a
rectangular saw-sash or gate carrying a gang of saws, which gate is composed of
two round longitudinal bars 9.9. having T-shaped ends, gg, g', g¹, which, take
into the ends of longitudinal slots g²², formed between upper and lower trans-
versely arranged guide-plates HHH and secured therein by means of
screws h, h, h, h, which are also passed through strengthening plates I, I, I, I, upon

page_text: the upper faces of the plates H, H, H, H. Said screws also serve to secure the
horizontal lower portions of the angle-irons J, J, J, J, to the plates I, I, the upper
portions of said angle irons having perforations j,j, j, j, for the purpose explained
hereinafter.
K, K, K, K, designate vertical guideways secured in any suitable manner to the
outer faces of each of the uprights B, B, B, B. Engaging these guideways and
adapted to slide thereon are transversely arranged and vertically adjustable shaft-
hangers or bearing-boxes L, L, L, L, which receive loosely and operatively hold the
ends of transversely arranged revoluble shafts M, M, from which the saw-sash or
gate carrying a gang of saws is suspended through the medium of links N, N,
through the upper ends of which the shafts M are passed. The lower ends of
these links are attached to the angle-irons J secured upon the ends of the sash
and through which pins 2, ²²², are passed, thus pivotally and loosely
connecting the saw-sash to the lower ends of the links, which allows a reciprocating
movement of the same, that is, of the sash.
0, 0, 0, 0, designate braces, the ends of which are secured near the upper and
lower ends of the links N, N, by means of screws, 0, 0, 0, 0, the said braces being
cruciform in their arrangement.
The adjustable shaft-hangers or bearing-boxes L, L, L, L, are provided with
short rear vertical tubular extensions I, I, I, I, which take into guide-
ways, K, K, K, K, as shown by dotted lines Figures 1 and 3 of the drawings.
Through these
rear tubular extensions elevating and lowering feed-
screws 12, 12, 12, 12, are threaded.
P, P, P, P2, P3, P, designate power-operating shaft-supporting bearings
secured to the upper ends of the uprights B, B, B, B. Journaled through the
bearings P, P, is a longitudinal operating-shaft for operating the feed and ratchet
mechanism of the machine and having keyed to each end thereof miter-gears p', p²,
which mesh with miter-gears 2, 7, secured respectively to transverse feed-screw
shafts Q, Q. The ends of the actuating feed-screw shafts Q, Q', are passed through
the bearings P, 12, and are also provided upon their upper ends with miter-
gears q', ', which mesh with miter-gears q², q², keyed to the upper end of vertical
feed-screws, which traverse the guide-ways. To the extreme outer end of the
shaft Q, which is held in the bearing P³, and keyed to the said shaft in the usual
manner, is a miter-gear r, this miter-gear meshing with the miter-gear keyed to
the upper end of the vertical downwardly-depending feed-screw in the guideway
from the bracket or bearing P. Near the extreme end of the shaft Q, which is
held in the bracket or bearing P, and adjacent to the miter-gear, which meshes
with the miter-gear upon the longitudinal shaft, is another miter-gear f, which
meshes with a miter-gear t, keyed to the upper end of vertical downwardly-
depending feed-screw K.
T designates a cog-wheel which is keyed or secured to the outer end of the
shaft Q. This cog-wheel meshes with a pinion t, upon the inner face of a ratchet-
wheel t, which is in turn pivoted to the shorter end of a loosely-pivoted lever 12,
having its fulcrum as at ', near the upper end of a vertically depending arm t',
secured to a block, interposed between said arm and upright B near the upper
end of the same. To the extreme upper end of this arm is pivotally secured an
operating pawl, which engages the ratchet-wheel 1, and also a keeper t, secured
to the upright B in juxtaposition to the pawl. To the longer end of the fulcrum-
lever 2, is pivotally secured a connecting rod 18 having in its free end a suitable
number of perforations which engage with a pin to secured to the outer face
of the upright B near its lower end. By means of this connecting rod or lever the
feedworks can be thrown in and out of gear. The cog-wheel T, meshes with a
pinion U, rigidly secured upon the end of a parallel shaft 1, which is journaled
in depending hangers V, secured to the under side of the inner ends of the
longitudinal beams c, c. To this shaft is also secured and carried upon its extreme
opposite end a series of power-transmitting bands or belt pulleys 1, 2, 0³, 14, 25.
