GRAVITATING ROPE BORES WITH SELF-ACTING APPARATUSSES FOR SHIFTING THE TOOLS
Year: 1871

page_text: LETTERS PATENT to Lynbomir Klerity, of Belgrad, Principality of
Serbien, Engineer, for the Invention of "GRAVITATING ROPE BORES
WITH SELF-ACTING APPARATUSSES FOR SHIFTING THE TOOLS."
Sealed the 16th January 1872, and dated the 2nd August 1871.
COMPLETE SPECIFICATION filed by the said Lynbomir Klerity at
the Office of the Commissioners of Patents, with his Petition and
Declaration, on the 2nd August 1871, pursuant to the 9th Section
of the Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, LYNBOMIR
KLERITY, of Belgrad, Principality of Serbien, Engineer, send greeting.
WHEREAS I am in possession of an Invention for "GRAVITATING
ROPE BORES WITH SELF-ACTING APPARATUSSES FOR SHIFTING THE TOOLS," and
have petitioned Her Majesty to grant unto me, my executors, adminis-
trators, and assigns, Her Royal Letters Patent for the same, and have
made solemn Declaration that I am the true and first Inventor thereof.
NOW KNOW YE, that I, the said Lynbomir Klerity, do hereby
declare that the following Complete Specification, under my hand and

page_text: seal, fully describes and ascertains the nature of the said Invention,
and in what manner the same is to be performed, in and by the following
statement:-
Fig. 1 of the accompanying Drawings represents the side view,
and Fig. 2, the front view of the entire apparatus.
At the under part of the gravitating shaft a, d, s, t, at d¹¹, d, is fixed
by wedges e¹, e¹, the boring rod f, g, h. The lower part of the boring
rod g, g, has a double claw and a bored axle hole a, B, in which the
chisel, k, l, is fastened by means of pins and wedges. The chisel
consists of a piece of cast steel, which according to the usual method
can be changed, as shewn in cross section in Figs. 1 and 8. p, p, is a
hollow cylinder, in which the upper part of the gravitating shaft c, u,
Fig. 3 can turn and pass through. In the cylinder itself are cut two
diametrically opposite slits o, n, m, and o', n¹, m', Fig. 4, in which the
part m, n, is the screw line slit. The screw line slits m, n¹, are
lengthened straightwise, which serves principally as guides for the
gravitating shaft. The before-named straight slit forms two rods p', p',
which at the upper part 2" forms a semicircle, and is then screwed to
the cylinder p, p.
At
The method of fastening the cylindrical coupling box M is seen in
Figs. 1 and 2. The coupling box M serves, firstly, as a guide for the
gravitating shaft, and, secondly, to hold the same on the ring c.
the upper part of the gravitating shaft, Fig. 3, is a fixed ring C, and
a loose ring b, which latter carries on the two diametrically opposite
sides two pins T, T, and is pressed upwards through a spring R, S. G is!
an india-rubber ring, which in consequence of the pressure of the spring
and the friction caused by this pressure fixes the loose ring b quite fast
to the surface N, N. N, α, N, is an extending piece which can be
fastened to the cylindrical gravitating shaft d by a bolt b¹, (a) being
the proper conical head of the gravitating shaft where the same through
two arms q, q', and q, q', is caught on two sides, and as required can
be let loose. The motion of the pincers is caused by the cap v, w, w, v,
which consists of a ring w and two flap valves v, v, and is fastened to
a parallel pipedon neck . This neck can be moved upwards or down-
wards along the square rod x¹, x¹. This neck x carries sidewise two
fixed rods s¹, s¹, which pass through Q and are united sidewise with the
knee joint r, r. When, therefore, the cap is moved upwards the pincers
are opened, and when downwards they are closed. You can therefore

