Improvements in Twill Motions of Card Setting Machines.
Year: 1899

page_text: Improvements in Twill Motions of Card Setting Machines.
We, ABEL BLACKBURN and JOSEPH ROBERTS TETLOW, of the Firm of A. Black-
burn and Company, Toft's Mill, Cleckheaton, in the County of York, Card Setting
Machine Makers, do hereby declare the nature of this invention to be as follows:-
The object of our invention is to construct twill motions of card setting machines,
so that there is little or no vibration, and a steady and even working obtained,
also less wear and tear of the parts.
In our improved twill motion, we preferably fix upon the boss of the cam
wheel, a suitable catch lever, upon which is mounted a catch for operating the
catch wheel, also upon the reversing shaft we fix a short lever or finger, which
operates upon a spring stud. pushing same on to the tappet which is moved so
as to operate upon the catch lever so moving the catch wheel a tooth and forming
the twill, at each reversal of the setting mechanism.
11
JS V... 1900
JOHN E. WALSH,
Waterhouse Chambers. Crossley Street, Halifax,
Patent Agent for the Applicants.
Improvements in Twill Motions of Card Setting Machines.
We, ABEL BLACKBURN and JOSEPH ROBERTS TETLOW, of the Firm of A. Black-
burn and Company. Toft's Mill, Cleckheaton, in the County of York, Card Setting
Machine Makers, 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:-
The object of our invention is to construct twill motions of card setting
machines, so that there is little or no vibration, and a more steady, even and easy
working obtained, also less wear and tear of the parts.
DESCRIPTION OF DRAWINGS.
Fig. 1 is a plan view of the sliding carriage in card setting machines, with
our improvements applied.
Fig. 2 is an end view of our improved twill motion with trough or slide in
section.
Fig. 3 is a detail showing part of sliding stud and lever for operating same.
is a detail showing sliding stud upon the cam lever and tappet for
Fig.
operating same.

page_text: Fig. 6 is a sectional plan of shell and means for operating same.
Fig. 6 is a plan of shell and part of carriage carrying the setting mechanism.
In our improved twill motion, we preferably mount upon the boss of the cam
wheel A a suitable catch lever B, one arm of which carries a catch C engaging
with and operating the catch wheel D, this catch lever B is loose upon the hoss
of the cam wheel A, and the catch wheel D is fast upon same.
pon the other arm of the aforesaid catch lever is mounted a sliding spring
stud E having an arm or finger E projecting at right angles, this arm or linger
engages at regular intervals with a tappet or eam F upon the cam shaft G. A
short lever or finger upon the reversing shaft at each reversal of the setting
mechanism acts upon the spring stud E forcing out the arm E' on to the aforesaid
tappet on the tappet or cam shaft G. the opening in the flange allowing of
the passage of the arm E on to the tappet, the arm is so held by a flat
the finger until the flange (as the tappet revolves), engages with the said arm.
and prevents the same returning upon being released by the finger on the
reversing shaft when the said tappet F has made a revolution and the aforesaid
opening comes round, the arm is released and returned by a spring and
stud
on
As the aforesaid tappet F on the tappet shaft G revolves it strikes the arm El
of the catch lever B depressing same, causing the catch C to engage with the
catch wheel 1 and pull the same forward a tooth, it will be seen that in this
operation the catch moving on the same axis as the catch wheel D there is no
strain but an easy working with considerably less vibration and wear and tear:
I is a screw for adjusting the catch, and spring M is for returning the catch
lever after each operation. In moving the catch wheel a tooth the cam wheel A
is moved a suitable distance simultaneously, the face of which is acted upon by a
stud or finger N, attached to the shell P, and as such eam and mechanism for
operating same, is mounted upon the carriage K, this stud moves the said carriage
the required distance and forms the twill."
Although the means employed for operating the twill or cam wheel may be
employed in connection with the ordinary shell and slide, we preferably use a
shell P of cylindrical form. having doll head flanges S, a brass or other suitable
metal flanged and internally threaded bush is fixed in each end, one bush P being
secured by screws to the shell P. and the other hush 12 being loose within
such shell, but both engaging with the screwed shaft K for operating the
carriage R. guide pegs U fixed upon the flange S of the shell, and passing through
the corresponding flange of the screwed bush P. secures the same against rotary
motion. Encircling or carried by this shell is a further shell, ease, or cover T
forming part of the earringe R upon which is mounted the setting mechanism.
Springs VV two upon each side of the ease or cover. are attached to the
Bange of the shell at one end, and to the brass or other metal bush, and case or
cover at the other end.
The action is as follows: Upon the reversal of the setting mechanism, the
finger moves into the position shown at Fig. 2. forcing out the spring stud E
whose arm E passes on to the cam F. which, as it revolves strikes the arin E and
depresses the entch lever B, whose catch moves the catch wheel D a tooth.
this catch wheel 1 moves the cam wheel A simultaneously, and the stud N operat-
ing upon same forces out the cam wheel and carriage so forming the twill:
the stud N in accomplishing this task, has also to overcome the tension of the
springs, which are for returning the carriage to form a fresh twill, this return
takes place each time the drop in the face of the cam or twill wheel is presented
to the stud N.
The springs are employed for drawing the two bushes P", P together,
and taking up any slack in the threads of the said bushes or screwed" shaft,
consequent upon the wear and tear of same thereby keeping the carriage up to
the shell and preventing back lash or jerking of the carriage upon reversing
same.

page_text: The various tappets, cams, and lever, fingers. or arms, are so arranged and
set to come into operation at the proper time for effecting the several motions
before described.
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. In twill motions of card setting machines, mounting the catch lever D
upon the boss of the cam or twill wheel A, in the manner and for the purposes
set forth.
2. In twill motions of card setting machines, mounting upon the catch lever B
a sliding spring stud E, whose arm or projection E engages with and is operated
upon by the tappet F at each reversal of the setting mechanism, in the manner
and for the purposes set forth.
3. In twill motions of card setting machines, the use and employment of a
finger or lever on the reversing shaft J, for operating upon the sliding spring
stud E of the catch lever B, in the manner and for the purposes set forth.
4. In twill motions of card setting machines, the combination of catch lever B,
catch C. sliding spring stud E. tappet F, lever H, adjusting screw L, and
spring M, in the manner and for the purposes, substantially as shown and
described.
5. In twill motions of card setting machines, the combination of the catch
lever B. catch C, sliding spring stud E, tappet F, lever H, adjusting screw L. and
spring M, for operating the cam or twill wheel A, with a projection N upon the
shell P. operating on the carriage R, in the manner and for the purposes set
forth.
Dal
L
1000
JOHN E. WALSH,
Waterhouse Chambers, Crossley Street, Halifax,
Patent Agent for the Applicants.