Means for Locking-up Type in Printers' Chases.
Year: 1898

page_text: Date of Application, 10th Jan., 1898
Complete Specification Left, 10th Nov., 1898-Accepted, 17th Dec., 1898
PROVISIONAL SPECIFICATION.
Means for Locking-up Type in Printers' Chases.
I, ISAIAH HALL, 122, New Bank Road, Blackburn, in the County of Lancaster,
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention relates to the method of locking-up of chases used by printers
for holding type and other matter, by means of a set-square, or taper blocks, or
bevel and other wheels, fixed in one corner of inside framework of the chase, or
any other device that might lead to the same which locks-up the foot-stick and
side-stick automatically together which thus ensures the type and other matter
being instantaneously locked together before going to press.
Worked by means of a screw passing through the corner or sides of the chase.
which presses the blocks against the foot-stick and side-stick both at once.
Dated this 8th day of January 1898
means or Locking-up Type in rrinters
Славев.
I, ISAIAH HALL, of 122, New Bank Road, Blackburn, in the County of Lan-
caster, but at present of Regentsselaan 348, The Hague, Holland, Engineer, do
hereby declare the nature of this invention and in what manner the same is to
be performed, to be particularly described and ascertained in and by the follow-
ing statement:-
The present invention relates to improved means for locking up type in
printers chases; and consists in the combination with each of two adjoining
sides of the chase, of a double wedge quoin and a screw or gear mechanism by
which the quoins between the chase and those next the forme, are pushed over
their fellows at the same time, at the same rate, and with equal pressures.
Referring to the accompanying figures which are to be taken as part of this
specification and read therewith,
Figure 1 is a plan:
Figure 2 is a section taken along the line 2-2 thereof:
Figure 3 is a plan of a modification:
Figure 4 is a plan of a third modification; and
Figure 5 is a section taken along the line 5-5 of Figure 4.
Referring to Figures 1 and 2, 6 is the chase: 7 is a side stick or bar having
quoins S, S, combined with it; 9 is the foot stick or bar having quoins 10, 10,
combined with it; 11, 12 are bars having quoins 13, 14 combined with them
Din 71

page_text: respectively.
The outer flat sides of the bars 11, 12, bear against the inner
faces of the adjoining sides of the chase 6; the inner flat sides of the bars 7, 9,
bear against the forme 15; and the operative faces of the quoins 13, 14, bear
against and work over the operative faces of the quoins 8 and 10, respectively. Each
pair of bars 7 and 11 or 9 and 12 together with their combined quoins 8 and 13
or 10 and 14, constitutes a double wedge quoin.
16, 17 are two pushers respectively aligned with the bars 11, 12, and adapted
to work through lugs 18, 19 projecting inwardly from the said adjoining sides of
the chase 6 and within the plane of it. Their noses stand normally within a
short distance of the opposite ends of the said bars 11, 12, while their heads 20
are held by springs 21 within reach of a block 22 carried on the end of a screw 23.
The connection between the two is of such a character that the screw nose may
turn freely in the block. To provide for such turning and also to allow the
block 22 to adjust itself to unequal resistances by the bars 11 and 12, the nose
of the screw is turned down to a neck 24 and terminates in a disc 25, the neck
and disc engaging in a T-shaped groove 26 extending across the opposite face
of the block 22 as shewn in Figure 1. 29 is a detachable handle for turning the
screw 23. The screw 23 is adapted to work in the direction shewn and through
the angle of the chase 6 made by the junction of the said adjoining sides and
end, the axis of it bisecting that angle. The faces of the block 22, opposite the
heads 20 and the latter are respectively parallel with each other. The invention
constructed as described, acts as follows. When the parts are in position for
locking up, the screw 23 is turned to force the block 22 diagonally inwards
against the pushers 16, 17, which are thereupon both pushed equally against the
bars 1, 12, thereby making the quoins 13 and 14 move over the quoins 8, 10 and
force the bars 7, 9, against the adjacent sides of the forme 15 with equal pres-
sures. To unlock the forme, the screw 23 is reversed. This releases the
pushers 16, 17, which are withdrawn from bearing against the bars 11, 12 by the
returning springs 21.
In the modification illustrated in Figure 3, the pusher heads and the respec-
tively opposite faces of the block 22 are bevelled in opposite directions.
In the modification illustrated in Figures 4 and 5 the screw 23 is replaced by a
spindle 28 which only turns about its axis in its bearing in the chase. The inner
end of it carries a bevelled wheel 36 gearing with spur pinions 30, 31, carried by
stud axles 32, 33, fixed in the chase at right angles with each other and gearing
respectively with racks 34, 35 respectively fast to the ends of the bars 11 and 12.
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 herein before described combination with each of two adjoining sides
of a chase of a double wedge quoin and a screw or gear mechanism adapted to
push the quoins between the chase and those next the forme over their fellows
at the same time, at the same rate and with equal pressures.
2. The hereinbefore described combination of chase, a double wedge quoin for
each of two adjoining sides of the chase; a screw working diagonally through a
corner of the chase; a block on the nose of the screw; and pushers adapted to
establish equal connections between the said block and the respective doublo
quoins.
3. The hereinbefore described combination of chase, a double quoin for each
of two adjoining sides of the chase; a screw working diagonally through a corner
of the chase; a tapered block on the nose of the said screw and tapered head
pushers adapted to establish equal connections between the said block and the
respective double quoins.
4. The herein before described combination of chase; a double quoin for each
of two adjoining sides of the chase; a spindle and mitre wheel working in a
bearing in the angle formed by the junction of those sides; a spur pinion on

page_text: each side of the said mitre wheel and gearing therewith; and a rack fast on
the adjacent end of the longitudinally movable member of each double quoin,
and gear with the respective spur pinion.
Dated the 10th day of November 1898.
CHAS. S. WOODROFFE,
188, Fleet Street, London, E.C., Agent for the Applicant.