V2, V3, designate belt-shipping angular hangers secured to the inner face of the

page_text: ends of the longitudinal beams c, c, by means of screws B³, B. The lower ends of
these hangers are provided with slots, through which is passed a belt-shipping
bar, having belt-guides V8, V, located adjacent to one another upon the
opposite edges of said bar near its end.
10, V, designate stop pins projecting from the outer end of the belt-shipper
bar near each end thereof. These pins regulate the extent of movement of
the bar.
V12 designates an angular hanger secured to the top of the transverse beam D
near its end. The downwardly projecting end of this hanger is provided with a
slot V13, within which a pin V, secured upon one end of an operating shipping-
lever V, plays, the shipping-lever having its fulcrum upon the shipping-bar near
one of its ends. Through the medium of this shifting-lever, the shipping bar
carrying the belt guides thereon through which the pulley-belts are passed, the
operator is enabled to shift the belts to suit him over the series of pulleys as
occasion demands.
These pulleys, with the exception of the central pulley, are loosely secured upon
their shaft, and in conjunction with a sprocket-pulley secured upon the shaft Q,
over which a sprocket chain is passed, connects through the medium of the belts
on the belt-pulleys and sprocket-chain on the sprocket-pulley of their respective
shafts other power-operating devices carried by the smaller section A2, of the
framework A, which will now be described.
Referring now to the framework, A³ designates longitudinal beams having their
ends mortised in the inner faces of uprights A and A, near the lower ends of
said uprights, where said uprights are secured to the bed-portion a by means of
screws or other adaptable fastening means. In the upper surface of these beams A³,
and in alinement with each other are mortised-out pieces of the beams, in which
are let journal or bearing boxes A', and which are secured therein by means of
Screws A7, A8. Loosely and revolubly mounted within these journal-boxes A7, A8,
is a transversely arranged crank shaft 13', upon which is keyed near one end a 'belt-
pulley B, having one end of an endless belt passed around the same, and upon
the opposite end of this shaft is keyed a balance-wheel B. To the crank shaft B¹
is also keyed or secured, near the center thereof, a sprocket pulley B, having
sprocket teeth b secured to its periphery, over which is passed a sprocket chain B
to another sprocket-pulley B, located in alinement with B keyed to an upper
crank shaft 137. Both these shafts are shown with only one crank.
C¹ designates a pitman-rod, the head or rear end of which is suitably formed to
engage around the crank-shaft B'. The forward end of this said pitman-rod is
secured to a guide-rod which will be presently explained.
C+, C, designate another set of upper longitudinal beams mortised out on their
upper faces and having journal boxes C, C, constructed and let therein in a similar
manner to the preceding ones below and located in alinement with them. Mounted
within these boxes, is another crank-shaft 17, and keyed to this crank-shaft is
another sprocket pulley 136, similar to the sprocket wheel B, and keyed to the
crank-shaft 137, and opposite to the sprocket pulley B6 is another balance wheel C8;
a similar balance-wheel being secured to the crank-shaft B¹.
C designates another pitman-rod the rear end of which is constructed and.
centrally secured to the crank shaft B7 in a similar manner to that of C, which is
secured to the crank shaft B¹. The forward end of this pitman-rod is secured to
the same device and in the same manner as the previously described pitman-rod C¹,
and as in regard to the pitman-rod C³, as herebefore stated, the connection of this
pitman-rod will be hereinafter explained.
