IMPROVEMENTS IN KNITTING MACHINES
Year: 1885

page_text: I, JOSEPH AUGUSTUS CLARINGBURN, of Liverpool Street, in the town and county
of the town of Nottingham, Hosiery Machinist, do hereby declare the nature of my
invention for IMPROVEMENTS IN KNITTING MACHINES to be as follows:-
"
My improvements relate to straight bar knitting machines in which a main cam
shaft and a narrowing cam shaft is employed. Upon the driving shaft of each
machine, I secure a toothed wheel which gears into an intermediate wheel which
engages with one of a pair of toothed wheels one of which runs loose on the main
cam shaft of the machine, upon which a smaller wheel is secured by the side of the
loose one, this smaller wheel gears into the second larger wheel which runs loose on
the narrowing cam shaft, outside the larger wheel on each shaft is a circular plate,
the boss of each of which projects on one side and forms a recess in which a square
key rides, which is pressed outwards by a spiral spring in the recess, the outer end
of each key takes into a recess cut for it, in the rim of a plate firmly secured on the
end of the shaft, each key when its outer end is in the recess in the rim of the
plate carries the shaft round with it. Above the four plates is a lever which rocks
on an axle secured in the end standard of the machine at the back end and near the
front end the lever on its under side forms two inclines, each of which alternately
press down the square key, below the recess in the plate rim, thus allowing the key
carrying plate to revolve without carrying its shaft with it. The rocking of the
incline lever is effected by studs on a pattern wheel which raises one end of a lever
carried by an axle in the standard the lever being connected by a link to the
rocking incline lever before named, the pattern wheel is racked round tooth by
tooth by a driver carried by a swinging arm provided with a truck operated by a
cam secured to the recessed boss plate on, the narrowing cam shaft.
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The driver is capable of being moved into or out of gear with the teeth of the
pattern wheel actuated by the attendant at will, when the narrowing cam shaft is
required to operate.
By such means I am enabled to run the main cam shaft while the narrowing cam
shaft stands still and instantly stop the main shaft and start the narrowing cam
shaft when required, without incurring the costly breakage heretofore experienced,
besides being able to turn either cam shaft a full revolution backwards without any
shock or displacement of any portion of the machine.

page_text: a
with my improvements applied thereto.
Figure 2a plan of the same and Figures 3, 4 and 5 show separate portions
severally referred to hereafter.
The corresponding parts in each Figure are indicated by the same letters where
necessary.
My improvements relate to straight bar knitting machines in which a main cam
shaft and a narrowing cam shaft is employed.
Upon the driving shaft A of each machine I secure a toothed wheel A¹ which gears
into an intermediate wheel A' which engages with a toothed wheel B which runs
loose on the main cam shaft B¹ of the machine the wheel B has a smaller wheel B'
shown only at Figure 2 secured to its right side, which gears into a wheel C of the
same diameter as the wheel B, the wheel C runs loose on the narrowing cam
shaft C, outside each of the wheels B and C is a circular plate D, the boss of each
of which projects on one side and forms a recess D¹ in which a square key D' rides,
see Figures 4 and 5, the end of the key nearest its carrying wheel rocks on a pin
passed through it and through both sides of the recess, the outer cranked end of the
key is pressed outwards by a spiral spring D³ in the recess beneath it, when the key
is pressed outwards it takes into a recess cut for it in the projecting rim of a plate E
see Figure 3 which is firmly secured on the end of the cam shaft, each key when
its outer end is in the recess carries the plate and its cam shaft round with it.
:
Above the four plates is a lever F which irocks on an axle secured in a bracket
projecting from the end standard of the machine, at the back end and near the
front end the lever on its under side forms two inclines, each of which alternately
press down the square key below the recess in the rim of the plate E thus allowing
the key carrying plate D to revolve without carrying its shaft.with it.
The rocking of the incline lever is effected by studs G on a pattern wheel " of
the usual construction" which raises one end of a lever H carried by an axle
secured in the standard, the back end of the lever being connected by a link to the
rocking incline lever F before named, from the upper edge of the lever F two
brackets F1 project each of which carries a strong pin F these pins are pressed
down by the ends of a plate spring F³ one of the pins F is either held just clear of
the recessed rim of the plate E and allows its shaft to be carried round by the
key D or else the pin engages with the recess in the rim of the plate and prevents
the shaft being carried round, the incline of the lever causing the key to be lowered
clear of the recess in the rim until the lever is operated by the pattern wheel, which
is racked round tooth by tooth by a driver carried by an arm swinging on an

page_text: axle projecting from the standard the arm being provided with a truck (P³ operated
by a cam G³ secured to the recessed plate D, on the narrowing cam shaft C¹.
The driver G is capable of being moved into or out of gear with the teeth of
the pattern wheel by the attendant, at will.
By such means I am enabled to run the main cam shaft as many courses as
required while the narrowing cam shaft stands still and instantly stop the main
cam shaft and start the narrowing cam shaft when required without incurring the
costly breakage heretofore experienced, besides being able to turn either cam shaft
a full revolution backwards without any shock or displacement of any portion of
the machine.
•
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
The construction and employment of the above described apparatus with a straight
bar knitting machine for starting or stopping either cam shaft, as illustrated in the
Drawings annexed.
5333
Witness,
H. W. GOUGH, C.E.,
Nottingham.
'OOOT TO
JOSEPH AUGUSTUS CLARINGBURN.