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Nov. 5, 1946. .
J. WEST ET AL
2,410,559
PRINTER-‘S LINEUP TABLE ’
Original ' Filed May 22,‘~ 1e42_
3 Sheets-Sheet 1
Nov. 5, 1946.
J. WEST ET AL
I
PRINTER"S
‘ Original
LINEUP
2,410,559
TABLE
May 22,
.
I
> 3 sheiets_sheet 2
5
Nov. 5, 1946.
J. WEST ET AL
2,410,559
PRINTER’S LINEUP TABLE
Original Filed May 22, 1942
3 Sheets-Sheet 3
Patented Nov. 5, 1946
2,410,559 '
UNITED STATES’ PATENT OFFICE‘
PRINTER’S LINE -UP TABLE
James West, Newton, and William M. Davis,
Cambridge, Mass, assignors to Craftsman
Line-Up Table Corporation, Waltham, Mass,
a corporation of >Massachusetts.
'
Original application May '22, 1942,, Serial No.
444,008, now Patent No. 2,399,610, dated April
30, 1946. Divided and this application August
17, 1943, Serial No. 498,966
3 Claims.
'
(01. 33-4845)‘
1
2
This invention relates to that class of appa
carriage can be moved backward and ‘forward
ratus used chiefly in the printing trade and com
on the tracks or racks |2-—l'2; Both the car
monly known as “line-up-tables.” They are de
riage and the straight edge span a table top 4
signed primarily for the purpose of facilitating
which customarily is‘ made of transparent mate
accuracy in the line-up of the work and precision 6 rial and is supported ?rmly on the. frame of‘the
register of the copy, although they also ?nd addi
machine. Scales 6 and 1, Fig. 1, are associated
tional uses, particularly in marking or lining ‘the
with the table top and another scale 8 lies beside
work, scoring negatives and the like.
The present invention aims to improve tables
the left-hand rack IZ'.
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'
.-
'
So far as the features above described are con
of this character with a. view to facilitating the 10 cerned, the construction is not essentially differ
matter of adjusting the straight edge with ex
ent from that in the‘ commercial Craftsman table
treme accuracy, positioning it for operation on
above referred to.
'
'
I
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work of different thicknesses, and making these
One of the objects of this invention is to pro
adjustments rapidly but still with precision.
vide means for facilitating the quick adjustment
The nature of the invention will be readily un 15 of the straight edge I‘! while still making such
derstood from the following description when read
adjustment with an exceptionally high degree
in connection with the accompanying drawings,
and the novel features will be particularly point
ed out in the appended claims.
In the drawings,
-
of accuracy.
For this purpose a counter-shaft
20 is mounted above the carriage shaft III in bear
ings 2| and 22, supported in one of said housings,
,
20 and it carries a pinion 23 meshing with the gear
Figure 1 is a plan View of a portion of aline
up table including features embodying the pres
ent invention;
Fig. 2 is an end view of the carriage and ad
jacent parts;
It. A knob 24 secured to the end of section b
of the shaft 20 provides a convenient means
for turning it, thus rotating the gear I3v at a
very‘ slow rate and so producing a ‘correspond
; ingly gradual adjustment of the carriage along
Figs. 3 and 4 are vertical and horizontal sec- ‘
tional Views taken, respectively, on the lines 3—3
and 4—4 of Fig. 2;
Fig. 5 is a vertical, sectional'view on the line
the racks l2.
.
In order to eliminate any back lash in ‘the con
nections between the knob 24 and the gear IS,
the pinion 23 is split or divided on a radialv plane
into two sections and the shaft 20 is made in
Fig. 6 is a side view similar to Fig. 2‘ but on a
larger scale and with some parts eliminated or
corresponding sections indicated at a and I), re
spectively, Fig. 3. Each of the shaft sections is
broken away in order better to illustrate details
integral with one of the pinion sections and one
of construction; and
shaft section telescopes within the other, as
'
Fig. 7 is a sectional view through the shaft for
lifting the straight edge and illustrating the cam
clearly shown ’ in‘ the drawings. At the right
hand end of‘ the ‘shaft of the section‘b it is slot
provided for this purpose.
_
ted to receive one end of a torsion spring 25,, the
Referring ?rst to Figs. 1 and‘ 2, the table there
other end of which is anchored in the knob 25.
shown is similar in construction to that illus
This spring is inserted under tension'so that it
trated in our earlier Patent No. 2,252,535, except 40 tends constantly to rotate one of the pinion sec
that the tracks on which the two carriages arev
tions relatively to the other and the force so eX
mounted are arranged in the manner used in
erted is sufficiently great to prevent any back ’
the well known Craftsman line-up table.‘ Only
lash in the engagement of the pinion 23 with the
one carriage is here shown comprising a shaft it
gear I3.
having gears secured to its opposite ends to run
It is desirable to be able to set the adjusting
on the racks [2-92, One of these gears is shown
mechanism at a zero position for a major grad
in Fig. 2 at 13. They are enclosed in housings
nation on the scale 8 and to provide means for
Ill-14 and thehousings areconnected by a sleeve
measuring or indicating the degree of adjustment
15 which encircles the shaft I0. Also, the hous
of the straight edge from such major graduation
ings are provided with integral extensions on
on a considerably larger scale than is a?orded
which brackets lt—-I6 are supported, the straight
by the scale 8 itself. For this purpose a grad;
edge I‘! being secured rigidly to the lower sides
uated Vernier disk 25 is mounted on the shaft
of these brackets. At its left-hand end, Figs; 1
and 3, the shaft H) has a knob or hand wheel i8.
secured thereto so that by turning this knob. the.
