Improvements in Preparing Machinery for Fibrous Materials.
Year: 1894

page_text: Date o Application, 11th July, 1894
Complete Specification Left, 2nd Apr., 1895-Accepted, 18th May, 1895
PROVISIONAL SPECIFICATION.
Improvements in Preparing Machinery for Fibrous Materials.
I, SAMUEL THOMPSON, of 58 Arkwright Street, Bolton, in the County of
Lancaster, Mill Manager, do hereby declare the nature of this invention to be as
follows:-
°
My invention relates to the building motion of slubbing, intermediate and roving
frames, and one object of my invention is to avoid the use of change ratchet wheels
for the building motion of such machines and another is to obtain a finer adjustment
of the lift.
In applying my invention to slubbing, intermediate and roving frames I dispense
with the ordinary changeable ratchet wheel of the escape motion, and in its place
I employ a pair of special ratchet wheels, mounted loosely upon a shaft geared to
the upright shaft, which carries the pinion in gear with the rack connected to the
strap fork of the cone strap; or the ratchet wheels might be mounted loosely
upon the upright shaft.
The pair of ratchet wheels which are of equal diameter have ratchet teeth cut
round their periphery and inside each wheel is an annular ring of bevel teeth;
lying between and gearing into both of the internal wheels is a bevel pinion carried
in a bracket secured to the shaft geared to the upright shaft. A curved slot
concentric with the ratchet teeth and fitted with an adjustable stop piece is cut in
the rim of one ratchet wheel, and a pin fitted in the other wheel projects into this
slot. The teeth alongside the slot are preferably stamped and numbered to enable
the stop piece to be readily set and in order to adapt the ratchet wheels both for right
and left hand frames I can cut a slot in each wheel and fit the pin into either wheel
as required.
When the ratchet wheels are actuated by a suitably shaped pair of catch levers
their movement is transmitted by the pinion placed between the ratchet wheels to
the upright shaft and so to the rack and strap fork which moves the strap on
the cones.
The length of traverse of the pin in the slot is regulated by setting the stop
piece and by this adjustment I am enabled to regulate very accurately the extent
of the lift and make the necessary changes of speed of the rack without the use
of spare or extra ratchet wheels.
Although I have described the pair of ratchet wheels provided with internal
bevel teeth driving a bevel pinion on a bracket I might employ spur or other
suitable gearing.
Dated this 10th day of July 1894.
H. B. BARLOW & GILLETT,
Agents for Applicant.

page_text: 1
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COMPLETE SPECIFICATION.
Improvements in Preparing Machinery for Fibrous Materials.
I, SAMUEL THOMPSON, of 58 Arkwright Street, Bolton, in the County of
Lancaster, Mill Manager, 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:-
My invention relates to the building motion of slubbing, intermediate and roving
frames, and one object of my invention is to avoid the use of change ratchet
wheels for the building motion of such machines and another is to obtain a finer
adjustment of the lift.
To effect this object I dispense with the ordinary changeable ratchet wheel of
the escape motion, and in its place I employ a pair of special ratchet wheels,
mounted loosely upon a shaft geared to the upright shaft, which carries the pinion -
in gear with the rack connected to the strap fork of the cone strap.
And in order that my invention may be fully understood and readily carried
into effect I will describe the accompanying two sheets of drawings reference being
had to the figures and letters marked thereon.
Fig. 1 is a side elevation of part of the building mechanism of a slubbing,
intermediate or roving frame to which my improvements are applied. Fig. 2 is a
plan of part of Fig. 1, and Figs. 3, 4 and 5 are three detached views, on a larger
scale, of my improved ratchet escape mechanisın.
In Fig. 1a a are the pair of driving cones, the driving strap by which the
lower cone is driven from the upper one, c the rack known as the cone strap rack,
into the teeth of which gears a pinion d mounted upon an upright shaft e, to which is
connected a chain f for supporting a weight which, whenever the shaft is free,
turns it and by the pinion d moves the rack c in the direction of the arrow Fig. 1;
these parts may be all of the usual construction and form in themselves no part of
my present invention.
In Fig. 2 most of the parts above referred to are omitted and those parts shown
which embody my invention.
In place of the usual single change ratchet wheel, not shown, which is ordinarily
secured to a short shaft geared by bevel gears ij with the ordinary upright
shafte of the building motion by which the lift of the bobbins is varied 1 employ
a pair of special ratchet wheels g g' mounted loosely upon the short shaft h. The
construction of the ratchet wheels 9 g is clearly shown in Figs. 3, 4 and 5 from
which it will be seen that the wheels have ratchet teeth cut around their peripheries
and also on the inside face of each wheel is formed a ring of bevel teeth into
which gears a bevel pinion / carried by a stud m¹ on a boss m secured to the shaft h
as shown in Fig. 3.
In the ratchet wheel g and concentric therewith is cut a curved slot n into which
is fitted a stop piece o secured adjustably in the slot n by a bolt o', and in the
other ratchet wheel g¹ is secured a pin p which projects into the slot n; the teeth
alongside this slot are preferably stamped and numbered to enable the stop piece
to be readily moved the required distance and when set to be clamped by the
bolt o¹
In Figs. 1 and 2 are shown the usual catch levers q q' connected by a spring
and pivoted to the stationary frames of the building motion.
0
In the ordinary arrangement these catch levers act alternately one at each side
on the teeth of a changeable ratchet escape wheel; but in my improved arrange-
ment the lever q engages with the teeth in the ratchet wheel while the other
lever is ready when the catch lever is pushed out by the ordinary striker t to
be pulled by the spring into gear with the other ratchet wheel g¹.
T
The catch lever q' is shown in gear with the ratchet wheel g¹ at the same time

