Stretching or Finishing Woven Fabrics.
Year: 1885

page_text: Stretching or Finishing Woven Fabrics.
I DAVID PICKEN SMITH of Stanley Street Iron Works, Paisley Road, Glasgow
in the County of Renfrew, North Britain, Engineer, do hereby declare the nature
of my Invention for IMPROVEMENTS IN SPRING CLIPS OR HOLDERS FOR
MACHINES FOR STRETCHING OR FINISHING WOVEN FABRICS" to be as follows:-
"
My invention relates principally 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 or other equivalents
fitted with spring clips for holding the fabric by its selvages, and consists in
disposing on the centre or fulcrum of the upper jaw a coiled or other spring or
springs, which are formed of ordinary flat, round, or other steel wire suitably
tempered.
In one form of spring the wire is, bent in a spiral or volute form round the said
centre.or fulcrum from whence it extends outwardly to the underside of the lower
jaw of the clip where it is bent and again re-coiled as before described round the
said centre or fulcrum, the inner ends being bent under the back side of a tongue
on the upper movable jaw of the clip against which they bear or press; the said
tongue being prepared with a groove or grooves to prevent the spring or springs
becoming displaced.
1
0
In case I employ a spiral spring I construct the underside of the tongue on the
upper movable jaw of the clip with a recess or otherwise to receive the said spring
and a centre or stud, the latter being provided on the outer end with a disc or
other equivalents. This disc is mounted on a centre secured in any convenient
way or cast to the arms carrying the lower jaw of the clip. The centre is rounded
or convexed and the underside of the disc concaved or vice-versa, which allows
the spiral spring and attachments to oscillate with the movement of the upper
movable jaw.

page_text: Improvements in Spring Clips or Holders for Machines for
121 12
Stretching or Finishing Woven Fabrics.
I DAVID PICKEN SMITH of Stanley Street Iron Works, Paisley Road, Glasgow
in the County of Renfrew, North Britain, Engineer, do hereby declare the nature
of my said Invention for "IMPROVEMENTS IN SPRING CLIPS OR HOLDERS FOR
MACHINES FOR STRETCHING OR FINISHING WOVEN FABRICS,", and in what manner
the same is to be performed, to be particularly described and ascertained in and by
the following statement :-
My invention relates principally 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 or other equivalents
fitted with spring clips for holding the fabric by its selvages, and consists in
disposing on the centre or fulcrum of the upper jaw a coiled or other spring or
springs which are formed of ordinary flat, round, or other steel wire suitably
teinpered.
1.
In one form of spring the wire is bent in a spiral or volute form round the said
centre or fulcrum, from whence it extends outwardly to the underside of the lower
jaw of the clip where it is bent and again re-coiled as before described round the
said centre or fulcrum, the inner ends being bent under the back side of a tongue
on the upper movable jaw of the clip against which they bear or press; the said
tongue being prepared with a groove or grooves to prevent the spring or springs
becoming displaced.
In case I employ a spiral spring I construct the underside of the tongue on the
upper movable jaw of the clip with a recess or otherwise to receive the said spring
and a centre or stud, the latter being provided on the outer end with a disc or
other equivalents. This disc is mounted on a centre secured in any convenient
way or cast to the arms carrying the lower jaw of the clip. The centre is rounded
or convexed and the underside of the disc concaved or vice-versâ, which allows
the spiral spring and attachments to oscillate with the movement of the upper
movable jaw.
Fig. 1 is a sectional end elevation of a link through line A, B in Fig. 2 and the
parts of its clip complete constructed with a spring of the coiled or volute form in
accordance with my improvements-Fig. 2 is a side or front elevation of Fig. 1 and
Fig. 3 is a plan of Fig. 2-Fig. 4 is a sectional end elevation of a clip shewn open
to admit or release the web of woven fabric being stentered, jigged, or finished-
Fig. 5 is a sectional end elevation of a link through line A'B' in Fig. 6 constructed
with a spiral spring-Fig. 6 is a side or front elevation of Fig. 5-Fig. 7 is a plan
of Fig. 6, and Fig. 8 is a sectional end elevation of a clip shewn open to admit or
release the web of woven fabric being stentered, jigged, or finished.
.
In all these figures the same letters are used to indicate corresponding parts.
The lower jaw C is fixed to the side of the link D of the chain by the two horizontal
arms E. The upper movable jaw M is hinged to the centre H by the arms or
levers I. The coiled or volute spring K is centered on the centre or fulcrum H, the
-bént end K¹ extending to the underside of the lower jaw or clip C. The ends K

page_text: of the spring K are bent under the back side of the tongue L on the upper
movable jaw M against which they press, being held in position laterally by the
groove G.
In adapting a spiral spring as shewn in Fig. 5 the underside of the tongue L on
the upper movable jaw M is provided with the recess or cavity O in which the
upper end of the spiral spring K is placed. Between the horizontal arms E is fixed
the centre J on which is mounted the disc P provided with the centre or stud R.
The underside of the disc P is concaved to the diameter of the centre J which allows
the spiral spring K and its attachments to oscillate with the movement of the upper
movable jaw M when operated as in Fig. 8 to admit or release the web of woven
fabric to be stentered, jigged, or finished.
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 construction of the chain clips or holders for cloth stentering and
finishing machines with the springs K made on the coiled or volute form, applied
and operating substantially as described and as shown on the drawings in Figs. 1
to 4 inclusive.
2. The construction of the chain clips or holders for cloth stentering and
finishing machines with the spiral spring K, tongue L with the recess or cavity O,
disc P, stud R, and centre J, applied and operating substantially as described and
shown on the drawings in Figs. 5 to 8 inclusive,