20 for rotation therearound and it is provided
with a tapered face 0, Fig. 3, to. engage the cor
respondingly tapered surface ‘of a disk 2'! ‘keyed
¥ .
2,410,559
3
4
to the outer member a of the shaft 20. These
two disks 26 and 2'! thus constitute a friction
Also formed in the part 34 is an arcuate slot 3'!
curved about the axis of the shaft 3| and a thread
clutch and a knob 28 is threaded on to the shank
ed stud 38, anchored in the part 38, projects
of the knob 24 where it will back up the disk 26
through this slot. A nut 40 threaded on it and
and will serve ‘to clamp it to :its'cooperating "Ji provided with a handle 41 serves to clamp the
clutch disk 2‘! or to release it for adjustment rela
part 34, and consequently the bracket (6, to the
tively thereto, as desired.
> adjacent portion 36 of the carriage. The same
Assuming that it is desirable to make, vadjust- " construction is provided at the opposite end of
ments of the straight edge toward or from a major
the carriage, as shown in Fig. 1.
graduation, or any other selected point - on the 1O
scale, as for example the graduation 24 on the:
scale 8, as shown in Fig. 1, the straight edge is
?rst adjusted to that point, the adjustment being
A typical use of this adjustment occurs in set
ting the straight edge initially to a new piece
of work, say a negative. The operator loosens
the nuts 40—1i? at opposite ends of the straight
read through the magnifying lens 30, Fig. 1, which
edge and turns the knob or handle 32 to lower
is secured to the 'carriage‘and overlies the scale 15 said straight edge into direct contact with the
8. Then the graduated Vernier disk 26- can be
Work piece. Itautomatically adjusts itself to a
released from the shaft 20 by backing up the
flat position on the work moving around the axis
knob 28, after which the Vernier disk )may be
of the shaft 31 for this purpose. The operator
set in its zero, position where its zero mark reg
then locks the straight edge in this position by
isters with the ?xed "match” mark or base mark 20 tightening the nuts 49—4B. Thereafter whenhe
on the housing M, as shown in Fig. 1. The knob
Wishes to move the straight edge over the surface
next is tightened up and thereafter adjustments
of the work he lifts it by means of the handle
of the straight edge can be made from this major
or knob 32, and lowers it again when it is in the
graduation and can be read on the disk 26 in
proper position. A spring pressed plunger 4! , Fig.
thousandths of an inch, or in whatever units of 25 6, is mounted in the carriage member 35 where it
measurement the Vernier disk is graduated.
will bear on a part of the frame when the straight
This is an important advantage in connection
edge is lowered and act as a shock absorber. An
with certain kinds of printing and it is of ad
other plunger is'sirnilarly located at the opposite
vantage also in enabling a .workman to re-set the
end of the straight edge.
straight edge to a given position after the adjust 30
This ‘application is a division of applicants’
ment has been lost for any reason.
earlier application Ser. No. 444,008, ?led May 22,
In line-up tables designed for some purposes,
1942, now matured into Patent No. 2,399,610,
it is customary to mount the table top:so that
dated April 30, 1946. The claims in the present
it can be vertically adjusted toward or from the
case are limited to the mechanism for adjusting
path of travel of the straight edges. While such
the straight edge in a direction at right angles
adjustment is extremely important for some
to itself and in a plane generally parallel to the
classes of work, the range of adjustment so pro
table top, while the claims in the parent, case
vided is not required forothers. At the same
cover other features of the invention, particular
time there usually must be some provision for
ly those relating to the‘ adjustment of the straight
accommodating variations in the thickness of- the 40 Edge toward or from the upper surface of' the
a
e.
'
paper, negatives, or other article of work. It is
one of the objects of this invention to provide
While we have herein shown and described a
for such adjustment of the straight edge toward
preferred embodiment of our invention, it will be
and from the table top and thus to avoid the
evident that the invention is susceptible of em—
much larger expense of making the table top 45 bodiment in other forms without departing from
adjustable.
the spirit or scope thereof.
To this end a shaft or rod 3! extends across
'
1
'
Having thus described our invention, what we
the machine through the brackets l6—l 6 to which
the straight edge I1 is secured, and it is equipped
desire to claim as new is:
with a handle 32 by means of which it may be
top, a carriage mounted for movement across said
top, a straight edge mounted on said carriage,
1. A line-up table structure comprising a table
rotated. A cam 33, best shown in Figs. 4 and '7,
is formed integral with the knob 32 and is se
said straight edge extending across the working
cured fast on the shaft 3!, this cam resting on
area of said table. top and said carriage support
a ?at surface at the edge of the table so that by
ing it for movement in a plane parallel with and
rotating the knob any one of its four faces at, e, f 55 close to said table top, racks at opposite sides of
or 9 may be brought into position to support the
the‘table top, supporting means for said car
shaft at a spaced distance above said surfaces.
