IMPROVEMENTS IN OR CONNECTED WITH THE SHAFTS OF PICKS AND OTHER TOOLS
Year: 1886

page_text: other Tools.
I, AUGUSTUS EDWARD STAYNER, of Millhouses, Sheffield, Managing Director of
The Hardy Patent Pick Co Ltd, of Heeley, Sheffield, in the County of York do
hereby declare the nature of my invention for IMPROVEMENTS IN OR CONNECTED
WITH THE SHAFTS OF PICKS AND OTHER TOOLS 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 improved heads or sockets for shafts of picks and other
tools, and consists of the manner of forming them of any suitable metal capable
of being bent into the required shape and producing a uniformity of strength
throughout the structure not hitherto obtained by any other mode of construction.
In that class of heads or sockets where the blades are secured in a slot or loop, a
strip of metal is cut into a blank of the required shape so that when folded it forms
the head or socket, so as to give the greatest possible uniformity of strength to the
head to resist the strains to which it is subject.
The blank.when folded may be secured in its place where necessary by rivets or
by brazing.
The rivets may be seperate or formed by means of slits cut in the blanks,
which enable a portion to be bent at right angles to the surface of the blank and,
to pass through a hole cut to receive it in another portion of the blank.
In forming these blanks strips are provided for the purpose of folding inside
the head at right angles to the edges of the head and to rest upon the end of the
shaft so as to form a good bearing for the wedge which secures the blade in the
head to rest upon.
There is also a groove formed inside the head on each side of it a little above
the bed of the wedge and running parallel. with the wedge but not continuing
quite all the width of the head at one side and going all the way through to the
opposite edge. These grooves are to receive a pin which is fixed in the end of the
wedge and capable of sliding freely the whole length of the grooves for the purpose
of preventing the wedge falling out on one side of the head by means of the stop
at one end of the groove, a projection on the end of the wedge at the opposite end
to that in which the pin is fixed preventing it falling out on the other side.
This arrangement for securing the wedge in the head patented by me is more
fully described in Patent N° 6334 12th April 1884.
In two of these arrangements for forming the heads, the blanks are formed so
that when folded the edges come together at the sides and ends immediately below
the bed of the wedge, and in another arrangement the joint is at the side and top
of the head.
Another part of this invention relates to sockets on which is fitted the pick or
other tool usually made with an eye, and consists of forming them of strips of steel

page_text: or other suitable metal leaving a ridge formed on one side. When. these strips are
cut into blanks and bent to form the socket, the ridge projects inside the socket, so
as to give the socket a better grip on the shaft, and render them less liable to
become loose.
In order that the carrying out of this invention may be fully understood it is
illustrated on the accompanying sheet of drawings where the same letters of
reference on each view refer to the same detail part.
Figs. 1, 4, 7 represent blanks to form heads of that class where the blades are
secured in a slot or loop.
Figs. 2 & 3, are respectively a side and end elevation of fig. 1 folded to form
a head.
Figs. 5 & 6, are respectively a side and end elevation of fig. 4 folded to form
a head,
Figs. 8 & 9, are respectively a side and end elevation of fig. 7 földed to form
a head.
In figs. 2, 3, 5, 6 the edges of the blanks when folded come together at the sides J
and ends. K. K and may be secured by rivets as shown at K. K. and J or by pieces
formed by slits cut in the blanks as shown in figs. 7.8 & 9 at D. E. That part
which comes together at J may not overlap but come together with a butt joint,
which may be brazed or left ununited at pleasure.
Figa. 7, 8, 9 represent a blank and head arranged for the overlapping parts to be
at the top B. B. or at the side G, and united by means of pieces formed by slits cut
in the blank D passing through holes E in another part of the blank and clinched
or rivetted.
i
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Figs. 10, 11 represents a blank to form a socket of that class on which is fitted
the pick or other tool usually made with an eye. H is the rib or projection to give
the socket a better grip on the shaft.
The blank may be plain as shown by full lines, or perforated and slit as shown
by dotted lines.
In figs. 1, 4, 7 the parts J and G which are shown by dotted lines, may be left
off so as not to overlap at J¹ in figs. 2, 3, 5, 6 and at G in figs. 8, 9 thus leaving a
butt joint which may be brazed..
The overlapping parts may be united by brazing or by the device shown in
fige. 7, 8, 9 at D. E.
The portions of the blanks C. C are the parts folded inside the head, and resting
on the end of the shaft, to form a bed for the wedge to bear upon.
F in figs. 1, 2, 3, 4, 5, 6, 7, 8, 9 represents the slot for securing the wedge in the
head and more particularly described in my patent No 6334, 12th April A.D. 1884.
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:
1st Making blanks of the shapes shown in figs. 1, 4,7 either with or without the
portions J in figs. 1 and 4, and G in figures 7 & 8 substantially as specified and
illustrated in fige. 1, 4; 7.
2nd The device for fastening together the overlapping parts as specified, and
illustrated in figs. 7 & 8.
3rd Forming strips of steel and other suitable metal with a rib projecting on one
side as specified, and illustrated in figs. 10 & 11.
7.
Dated this 10th day of February 1886