An Improved Apparatus or Appliance for use in Actuating Friction Clutches, Pullies, and other similar contrivances.
Year: 1892

page_text: Date of Application, 6th Aug., 1892
Complete Specification Left, 6th May, 1893-Accepted, 24th June,
1893
PROVISIONAL SPECIFICATION.
An Improved Apparatus or Appliance for use in Actuating Friction
Clutches, Pullies, and other similar contrivances.
We, WILLIAM GEORGE COWLISHAW, Engineer, and CHARLES EDWARD
WALKER Engineer, both of Railway Works, Etruria, Stoke-on-Trent, Stafford-
shire, do hereby declare the nature of this invention to be as follows:-
This our invention has reference to an improved apparatus or appliance for
use in actuating, or disengaging and re-engaging friction clutches and other parts
of machinery, and the object of our invention is the construction of efficient
apparatus for that purpose.
In carrying our said invention into practice, on the shaft on which one part
of the friction clutch, or the pulley or pinion is mounted and adjacent thereto,
we fix or key by any suitable means two suitably shaped metallic discs or collars,
and between those discs on the same shaft we slackly mount a similar metallic
disc which rests on the shaft, and is kept from revolving thereon by means of
one or more metallic arms, one end of each arm passing through an angular slot
formed through each segmental portion of an outer casing which is cast on a
or arms is or are
dividable band or collar, (hereinafter described,) which arm
fastened or fixed into the central loose disc on the shaft; if preferred one arm
only may be used the outer end of each arm being connected to a wall, ceiling,
floor or other suitable place by means of a rigid bar or rod made of suitable
material or materials.
To and around the neck or other suitable part of the sliding portion of a friction
clutch, pulley or toothed wheel which is mounted on the shaft adjacent to the fast
or fixed metallic discs, we fasten or fix the halves or two parts of a suitably shaped
metallic band or collar, so that a segmental or curved portion of same which is
cast on each part of the said divided collar will partially surround and enclose
the fast and loose discs, hereinbefore mentioned. To the said divided collar or
other suitable part of the segmental casing we attach or fix the end or ends of
one or two suitably shaped metallic arms for use in actuating the said sleeve,
by partially revolving the said sleeve and the sliding part of the clutch to which
it is attached, the arms fixed in the loose central disc cause the segmental sleeve
to push the sliding part of the clutch to which it is attached into gear with the
fixed part of the clutch, a cord, chain or the like may be attached to each arm
for actuating the said appliance.
Dated this 5th dor of A vout 1000
JOHN NEWTON,
Longport, Staffs., Agent for Applicants.
COMPLETE SPECIFICATION.
An Improved Apparatus or Appliance for use in Actuating Friction
Clutches, Pullies, and other similar contrivances.
We, WILLIAM GEORGE COWLISHAW Engineer, and CHARLES EDWARD
WALKER Engineer both of Railway Works, Etruria, Stoke-on-Trent, Stafford-
shire, 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 our invention relates to an improved apparatus or appliance especially

