Various Purposes.
Year: 1886

page_text: Date of Application, 21st May, 1886.
Complete Left, 3rd Feb., 1887.
Complete Accepted, 4th Mar., 1887.
for Various Purposes.
I JOHN CLARKE JOHNSON of No. 19 Bridge Street Wednesbury in the County of
Stafford Manager of Works do hereby declare the nature of this Invention to be as
follows:-
My invention has reference principally to iron telegraph posts but is also applicable
to poles and posts for various purposes such for example as signal posts and flag staffs.
I will describe my invention in connection with a telegraph pole.
I make the telegraph pole ordinarily of two parts the part constituting the lower
part of the finished pole being made preferably of cast iron and the other part con-
stituting the upper part of the pole being made preferably of wrought iron. Both
parts of the pole are hollow or tubular.
The lower part of the pole is preferably cylindrical without and also for the greater
part of its length within and has at bottom a flange or foot for convenience in fixing
it. The upper open end of the said lower part is strengthened by a strong wrought iron
ring being shrunk upon it. The inside of the open top of the said lower part is
slightly conical the diameter diminishing from the top to a shoulder or ring about six
inches from the top on which shoulder or ring the lower end of the upper part of the
pole rests when the two parts are put together. A tapering of somewhat larger
diameter than that described is made in the lower part extending about two inches
from its top.
The upper part of the pole is made preferably of light wrought iron tubing and is
cylindrical at its lower part but at a distance of about two feet from its bottom a
tapering sets in and continues to the top. The lower end of the upper part is inserted
in the top of the lower part and rests upon the shoulder or ring described. As its
external diameter is the same as the internal diameter of the lower part iminediately
above the shoulder the bottom end of the upper part fits the lower part tightly.

page_text: Owing to the taper described in the interior of the lower part an unoccupied
annular space is left between the upper and lower parts when the upper part has
been inserted in the lower part in the manner described. Into this annular space a
tapering divided ring capable of a slight expansion and contraction is driven. The
said tapering ring constitutes an annular wedge its outer inclined face bearing against
the inclined inner face of the top of the lower part and its inner cylindrical face
bearing against that portion of the upper part situated at the top of the lower part.
By driving home the said tapering ring the upper and lower parts of the telegraph
pole can be firmly fixed together.
Where necessary or desirable the pole or post may be made in three or more parts
in which case the junction of the parts is effected in the manner substantially as herein
before described.
W. T. WHITEMAN..
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Metallic Telegraph Poles, and Poles and Posts
for Various Purposes.
I JOHN CLARKE JOHNSON of No. 19 Bridge Street, Wednesbury in the County of
Stafford, Manager of Works do hereby declare the nature of my Invention and in
what manner the same is to be performed to be particularly described and ascertained
in and by the following statement :—
My invention has reference principally to iron telegraph poles but is also applicable
to poles and posts for various purposes such for example as signal posts and flag staffs.
I will describe my invention in connection with a telegraph pole.
I make the telegraph pole ordinarily of two parts the part constituting the lower
part of the finished pole being made perferably of cast iron and the other part
constituting the upper part of the pole being made perferably of wrought iron. Both
parts of the pole are hollow or tubular.
The lower part of the pole is preferably cylindrical without and also for the greater
part of its length within and has at bottom a flange or foot for convenience in
Hixing it. The upper open end of the said lower part is strengthened by a strong
wrought iron ring being shrunk upon it. The inside of the open top of the said lower
part is slightly conical the diameter diminishing from the top to a shoulder or ring
about six inchies from the top on which shoulder or ring the lower end or the upper
part of the pole rests, when the two parts are put together. A tapering of somewhat
larger diameter than that described is made in the top of the lower part extending
about two inches from its top.

