Improvements in the Construction of Clips or Holders Employed in Machines for Stretching or Finishing Woven Fabrics.
Year: 1890

page_text: Date of Application, 17th Feb., 1890
Complete Specification Left, 13th Nov., 1890-Accepted, 13th Dec., 1890
PROVISIONAL SPECIFICATION.
Improvements in the Construction of Clips or Holders Employed in
Machines for Stretching or Finishing Woven Fabrics.
I, ALFRED AUSTIN WHITLEY of Park View, Walmersley Road, Bury in the County
of Lancaster, Engineer, do hereby declare the nature of my said invention to be as
follows
This invention relates to improvements in the construction of clips or holders
employed in machines for stretching or finishing woven fabrics, in which the latter are
operated upon and carried by endless chains fitted with clips for holding the fabric
by its selvages. Each link of the endless chains is provided with suitable preparations
to receive a slotted plato forming the lower jaw of the clip or holder. The upper jaw
is pivoted to arms or supports attached to each link of the said chains. To the arms
or supports is pivoted an arm carrying a tongue to operate in conjunction with
the slotted plate forming the lower jaw of the clip or holder, also a support to carry the
end of a lever or arm coupled to the upper jaw when the cloth or fabric is over the
slot in the lower jaw and the tongue is resting thereon. The tongue is constructed so
as to allow the fabric to slide or move into the correct position for being gripped by
the taper edge of the upper jaw of the clip or holder. The arm carrying the tongue
is provided with a projection against which operates the upper jaw of the clip when
the latter is pressed backwards to feed the cloth or fabric into the clip or holder.
When cloth or fabric is fed into the clip or holder it is placed under the tongue which
allows the former to slide by the motion of the chains towards the gripping edge of
the upper jaw. Immediately the cloth or fabric has passed the bearing surface of the
tongue the latter drops into the slot in the lower jaw, releases the supporting lever,
and allows the upper jaw to fall and grip the edge of the fabric.
An important feature of this invention consists in relieving the cloth or fabric under
the tongue from undue pressure or strain by means of the raised upper jaw and its
connections.
Dated the 15th February 1890.
EDMUND CHADWICK,
A gent
COMPLETE SPECIFICATION.
Improvements in the Construction of Clips or Holders Employed in
Machines for Stretching or Finishing Woven Fabrics.
1, ALFRED AUSTIN WHITLEY of Park View Walmersley Road, Bury in the County
of Lancaster, Engineer, 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 :-
This invention relates to improvements in the construction of clips or holders
employed in machines for stretching or finishing woven fabrics, in which the latter are
operated upon and carried by endless chains fitted with clips for holding the fabric by
its selvages. Each link of the endless chains is provided with suitable preparations
to receive a slotted plate forming the lower jaw of the clip or holder. The upper jaw
is pivoted to arms or supports attached to each link of the said chains. To the arms
or supports is pivoted an arm carrying a tongue to operate in conjunction with the
slotted plate forming the lower jaw of the clip or holder, also a support to carry the
end of a lever or arm coupled to the upper jaw when the cloth or fabric is over the
slot in the lower jaw and the tongue is resting thereon. The tongue is constructed so
ruin 17

