Wool and other Fibre to Carding and other Machinery.
Year: 1886

page_text: Wool and other Fibre to Carding and other Machinery.
<I ISAAC HOLDEN, M.P. of Oakworth House Keighley in the County of York
and a Member of the firm of Isaac Holden & Sons of Bradford in the same County:
Wool Combers 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 invention has for its object to provide an improved weighing mechanism
whereby wool or other fibre entering carding or other machines may be uniformly
weighed and discharged automatically.
The invention herein contained is intended.to be an improvement upon the
mechanism described in the specification of Letters Patent granted to William
Robert Lake dated the 10th day of March 1879 N° 944 on a communication from
abroad by William Calvert Bramwell.
In the mechanism described. in the said patent, the receptacle into which the
fibrous material falls to be weighed, is rigidly secured to the weighing beams and
thus moves in the arc of a circle, the centre of. which is the pivot of the said
weighing beams, the balance weight or weights being also rigidly fixed to the said
beam or beams at the end opposite that carrying the said receptacle.
The entire sides of the receptacle described in the said patent are made as
counter-balanced wings which are opened at regular .intervals by a system of cams
and levers, to permit the discharge of the fibrous material, the wings being closed
soon as the
by the action of counter-balance weights which become effective as
wool or other material is discharged.
Receptacles such as just referred to and fixed to the scale arms are objectionable
because much time is lost in discharging the material and closing the wings, and
the counter-balancing weights for the wings add considerable dead weight which
bas to be moved thus interfering with the sensitiveness of the weighing apparatus,
and further in the patent referred to the material was liable as deposited to fall to
4
+

page_text: one or the other side of the centre of the receptacle thus throwing its weight
nearer to or farther from the fulcrum of the lever to which the receptacle is fixed,
which causes the said lever to be turned by more or less weight and consequently,
the amount of material discharged was variable.
The gradual opening of. wings as described in the said patent-tends to collect
and condense the wool or fibrous material toward the middle of the receptacle so
that it is discharged as a long lump.
In accordance with my present invention the receptacle is pivoted to one end of
the weighing beams, while the counter-balancing weights are pivoted to the other
ends of the said beams, and the said receptacle and the said weights are connected
at their lower ends by means of a second connecting lever in order that the
movement of both the said receptacle and of the said weights shall be in parallel
lines, the movement of each being substantially vertical, such construction always
requiring that a certain definite quantity of material be dropped into the receptacle
before the latter will descend, the falling or tipping of the material in the receptacle
to one or the other side thereof not effecting the descent of the receptacle as in the
old plan.
'
Herein the apparatus having been set to have the receptacle descend by the
addition of a certain amount of material in weight, the said receptacle will descend.
only when it has received the proper quantity.
My-invention therefore consists essentially in two connected pivoted beams, a
receptacle pivoted thereon for the material to be weighed, and a counter-balancing
weight or weights also pivoted to the said beam, combined with a lever or rod
connected to the said receptacle and to the said weight as will be described,
whereby the receptacle and the counter-balancing weight or weights move in
parallel lines, such movement ensuring uniformity in each weighing as will bo
described.
My invention also consists in two connected pivoted beams, a receptacle pivoted
thereon having stationary sides and inclined doors located at its lower end,
combined with the arms, and the pin or projection to cause the said doors and
arms to move in unison.
My invention also consists in other details of construction which will bo
described in the claims at the end of this specification.
Fig. 1 in side elevation partially broken out represents a sufficient portion of a
weighing mechanism to enable my invention to be understood.
Fig. 2 is a section of Fig. 1 below the dotted line X X and
Fig. 3 a detail to be referred to.
:
The frame-work 1, of suitable shape to contain the working parts, the vibrating
comb 6, the pulley 36, the connecting rod 38, the slotted arm 39 and shaft 40, the
comb arms 41, the material lifting device 3 shown as an endless toothed apron, the
stripping device shown as an endless apron 7, the delivery apron 12, and means to
operate the said parts are all substantially as in the said specification of patent
N° 944 of 1879 referred to berein and hence no claim is herein made to any of the
Baid devices.
The scale beams A A arranged at each side the frame-work, and having usual
scale pivots a², which rest in V-shaped bearing plates a³, are securely fixed or
connected together by the connecting rods a' b' extended through holes. or
openings in the frame-work.
The bearing plates a³ are adjustably connected to the side of the frame-work by
means of bolts or studs a*.
The short arms of the beams A A are provided with V shaped, notches, see Fig. 1,
which receive V shaped pivots b' connected with one end of the receptacle B, into
which the fibrous material to be weighed and from which it is to be discharged
automatically, is deposited by the stripping apron 7. The rod a¹ passes through.
the space between the apron 3.
These beams A A at their opposite ends, have V shaped pivots c, over which are
booked or caught the V-shaped ends c of the weight supporting rods or links c²,