‘ riage including a gear running on each rack, and
The same cam construction is secured on the op
means for facilitating quick adjustment of said
posite end of the shaft 3!, as shown in Fig. 1
straight edge comprising a countershaft includ
at 33' so that both are operated in unison. Since 60 ing an inner shaft and an outer shaft sleeved on
the cam faces are spaced at different radial dis
said inner shaft, each of said shafts having a
‘ tances from the shaft, this arrangement provides
pinion on the adjacent ends of said shafts, said
for the adjustment of the straight edge into four
pinions meshingwith one of said gears, a housing
different elevations. This adjustment rocks the
supported by one of said gears, bearings in said
carriage about the axis of the shaft IE3.
‘
65
housing for said shafts, said pinions being
In addition to this provision for making a height
adjustment, means also is provided for adjusting
mounted between said bearings, a ?rst knob on
thestrai'ght edge relatively to the carriage. Re
spring connecting said knob to said inner shaft
acting with said pinions to prevent back-lash, a
ferring to Figs. 4, 5 and 6, it will be seen that
the opposite end of said outer shaft, a tension
the left-hand bracket IB, Fig. 1, is provided with 70 disk on said outer shaft having a taper face, a
an upright plate-like member 34 having a iat
second disk on said outer shaft having a taper
erally extending arcuate rib 35 curved. about the
face shaped to engage said ?rst taper face, said
axis of the shaft 3| and ?tting slidably in a cor
faces forming a friction clutch, said ?rst knob
respondingly shaped groove formed in an upright
having a shank, a second knob threaded on said
abutting face of a portion 36 of the carriage; 75 shank and adapted to engage said ?rst named
2,410,559
6
5
disk wherebyto cause said friction faces to engage
each other, said first named disk, said second disk
and second knob being located between one of
said bearings and said ?rst knob.
2. A line-up table structure comprising a table
top, a carriage mounted for movement across said
top, a straight edge mounted on said ‘carriage,
said straight edge extending across the working
area of said table top and said carriage support
ing it for movement in a plane parallel with and 10
close to said table top, racks at opposite sides of
the table top, supporting means for said carriage‘
including a gear running on each rack, and means
for facilitating quick adjustment of said straight
edge comprising a countershaft including an in
top, a carriage mounted for movement across said
top, a straight edge mounted on said carriage,
said straight edge extending across the working
area of said table top and said carriage support
ing it for movement in a plane parallel with and
close to said table top, racks at opposite sides
of the table top, supporting means for said car
riage including a gear running on each rack, and
means for facilitating quick adjustment of said
straight edge comprising a countershaft includ
ing an inner shaft and an outer shaft sleeved on
said inner shaft, each of said shafts having a
pinion onv the adjacent ends of said shafts, said
pinions meshing with one of said gears, a housing
15 supported by one of said gears, hearings in said
ner shaft and an outer shaft sleeved on said inner
housing for said shafts, said pinions being
shaft, each of said shafts having a pinion on the
mounted between said bearings, a ?rst knob on
adjacent ends of said shafts, said pinions mesh
the opposite end of said outer shaft, a tension
ing with one of said gears, a housing supported
spring connecting said knob to said inner shaft
by one of said gears, bearings in said housing for 20 acting with said pinions to prevent back-lash, a
said shafts, said pinions being mounted between
Vernier disk on saidlouter shaft having a taper
said bearings, a ?rst knob on the opposite end of
face, a second disk on said outer shaft having a
said outer shaft, a tension spring connecting said
taper face adapted to engage said ?rst taper face,
knob to said inner shaft acting with said pinions
said faces forming a friction clutch, said ?rst
to prevent back-lash, a disk on said outer shaft 25 knob having a shank, a second knob threaded on
having a taper face, a second disk on said outer
said shank and adapted to engage said Vernier
shaft having a taper face shaped to engage said
disk whereby to cause said friction faces to en
?rst taper face, said faces forming a friction
gage each other, said vernier disk, said second
clutch, said ?rst knob having a shank, a second
disk and second knob being located between one
knob threaded on said shank and adapted to en 30 of said bearings and said ?rst knob, said carriage
gage said ?rst named disk whereby to cause said
supporting means further including a carriage
friction faces to engage each other, said first
shaft extending across said table top and mount
named disk, said second disk and said knob be
ing said gears, and a hand wheel mounted on
ing located between one of said bearings and
one of said gears, said countershaft being held
said ?rst knob, said carriage supporting means 35 by said bearings in vertical alignment with said
further including a carriage shaft extending
carriage supporting shaft.
across said table top and mounting said gears,
JAMES WEST.
and a hand wheel mounted on one of said gears.
3. A line-up table structure comprising a table
WM. M. DAVIS.
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