Improvements in Hammers, Picks, and other similar Tools.
Year: 1895

page_text: Date of Application, 28th Nov., 1895
Complete Specification Left, 28th Aug., 1896-Accepted, 14th Nov., 1896
PROVISIONAL SPECIFICATION.
Improvements in Hammers, Picks, and other similar Tools.
ISAAC BOUL of 37 Newmarket Street Grimsby in the County of Lincoln
Blacksmith do hereby declare the nature of this invention to be as follows:-
Improvements in hammers, picks and other similar tools for use in the brick-
laying and kindred trades.
The hammer or pick is made in two or three pieces irrespective of the handle.
The one in two pieces has the ordinary terminal at one end and a detachable
portion at the other sharp or otherwise as the trade may require the detachable
One method
portion being secured by a spring, key setscrew or by other means.
by which I secure the detachable portion is this
It is made with a tongue end which fits into a socket made in the head of the
tool a spring passes through the side of the socket and fits into a slot in the tougue,
or instead of a spring a key passes through the socket and tongue and is secured by
a setscrew.
Another method-the tongue fits into a V slot in the tool head and is secured by
a setscrew. The tool made in three pieces has a detachable portion at each end
which are secured to the head by the same means.
In the two methods I have described the mode of fixing can be reversed by in
the first method placing the socket and spring or the key and set-screw as the case
may be in the detachable portion and the tongue end in the head of the tool, in the
second method by placing the V slot and set screw in the detachable portion and
the tongue end in the head of the tool.
The object attained is that the worn portions of the tool can be replaced without
delay by the removal of the worn portion and the attachment of a new detachable
portion or portions as described.
Dated this Tmanter anseonth day of November 1805
COMPLETE SPECIFICATION.
Improvements in Hammers, Picks, and other similar Tools.
ISAAC BOUL of 37 Newmarket Street, Grimsby in the County of Lincoln,
Blacksmith 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 :-
Improvements in hammers, picks or similar tools for use in the bricklaying and
kindred trades.
The hammer or pick is made in two or three pieces irrespective of the handle.
The one in two pieces has the ordinary terminal at one end and a detachable
portion A (Fig. 2) at the other, sharp or otherwise as the trade may require.
The detachable portion being secured by a spring, B (Fig. 2) key C, (Fig. 1) or
set screw D (Fig. 3) or by other means.

page_text: One method by which I secure the detachable portion is this:-It is made with a
tongue end E (Fig. 2) which fits into a socket F (Fig. 2) made in the head of the
hammer or pick or tool, a spring B (Fig. 2) passes through the side of the
socket H (Fig. 2) and fits into a slot G (Fig. 2) in the tongue, or instead of a
spring, a key (Fig. 1) passes through the socket and the tongue and is secured
with a nut J (Fig. 1) as shown on Sheets Nos. 1 and 2.
Another method:-The tongue fits into a V slot K (Fig. 3) in the tool head and
is secured by a set screw D (Fig. 3).
The tool made in three pieces has a detachable portion at each end which are
secured to the head by the same means.
In the two methods I have described the mode of fixing can be reversed by, in
the first method, placing the socket and spring or the key and nut as the case may
be in the detachable portion and the tongue end in the head of the tool; in the
second method by placing the V slot and the set screw in the detachable portion
and the tongue end in the head of the tool.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:
That the worn portions of the tool can be instantly renewed by the removal of
the worn portion and the attachment of a new detachable portion or portions as
described.