page_text: having attached weight boxes provided each with a lid c³. The weight box is
made of the desired weight by the addition of lead or other heavy material.
The rods cat each side the frame-work have pivoted to them at c¹a a lever c³,
which in turn is pivoted at et on the side plate a³, the opposite end of the lever c³
being jointed to the receptacle B at b³.
Both beams A, A, or one of them, has attached to it a screw d provided with a
milled head, see Fig. 1 upon which is placed the carriage d'; which supports the
weight d', the carriage being screw threaded to rest upon the thread of the screw.
The screw d rotates within its bearings supported by the beam, but is restrained
from longitudinal motion so that the rotation of the screw moves the carriage and
weight.
Movement of the screw to move the said weight from its normal position shown
by dotted lines Fig. 1, into its full line position, serves to counter-balance the
weight of the wool, or to determine the amount of fibrous material which will be
deposited in the receptacle before the doors thereof are opened as will be described,
to discharge the fibrous material.
The pivot at c is in the same vertical line as the pivot a³, and the distance
between the pivot a and the pivot 62 is the same as 'between the pivot and the
pivot b³, and the distance from the bearing a to the bearings c is just equal to the
distance between the pivot and the joint c¹ uniting the lever c³ to the bottom
of the weight box c³, and being of the same length the receptacle B and the rods c'
of the counter-balancing weights are caused to move in substantially vertical paths
or lines, the receptacles and rods always maintaining the same relation to each
other and remain parallel during the entire movement of the beams.
The receptacle B having outwardly inclined stationary sides is closed at its
bottom by two doors e, e shown by dotted lines, which are joined to rock
shafts e, the said rock shafts having connected to them the arms e², which arms
located at the end and outside of the receptacle, are shown as slotted for the
reception of a holding pin or projection es, which is fixed with relation to one of
the arms e², and extends loosely through a slot at the free end of the other arm,
the said pin ensuring the movement in unison of the doors and arms.
The pin is extended sufficiently far through the slot of one of the said arms to
be caught by the catch lever f, it being herein shown as an angular lever pivoted
at f and having a hook to engage the pin e³ and hold the doors shut and. retain
the fibrous material in the receptacle.
One of the rock shafts e¹ has an arm e*, through pressure upon which the doors
are closed.
Mounted upon the side of the frame is a lever g pivoted at g¹, and acted upon
by a cam g on a rotating shaft g³, herein shown as driven by a chain g' extended
over a chain wheel shaft g* secured to one end of the roller ge, see dotted lines,
about which is extended the apron 12, which latter receives upon it the fibre from
the receptacle and delivers it to the machine which is to operate upon it.
The cam g² has a depression g³, and a projection g³, and in its rotation whenever
the roller go of the lever g enters the recess g³ the upper end of the lever g is
thrown quickly in the direction of the arrow thereon Fig. 1, causing the little
finger at the upper end of the said lever to operate upon an arm e10 of the elbow-
like catch-lever f, to so move it as to release the arms e*, and permit the doors e, e
to fall instantly by their own gravity.
In the further rotation of the shaft g³ the tappet g' strikes against the roller g¹º,
operating the lever g in the reverse direction far enough to cause it to strike the
lever to reset or close the doors e, e, and consequently the bottom of the
receptacle.
The receptacle herein shewn is made larger at its lower, than its upper end, and
the walls thereof are inclined in such direction as to leave the bottom or lower end
of the receptacle free, the effect of such construction being to permit the wool to
descend quickly, on to the bottom plate e, e, which latter when operated or released
opens quickly into the position represented in Fig. 1.

