Improvements in Machines for Shaping Nuts, Screw and Bolt Heads, and other similar Articles.
Year: 1896

page_text: Date of Application, 15th May, 1896
Complete Specification Left. 29th Jan., 1897-Accepted, 6th Mar., 1897
PROVISIONAL SPECIFICATION.
Improvements in Machines for Shaping Nuts, Screw and Bolt
Heads, and other similar Articles.
We, KIRBY BANKS, and EDWARD NICHOLS BANKS, both of Beeston Hill,
Leeds, in the County of York, Bolt and Screw Manufacturers, do hereby declare
the nature of this invention to be as follows:-
This invention has particular reference to that class of swivel holder or head-
stock described and shewn in Specifications of Patents No. 2051, A.D. 1887 and
No. 1409, A.D. 1892; and the object of our invention is to construct such headstocks
in such a mauner that double the amount of work may be performed in the same
amount of time, without materially increasing the wear and tear of the machinery.
According to our invention, each headstock is made elongated, and through the
said headstock at suitable distances apart, we pass two spindles, each of which
carries at its outer end a mandril for the reception of the nuts or other articles to
be shaped. These spindles are geared together by spur or other suitable gearing,
and the ordinary index or catch plate arrangement is provided in connection with
oue of the spindles only, so that by adjusting the index plate, both spindles are
adjusted simultaneously.
The tool box of the machine is provided with two cutting tools, their distances
apart being equal to that of the spindles in the headstock.
It will be readily understood that on the cutting tools being reciprocated,
work is performed at the two mandrils simultaneously, thereby effecting the desired
result.
The headstocks are screwed to the foundation plate, so that they may be
detached at will for adjusting or tightening the parts, or for other purposes.
Doted this 15th day of Mar 1806
BREWER & SON,
London and Leeds, Agents for the Applicants.
Improvements in Machines for Shaping Nuts, Screw and Bolt
Heads, and other similar Articles.
We, KIRBY BANKS, of 119 Beestou Hill, and EDWARD NICHOLS BANKS, of
100 Beeston Hill, Bolt and Screw Makers, both of Leeds, in the County of York,
do hereby declare the nature of this invention, aud in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement:-
This invention has particular reference to that class of swivel holder or head-
stock described and shewn in the Specificatious of Patents Nos. 2051/87, and
1409/92; aud the object of our invention, is to construct such headstocks in such

page_text: a manner that double the amount of work may be performed in the same amount
of time, without materially increasing the wear and tear of the machine.
In order that our invention may be clearly understood we will proceed to
describe same with reference to the accompanying drawing, in which similar letters
refer to like parts in both figures.
Figure 1, is a side elevation of a headstock constructed according to our invention,
and Figure 2 is an end view of same.
According to our invention, A is the headstock, the front portion of which is
broadened or extended to A', as seen at Figure 2. B is a spindle which passes
through bearings situated in the headstock A, and C is a second spindle which
passes through the extension A, and each of the said spindles carries on its outer
end, a mandrel for the reception of nuts or other articles to be shaped. The
spindles B and C are geared together by means of the spur gearing D, and E is
the ordinary index or catch plate arrangement, which is mounted on the spindle B.
The tool box of the machine, is provided with two cutting tools, their distances
apart being equal to that of the spindles in the headstock. The headstocks are
screwed to the foundation plate, so that they may be detached at will, for
adjusting or tightening the parts, or for other purposes.
It will be readily understood that on the cutting tools reciprocating, work is
performed at the two mandrils simultaneously, and as the two spindles B and C
are connected together by the spur gearing D, their movements are exactly
similar and the catch plate arrangement E fixes the two spindles in the required
positions.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is :-
1. In machines for shaping nuts, screw and bolt heads, and other similar articles,
a beadstock carrying two spindles which are geared together and are regulated
in their movement by a single catch plate, substantially as and for the purposes
set forth.
2. The headstock A with its extension A', the spindle B, spindle C, gearing D,
and catch plate arrangement E, substantially as and for the purposes set forth.
Dated this 20th day of January 1897.
BREWER & SON,
London and Leeds, Agents for the Applicants.