Improvements in Guiding Devices in Mills for Rolling Metal Bars.
Year: 1890

page_text: Date of Application, 26th Mar., 1890
Complete Specification Left, 23rd Dec., 1890-Accepted, 24th Jan., 1891
PROVISIONAL SPECIFICATION.
Improvements in Guiding Devices in Mills for Rolling Metal Bars.
I, JAMES GILLESPIE, Junior, of Airblis Street, Motherwell, in the County of
Lanark, North Britain, Roll Turner, do hereby declare the nature of this invention to
be as follows, that is to say --
'
My said invention has for its object to improve the construction and fastening
arrangements of guiding devices for mills for rolling metal bars.
In carrying out my invention I employ the usual cramp bar for carrying hori-
zontal guide pieces in the ordinary way. My invention relates specially to vertical
side guides or guide plates for guiding the bars laterally when being passed through
the rolls, and for holding these vertical guide plates I make the cramp bar with its
inner upper corner of a dovetail shape, and with a semicircular groove on its outer
vertical face. Each vertical guide plate is made with a deep indentation in its bottom
part or edge, this indentation fitting upon the top of the cramp bar and against the
dovetailed inner side thereof; and in the outer side of the indentation a semicircular
cavity is formed to be opposite the semicircular groove in the outer side of the cramp
bar. The vertical guide plates can be placed in any positions on the cramp bar;
and when placed each is fixed by a plug entered into the nearly circular hole formed
by the groove in the cramp har and the cavity in the vertical guide plate. The plug
is made with its halves slightly eccentric to each other, and on being turned partly
round acts as a wedge and firmly secures the vertical guide plate on the cramp bar.
Where extra strength and steadiness is required, the upper parts of the vertical
guide plates may be secured in a similar manner upon an upper cramp bar which
may be wedged in grooves or slots in the housings like the lower cramp bar.
Dated this Twenty-fifth day of March 1890.
EDMUND HUNT,
Applicant's Agent.
COMPLETE SPECIFICATION.
Improvements in Guiding Devices in Mills for Rolling Metal Bars.
1, JAMES GILLESPIE, Junior of Airblis Street, Motherwell, in the County of Lanark,
North Britain, Roll Turner, 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, that is to say :-
My said invention has for its object to improve the construction and fastening
arrangements of guiding devices for mills for rolling metal bars.
In carrying out my invention I employ the usual cramp bar for carrying hori-
zontal guide pieces or guards in the ordinary way. My invention relates specially
to vertical side guides or guide plates for guiding the bars laterally when being
passed through the rolls; and for holding these vertical guide plates I make the
cramp bar and other parts as shown on an accompanying sheet of explanatory
drawings and hereinafter particularly described.
Figures, 1, and 2, of the drawings are vertical and horizontal sections of a cramp
bar and vertical guide plate. Figures, 3, 4, and 5, drawn to a smaller scale show several
vertical guide plates in connection with rolls, Figure, 3, being an elevation, Figure, 4,
a plan and Figure, 5, a vertical section. In these drawings the same reference letters
are used to mark the same or like parts wherever they are repeated.
The cramp bar, A, is made with its inner upper corner, B, of a dovetail shape,
and with a semicircular groove, . on its outer vertical face.
Each vertical guide
plate, D, is made with a deep indentation in its bottom part or edge, this indentation
[ Price f/1

page_text: fitting upon the top of the cramp bar, A, and against the dovetailed inner
side. B. thereof; and in the outer side of the indentation a semicircular cavity, E,
is formed to be opposite the semicircular groove, C, in the outer side of the cramp
bar, A.
The vertical guide plates, D, can be placed in any position on the cramp bar, A,
and when placed each is fixed by a plug, G, entered into the nearly circular hole
formed by the groove, C, in the cramp bar, and the cavity, E, in the vertical guide
plate. The plug, G, is made with its halves slightly eccentric to each other, and
on being turned partly round acts as a wedge and firmly secures the vertical guide
plate, D, on the cramp bar, A. The plug, G, is made with a square projection at one
end for the application of a key to turn it by. The cramp bar, A, is made with a
groove, H, in its top to receive the heel of the ordinary horizontal guide or guard, J,
(shown in Figures, 3, 4, and 5).
Where extra strength and steadiness is required, and with deeper vertical guide
plates, K, the upper parts of the plates may be secured as shown in Figures, 3, 4,
and 5, in a similar manner upon an upper cramp bar, L, which may be wedged in
grooves or lots in the housings like the lower cramp bar, A. The upper cramp
bar, L, is of a dovetailed form and the top of the vertical guide plate, K, is made
with an indentation to fit it. A semicircular groove is made in the bar, L, and an
opposite semicircular cavity is made in the side of the indentation of the vertical
guide plate, K, to receive a fixing plug, M, like that, G, used with the lower cramp
bar, A.
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
1 claim is.
In mills for rolling metal bars employing improved guiding devices consisting of
plates fitted to dovetailed parts of cramp bars and fixed thereon by plugs made with
eccentric balves and engaging in semicircular grooves and cavities in the cramp bars
and plates, substantially as heroin before described.
Dated this Twenty-second day of December 1890
EDMUND HUNT,
Applicant's Agent.