Improvements in or relating to Printers' Frames or Chases.
Year: 1898

page_text: Date of Application, 25th Mar., 1898-Accepted, 18th June, 1898
COMPLETE SPECIFICATION.
Improvements in or relating to Printers' Frames or Chases.
I, OSCAR KUNATЛ, of 29-30, Karthauserstrasse, Erfurt, in the Empire of
Germany, Printer, 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 following statement:-
This invention relates to a frame or chase for receiving the form and has the
following advantages over frames hitherto employed. It can be used for any
form of whatever size it can be placed into or removed from the printing press
without necessitating any additional means of securing such as clamps cords or
the like and without the form being displaced and it need not be removed during
the casting or printing of the form.
The frame according to the present invention is represented in the accompany-
ing drawing. Fig. 1 being a plan and Fig. 2 a cross section Fig. 3 shows the
separate parts in perspective in the position in which they would form the frame
if engaged one with the other.
It will be seen from the drawing that this frame consists of four right angled
parts A B C D. Their slides are provided with teeth in such manner that the
teeth of the sides of one angle-piece are adapted to fit between the teeth of
the adjacent angle piece with a slight amount of clearance.
In the parts A and C the teeth are arranged in opposite directions that is to
say all the teeth of the part A are directed downwards and those of the part C
upwards.
The shorter sides b and d of the parts B and D) must therefore also have teeth
in opposite directions so that the upwardly directed teeth of the short side may
engage with the downwardly directed teeth of the short side a and similarly with
the teeth e and d (Fig. 3).
The longer sides band of the parts B and D must be also provided with
teeth extending in opposite directions so that the side b' engages with the side c¹
and the side a¹ with the side so that when the parts are put together their is
formed a smooth frame closed on all sides.
In this way any sized form can be enclosed by the frame and held fast during
the manipulations, the frame being at the same time capable of being easily
detached and replaced. Owing to the clearance remaining when the teeth are in
engagement the frame can be locked fast by means of a wedge key or the like.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed I declare that what I
claim is:
1. A printer's frame or chase comprising four angle pieces provided with
teeth in such manner that the teeth of the sides of one part fit between the teeth
of the sides of the adjacent part with a slight amount of clearance so that the
parts may be engaged with one another to form a closed frame of any desired

page_text: rectangular shape and can be locked by means of a wedge substantially as
described.
2. The combination and arrangement of parts constituting the complete
printer's chase or frame substantially as described and illustrated in the accom-
panying drawings.