Improvements in Circular Hosiery Knitting Machines.
Year: 1889

page_text: Date of Application, 5th Nov., 1889
Complete Specification Left, 28th Feb., 1890-Accepted, 5th Apr., 1890
PROVISIONAL SPECIFICATION.
Improvements in Circular Hosiery Knitting Machines.
1 JAMES BETTNEY of 66 Robinhood Street Nottingham Machinist, do hereby
declare the nature of my said invention to be as follows:--
The object of my invention is to fit circular hosiery knitting machines with a
splicing apparatus whereby the thickening of the material may be effected at will.
The invention consists of a bracket with two bearings or sockets, in which a vertical
reciprocating bolt is fitting to slide up and down. The bolt is fitted with a spring
which has a tendency to raise it. The carrier is pivotted to the upper end of the
bracket, and also to the bolt, in such a manner that the bolt is capable of actuating
the carrier as required. The lower end of the bolt is fitted with a horizontal pin and
roller to reduce friction.
The bolt and also the carrier are made to rise and fall, by means of a cam acting
upon the roller, at the will of the operator. When splicing is required, the cam is
caused to pull down the roller at the lower end of the bolt, by which means the bolt
and carrier are simultaneously, lowered, and the splicing proceeds until the bolt is
released from the cam.
When this takes place a small pair of shears, cuts off the thread. These shears are
fixed over the loop wheel, the shears being made to open and close by a lever working
upon the cam.
When only plain work is being performed, the cam is caused to stand still, and the
splicing is suspended; and, when splicing is again required, the catch is thrown
forward, which fastens the cam to the head of the machine and puts into gear the
splicing tackle.
When the splicing thread is thrown out of work it is necessary to clip off the yarn,
which is immediately done by the shears. When the splicing thread has been clipped
off, it is necessary to hold the end fast, which is done by a small lever attached to the
shears.
eer
59.
GEO. DOWNING,
8, Quality Court, London, W.C., Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in Circular Hosiery Knitting Machines.
1, JAMES BETTNEY of 66 Robinhood Street Nottingham, Machinist, do hereby
declare the nature of my said 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 my invention is to fit circular hosiery knitting machines with a
splicing apparatus, whereby the thickening of the material may be effected at will.
And in order that my said invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawings, in which similar letters of
reference indicate corresponding parts.
Fig. 1 is a plan of a portion of a circular knitting machine, fitted with my
improvements, and Figures 2 to 9 are detail views of the mechanism.
-
Referring to Figures 1 to 4, a is a bracket, bolted to the bed plate b. a' and oª
are fixed sockets in the bracket, which act as guides to the vertical reciprocating
bolt c. is an adjustable collar fitted to the bolt c for the purpose of receiving the
upward pressure of the spring. The lower end of the bolt is fitted with a roller or
truck e, working on a più c'." is the carrier for conveying the additional thread for
1;

page_text: thickening pivoted to the upper end of the boli e at fl. is an adjustable plate
fitted with a horizontal pin af is a thin plate fitting a slot formed in the carrier,
which forms a sliding bearing for the pin a. The bracket and bolt is shewn in plan
in Figure 1, and in elevation in Figure 2. Figure 3 is a separate view of the
Carrier f. and Figure 4 is a plan of the same. The carrier is threaded as shewn in
Figure 2.
Referring to Figures 1, 5 and 6, 7 is the cylinder which carries the needles g¹.
his the cam plate and is the lower cam extending round a portion of the periphery
of the cam plate. is a catch pivoted at ♬ to a lug formed in one with the cam
plate is a notch in the rim of the cylinder for receiving the catch 7. When the
catch is out of the notch, as shewn in Figure 1, the cylinder rotates independently
of the cam plate 4, the latter being stationary, but, when the catch is pressed
forward into the notch as shewn in elevation in Figure 6. the cylinder drives the
cam plate h, whereby my improvements come into action. is a spring, so formed
as to retain the catch in either position, locked or unlocked.
The action of the bolt and carrier f is as follows: When the cam plate is carried
round by the cylinder, the cam rim draws down the truck c, har 6, and carrier f.
When the cam rim has passed the truck e. the bolt e and carrier fare immediately
raised by the spring a
When the carrier f is lowereil by the cam, splicing takes place and, when the truck e
is released from the cam, the carrier frises, and the splicing ceases. The thread is
then cut off by the shears, but the end of the thread is secured and held fast by a
small lever attached to the shears. This is effected in the following manner.
Referring to Figures 1, 5, 7, 8, and 9 m is a curved lever pivoted at m to the
bracket bolted to the bed plate b. The lower end of the lever carries a roller or
truck, attached to the lever by the boit m², passing through a slot in the lever. The
truck is kept down upon the cam plate by the spring me, one end of which is
attached to the pin and the other end to the pin fixed to the stem of the presser
wheels. The lever is caused to oscillate upon its centre m', by the normal and raised
surfaces of the can. The upper end of the lever takes the end of the movable
shear blade and operates the same, to cut the thread at the proper time.
Figure 7 is a diagram taken at right angles to the circle of the looper wheel p, and
Figure 8 is an elevation at right angles to Figure 7.
is the shear blade pivoted at is a small lever, pressed downwards by the
spring attached to the bolt . The bolt is also fitted with a spring which
serves to keep the shear blade down in its place.
is the curved cloth presser, p is the looper wheel and is the sinker wheel is the
guide for the ordinary thread. The end of the guide is formed as shewn in Figures 7
and S, having a hook and a stud #. The hook allows the additional thread to fall
into and be raised out of the guide, and the stud prevents the ordinary thread being
carried upwards therewith.
The looper wheel has one of its wings formed as shown at pin Fig. 9. When
the carrier is raised the additional thread is also raised above and clear of the looper
wheel and the wing and when the carrier f is lowered the wing seizes the
additional thread, and carries it to the needles with the ordinary thread, the lever m
at the same time withdraws the shear blade from contact with the lever ². This
lever is at the same time lifted by a small plate » attached to, having an inclined
surface for raising the lever ². By these means the additional thread is seized:
added to the fabric: cut off: secured, and held ready for the next operation of
thickening.
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:
1. The combination, with circular hosiery knitting machines, of the cam plate h
fitted with means for causing the same to retale with the cylinder or to remain
stationary while the latter rotates, the cam plate having raised surfaces h² for

page_text: operating the lever m and bolt c. substantially as hereinbefore described and
illustrated by the drawings.
2. The combination, with circular hosiery knitting machines fitted with cam plates
as aforesaid, of the vertical reciprocating bolt c, and the carrier f, for conveying the
additional thread for splicing and thickening, severally operating substantially as
hereinbefore described and illustrated by the drawings.
3. The combination, with circular hosiery knitting machines fitted as last aforesaid,
of the lever m actuating the shear blade and the lever, severally operating sub-
stantially as herein before described and illustrated by the drawings.
4. The combination, with circular knitting machines fittedas aforesaid, of the special
form of guide having a hook and a stud 2, severally operating substantially as
herein before described and illustrated by the drawings.
5. The combination, with circular knitting machines fitted as aforesaid, of the
special form of wing on the looper wheel for seizing the additional thread and
carrying it to the needles with the ordinary thread, substantially as hereinbefore
described and illustrated by the drawings.
6. The general construction, arrangement and combination of the several and
respective parts, together forming my improvements in circular hosiery knitting
machines, substantially as herein before described and illustrated by the drawings.
Dated this 28th day of February 1890.
GEO.
DOWNING,
S, Quality Court, London, W.C., Agent for the Applicant.