Spots in delegraphic Recording instruments.
Year: 1886

page_text: Spots in delegraphic Recording instruments.
I, ALEXANDER MELVILLE CLARK, of the firm of A. M. and Wm. Clark, of
53, Chancery Lane, in the County of, Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of this Invention (a communication to me'
from abroad by The New Haven Clock Company (a Corporation organized
under the Laws of the State of Connecticut) of Nos 16 and 18 Park Place in the
City, County, and State of New York United States of America) and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement:-
The object of this Invention is to improve telegraphic recording instruments
which are employed to mark dots and dashes and other figures upon strips of paper
that are fed through them, with the view of preventing the marking tool from.
sticking in the paper, simplifying the construction of the parts, and facilitating
their repair.
The Invention consists, first, in the employment of a cutting roller in the place
of a cutting pin for marking the paper where the same is in contact with another
roller; second in providing the apparatus with a slide to which the electro-magnets,
the armature, the binding post, and the electrical conductors are secured, and
which slide can readily be removed from the remainder of the instrument for
inspection and repair; and finally the Invention consists in providing said sliding
portion with a non-conducting plate in which the binding posts and the ends of
the conductors are secured, all as hereinafter more fully described.
Reference is to be had to the accompanying drawings forming part of this
Specification; in which Figure 1 is a side view of the improved telegraphic
recording instrument; Figure 2 is an enlarged side view partly in section of a
portion of the same; Figure 3 is an enlarged end elevation of the same; and
Figure 4 is an enlarged inner face,view of one of the end plates thereof.

page_text: In the accompanying drawings the letter A represents the box or case of the
instrument The same supports the paper reel B and the rollers C and D, between
which rollers the paper passes and by which it is fed along; that is to say--the
roller D is revolved by clock-work, and the paper J forced against it. Hence
the roller D in reality moves the paper, and this in turn the friction roller C. The
tight grip which both rollers have on the paper causes it to be fed along in the
manner just described The box A is closed at one end by a vertical plate E
which at the upper end has a horizontal attachment F (see dotted lines in Figure 1
and full lines Figure 2). This horizontal portion F which is rigidly attached to
the upright plate E constitutes a cover to all that part of the box A which lies
behind the roller D. The edges of the horizontal plate F are tongued as at a in
Figure 4 to enter the grooved sides b b of the box A and into these grooved
supports the cover portion F can be slid carrying with it when moved, the upright
end plate E. Thus the angular part E. F. is removable from the remainder of the
box A, so as to lay bare the internal mechanism (that is to say the clockwork part
that is contained within said box) whenever said angular part is taken out. To
this removable portion E. F are also secured on the inner side thereof the electro
magnets G while on the outer side thereof is pivoted at d the armature lever H
which carries the marking or pricking tool e To the removable part E F are also
secured the binding posts I I. to which the electrical conductors f g are connected.
Hence, by removing the angular part E F. the internal mechanism of the box is"
not only laid bare, as heretofore stated, but the electrical mechanism is also
removed and laid bare for examination and repair. The armature lever H which,
as before stated, carries the pricking tool e has, in all prior instruments of this
kind, been provided with a pin for pricking or marking the paper J. According to
this invention, however, the instrument e is a cutting roller hung in the end of the.
armature lever H and adapted to groove or cut the paper when forced against it
with its continuous sharp or V-shaped cutting edge. The roller e is so located that
it touches the paper on the roller C. The principal advantage of this arrangement
is that the tool which cuts or grooves the paper cannot stick therein and that,
consequently, it will offer no resistance to the proper continuity of the action of the
apparatus, the roller e forcing the paper against the roller C and afterwards
revolving by contact with the same. A portion of the upright plate E is made
non-conducting. This non-conducting portion is shown at L in the drawings and
is, by preference a plate made of suitable well known non-conducting substance
set into an aperture of the plate E. In this non-conducting portion L are secured
the several binding posts I and switches for regulating the course of the currents
on the conductors. This arrangement enables me, in the first place, to have the
electrical connections well in hand without requiring the whole box A to be lifted
up. In the older contrivances known, the conductors were carried under the bottom
of the box A and there joined to binding posts, which arrangement required the
upsetting of the entire box in order to get at these connections. It is evident that
by setting this non-conducting plate L into the removable angular end piece E, F,
of the box, opportunity for ready inspection and repair is greatly increased. The
lever H may carry one marking roller e or more than one. Two such levers are
shown in Figure 4 of the drawings. I do not claim printing rollers that are
carried on armature levers for printing ink on paper.
Having now particularly described and ascertained the nature of the said
Invention; and in what manner the same is to be performed I declare that what
I claim is
1st In a telegraphic recording instrument the armature lever H and the roller e
which is carried by said armature lever, in combination with the roller C and
means substantially as described for revolving said roller C by contact with the
paper J, the roller e pressing the paper against the revolving roller C in marking
the same, substantially as herein shown and described.

page_text: 2nd In a telegraphic recording instrument the main box A which contains the
clockwork mechanism combined with the sliding end plate E having part of the
cover F rigidly attached to it, and also with the electro magnets and armature-
lever which it carries, as specified.
3rd In a telegraphic recording instrument the combination of the box A with the
removable angular slide E, F, and with the non conducting plate L contained
therein, and with the binding posts secured to said non conducting plate as specified.
Dated thin 00-11-
1000