page_text: intended for use in throwing into and out of gear friction clutches, pullies, wheels
and similar contrivances, the object of our said invention being to construct efficient
apparatus of any suitable size for that purpose.
To carry our said invention into practice, on the shaft on which one part of a
friction-clutch or a pulley is mounted, and adjacent thereto we fix or key by any
suitable means two suitably shaped metallic discs or collars, between those fixed
discs on the same shaft we loosely mount a similar metallic disc which rests or
bears on the said shaft, and is kept from revolving thereon by means of metallic
arms of suitable shape and size opposite each other, one end of each arm passing
through an angular or helical slot formed in an outer casing cast on a dividable
metallic band or collar, the inner ends of which arms are screwed, fastened or fixed
in any suitable manner into the loose disc on the shaft, the outer end of each arm
being connected to a wall, ceiling, floor or other suitable place by means of a rigid
bar or rod of any suitable materials, shape and size. If preferred one arm only
may be used for preventing such loosely mounted disc from revolving on the said
shaft instead of two arms.
To and around the neck or other suitable part of the sliding portion of a
friction-clutch, pulley or toothed wheel which is mounted on a shaft adjacent to the
said fast or fixed metallic discs, we fasten or fix by any suitable means the halves
or two parts of a suitably shaped metallic band or collar, so that a segmental or
curved portion of same which is cast on or attached to each part of the said divided
collar will partially surround and enclose the fast and loose discs hereinbefore
mentioned. To the said divided collar, or other suitable part of the segmental
casing we attach or fix by any suitable means the inner end of a suitably shaped
metallic arm for use in actuating the aforesaid angular or helical slotted sleeve, or
we attach or fix the inner ends of two suitably shaped metallic arms to opposite
sides of the said divided collar, or other suitable part of the said segmental casing.
By partially revolving the said sleeve and the sliding part of the clutch to which it
is attached, the arms fixed in the loose disc cause the segmental sleeve to push the
sliding part of the clutch into gear with the fixed part of the clutch when the said
appliance is actuated. A cord, chain or the like may be attached to the outer end
of each arm for use in actuating the said appliance.
In order that our said invention may be more readily understood and explained
in detail we have hereunto annexed a sheet of drawings on which letters of
reference are marked on corresponding parts on all the figures alike.
DESCRIPTION OF DRAWINGS.
Figure 1 is a front end elevation of an appliance made according to our invention,
shewn out of gear.
Figure 2 is a side elevation of Figure 1, shewn in mid-gear.
C,
In these figures a represents a part of a clutch loosely mounted on shaft k, on
the back part of a is cast or formed a suitably shaped recess, which part a is
capable of being slid along such shaft so that it may be thrown in and out of gear
with some other clutch (not shewn on the drawing), a collar made in halves or two
parts b, is made to fit into the recess formed in a so as to ensure facility in
turning round, such collar is prolonged so as to overhang or cover the loose collar
and has an angular or helical shaped slot of suitable width and length cut or
formed through same, the pitch of which slot is just sufficient to give the requisite
amount of travel to the clutch along the said shaft, the collar c being mounted
loosely on shaft k, but prevented from moving laterally by two collars d, done on
each side of the said collar c, the collars d, d being firmly fixed to the shaft k by
any suitable means, e, are fixed metallic arms having gun-metal or other suitable
rollers or collars loosely fitted on their inner ends which work in the helical slot
formed in the sleeve of collar b, the inner end of each arm e, e being screwed or
otherwise fixed in collar c, their outer ends being firmly fixed to any suitable beam
or bracket by depending bolts or rods g, g', the inner ends of movable metallic

page_text: arms f,fare screwed into or otherwise fixed to collar bon opposite sides, their
outer ends having chains, ropes or levers m, m² attached thereto.
By pulling the cord m downwards the collar is caused to partially turn on the
clutch a, the fixed arm e which passes through the helical slot in collar sleeve b,
causes the said collar band clutch a to move or slide along the shaft the required
distance to throw the clutch into gear.
The arms ff may be fixed, and the arms e, e³ loose according to the
conditions of fixing. Such appliances may be made with one arın e, and one
arm fif desired.
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 ;-
0
1st. The construction of metallic apparatus or appliances of any suitable size for
use in throwing into and out of gear friction-clutches, pullies, wheels and the like,
combining the several parts indicated by reference letters, in the arrangement of
which parts the arms f, f' are loose, and the arms e, e fixed, the said appliances
being actuated in the manner as herein substantially described and set forth, and
illustrated on the drawings hereunto annexed.
2nd. The construction of metallic apparatus or appliances of any suitable size
for use in throwing into and out of gear friction-clutches, pullies, wheels and the
like combining the several parts indicated by reference letters, in the arrange-
ment of which parts the arms f, f are fixed, and the arms e, e* loose which are
actuated in the manner as herein substantially described and set forth.
3rd. The construction of metallic apparatus or appliances of any suitable size
for use in throwing into and out of gear friction-clutches, pullies, wheels and the
like constructed as herein described, but having only one arm e, and one arm f,
either of which arms may be fixed and the other arm loose, the said appliances
being actuated in the manner as herein substantially described and set forth.
1000
JOHN NEWTON,
Longport, Staffs., Agent for Applicants.