Apparatus for Upsetting Bars of Iron and other Metal.
Year: 1899

page_text: Date of Application, 5th Mar., 1898-Accepted, 5th Nov., 1898
COMPLETE SPECIFICATION.
Apparatus for Upsetting Bars of Iron and other Metal.
We, FRIEDRICH TILLY, Merchant, of Eissen, and PHILIPP FISCHER, Smith, of
Hohenwepel, both in Westphalia, in Germany, 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:—
Our apparatus, represented in the annexed drawing, enables a man to upset a
bar of iron or other malleable metal several times with only one heat, whereas with
mechanisms in use hitherto only one upsetting pressure can be executed, because,
with the latter, a change of position that the iron must undergo, requires too long
a space of time, in which the metal cools too much.
With our new apparatus, having as essential parts two stays the one of which
is solidly fixed and the other can swing on a fixed pivot, a repeated upsetting can
be executed by few movements, requiring but very short spaces of time. Besides,
this apparatus is so simply constructed that every locksmith can make it himself for
his own use.
In the drawing the Figures 1 and 2 represent lateral views of our apparatus in
two different positions of its essential parts, the Figures 3 and 4 transverse vertical
sections (passing through the two upper supports), the Figure 5 a top view of the
apparatus, the Figure 6 a longitudinal vertical section of the upper part of the
apparatus, showing the connection of the two stays by means of a screw and an
excentric, by means of which the upsetting operation is to be effected; finally
Figure 7 shows the scheme of the relative positions of the different essential parts
of the apparatus before and during the upsetting operation.
The apparatus has, as already mentioned, two supporting stays A and B, one of
which (A) is firmly fixed on a frame A¹, whereas the other (B) can swing on a pivot z
firmly fixed to the frame A¹.
The support B has, at its upper end, limbs B', joined to it by a cylindrical bolt E,
on which the limbs B' can be moved with an oscillatory motion.
For this purpose
the bolt has as projections two pivots D' and D¹, the axes of which do not coincide
with that of the bolt E, so that the body D E D may be called an excentric.
Horizontal bars F' connect the said pivots D' and D¹¹ with the pivots m of a female
screw M movable by turning the screw S. The same pivots of the female screw M
are connected with the lower ends of the limbs B', by means of oblique bars O
joined to pivots b¹ riveted or fastened otherwise to the ends of the aforesaid limbs.
One of the two pivots (D) of the excentric E is worked upon by a handle H
which makes it revolve round the (geometrical) axis of the bolt E. Through this
rotation the horizontal bars F receive an oscillatory movement round the pivots m
of the female screw M, and, while the latter is firmly held in position by the screw S,
the stay B, swinging on its pivot z, changes its position relative to the place of the
stay A.
The amount of the angular displacement of the stay B is determined by the angle
of rotation of the lever H. By this rotation the geometrical axis of the pivots D¹
and Du rotates round the geometrical axis of the excentric E. This latter rotation,
however, is not a simple one, but is combined with a motion of the geometrical
axis of the excentric E. For the latter axis is, at the same time, compelled to move

page_text: approximately horizontally through the length of the distance between both the
said geometrical axes, while the lever H describes an angle of approximately 90°.
And the same axis is compelled to move through the double of the said extent in
the time that the lever H describes an angle of 180°, provided that this axis, at the
beginning of its motion, was on a level with the geometrical axis of the pivots 1)¹
and D.
While this is going on, the limbs B¹ of the stay B, being held at their pivots b¹
by the oblique bars O, swing on the cylindrical bolt E, changing their position
relative to B, as is clearly visible in the Figure 2, which represents the case of the
greatest possible distance of the limbs B from the prop A, when the screw S has
not been brought into activity and the handle H moved upward (from the position
shown in Figure 1 to that shown in Figure 2).
The act of bringing the stay B, and at the same time, the limbs B' nearer 'the
prop A by turning the handle H in the requisite manner, produces an upsetting
effect on a piece of wrought iron U, fastened on the two props.
For the purpose of fastening such a metal piece to be upset by lateral pressure;
plates (2) firmly fixed on the immovable stay A. and (7) on the limbs B₁ of the
prop B, have side-walls (s, s¹ and s¹¹, ¹¹¹) and a movable plate (q, q') which, near
one of the side-walls (s, s¹) can be shoved more or less toward the interior of the
space between the two side-walls and adjusted in its place by screws (r, r), and at
the same time near the other side-wall (s¹, s111) a thumb or excentric g,.g is
fastened on a vertical axle on which a handle K, K¹ is firmly fixed. By means of
this handle the thumb or excentric g, g' is turned so as to engage the piece to be
upset, pressing the same against the movable plate (q, q¹).
After this description of the mechanism of our machine, its working can be easily
understood. At first the handle H is turned into such a position as to produce a
certain relative distance of the two stays A and B which is the greatest possible,
then the work-piece U, after being heated, is fastened on the plates p, p¹ by means
of turning the thumbs g, g. After this the handle H is turned in such a direction
as to bring the two plates p and p³ nearer each other, and the first upsetting process
is finished.
Then the handle H is turned back into its former position, while at the same time
the female screw M is displaced by turning the screw S, then the handle H may be
turned once more as aforesaid to produce a second upsetting effect, and so on.
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:-
An apparatus for upsetting a piece of iron or of other malleable metal, in which
one (1) of two stays gripping the said metal piece can be turned towards the other
one (A) by means of an excentric on one cylindrical part (E) of which a limb (B¹)
of the moving stay (B) is forced to swing relatively to the latter by means of one
of two bars forming an angle with one another at a removable pivot (m), whilst
the other bar is made to oscillate by a second part of the excentric rotating round
the axis of the first mentioned part (E).
F. H. HAASE,
Agent for the Inventors, Friedrich Tilly and Philipp Fischer.