Singer 321 KNITTER - Page 16

12
IV
COURSES
AND
MOVEMENT
OF
NEEDLES
IN
PATTERN
KNITTING
IV
-a
SLIP
STITCH
PATTERN
(1)
The
needles
are
guided
into
needle
selection
course
by
Side
Cam.
(2)
The
needles
thus
selected
by
Sub
Drum
are
sent
forward
by
Separation
Cams
and
get
their
latches
opened.
(3)
The
needles
sent
backward
do
not
get
their
latches
opened.
(4)
The
needles
sent
out
forward
get
fed
with
the
thread
through
Yarn
Feeder
and
make
new
stitches,
whereas
those
sent
backward
do
not
get
fed.
1
1
111V,_./
•
4
Fig.
13
2
.B
A