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Jan. 14, 1947.
'
.
‘
R. c. AMIDON
THREAD GUIDE ROCKING’ MECHANISM
Ofiginal Filed Oct. 16, 1945
7* T1333?" 1
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34 1oz I03
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100
v2,414,080
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2,414,080
Patented Jan. 14,’ 1947
UNITED STATES PATENT OFFICE
2,414,080
GUIDE ROCKING MECHANISM
Pa, assignor to Vanity
Boy 0. Amidon, Reading,
Fair Mills, Inc., Reading, Pa., a corporation of
Pennsylvania
Original application October 16, 1943, Serial No.
506,561. Divided and this application April 23,
1945, Serial No. 589,861
4 Claims. (Cl. 66-86)
1
My present invention relates to the class of
knitting machines and it particularly has refer
2
‘alongV and to the upper front rock shaft I3, by
set screws 59. These sleeves 94 have slots 2“ to
receive adjusting screws I05 that-are carried by
ence to the means for mounting and rocking the
brackets 95 which are fastened in a vertically
thread guides to pass them from front to back of
adjustable manner, by cap screws 90 passing
the needles where racking occurs.
through slots 91 into the sleeves 94. The brack
More speci?cally the invention has for an object
ets 95 have upper, 99, and lower, 98, tracks on
to provide a thread guide rocking mechanism of
which the upper and lower bars, IOI and I00, re
a simple and effective construction which will
spectively, of the front racking frame slide and
readily serve its intended purpose.
are supported. Yokes I02 are secured, by cap
A further object is to provide for a continuous 10 screws I03, to the bars I00 and NH as best shown
oscillation of the thread guides via the cam shaft
in Figure 3. The front thread guide element
of the machine.
blocks I04 are removably mounted in any suitable
Other objects will in part be obvious and in part
way, as by cap screws 2I'2. The front thread
be pointed out hereinafter.
guides each has a fork I99 and an eye I98, for
To the attainment of the aforesaid objects and 15 guiding the front thread. The front thread guide
ends the invention still further resides in the
racking frame is held on its tracks 98, 99 by angle
novel details of construction, combination and
bars I06 vertically adjustably held by cap
arrangement of parts which will be ?rst fully de
screws 96.
scribed hereinafter and then be speci?cally
The racking bar I00 has a ?tting I01 attached
pointed out in the appended claims, reference be 20 to one end to which ?tting the rack mechanism
ing had to the accompanying drawing in which:
(not shown) is coupled.
_
Figure l is a front elevation of so much of a
As the shaft 1 turns the cams 41, 48 will rock
knitting machine as is necessary to illustrate my
the roller carriage and in turn rock the shaft I2.
communicated
25
The rocking motion of shaft I2 is
Figure 2 is a View looking ,from left to right in
to shaft I3 via the arms 44 and 45, causing shaft '
Figure 1.
I3 to rock on its axis. When the racking means
Figure 3 is an enlarged detail section on the
(not shown) acts the racking frame I00, IOI, I02
line 3—-3 of Figure 1.
is moved back and forth along shaft I3.
Figure 4 is a detail perspective view of a portion
In case it becomes necessary to remove the
30
of the upper racking bar.
racking frame, it may be lifted off as a unit by
Figure 5 is a detail perspective view of a por
' simply loosening the screws 90 and raising the
tion of the lower racking bar.
retaining bars I06 high enough for the bars NH
In the drawing in which like numerals of ref
and 100 to clear the tracks 99 and 98 respectively.
erence indicate like parts in all the ?gures, 1 is
To adjust the guides for position up and down
35
one of the cam shafts of the knitting machine of
with respect to the needles (not shown) one
my application Serial No. 506,561 ?led October 16,
loosens the screws 96 and adjusts screw I05 ac
1943 (of which application this application is a
cordingly as will be clear by reference to Fig. 3.
division), and I3 is the rock shaft by which the
From the foregoing description taken in con
invention.
thread guides are rockably and slidably carried.
nection with the accompanying drawing it is
I2 designates the front rock shaft of the machine. 40 thought that the construction, operation and ad
The shafts ‘I, I2 and. I3 are suitably journalled in
vantages of my invention will be clear to those
bearings (not shown) in the machine as will be
obvious to those skilled in the art.
On the shaft 1 is mounted sleeves 90 of a master
skilled in the art to which it relates.
What I claim is:
1. In a ?at knitting machine: a rock shaft;
cam 41 and a follower cam 48, while on the shaft 45
means
to rock said shaft; a sleeve mounted on
I2 is mounted a roller carriage 40 that carries
said rock shaft and secured thereto; a bracket se
rollers 49 and 50 to engage the master and fol
cured to said sleeve and having upper vand lower
lower cams respectively. The carriage 40 is se
tracks extending parallel to said rock shaft; an
cured to the shaft I2 by set screws 59. Also se
upper racking bar mounted on the upper track; a
50
cured to the shaft I2 is a slotted arm 44 while a
lower racking bar mounted on the lower track; a
slotted arm 45 is secured to the shaft I3, the
yoke connecting said upperand lower racking
arms 44 and 45 being connected by a pin 40 ad
bars and constituting therewith a racking frame;
justably carried by the arm 45. The parts 44, 45,
and means for mounting a thread guide on said
46 have, as it were, a pin-and-slot connection.
A number of sleeves 94 are secured at intervals 56 frame.
2414,1580
2. In a
means to
said rock
secured to
?at knitting machine: a rock shaft;
rock said shaft; a sleeve mounted on
shaft and secured thereto; a bracket
said sleeve and having upper and lower
tracks extending parallel to said rock shaft; an
upper racking bar mounted on the upper track;
a lower racking bar mounted on the lower track;
a yoke connecting said upper and lower racking
bars and constituting therewith a racking frame;
means for mounting a thread guide on said
frame; and means for holding said frame on its
4
means for mounting a thread guide on said frame,‘
means for holding said frame on its tracks; and
means for adjusting said frame up or down on
said sleeve.
4. In a ?at knitting machine: a rock shaft;
means to rock said shaft; a sleeve mounted on
said rock shaft and secured thereto; a bracket se
cured to said sleeve and having upper and lower
tracks extending parallel to said rock shaft; an
upper racking bar mounted on the upper track; a
lower racking bar mounted on the lower track; a
yoke connecting said upper and lower racking
3. In a ?at knitting machine: a rock shaft;
bars
and constituting therewith a racking frame;
means to rock said shaft; a sleeve mounted on
said rock shaft and secured thereto; a bracket se 1 5 means for mounting a thread guide on said frame;
means for holding said frame on its tracks; and
cured to said sleeve and having upper and lower
means for adjusting said frame up or down on
tracks extending parallel to said rock shaft; an
said sleeve, said adjusting means comprising a
upper racking bar mounted on the upper track;
cross slot in said sleeve, and an adjusting screw
a rower racking bar mounted on the lower track;
carried by said bracket to enter said slot and en
a yoke connecting said upper and lower racking 20 gage
said sleeve.
bars and constituting therewith a racking frame;
ROY C. AMIDON.
tracks.
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