Improvements in Apparatus for Outting Piled Fabrios.
Year: 1891

page_text: Date of Application, 31st Aug., 1891
Complete Specification Left, 30th May, 1892-Accepted, 27th Aug., 1892
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Outting Piled Fabrios.
I THOMAS MANNOCK of Hyde Road Manchester in the County of Lancaster
Engineer do hereby declare the nature of this invention to be as follows :-
This invention relates to that class of machinery for cutting piled fabrics for
which Letters Patent No. 16996 dated 10th December 1887 were granted to James
Hoyle Smith, Andrew Goddard, Lloyd Higginbottom and. myself and especially
to improvements on such machinery for which John James Mann obtained Letters
Patent No. 16509 dated 19th October 1889; my object is to lighten the construction
of the sliding frame which imparts motion to the fabric under operation and to
improve the means for giving motion to the said frame.
In the first place instead of mounting the pulley rollers on the sliding frame above
named in tiers or pairs one above the other which necessitated the use of a strong
and deep frame to carry the said pulley rollers. I use a plain rectangular frame of
light flat steel (or other suitable material) set horizontally in suitable slots or
grooves and of sufficient length to carry two or more pairs of pulleys all mounted in
the same horizontal plane, the two central rollers being larger in diameter than the
rollers next to but outside them and so on (if more than two pairs of rollers are
used), the two pulley rollers of smallest diameter being placed one at each end of
the frame.
The tightening rollers and the fixed pulley rollers are so mounted on the main
frame of the machine that the cloth passes from the tightening roller at one end
to the nearest or outside pulley roller on the sliding frame or carriage thence round
qne of the rollers, mounted on the main frame and then round the next roller on the
sliding frame which being of larger diameter than the outer roller allows the cloth
to pass freely round without touching the loop previously formed by its passage
round the said outer roller; it is then brought back to a pulley roller on the main
frame and thence (when only two pairs of rollers are mounted on the sliding frame)
over rollers beneath the cutting table and across to the other end of the machine
where it is threaded round the pulley rollers to the second tightening roller in the
manner above described for the opposite end of the machine.
Thus the height. and weight of the sliding frame or carriage is considerably
reduced (the length thereof being only slightly increased) and the height of the
machine is also reduced.
i
Instead of using rope pulleys or drums (for imparting motion to the said -eliding
frame or carriage) mounted upon the same shaft revolving upon racks and moved
by connecting rods and cranks, described in the Specification of Letters. Patent
No. 16,509 above referred to, I. attach the connecting rods to a sliding frame at
each corner of which is a pulley or pulleys freely revolving on suitable axes, and
opposite to these pulloys I mount similar pulleys at each end of the frame of the
machine.
A rope chain or its equivalent is connected to each corner of the sliding frame or
carriage and passes from thence to the pulley on the main frame immediately
opposite to this corner of the carriage thence round its corresponding pulley on the
frame to which the connecting rods are attached, thence to a pulley.on the main
frame and back to a pulley on the last named moving-frame, whence it may he
carried to a fixture at one end of the machine or round other pulleys on the fixed
and moving frames to the said fixture.
A rope or chain is similarly attached to each corner of the sliding frame or
carriage which carries the pulley rollers above named to which a to and fro motion

page_text: is thus imparted without the use of racks and pinions, and by the above arrange-
ment of pulleys the traverse of this carriage greatly exceeds that of the frame
actuated by the connecting rods and cranks.
Another improvement is made by so arranging the machine that it is caused to
stop for "setting in" at a point when the arcs made by the connecting rods and
cranks are striking against each other and imparting the bighest relative velocity
to the carriage. Conversely when the cranks pass over the opposite centre, which
they do without stopping the arcs of the connecting rods and cranks are striking
together and the relative velocity of the sliding frame is considerably less, and the
strain of reversing the direction of motion of the sliding frame is reduced. In
addition to this as the cutter will stand according to this arrangement at the same
side of the machine as the driving belts the room occupied is much less than if the
cutter stood at the opposite side from the belts as in former machines. The plat-
form upon which the cutter stands projects about the same distance from the side
of the machine as the belt pulley for driving the same and therefore no space is
lost.
Dated this 29th day of August 1891.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Cutting Piled Fabrics.
I THOMAS MANNOCK of Hyde Road Manchester in the County of Lancaster
Engineer, 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 that class of machinery for cutting piled fabrics for
which Letters Patent No. 16996 dated 10th December 1887 were granted to
James Hoyle Smith Andrew Goddard, Lloyd Higginbottom and myself, and
especially to improvements on such machinery for which John James Marin
: obtained Letters Patent No. 16509, dated 19th October 1889; my object is to
lighten the construction of the sliding frame which imparts motion to the fabric
under operation and to improve the means for giving motion to the said frame.
"
My invention will be readily understood on reference to the annexed sheet of
drawings and the following explanation thereof.
Fig. 1 is a sectional elevation and Fig. 2, a plan view of so much of a machine
for cutting pile fabrics as is necessary to illustrate my invention.
In the first place instead of mounting the pulley rollers on the sliding frame
above-named in tiers or pairs one above the other which necessitated the uso of a
strong and deep frame to carry the said pulley rollers, I use a plain rectangular
frame a of light flat steel (or other suitable material) set horizontally. in suitable
slots or grooves or provided with guiding bowls a* as shewn on the drawings, and
of sufficient length to carry two or more pairs of pulley rollers bb' all mounted in
the same. horizontal plane, the two central rollers bibeing larger in diameter than
the rollers next to but outside them, and so on (if more than two pairs of rollers
"are used), the two pulley rollers of smallest diameter being placed one at each
end of the frame a.
;
The tightening rollers c and the fixed pulley rollers d d are so mounted in
the main frame.e of the machine that the cloth (marked t on. Fig. 1) passes from the
tightening roller. c at one end to the nearest or outside pulley roller on the
Ithe sliding frame or carriage a, thence round one of the rollers d mounted on
the main frame and then round the next roller bon the sliding frame 0, which
being of larger diameter than the outer roller b' 'allows the cloth to pass freely
round without touching the loop.previously. formed by its-]
-passage round the said