D2, D2, designate transversely arranged beams having their inner ends mortised
in the inner faces of four uprights D, D, D, D. Near one end of each of these
beams are cut transverse kerfs d,, and within these kerfs are held, by means
of a keeper, the ends of a rectangular belt-tightening frame D8, having a
rack 1) formed integral or secured upon the outer surface and near one end, within
which a pinion D10 meshes, which is keyed on the upper end of a vertical hand

page_text: wheel rod 11, the lower end of said rod being stepped in bearings in an angula
bracket D2, secured to one end of the lowest longitudinal beams. The upper end of
this rod is revolubly secured in an angular bracket D, secured to an upper
longitudinal beam, near the end thereof. Secured transversely within and near
one end of the belt-tightening frame is an adjusting roller 14, which contacts
with the face of the belt. Through the medium of the vertical hand-wheel rad D
and the tightening frame, rack, pinion, and roller the desired tension of the pulley
belt can be regulated at will, and to stop the machine when desired the frame
slides ahead again, so that it slacks the belt, which slides around the bottom of the
lower pulley and still keeps running on the line-shaft, as does also the crank on
the end of the line-shaft, and to start the machine a reverse movement is given
to the belt-tightening frame. This upper portion of the endless belt which is
passed over the large pulley completes the circuit of the belt, the lower portion
having been passed over and around the lower belt pulley, hereinbefore described.
EE designate longitudinal top beams upon the upper faces of which are
secured journal-boxes E2 E by means of screws E E E E. Mounted revolubly
within these journal boxes or bearings and upon the beams E, E, is a line-shaft Es
which carries upon one end thereof a large belt wheel or pulley E rigidly secured
to the shaft by means of a set screw E Upon the opposite end of this shaft is
rigidly secured and carried a smaller belt-pulley E", over which are passed two
operating endless belts E, EB, one of said belts being arranged in a straight line
and the other one of which is crossed, are also passed around a series of pulleys, the
center one of which being rigidly connected to the rear shaft, journaled in the
hangers secured to section A, the rest of said pulleys revolving loosely on said
shaft, as hereinbefore described. By such an arrangement of pulleys and belts, in
conjunction with the feed-screw mechanism, the convenient elevating and lowering
of the saw-sash is accomplished, the straight or open belt providing for the lower-
ing of the same and the cross-helt giving a reverse motion for its elevation.
WW2 designate transverse parallel short beams tenoned or otherwise secured to
the inner or forward end of the longitudinal beams EE of this section.
W3 designates a shaft bearing bracket or journal box secured at its outer end, by
means of a screw w³, to the upper face of the beam W. W designates a shaft
bearing-journal box or bracket secured at its lower end to the outer face and side to
beam and alining with the bracket bearing W. Through the upper per-
forated portion of these bearings is passed a revoluble shaft W, having a feather
secured therein, and upon said shaft, near one of its ends, is carried a bevel or
miter-gear W6, which meshes with a bevel or miter-gear W7, keyed upon the inner
end of a revoluble shaft W8, supported and arranged at right angles to the former
shaft W in the upper ends of the journal bearings W, W10, having their lower
ends secured to the upper face of the transverse beams We by means of screws w², w.
W designates guideway plates having their ends bent at right angles and secured
to the inner faces of the transverse beams forming a part of the projecting forward
part of the framework section A².
W designates a sprocket pulley having sprocket teeth secured in its periphery
and centrally secured upon the shaft W8. Over this sprocket pulley
is passed a sprocket chain, which makes connection with another alin-
ing sprocket pulley previously described in section A of the frame-
work A. These sprocket-pulleys connected by their sprocket chains, connect the
feathered shaft W and its bevel or miter gear W with the shaft W8, and its miter
or bevel gear W. Through the agroupment and arrangement of these inter-
mediate shafts and miter or bevel gears, in connection with the belt pulleys, balance
wheel and sprocket pulleys and small pulley on line shaft of this section, the rear
end transverse parallel shafts under pulleys, feed mechanism, and feed-screws in
section A and guide-rod screws in section A2 are intermediately operated between
the said section, the rod connecting the inner end of the saw-carriage and guide-
rod in section A2; the former being on a level continually with the end of the

page_text: carriage or gate. It matters not whether the carriage is at the top of the section A¹,
or down to its lower point of descent, the connecting rod remains on a level.
Z, Z, designate stay rods having one end each secured to the forward projecting
part of section A2 and their opposite ends secured to the rear part of section A',
thus uniting the said sections at their upper ends.