page_text: The upper part of the pole is made preferably of light wrought iron tubing and is
cylindrical at its lower part but at a distance of about two feet from its bottom a
tapering sets in and continues to the top. The lower end of the upper part is inserted
in the top of the lower part and rests upon the shoulder or ring described.
As its external diameter is the same as the internal diameter of the lower part
immediately above the shoulder the bottom end of the upper part fits the lower part
tightly.
Owing to the taper described in the interior of the lower part an unoccupied annular
space is left between the upper and lower parts when the upper part has been inserted
in the lower part in the manner described. Into this annular space a tapering
divided ring capable of a slight expansion and contraction is driven. The said
tapering ring constitutes an annular wedge its outer inclined face bearing against the
inclined inner face of the top of the lower part and its inner cylindrical face bearing
against that portion of the upper part situated at the top of the lower part. By
driving home the said tapering ring the upper and lower parts of the telegraph pole can
be firmly fixed together.
Where necessary or desirable the pole or post may be made in three or more parts
in which case the junction of the parts is effected in the manner substantially as herein
before described.
Figure 1 of the accompanying Drawings represents in vertical section a portion of
a metallic telegraph pole made according to my invention and Figure 2 represents in
plan the foot of the said pole; Figure 3 represents in elevation and Figure 4 in
vertical section a portion of the pole Figures 1 and 2 drawn to a larger scale; Figure 5
represents in elevation the upper and lower parts of the pole separated Figure 6
represents the tapering divided ring used for connecting the upper and lower parts of
the pole together.
The same letters of reference indicate the same parts in the several Figures of
the Drawings.
a is the upper part of the telegraph pole which may be of any desired length. The said
upper part a is made of a light wrought iron tube and is cylindrical at its lower end
but at a distance of about two feet from its bottom a tapering sets in and continues to
the top. The cylindrical lower portion of the upper part of the pole is only
represented in the drawing but the upper part of the pole may be made of a tube
tapering from top to bottom as shown in the pole hereinafter described.
bis the lower part or base of the pole to which the upper part a is secured and by
which it is supported, nearly the whole of the base part being embedded in the
ground and being fixed in its place by the foot or flange a bolted to the said base
part, the said foot or flange consisting of a wrought iron buckle plate but other kinds
of feet may be used and the lower part or base of the pole may be so constructed that it
may be driven into the ground as herein after described. The lower part or base b
of the pole is made by preference of cast iron but it may be made of a wrought
iron tube.
The upper open end of the base of the telegraph pole is strengthened by the
strong wrought iron ring & being shrunk upon it. By an examination of the
sections Figures 1 and 4 it will be seen that at a short distance from the open
top of the lower part or base of the pole a strong internal horizontal shoulder e
is formed upon which shoulder the lower end of the upper part a of the pole
rests. It will also be seen that the inside of the open top of the lower part or
base is conical at the upper part of the said conical opening being somewhat
more tapered than the lower part at . The enlarged taper part at is of a size
suitable for receiving the tapering divided ring or annular wedge h, represented
separately in Figure 6, for fixing the two parts a and b of the pole together.
The said ring or annular wedge his capable of a slight expansion and contraction.
Its inner face is cylindrical and its outer face inclined (see the section Figure 4).
After the lower part or base of the pole has been fixed in the ground the fixing
ring is passed the required distance onto the lower end of the upper part a of the
pole as represented in Figure 5 and the said lower end of the pole is dropped into the

page_text: conical upper end fy in the base part, the bottom of the upper part a of the pole
being supported upon the horizontal internal shoulder e, an unoccupied annular space
being left between the upper and lower parts of the pole as seen in the section
Figure 4. The tapering divided ring which had been previously placed on the
lower end of the upper part a of the pole is now driven into the larger conical space
between the two parts of the pole. By the driving home of the conical ring or annular
wedge its outer inclined face bears against the inclined inner face of the top g and
its inner cylindrical face against that portion of the upper part a of the pole situated
in the top of the lower part or base . The two parts of the pole are in this way
firmly fixed together. Figure 7 represents a telegraph pole in which the lower part or
base is tapered and pointed for driving it by percussion into the ground the two
parts a, b of the pole being secured together by the driving home of the taper divided
ring as before described. The enlarged tapering party at the top of the lower part
or base besides receiving the fixing tapering ring is also used for receiving a plug
carrying the guide rod on which the hammer or weight used for driving the pointed
base part into the ground slides; but I wish it to be understood that I do not limit
myself to any particular construction in the lower part or base of the pole for fixing it
in the ground.
When the pole is made in three or more parts the several parts are joined together
by providing the upper part or mouth of the larger or lower part with the internal
supporting shoulder and tapering part and the smaller or upper part with a tapering
fixing ring or annular wedge as before described and illustrated.
Having now particularly described and ascertained the nature of my invention and
the manner in which the same is to be performed I declare that what I claim as my
invention of "Improvements in metallic telegraph poles and poles and posts for various
purposes."
The construction and combination of the parts herein before described and
represented in the accompanying Drawings for supporting the upper hollow or
tubular part of the pole or post in the lower hollow or tubular part or base and
for connecting the two parts together, or for connecting together the several hollow or
tubular parts of which the pole or post may be composed, as hereinbefore described
and illustrated in the accompanying Drawings; that is to say, making in the upper
part of the base or larger part of the pole or post an internal horizontal shoulder for
supporting the bottom of the upper or smaller part of the pole or post and making the
inside of the upper part of the base or larger part taper for receiving a taper divided
ring or annular wedge by which the two parts of the pole or post are fixed together
substantially as described and illustrated.
JOHN CLARKE JOHNSON.