Improvements in Apparatus for guiding Textile and other Fabrics and Materials such as Paper, when Travelling in the Open State.
Year: 1898

page_text: Date of Application, 18th May, 1898
Complete Specification Left, 2nd Feb., 1899-Accepted, 22nd Apr., 1899
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for guiding Textile and other Fabrics
and Materials such as Paper, when Travelling in the Open State.
We, JONATHAN HINDLE CALVERT, Junior, of Oakenshaw Print Works, Clayton-le-
Moors, in the County of Lancaster, Calico Printer, and WILLIAM CHAPMAN, of the
same address, Foreman Engineer, do hereby declare the nature of this invention
to be as follows:-
Our invention relates to improvements in apparatus for guiding textile and other
fabrics and materials such as paper when travelling in the open state through a
machine or into or out of a machine.
The travelling piece is led over a rotary guide roller of suitable dimensions and
passes forward under or over say a pair of rollers journalled in bearings and carried
by a swivel frame or cradle mounted on a pivot at midwidth of the piece when
on its true line of travel.
According to our improvements we govern the movements of this swivel frame
or cradle and move the rollers which it carries by an apparatus actuated by the
piece when it approaches either end of the first named guide roller and so deviates
from its true line of travel, the effect of thus moving the swivel rollers being to
set them more or less diagonally to the true line of travel until the deviation has
been compensated and the piece guided back to its true path.
A convenient arrangement for effecting this result consists of a disc wheel or
pulley mounted adjustably on a spindle and placed near one edge of the piece as it
passes over the first named guide roller. The pulley spindle is geared to a wheel
having an eccentric pin connected to a rod with a long eye coupled to a pin on one
end of the swivel frame of the pair of guide rollers. The other end of the swivel
frame is in like manner connected to a disc wheel or pulley placed near the other
edge of the piece.
When the travelling piece as it passes over the first named guide rollers deviates from
its true path it comes under or against and turns by frictional contact one of the
two disc wheels or pulleys which by its connections adjusts the swivel frame
the rollers of which guide the piece back into its true path.
It will be readily understood that we do not limit ourselves to the details
of the mechanism described for governing the movement of the swivel frame
carrying guide rollers but have merely indicated what we consider to be a suitable
arrangement for the purpose.
1000

page_text: Improvements in Apparatus for Guiding Textile and other Fabrics
and Materials such as Paper, when Travelling in the Open State.
We, JONOTHAN HINDLE CALVERT, JR., of Oakenshaw Print Works, Clayton-le-
Moors, in the County of Lancaster, Calico Printer, and WILLIAM CHAPMAN, of the
same address, Foreman 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 :-
Our invention relates to improvements in apparatus for guiding textile and other
fabrics and materials such as paper when travelling in the open state through a
machine or into or out of a machine for printing paper & fabrics. The travelling
piece is led over a rotary guide roller of suitable dimensions and passes forward
under or over say a pair of rollers journalled in bearings and carried by a swivel
frame or cradle mounted on a pivot at midwidth of the piece when on its true line
of travel.
According to our improvements we govern the movements of this swivel frame or
cradle and move the rollers which it carries by an apparatus actuated by the piece
when it approaches either end of the first named guide roller and so deviates from
its true line of travel, the effect of thus moving the swivel rollers being to set
them more or less diagonally to the true line of travel until the deviation has been
compensated and the piece guided back to its true path.
A convenient arrangement for effecting this result consists of a disc wheel or
pulley mounted adjustably on a spindle and placed near one edge of the piece as it
passes over the first named guide roller. The pulley spindle is geared to a wheel
having an eccentric pin connected to a rod with a long eye coupled to a pin on end
of the swivel frame of the pair of guide rollers. The other end of the swivel frame
is in like manner connected to a disc wheel or pulley placed near the outer edge of
the piece.
When the travelling piece as it passes over the first named guide roller deviates
from its true path it comes under or against and turns by frictional contact one of the
two disc wheels or pulleys which by its connections adjusts the swivel frame the rollers
of which guide the piece back into its true path.
It will be readily understood that we do not limit ourselves to the details of the
mechanism described for governing the movement of the swivel frame carrying
guide rollers but have merely indicated what we consider to be a suitable arrange-
ment for the purpose.
In order that our invention may be properly understood and readily carried into
effect we have hereunto appended two explanatory sheets of drawings in the
several figures of which corresponding parts are marked with the same letters of
reference.
Fig. 1 is an end view of the apparatus.
Fig. 2 is a plan of same.
Fig. 3 is an enlarged side view of the ratchet wheel arrangement.
The apparatus is supported from the framing of the machine by means of brackets
bolted thereto and marked A and A. 1, corresponding brackets support the other
end of apparatus. The line in Fig. 1 marked underneath by an arrow represents
the blanket or other fabric which travels in the direction indicated, and when in its
true line of travel runs between the two small disc wheels or pulleys B and not in
contact with them, but when this blanket or fabric deviates from the true path it
comes under one or other of the disc wheels or pulleys B and as the blanket or
fabric by means of this frictional contact causes one or other of the small pulleys to

page_text: revolve the motion is conducted by means of the centres or spindles on which they
are fixed to a small pinion by means of a ratchet wheel and pawl G and gearing
into another wheel D having an eccentric pin and rod E and E 1 respectively. This
eccentric motion thus given to the rods or levers El is the means by which the
rollers F are moved on the central pivot which forms their support and as they are
thus deflected out of their parallel position in relation to guide rollers C the blanket
or fabric is brought back to the position from which it deviated, when this has been
effected the whole apparatus is at rest, except that the rollers C and F act as
carrying rollers for the blanket or fabric until it gets out of the straight course
again when the operation above described is repeated and this of course as often as
necessary.
The ratchet wheel and pawl arrangement indicated at G and on the enlarged
drawing Fig. 3 is to prevent the pin resting at a dead centre, this is effected by
casting or bolting a weight on the wheel D carrying the eccentric stud, the stud
being fixed to the weighted part, the wheel D gearing into the wheel G 1 with the
catch or ratchet wheel attached and are free to revolve on their respective centres
in one direction which allows the weighted part of wheel D to run to the bottom
and remain stationary, but when the disc or wheels B are caused to revolve by the
blanket or fabric the motion is conducted by means of the centre or spindle to the
boss or disc H with pawl or catch attached which catches into ratchet wheel G and
causes the wheels G 1 and D to revolve.
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 :-
Deflecting rollers worked by means of the blanket or any other fabric in
the form of cloth or paper for the purpose of keeping it in its true line or path in
the manner as herein before described and shown in accompanying drawings.
Dated this Twenty-fifth day of January 1899.
JONATHAN HINDLE CALVERT, JR.
WILLIAM CHAPMAN.