page_text: .
When cloth or fabric is ted into the clip or holder it is placed under the tongue which
allows the former to slide by the motion of the chains towards the gripping edge of
the upper jaw. Immediately the cloth or fabric has passed the bearing surface of the
tongue the latter drops into the slot in the lower jaw, releases the supporting lever,
and allows the upper jaw to fall and grip the edge of the fabric.
An important feature of this invention consists in relieving the cloth or fabric
under the tongue from undue pressure or strain by means of the raised upper jaw and
its connections.
DESCRIPTION OF DRAWINGS.
Fig. 1 is a longitudinal elevation of one of my almost balanced self-feeding clips or
holders for machines for stretching or finishing woven fabrics.
Fig. 2 is a plan of same.
Fig. 3 is a sectional end elevation through line A¹ B¹ in Fig. 1 shown open to
admit the web of woven fabric to be operated upon.
Fig. 4 is a sectional end elevation showing my almost balanced self-feeding clip or
holder when gripping woven fabric.
Fig. 5 is a sectional end elevation of another modification of one of my almost
balanced self-feeding clips or holders.
Fig. 6 is a plan of Fig. 5, and
Fig. 7 if a sectional end elevation of Fig. 6 when gripping woven fabric.
In all the figures the same letters are used to indicate corresponding parts.
A is a link of the endless chain provided with the preparation B to receive the
slotted plate C forming the lower jaw of the clip or holder. The slotted plate C is
secured to the preparation B by the rivets M. The upper jaw D is pivoted to the arms E
by the pin or centre ; the arms E being attached to the link A. To the arms E is
pivoted the arm or lever G by the pin or centre I. The arm or lever G is fitted or
provided with the tongue H to operate in conjunction with the slot J in the plate C
forming the lower jaw of the clip or holder. The underside of the tongue H is
constructed with a convexed face to allow of the fabric sliding or moving into the
correct position for being gripped by the taper edge of the upper movable jaw or
clip D with a minimum of friction as shown in Fig. 4; the minimum of friction being
effected by providing the arm or lever G with the curved end L to carry the end of
the lever or arm K coupled to the upper jaw D when the cloth or fabric is over the slot J
in the lower jaw and the tongue H is resting thereon as in Fig. 3. This is an
important feature in this invention as the pressure of the tongue H on the fabric over the
slot J in the plate C is almost nil, the same being almost balanced by the weight of
the arm or lever K resting or bearing on the curved end L, which tends to lift the
tongue H from the cloth or fabric represented by the thick line N, thus allowing of
the tenderest or lightest kinds of woven fabrics being operated upon without damage.
When the fabric N is fed into the clip or holder it is placed under the tongue H as in
Fig. 3, by which the gripping edge O of the upper movable jaw D is raised clear of
the fabric, which allows it to slide, by the travelling motion of the chains, towards the
gripping edge O of the upper jaw D. Immediately the selvage or edge of the fabric N
passes from under the convexed bearing face of the tongue H, the latter drops into
the slot J in the plate C as in Fig. 4, by which the upper movable jaw D falls and
grips the selvage or edge of the fabric N of its own gravity as in Fig. 4, in which
position it is held by the tension or stretch on the fabric N. The front of the upper
jaw D is provided with the projections P which operates against any well-known
mechanical appliances on the machine to open the same when the fabric is being
guided therein. When the upper jaw D is raised by the projections P coming in
contact with any well-known mechanical appliance suitable for the purpose the back-
side of the jaw D operates on the lip on the arm or lever G and lifts the latter

page_text: so as to place the end of the arm or lever K on the curved end L of the arm
or lever G, to hold the latter above the upper surface of the slotted plate C
until the fabric N is guided thereon. After the fabric N has been placed in position
over the slot J on the plate C the projection P is released-by the travelling action
of the chain A-from the mechanical appliance employed for opening or lifting the
jaw D, which allows the arm or lever G to drop on the fabric N over the slot J as in
Fig. 3.
In the modification of my invention shown in Figs. 5 and 6 the upper jaw D is held
open by the end L of the arm or lever G resting on the tongue K, the latter assisting
to bear the weight of the arm or lever G, thus relieving the fabric N from undue
strain or pressure in passing over the slot J in the plate C. Immediately the edge or
selvage of the fabric N passes the end of the arm cr lever G it drops into the slot J
as in Fig. 7, thus allowing the upper jaw D to fall of its own gravity and grip the
edge or selvage of the fabric N. This modification of my invention operates and acts
in a similar manner.to that described in Figs. 1 to 4.
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. In clips or holders attached to endless chains employed in machines for stretching
or finishing woven fabrics the use of the pivoted arm or lever G and the arm or lever K
in combination with the movable upper jaw D and the slotted plate C, substantially as
and for the purpose specified.
2. The combination, construction, and arrangement of parts forming my improved
almost balanced self-feeding gravity chain clips or holders for cloth stretching or
finishing machines, substantially as described.
בו
L 1011 AT 1800
EDMUND CHADWICK,
Agent.