Improvements in Apparatus for "Joggling" Angle, Tee, and like Bars.
Year: 1897

page_text: This Print is in accordance with the Original Specification as it stands after
Amendment (under Section 11 of the Patents, &c. Act, 1883) as required by
the decision of the Comptroller General of the 30th day of December 1897.
Date of Application, 11th May, 1897-Accepted, 12th June, 1897
COMPLETE SPECIFICATION (AMENDED).
Improvements in Apparatus for "Joggling" Angle, Tee, and
like Bars.
I, HUGH WILSON SMITH, of the Firm of Smith Brothers and Company,
Kingston Engine Works, Kinning Park, in the County of Renfrew, Engineers, 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:
―
This invention relates to apparatus of the class employed in conjunction with
hydraulic and other presses for effecting what is known as the " joggling" or
notching of iron or steel bars of angle, tee or like section, and it has for its object
to improve the construction of such apparatus and better adapt it for dealing with
varying thicknesses of bars and depth of notch therein.
In the accompanying drawings which illustrate the invention,
Figure 1 is a side elevation, Figure 2 an end elevation, Figure 3 a plan and
Figure 4 a vertical section as at the line 1-1 in Fig. 3 of the improved joggling
apparatus.
Figures 5, 6, 7 and 8 are respectively an end elevation, side elevation, plan, and
vertical section the last as at the line 2-2 in Fig. 7 of a modified form of the
apparatus.
Referring particularly to the modification illustrated by Figures 1, 2, 3 and 4 the
improved apparatus comprises a base piece or bolster A which is bolted or
otherwise secured on the bed of the hydraulic or other press and on which are
formed side cheeks A¹ and an end block A2. Between the side cheeks A¹ are
fitted two die blocks B, B', which rest the one B on an inclined seat C on the
bolster A and the other B on a wedge D similarly inclined and adapted to be
moved horizontally on the bolster base. The sliding movement of the wedge D is
effected by means of a screwed stud or bolt E passing through an orifice in a
saddle on the bolster and fitted with an adjusting nut G. The die blocks B, B',
are bound together by a vertical groove and feather bor like means which
constrains them to move on their inclined seats as a single block when approaching
or receding from the fixed end block A2 whilst independent vertical movement of
the one in relation to the other is provided for. The relative positions or levels of
the upper faces of the die blocks B, B', to suit the depth of notch or joggle to be
imparted to the angle or other bar is determined by the position of the wedge D
which is drawn outwards or pressed inwards to lower or raise the die block B₁.
In the operation of the improved joggling apparatus the angle bar is placed in
position with one web or leaf I lying between the fixed block A² and the side faces
of the die blocks B, 13, and the other web or leaf I' lying across the upper faces of
the die blocks, the end of the bar being pressed up into contact with an adjustable stop
plate H secured on the side of the bolster. To admit the bar the die blocks B, B₁₁

page_text: are drawn back from the fixed block A by means of the handle J, and when
released they slip back on the inclined seats until the side face of the block B,
which projects slightly beyond that of the block B, loosely grips the vertical web I
of the angle bar. Upon the application of pressure by the ram or acting die K of
the press, the die blocks B, Bi, are further pressed towards the fixed block A3 and
the web I of the angle bar is firmly grasped by the die block B, whilst beyond that
block the bar is free to yield under the pressure applied to it. To effect the
notching of the bar the ram or acting die of the press may be suitably stepped;
but by preference it is made flat and a loose plate or bar of the required thickness
is laid on the part of the angle bar directly over the die block B₁, so that when
pressure is applied, the angle bar is notched or joggled in the line of the joint of
the die blocks B and B and the depth of notch is equal to the difference of vertical
height of the upper faces of these blocks. In order to relieve the screw stud E
from the pressure, a filling piece or plate L is interposed between the end of the
wedge D and the saddle piece F' after adjustment of the wedge has been effected to
suit the depth of notch required.
The modification illustrated at Figures 5, 6, 7 and 8 differs from that above
described in respect that the block A2 in lieu of being stationary is movable upon
the base piece A and carries with it the inclined seat upon which the die block B
rests and the snug or saddle piece F from which adjustment of the wedge Dis
effected by the screw E. A lever handle is provided for drawing back the
block A to permit the insertion of the web of the angle bar between it and the side
faces of the die blocks B, B'. The latter are guided in their vertical movement by
feathers b, b, fitting in grooves in the side cheeks A'.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I am aware that it has been
previously proposed to construct the holster with a die block seated upon an
adjusting wedge actuated by a screw, and I do not claim generally such construe-
tion, but I declare that what I claim is:-
1. In apparatus for joggling or notching angle, tee and like bars the combination
with the bolster and stationary block A2 of the movable die blocks B, B', adapted
to slide upon inclined seats, one of which is adjustable in relation to the other to
vary the depth of notch substantially as described.
2. In apparatus for joggling or notching angle, tee and like bars, the combination
with the bolster, of the horizontally sliding block A² and the vertically movable
die blocks B, B', resting upon inclined seats on the block A2 and one of which
seats is adjustable in relation to the other to vary the depth of notch substantially
as described.
Dated this 10th day of 100%
WALLACE FAIRWEATHER,
Of the Firm of Cruikshank & Fairweather,
Chartered Patent Agents,
St. Vincent Street, Glasgow, Agent for the Applicant.