X, X designate transverse beams tenoned or secured to the inner faces of the
bed or support of the section A². These beams are mortised out centrally for the
reception of a transverse guide rod plate, which is secured therein, which receives
the inner ends of two parallel guide rod sections X2, X", which traverse said plate.
X, X, designate lug-supporting plates secured to the outer face and near the lower
and upper ends of the guide rod section X by means of screws a, ³, aª, and
secured to or formed integrally with these plates are lugs X6, X which engage with
and to which are secured blocks, of the pitman-rods previously described.
X, X8, are miter-gears, the neck of the former being secured to the shaft W³.
Upon the same that is—upon the neck of the miter-gear X, is formed an annular
groove, which engages the forked end of a narrow metalic plate, secured to
the side and upper end of the guide rod X2; Xs being secured to the upper end of
a vertical screw which is passed through a perforation in a metalic plate secured
to the upper end of the guide rod, said miter-gear X8 being arranged at right
angles to X and meshing therewith the gear X sliding back and forth with the
shaft W, the gear revolving simultaneously with the reciprocation of the shaft,
these gears keeping mesh with each other continually.
X designates a plate or clamp having formed integral therewith, upon its inner
side, a tubular extension, through which is passed the vertical screw and
secured upon its outer or opposite face are lugs X, X". These lugs engage a
block, secured to one end of a horizontal rode, the opposite end of this rod
having a similar block secured thereon and also secured to and engaging with lugs
secured to the transverse saw-guide head at the inner end of the sash or gate
supported in the frame-work section A through the medium of its transverse and
supporting shaft hereinbefore described.
X designates journal bearing boxes or brackets secured to the upper ends and
outer faces of the two inner uprights of the bed-piece. Within these blocks is
journaled and supported a transversely arranged feed mechanism operating shaft X1,
having a fixed pulley X secured thereon near its outer end. Over this pulley
is passed an endless belt X18, and which is also passed over the projecting end of
the upper power operating sprocket pulley shaft. To the extreme end of the
shaft X is secured one end of a perforated short right-angularly arranged link X".
To the free end of this link is adjustably secured one end of a feed mechanism
rod, the opposite end of this rod being adjustably secured to the depending slotted
arm of the feed mechanism hereinbefore described in section Al of the framework.
The operation of the machine will be obvious in view of the foregoing description,
taken in connection with the accompanying drawings, and a rehearsal of the same
is herein deemed unnecessary.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that what
we claim is:-
-
1. In a stone-sawing machine, the combination, with a frame, one end of which
is provided with longitudinal beams, of short shafts, one above the other, a pulley
upon each of the upper shafts, and two driving pulleys upon the lower one, a belt
from the lower pulleys to each of the upper pulleys, a frame upon said beams pro-
vided with a toothed rack, a pulley in one end of the rack adapted to engage with
the belt from the lower to the upper pulley, a rod, one end of which is provided
with a gear-wheel in engagement with the rack, a hand-wheel upon the rod, a
sash suspended in the frame, and means for connecting said sash with the two
lower shafts, substantially as set forth.
2. In a stone-sawing machine, the combination, with a frame, of a sash suspended

page_text: ammings and Cooley & improvements in Stone Suwing machines.
at one end of the frame and operating mechanism at the other end, a
reciprocating frame intermediate the sash and the operating mechanism,
a clamp within the frame, a rod for connecting the clamp with the sash
therewith, a vertical screw-threaded shaft through the clamp, a longitudinal shaft
journaled in the main frame above the reciprocating frame, and mechanism
connected with the upper end of the screw-threaded shaft and longitudinally
movably connected with the longitudinal shaft, substantially as set forth.
3. In a stone-sawing machine, the combination with a frame, provided with
posts, of hangers upon the posts, a sash suspended from the hangers, a reciprocat-
ing frame at one end of the sash and provided with a clamp, means for removing
the reciprocating frame, a vertical screw-threaded shaft through each of the hangers
and the clamp, a train of gearing connected with the screw-threaded shafts, and
means for operating the gearing continuously or intermittingly, substantially as
set forth.
WHEATLEY & MACKENZIE,
40, Chancery Lane, London, W.C., Agents.