page_text: outer roller b¹; it is then brought back to a pulley roller d¹ on the main frame and
thence (when, as shewn on the drawings, only two pairs of rollers are mounted on
the sliding frame) over rollers & g beneath the cutting table and across to the
other end of the machine where it is threaded round the pulley rollersbb to the
second tightening roller c in the manner above described for the opposite end of
the machine.
Thus the height and weight of the sliding frame or carriage a is considerably
reduced (the length thereof being only slightly increased) and the height of the
machine is also, reduced.
Instead of using rope pulleys or druns (for imparting motion to the said sliding
frame or carriago a) mounted upon the same shaft revolving upon racks and moved
by connecting rods and crauks as described in the Specification of Letters Patent.
No. 16509 above referred to, I attach the connecting rods i to a sliding framerk
at each corner of which is a pulley or pulleys! freely revolving on suitable
axes and opposite to these pulleys 71 mount similar pulleys m m³ at each end
of the frame of the machine.
A chain n or its equivalent is connected to one corner of the sliding frame or
carriage a and passes from thence to the pulley m on the main frame e immediately
opposito to this corner of the carriage u, thence round its corresponding pulley
on the frame to which the connecting rods are attached, thence to a pulley
on the main frame and back to a pulley on the last named moving frame whence.
it may be carried, as shewn, to an adjustable fixturo at one end of the machine,
or round other pulleys on the fixed and moving frames e and respectively to the
Baid fixture 2. \
A chain n or its equivalent is similarly attached to each corner of the sliding
frame or carriage a, which carries the pulley rollers above-named, to which a
to and fro motion is thus imparted without the use of racks and pinions, and by the
above arrangement of pulleys the traverse of this carriage a greatly exceeds that
of the frame k actuated by the connecting rods i and cranks i.
'
By means also of the adjustable fixtures the frame a is sot and held perfectly
square with the machine, and it may therefore be made with plenty of play,' so
that the rollers a* do not come into use excepting in case of accidental breakage of
one of the chaius n. The friction of the sliding frame is thus reduced to a
minimum.
Another improvement is made by so arranging the machine that it is caused to
stop for "setting in" when the cranks are at a point (Fig. 1) nearest to the
centre of the machine and consequently when the arcs made by the connecting
rods and cranks are striking against each other (as shewn by the dotted arcs
and and imparting the highest relative velocity to the carriage. Conversely
when the cranks pass over the opposite centre, which they do without stopping,.
the arcs of the connecting rods and cranks are striking together as shewn by
the arcs and (Fig. 1) and the relative velocity of the sliding frame kis con-
siderably less, and the strain of reversing the direction of motion of the sliding
frame k is reduced.
In addition to this, as the cutter will stand according to that arrangement at the
same side of the machine as the driving belts, the room occupied is much less than
if the cutter stood at the opposite side from the belts as in former machines. The
platform p upon which the cutter stands projects about the same distance from the
side of machine as the belt pulley 7 for driving the same, and therefore no space.
is lost.
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. The general construction and combination of apparatus used for cutting pile
fabrics substantially as hereinbefore described and illustrated by the annexed.
drawings

page_text: r
2. The rectangular carriage a provided with pairs of rollers of differing
diameters mounted upon the same horizontal central line substantially as and for
the purposes herein before described.
3. In a machine for cutting piled fabrics the combination with a carriage and
pulley rollers, round which the cloth to be cut passes so as to give an increased
motion to the said cloth, of a chain or chains (n) or equivalent connection with a
aliding frame (*) and pulleys (1 m m¹) to increase the traverso of the carriage
the said frame being actuated by cranks and connecting rode (or their
equivalent) substantially as hereinbefore described and illustrated by the annexed
drawings.
4. Arranging the machine to stop for "setting in" at the point nearest to the
centre of the machine in order to lessen the strain of the reversal of the direction
of the carriage and sliding frame and to allow the cutter's platform to be placed at
the same side of the machine as the driving mechanism substantially as herein-
before described and illustrated by the annexed drawings.
Dated this 28th day of May 1892.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.