IMPROVEMENTS APPLICABLE TO MACHINES FOR PUNCHING, DRILLING, OR SETTING OUT BOILER AND OTHER PLATES, BARS, RAILS, CYLINDER. FLANGES, AND OTHER WORK IN WHICH A SERIES OF HOLES, PERFORATIONS, OR MARKINGS ARE REQUIRED AT ACCURATELY MEASURED DISTANCES APART."
Year: 1878

page_text: LETTERS PATENT to James Cuthbert Scott, of Manchester, in the County of
Lancaster, Engineer, for the Invention of "IMPROVEMENTS APPLICABLE TO
MACHINES FOR PUNCHING, DRILLING, OR SETTING OUT BOILER AND OTHER
PLATES, BARS, RAILS, CYLINDER. FLANGES, AND OTHER WORK IN WHICH A
SERIES OF HOLES, PERFORATIONS, OR MARKINGS ARE REQUIRED AT
ACCURATELY MEASURED DISTANCES APART."
PROVISIONAL SPECIFICATION left by the said James Cuthbert Scott at
the Office of the Commissioners of Patents on the 15th March 1878.
JAMES CUTHBERT SCOTT, of Manchester, in the County of Lancaster, Engineer.
"IMPROVEMENTS APPLICABLE TO MACHINES FOR PUNCHING, DRILLING, OR SETTING
OUT BOILER AND OTHER PLATES, BARS, RAILS, CYLINDER FLANGES, AND OTHER
WORK IN WHICH A SERIES OF HOLES, PERFORATIONS, OR MARKINGS ARE
REQUIRED AT ACCURATELY MEASURED DISTANCES APART."
My Invention consists in the use of certain apparatus to be used in conjunction
with machines for punching, drilling, or setting out boiler and other plates, bars,
rails, cylinder flanges, and other work in which a series of holes, perforations, or
markings are required at accurately measured distances apart.
The apparatus I use acts through the agency of a handle which moves around a
disc having graduations marked thereon, and which carries an adjustable stop for
determining the extent of motion of the said handle, and in such manner that it
always starts from the same point and finishes after the required number of turns
against the said adjustable stop.
To apply this apparatus when straight lines of holes or markings are to be formed
I cause the aforesaid handle to give an intermittent motion to a table similar to
that of a planing machine which carries the plate or other article to be operated
upon, and the successive motions of the handle bring the said plate or other article.

page_text: into the positions to be acted upon by any ordinary punch, drill, or marking
instrument.
If the holes or markings be required in a circle, then a rotatory motion is
imparted to the table, or if in an irregular line, a template or shaper is used for
guiding the article in the required course; by reversing this arrangement the
article may be stationary, and the punch, drill, or marker have the intermittent
motion.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said James Cuthbert Scott in the Great Seal Patent Office on the
14th September 1878.
JAMES CUTHBERT SCOTT, of Manchester, in the County of Lancaster, Engineer.
"IMPROVEMENTS APPLICABLE TO MACHINES FOR PUNCHING, DRILLING, OR SETTING
OUT BOILER AND OTHER PLATES, BARS, RAILS, CYLINDER FLANGES, AND OTHER
WORK IN WHICH A SERIES OF HOLES, PERFORATIONS, OR MARKINGS ARE
REQUIRED AT ACCURATELY MEASURED DISTANCES APART."
My Invention consists in the use of certain apparatus to be used in conjunction
with machines for punching, drilling, or setting out boiler and other plates, bars,
rails, cylinder flanges, and other work in which a series of holes, perforations, or
markings are required at accurately measured distances apart, and I will in the
first place describe the construction of such certain apparatus separately, and subse-
quently its method of application to machines, by way of example, which perform
the said operations.
Fig. 1 is a plan view of the apparatus partly in section.
Fig. 2 is another plan view not in section, and omitting a portion of Fig. 1.
Fig. 3 is a face view of Fig. 2.
At a is a fixed bearing, which may be attached to the machine in any convenient
manner. This bearing is formed hollow, and through it there passes a shaft b, one
end of which is provided with a worm c, in gear with a wheel d, which is mounted
so as to be capable of turning on a centre e. Upon the other end of the shaft bis
mounted loosely a handle f, but it is capable of being made fast with the shaft b by.
means of a clamp g, and in the following manner:-The handle fextends from an
arm h, which is provided with two jaws i, i, which embrace the shaft b; and these
jaws are capable of being tightened on the shaft b by means of a handle k which
carries a screw 7, working in the said jaws i; from the cam h extends a boss m,
and upon an extension a* of the bearing a; there is a disc n, n*, mounted loosely,
but capable of being made fast with the said part a* by means of a thumbscrew o.
The said disc is formed with a circular slot p, within which is adapted a stop g,
capable of being fixed in any position around the circle by means of a set
screw r, and the face q* of this stop may therefore be made to represent any one
of the divisions marked on the periphery of the disc ", and shewn in Fig. 2;

