An Improved Sawing Machine.
Year: 1896

page_text: Date of Application, 1st May, 1890
Complete Specification Left. 27th Jan.. 1997-Accepted. 13th Mar.. 1397
Date of Applica
181 May, 1090
Complete Specification Left. 27th Jan.. 1997-Accepted. 13th Mar.. 1397
An Improved Sawing Machine.
We, JOHN MARSHALL and ELISHA ABLE LEECH both of Mansfield, County of;
Richland, Ohio, U.S.A., Salesmen, do hereby declare the nature of this invention to-
be as follows:-
In the machine of this invention a circular saw is mounted on a frame pivotted to a
horizontal arm branching from a vertical post which may be moved up and down and
adjusted in a hollow standard. The saw is driven from a crank handle fixed on the
spindle of a chain wheel carried on the top of the vertical post and in connection through
a chain with a small chain wheel fixed on the pivot or an extension thereof of the
pivotted or swinging frame. The small chain wheel drives a larger chain wheel on.
the same axis and this latter wheel a small wheel on the saw spindle and consequently
the saw itself. To the pivotted frame is attached a handle by which said frame with the
saw may be turned on its pivot so as to raise or lower the saw. A spring con-
nection between the pivotted frame and the horizontal arm tends to raise the saw.
The machine is more especially designed for the use of butchers and may be fixed to.
a block or table.
Dated this 1st den 1804
THOMAS R. SHILLITO,
89 Chancery Lane, London, W.C., Agent for the Applicants.
We, JOHN MARSHALL and ELISHA ABLE LEECH, both of Mansfield, County of
Richmond, Ohio, U.S.A., Salesmen, 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 has more especially for object to provide a substitute for the ordinary
reciprocating saw used by butchers and others for sawing meat bones and the
invention consists in a circular saw which may be driven by hand or other power.
In the accompanying drawing Fig 1 is a side elevation of the machine held
against a chopping block and Fig. 2 a front elevation of the same detached from
the block.
a is a tubular standard having a foot by which it may be fixed to a floor and
adapted for attachment by means of screws c tu a chopping board d. The standard
has telescoped within it a tubular socket e held therein against rotation by a set screw
and within this socket is arranged an upright arm g which with its rigidly connected
arm h forms a crane. The arm g is provided with a toothed rack g' which is engaged
by a toothed segment lever i pivotted to the socket, whereby said crane may he
adjusted vertically at pleasure, the adjustment being fixed by a thumb screw j.applied.

page_text: to it and the socket. The crane has a laterally projecting stud k upon which is
mounted the sprocket wheel and the crank handle m for rotating such wheel. On the
outer front end of arm his hung a swinging yoke n having the operating handle n'. On
the pin o by which the yoke is hung or pivotted to arm h are fixed the two sprocket
wheels p and 9, the former receiving the sprocket chain r from the wheel and the
latter receiving a sprocket chains which passes about a sprocket wheel t on an arbor u
arranged in bearings in the end of the yoke n. This arbor has mounted upon it the
circular saw o rotary motion to which is imparted from the hand crank by the train of
sprocket gearing described or by other gearing.
to is a spring connected at one end to the yoke and at the other to the crane, and
and serving normally to raise the saw.
By the use of the swinging and vertically adjustable crane, it is obvious that the
saw may be arranged to cut as desired, and by the use of the swinging yoke it is
possible to put any desired pressure upon the saw and cause it to follow the cut into
the meat or bone.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is :-
1. The combination of a standard, a crane secured upon the same and having a
swinging motion thereon, a yoke pivotted on the free end of said crane, a circular saw
mounted in the lower end of said yoke, a spring applied to the said yoke and normally
elevating it and the saw, and gearing for rotating the said saw, substantially as
described and shewn.
2. The combination of a standard, a crane telescopically and axially adjustable
therein, a yoke pivotted to the free end of said crane, a circular saw mounted in the
lower end of said yoke, a spring applied to the said yoke and normally elevating it and
the saw, and gearing for imparting rotary motion to the saw, substantially as described
and shewn.
3. The combination of a standard, a crane secured upon the same and having a
swinging motion thereon, a yoke pivotted to the end of said crane, a circular saw
mounted in the lower end of said yoke, a means applied to the yoke normally to
elevate it and the saw, a motor medium and sprocket gearing interposed between
the said motor medium and saw for rotating the saw, substantially as described and
shewn.
Dated this 27th day of January 1897.
THOMAS R. SHILLITO,
89 Chancery Lane, London, W.C., Agent for the Applicants.