page_text: In the mechanism herein described the pivoted receptacle B has a substantially
vertical motion, and descends only when it has secured in it the predetermined
amount of inaterial.
It will be seen that the discharge from the receptacle of the material is instan-
taneous, and to further facilitate this the stationery sides of the receptacle are
fixed at an angle so as to make the receptacle wider at the bottom than any-
where else.
The action of the material in sliding so quickly out of the receptacle having
stationary sides is of very great importance as it wipes all parts in its descent and
keeps the interior clean, which the old arrangement owing to its curved sides and
mode of opening could not do, and the accumulation of grease &c upon the sides
and ends of the receptacle has caused serious variations in the weighing. It is also
clear that no time is lost on account of the discharge, for the receptacle is re-set
immediately after it has deposited its contents.
The cam g' may be driven from any regularly moving parts of the machine to
which my improvement is applied; and the wool etc may be deposited upon a
feed table in the usual way, or into anything placed beneath the receptacle to
receive it.
The rods c², their hooked ends c¹, and the weight boxes constitute what I have
designated as the counter-balancing weights, they counter-balancing the weight of
the receptacle B.
I wish it to be understood that I do not desire to limit my invention to the
exact form of counter-balancing weights or to the exact form of beams A or
receptacle, for instead thereof I may employ any other usual or well known
equivalents without departing from my invention.
The pin in the slotted arms e² e act to make the doors move in unison..
This invention being an improvement on the invention described in the specifi-
cation of the said patent and having like toothed apron or cylinder and stripping
arrangement for same I have considered it unnecessary to show all the devices
actually employed to rotate or to stop the rotation of said devices in the filling of
receptacle B as they are all fully described in said patent. In practice receptacle B
having received its maximum supply is thereby caused to descend which movement
causes the delivery portion of the machine to stop. At regular intervals the
receptacle is opened and discharged then it raises again setting in motion the
delivery mechanism and repeating the operation described. The stopping and
starting of the delivery is caused by a toothed clutch operated by the weighing
mechanism as fully described in the patent referred to.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is
1. The pivoted beams A, A, connected together to operate in unison, a receptacle
pivoted thereon for the material to be weighed and having pivoted doors at its
lower side through which to discharge the material and the counter-balancing
weight or weights also pivoted to the said beam or beams, combined with a lever
to connect the said receptacle and the said weight or weights, whereby the move-
ment of the receptacle and weight or weights- are in lines- parallel each to the
other and substantially vertical, for the purpose described.
2. The pivoted beams, the receptacle pivoted thereon, and having pivoted
doors e, e closing the bottom of the receptacle, combined with the. arms, and the
pin or projection to cause the said doors and arms to move in unison substantially
as described.
•
3. The pivoted beams, the receptacle pivoted thereon and having pivoted doors
to close the bottom of the said receptacle, the arms e³, e³, and arm e and holding
pin or projection, combined with the catch lever, and with means substantially as
described to operate the said catch lever and to engage the arm and close the'
said doors, substantially as set forth.-
,

page_text: 4. The pivoted beams A, A, connected together to operate in unison, the screw d,
its attached threaded carriage and weight, the receptacle pivoted on the said beams
for the material to be weighed and having pivoted doors at its lower side and the
counter-balancing weight or weights also pivoted to the said beam or beams,
combined with a lever to connect the said receptacle and the said weight or
weights whereby the movement of the receptacle and weight or weights are in
lines parallel each to the other, and substantially vertical, for the purpose
described.
5. The arrangement or combination of parts of apparatus for weighing and
supplying wool and other fibre to carding and other machinery as set forth and
shewn by the drawings.