page_text: these divisions are however only partially shewn, but they extend around the
entire circumference of the disc. The handle is provided with a groove 8,
within which is situate a trigger t, t*, capable of turning on a centre u; the
part being forced inward by a spring v, carried by the groove of the said handle,
and when so forced inward it takes into a notch w formed on the edge of the
disc n⭑.
The operation is as follows:-The attendant by tightening the clamp i, g, inakes
the handle f fast with the shaft b, and the stop q* is adjusted, so that when the
trigger t* arrives in contact therewith the said stop will be forced by the spring v
into the notch w, and thus the starting point which is constant is obtained.
Suppose now that an entire revolution of the handle fis desired the trigger t* is
removed from the notch w by pressing the part t against the force of the spring v,
and the said revolution is performed, the stop q" being turned upward on a centre
to admit of the said entire revolution, after which the trigger (* again passes into the
notch w, and so on for any required number of whole revolutions. Supposing now,
however, that (say three) and a portion only of a fourth turn are required, then the
calculation is made in the ordinary manner in order to ascertain what portion of a
revolution in addition to the three whole revolutions is required, and the stop q* is
set upon the disc nx by means of the graduations marked thereon, so that the
actual stopping part will bring the zero line q* to coincide with that graduation
which corresponds to the fraction of a circle beyond the whole revolutions through
which the handle is to move. This having been done the clamp k is tightened,
and the handle f is turned the required number of whole revolutions, the stop q
as before being turned out of the way upon its centre, but when these wholo
revolutions have been made the trigger tx is allowed to arrive in contact with the
stop g*, and then the shaft b will have been turned through a determined space.
When this has been done the clamp i is loosened, and the handle f is turned in the
reverse direction back to its notch w, and the same operations are repeated, the
said notch always being the starting point, and therefore in this apparatus there is
one notch only, the finishing point for parts of a circle being an adjustable stop.
In order to prevent any undue motion of the apparatus a binding screw as at x
may be adapted and tightened between each working of the handle f.
It has now been seen that the shaft may be turned for any number of revolutions
or portions thereof, and the screw c being of determined pitch may give equal
periodical movements to the wheel d, but for the present I will suppose that the
said wheel & is not used, and that the screw c is situate in a nut which is to be
traversed periodically through equal distances, and the application thereof to one
purpose of my Invention is shewn in two views at Figs. 4 and 5.
At 1 is the frame of an ordinary punching machine arranged to form two rows of
holes at the same time, by means of punches 2, 3, working in dies 4, 5.
At 6 is a table mounted in V guides like an ordinary planing machine, and which
table carries a nut 7, in which the screw c of Fig. 1 works; the apparatus described
in reference to Figs. 1, 2, 3, being denoted by similar letters of reference to those
above referred to so far as they are shewn. The boiler or other plate to be punched
is placed upon and secured to the table 6, the starting point for the punching
having been marked.
The distance apart of the holes having been determined, the apparatus shewn at
Figs. 1, 2, 3, is adjusted, as already described, so as to cause the screw c to traverse
the table 6 and plate thereon periodically through the required distances, between
which movements the punches 2, 3, are caused to descend and effect the required
punching.
In order to form the holes in the ends of the plate when it would be too wide for
the machine already described another table as at 8 may be placed on the outside,
having a similar traversing screw and dividing apparatus and separate punch 9.
In place of the punches 2, 3, drills may be adapted, arranged in any well-known
manner, the traversing apparatus being precisely the saine as that already
described

page_text: Fig. 6 shews my Invention applied to the drilling of bolster or other rails of
spinning machines, the rails being placed on a table. 10; traversed by the screw c
through the medium of the dividing apparatus.
Figs. 7, 8, shew my Invention applied to circular work, and in this case is
supposed to be the punching of holes in a circular flange 11; this flange is placed
upon and secured to a table 12, which is mounted on an axis 13, capable of being
turned on a pedestal 14.
The boss 15 of the table is provided with a worm wheel d' answering to that of
Fig. 1, and in gear with it is the worm or screw c.
At 16 is the punch; and at 17 is the, die situate beneath the circular flange 11.
Having arranged as before for the distances at which the holes are to be formed
apart, the handle on being turned at intervals gives motion to the table 12, and
carries the circular article forward for successive punchings or drillings, according to
the tool employed.
The pedestal 15 is mounted on a sliding part 24, which may be moved in one
direction or the other by a hand screw 25, according to the radius of the article to
bo operated on.
+
Figs. 9 and 10 represent an arrangement for engraving, marking, or preparing
for etching rules or other straight articles on which graduations have to be formed.
At 18 is a fixed table, on which the article 19 is fastened, and formed therewith
is another table, on which there is a rest 20 moving on V guides by means of the
screw c, and carrying a part 21 capable of sliding thereon, which part carries an
engraving, etching, or marking point 22, and a projecting handle 23, by means of
which the point 22 may be drawn back clear of the article 19. When that is done
the screw c on being turned as before moves the rest 20 and point 22 through the
desired space, and then the point 22 being drawn across the article by the handle.
23 effects the desired engraving, etching, or marking.
At 24 are stops for the sliding part 21.
In the above description I have referred to operations upon straight or circular
surfaces, but if the said operations are to be performed on irregular curves the pro-
gressive motions of the table may be regulated by causing it to be governed by a
template of the required form, and I would remark that in all cases a simple
marking may be effected by the use of suitable tools instead of punching, drilling,
or other such operation, and that the effect of my Invention is to produce, when
desired, counterparts on two or more surfaces.
Having thus described and ascertained the nature of my said Invention, and the
manner in which the same is to be performed, I desire it to be understood that I
claim as secured to me under the above in part recited Letters Patent, and for the
purposes above set forth, the use of the apparatus shewn particularly at Figs. 1, 2,
and 3, substantially as described.
In witness whereof, I, the said James Cuthbert Scott, have hereunto set my
hand and seal, this Thirteenth day of September, in the year of our Lord
One thousand eight hundred and seventy-eight.
TAMEN AL Scomm