Improved Means for Preventing the Pattern-cards of Jacquard Machines from Unduly Wrapping their Cylinders.
Year: 1891

page_text: Date of Application, 13th Feb., 1891-Accepted, 14th Mar., 1891
COMPLETE SPECIFICATION.
Improved Means for Preventing the Pattern-cards of Jacquard
Machines from Unduly Wrapping their Cylinders.
We, JOHN BINNS, Manufacturer, and JAMES SNOWDEN, Manager, both of
Cowling, near Keighley, in the County of York, 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, that
is to say:
It consists of the application of means to Jacquard machines whereby the pattern
cards of these machines are prevented from unduly wrapping upon their cylinders,
so that all or any disadvantages or damage that might be caused by such an
occurrence are entirely avoided.
To attain this object we make use of the several parts and their arrangement as
are hereinafter described, and in order that said described might be more readily
understood we have hereunto appended sheets of drawings illustrative of our
invention, the same bearing figures and letters of reference that are used in said
description.
Figs. 1 and 2 are end and side elevations respectively of a portion of a Jacquard
machine shewing the application thereto of our invention.
Figs. 3 and 4 are similar views to Figs. 1 and 2 but are illustrative of only a few
of the parts shewn by said Figs. 1 and 2, these being on an enlarged scale so that
certain portions might be more clearly seen.
Similar letters and figures of reference indicate similar parts throughout the
several views.
We mount the roller & in proximity with, but preferably in the position in which
it is shewn beneath, the Jacquard's pattern cylinder a and the bearings c and d for
this roller b we mount to such of the cylinder's motor and bearing parts, as the
[frames e and f as are at all times moved with the cylinder a so that the roller b
may, move in such unison, as to be relatively at rest, (so far as regards its oscillatory
or reciprocatory movements) with said cylinder a.
Around the cylinder a and the roller & are made to pass the straps, cords, strings
or other flexible threads g, which may be one, two, three or more in number, in
such a manner that as the cylinder a is being rotated (intermittently) the strings g
will travel around same and around the roller b (to which latter they will impart
the cylinder's rotary motion) being constantly kept in their paths.of motion by these
parts, so that any holding or adhering of any of the cards to their cylinder a by
reason of the friction with their guide pins or acorns k or otherwise, by which the
said cards may be caused to tend to wrap the cylinder a, is entirely avoided,
since should such a tendency assert itself at any time, when the cylinder a is moved
sufficiently far for the card that is so adhering to be brought into contact with the
strings this card will be forced into following its proper path of motion by
reason of, and in the same manner as, its adjoining card which is guided by the said
strings g.
Instead of the roller being employed a stationary rod may be used, the cords g
being made to slip around same, or again this stationary rod may carry antifriction
bowls or pulleys for the cords g to pass around, but preferably we make use of the
roller as herein described.
In order to facilitate the mounting of the roller & in its bearings one of its axial
pins is made longer than the other pin by which means it may be inserted in the
opening in the bearing d through which it is passed sufficiently far that its pin ¹
may be brought opposite the opening in the bearing c, the spring m allowing this
lateral movement of the roller 6 for this purpose, while when said roller b is in its
.

page_text: proper position as shewn by Figs. 2 and 4 it (said spring m) answers as a holder or
stay to keep it in this position. A spiral spring n as shewn by Fig. 5 may be
employed instead of the flat kind of spring shewn in the other drawings.
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. The means herein described whereby the pattern cards of a Jacquard
machine are prevented from being wrapped around their pattern cylinder said
cards being guided or maintained in their proper path of motion substantially
as specified.
2. The combination of the roller b (or similar guide piece) and the strings or
cords g with the cylinder a, these said parts being mounted and arranged to operate
in unison substantially as and for the purposes specified.
Dated this Izun day of February 1891.
JOHN BINNS.
JAMES SNOWDEN.
Per Samuel Hey,
Agent.
JOHN BINNS.
JAMES SNOWDEN.
Per Samuel Hey,
Agent.