Improvements in or appertaining to Circular Knitting Machines.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in or appertaining to Circular Knitting Machines.
I, JOHN THOMAS VAUGHAN, of No. 53, Granby Street, Leicester,' in the County,
of Leicester, Engineer, do, hereby declare the nature of this invention to be as
follows:
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This invention relates to improvements in or appertaining to circular knitting
machines of the type known as Griswold knitters." The object being to provide
better means for securing the inner tube of the ribber arm of such like circular
machines to obviate the breaking away of the head of the screw tightened by
thumb screw from a tapered slot in the tube as is now the case and which causes
the ribbing dial to fall on to the top of the cylinder and stops the work.
By my invention this is totally avoided and the ribber arm casting carrying the
ribbing dial, spindle and tube fitting on the latter can be produced a deal cheaper
and without any danger of the dial falling. To carry out my invention I cause
the vertical bracket of the ribber arm casting to be made with or make a vertical
slit through the outer flat face thereof, or cast with lugs thereon, and drill in the
sides thereof a screw threaded hole to receive an ordinary screw or screw and nut
to bring the slit together to form a clip to grip the adjustable tube and allowing
the said tube to be secured at the height desired according to the length of loop.
required in making a ribbed fabric upon such seamless knitting machines.
Dated this 18th day of June 1897.
W. BESTWICK MAXFIELD,
Applicant's Agent.
Improvements in or appertaining to Circular Knitting Machines.
I, JOHN THOMAS VAUGHAN, of No. 53, Granby Street, Leicester, in the County,
of Leicester, Engineer, 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 relates to improvements in or appertaining to circular knitting
machines of the type known as Griswold knitters." The object of this invention
is to provide better means than is now in use for securing the inner tube of the
ribber arm of such like circular machines so that the risk of breaking away the
head of a screw tightened by thumb screw from a tapered slot in the tube is
obviated as also is the falling down of the ribbing dial on the top of the cylinder
which stops the work. That my invention may be clearly understood I have
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annexed a sheet of drawings, in which Figure 1 is a side elevation of the cam
cylinder, needle cylinder, and ribbing attachment used in "Griswold knitters,"
and the split bracket arm according to this invention, and
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Figure 2 is a top view of the ribber arm casting in accordance with this invention.
Figures of reference are employed to denote that which is already well known
in connection with "Griswold knitters or the like circular hand or power machines,
and letters of reference denote the parts forming the subject of this invention, and
to which I am about to refer.
By this my invention the stoppage of work thro' the ribbing dial falling upon
the top of the needle cylinder is totally avoided and the ribber arm casting 1, carry-
ing the ribbing dial 2, spindle 3, and tube 4 fitting in the latter can be produced
a deal cheaper and without any risk. To carry out my invention I cause the
vertical bracket A of the ribber arm casting 1, to me made with, or make a vertical
slit through the outer flat face thereof B, as shown in the drawing. Or lugs may
he cast thereon, and drill in the sides thereof screw threaded holes to receive an
ordinary screw C or screw and nut, wherewith to bring the slit together to form al
clip to grip the adjustable tube 4, and so allowing the said tube to be secured at
the height desired according to the length of loop required in making a ribbed
fabric upon such seamless. Knitting machines, and facilitating the adjustment of
the ribber arm vertically.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed I declare that what I
claim is:-
In Griswold and like circular knitting machines the employment of a split
bracket in the ribber arm casting, or a clip or grip upon the inner tube capable of
yielding to the pressure of a tightening screw for facilitating the adjustment of
the ribber arm vertically for lowering or raising the ribbing dial, substantially as
herein decoribed and set forth
Dated this 17th day of March 1898.
W. BESTWICK MAXFIELD,
Registered Patent Agent, 34, Belvoir Street, Leicester,
Applicant's Agent.