Improvements in Awls, Bradawls, Chisels, and like Instruments or Tools, particularly in Securing them to their Handles.
Year: 1892

page_text: Date of Application, 9th Nov., 1892
Complete Specification Left, 9th Aug., 1893-Accepted, 16th Sept., 1893
PROVISIONAL SPECIFICATION.
Improvements in Awls, Bradawls, Chisels, and like Instruments or
Tools, particularly in Securing them to their Handles.
JOHN BAINBRIDGE 18 St. Luke's Terrace, Pallion Sunderland, County Durham
Joiner do hereby declare the nature of this invention to be as follows:-
:―
It consists of a cap shaped ferrule of metal, having its lower edge turned slightly
inward, and the top end or crown having a hole corresponding in size to the neck
or stem of the awl, bradawl, chisel or other tool to be fixed; in the case of tools
having a round neck or stem, a small portion of it may be made square, as this is
preferable to prevent the tool from turning round in the handle. This cap-shaped
ferrule is divided into two parts, or they may be made separately. After the tool
is driven into the handle in the usual manner, the two halves of the cap shaped
ferrule are then placed round the neck of the handle having the top end over the
bolster or shoulder of the tool, and the lower edge which is turned inwards fits into
a groove previously turned in the handle. The usual hoop shaped ferrule having
been placed on the neck of the tool before it was driven into the handle, is then
driven on so as to encircle and tightly grasp and bind together the said cap shaped
ferrule. A pin or screw may then be passed or driven through both ferrules into
the wood of the handle, or the retaining hoop may be heated before it is passed on
to the cap shaped ferrule and so fasten itself by contraction, this being done the
blade is securely fixed to the handle, and will not draw out when in use.
Dated this Eighth day of November 1892.
JOHN BAINBRIDGE.
COMPLETE SPECIFICATION.
Improvements in Awls, Bradawls, Chisels, and like Instruments or
Tools, particularly in Securing them to their Handles.
I JOHN BAINBRIDGE, Joiner, of 18 St. Luke's Terrace, Pallion, Sunderland, in
the County of Durham 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 :-
The object of my invention is to secure the blades of tools to their handles; and
it consists of a cap or dome shaped ferrule of brass or other suitable metal; a
section of which is shown in Figure 1, on the sheet of drawings accompanying
this Specification.
A square hole is formed in the top or crown corresponding in size to the
neck or stem of the awl,. bradawl, chisel or other tool to be fixed. Figure 2
shows such a hole, and Figure 3 the neck and shoulder of a chisel at A. In
the case of tools usually having a round neck or stem I propose to make a
portion of it square at A, as it is preferable to prevent the tool from turning round
in the handle. The above mentioned cap or dome shaped ferrule is divided into
two parts at the dotted lines B C Fig. 1. After the tang of the tool is driven into
the handle in the usual manner, the two halves of the ferrule are placed round the
neck of the handle as shown at A. Figure 4. The square hole at the top or crown,
fitting round the neck and over the bolster or collar of the tool, and the base which
has its edge turned inward as shown in Figure 1 at A, fitting into a groove
previously prepared in the handle to receive it at D Figure 4. A hoop shaped
ferrule having been placed on the neck of the tool before the tang was driven into
the handle is driven down so as to encircle and tightly grasp and bind together
го

page_text: the two parts of the cap or dome-shaped ferrule which now form a clip or clutch
over the collar of the tool, thus the tool is held rigid and firm in the handle.
Instead of the base of the ferrule being turned into a groove in the handle it may
be fastened by a screw or pin driven through both ferrules into the wood of the
handle. The outside ferrule or ring may be heated before it is driven onto the two
parts of the inner ferrule and so fasten itself by contraction. The ferrule may be
made in various shapes on the crown or top if required.
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
1. An improvement in awls, bradawls, chisels and like instruments or tools, by
securing them to their handles substantially in accordance with the foregoing
Specification.
Dated thin 7th day of Au 1002
JOHN BAINBRIDGE.