page_text: draw any substance that sits therein upwards. This opening and
closing of the pincers is caused by the water in the bore hole in the
following manner :-When the gravitating shaft a, d, is caught and the
entire apparatus drawn upwards the water must necessarily fall, the con-
sequence will be that the valves v, v, immediately move at the axles y, y,
fixed to the neck on the ring w, w, and so form a complete cap. In
consequence of the opposition below caused by rock and stones the cap
and everything connected with it moves upwards as well as the rods s, s,
and the knee joints r, r, through which is produced the opening of the
pincers, and also the turning of the levers q, q', and q', q, on the axis u.
Through this movement the pincers let go the head of the gravitating
shaft so that the same immediately falls from z, z, to ¹, z¹, and thus
the splitting in pieces (or breaking up) of the stone is caused through
the chisel, to further break up the stone the gravitating shaft must be
raised again. To do this the entire catching apparatus M, K, must
be let down, through which the arms q, q, come open under the head
of the gravitating shaft. As soon as the apparatus is drawn upwards
partly from the water which is above and partly through the weight of
the neck itself and the rods 8, 8, the cap slides downwards, drives the
arms q', q', asunder, and so causes the arms q, q, to catch hold of the
head a through which also the gravitating shaft is again united with
the catching apparatus and is drawn upwards, but can again be allowed
to fall as shewn above.
The cap being composed of two flap valves made of leather, tin
washed plate, has the following advantages:-
1. By drawing up in consequence of the valve being opened the
opposition is considerably lessened.
2. When dirt collects on the cap it can be washed away, and the
cap thus always kept thoroughly clean.
3. When the apparatus is again let down through the closing of the
valves, and the cap being thus perfectly formed, the entire catching
apparatus is in a certain degree balanced.
After the above explanations of the mode in which the base is caught
and again allowed to fall, it remains to-be shewn how the gravitating
shaft at a certain fixed horizontal angle turns of itself, thereby
producing a circular hole in the stone or rock. This self-turning is
caused, firstly, by the loose ring b, and secondly, by the screw slit m, n.

page_text: When the catching apparatus is let down to catch the gravitating shaft
the upper screw surface presses on the pin T through which the ring b
is pressed under and so removed from the surface N, N, Fig. 3, and
as the chisel sits fast in the cutting previously made in the stone, so
must the ring turn from right to left as soon as the pin fixed thereon
has passed the straight guide m, m³, and the screw slit has entered the
straight slit n, o, without the gravitating shaft being turned. The
head a is now consequently caught in the pincers and the entire
apparatus drawn up. However, should the gravitating shaft be allowed
to fall from the pincers, in the first place the spring effects the junction
of the india-rubber ring, the surface N, N, and the upper surface of the
ring 6 (this ensures immediately a frictional opposition); secondly,
the pin T falls on the lower screw surface, through which an upward
pressure is produced, so that a firm junction is effected between the
gravitating shaft and the loose ring 6, consequently when the pin is
again out of the straight slit n, o, through the screw slit m, n, in the
straight slit m, m³, the entire gravitating shaft must finally turn at
a certain angle from left to right. From the above it is therefore seen
that it is not necessary to shift the bore, but that it turns itself as
soon as it falls down. The proportion of the turning is entirely given
through the variation of the slits m, m³, and n, o. As, however, the
shifting for different classes of stone must be various the cylinder p, p,
so constructed that plates can be screwed on M, N, Figs. 4 and 5, from
which the slit n, o, can bore out differently from that of the straight going
slit m, m¹. How the two said plates are inserted is shewn, in Fig. 4 in
section; p¹, p", p¹, in Fig. 2 is a piece of cast iron which is fastened
by screws to the lower part of the cylinder p, p. The plates t, t, are
placed obtusely together by P with half rings P, P, P', P', which form
the lowest portions of the plates, and through which they are fastened
by screws to the upper part of the cylinder p, p, as shewn in Figs. 1
and 2. C and D are seats on which the valves rest when they open
downwards.
is
Having thus particularly described the nature of my Invention, and
mode of carrying it into effect, what I claim is,-
1. The curved line guidance o, n, m, m³, of the pin T, the loose ring b,
and therewith also the gravitating shaft a, d.
2. The loose ring 6 which, firstly, can turn itself, and secondly, by

page_text: LJUBOMIR KLERITJ. (L.S.)