page_text: that the pin p which is secured to the wheel g' is resting against the end of the
slot n, see Fig. 5, and immediately the change of motion takes place the striker t
is brought sharply against the catch lever q which is thereby knocked out of the
ratchet wheel g¹ allowing the weight to turn the shaft and by the pinion d
drive the rack c in the direction of the arrow, Fig. 1, and so shift the belt b on the
cones a as far as the movement of the rotchet wheel g¹ will permit and this is
The
regulated entirely by the position of the adjustable stop piece o in the slot n.
moment the catch lever q' is pushed out of gear with the wheel g¹ the catch
lever g drawn by the spring comes into gear with and holds stationary the
wbeel g until the striker moves again and knocks the catch lever g out of gear
with the wheel y when the same action takes place.
When the first change takes place, as described above, the wheel g' moves the
distance between the end of the slot n and the stop piece o, the two positions being
shown in dotted and full lines, Fig. 5; when the next change occurs and the wheel g
is held fast by the catch lever q' the wheel g being free moves until the slot n is
arrested by the pin p and so at every movement of the catch levers q¹ one of the
ratchet wheels g g' will be moved a distance equal to that between the end of the
slot n and the stop piece o.
g
By regulating or adjusting the position of the stop piece o, I am enabled to
regulate very accurately the extent of each movement of the rack c and strap b
and thereby adapt the machine to wind various sizes of rovings, without the
necessity for spare or extra change ratchet wheels as now customary.
If it be desired to use the improved ratchet wheels for either right or left hand
machines or frames at will, I propose to cut a slot like n in each wheel and secure
the pin p in either wheel as required.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
In slubbing, intermediate and roving frames-
1. In combination, a pair of ratchet wheels actuated by a pair of ordinary spring
catch or escapement levers and mounted on a shaft geared to the upright shaft of
the building motion, a pinion mounted on a stud fixed on the shaft between the two
ratchet wheels and gearing said wheels together by side teeth thereon, one of said
ratchet wheels having a curved slot to receive a pin fixed on the other ratchet
wheel and a movable stop piece fixed in said slot all substantially as and for the
purposes herein set forth.
2. The general construction, combination and arrangement of parts embodying
my improvements in the building motion of slubbing, intermediate and roving
frames substantially as and for the purposes herein described with reference to the
accompanying drawings.
Dated this 1st day of April 1895.
H. B. BARLOW & GILLETT,.
17, St. Ann's Square, Manchester, Agents for Applicant.