Improvements in Breast Drills.
Year: 1895

page_text: Date of Application, 1st July, 1895
Complete Specification Left, 28th M-r., 1896-Accepted, 6th June, 1896
PROVISIONAL SPECIFICATION.
Improvements in Breast Drills.
WILLIAM PARKER FOX and THOMAS Fox trading as "Fox Bros." Delhi
Works, Henry Street, Sheffield in the County of Yorkshire Engineers' Tool
Makers do hereby declare the nature of this invention to be as follows:-
The stem we make hollow of steel or other suitable metal.
The nose we fit into a bush or sleeve, with or without ball bearings.
The bush or sleeve that carries said nose, we fit into one end of the hollow stem,.
said bush being fastened into the stem with a screw, pin, or other suitable manner.
The other end of hollow stem forms a receptacle for storing drills and extra
pairs of jaws. Outside of stem is threaded to receive one end of collar and to
other end of said collar we attach the head. Bracket to carry driving wheel,
slides on the stem and is fastened with a bolt and nut, said driving wheel being
made either with or without ball bearings, and engaging into pinion fastened on to
the nose.
End of nose carries chuck for holding drills.
In said chuck are two jaws which we make with teeth or projections engaging.
into each other, said teeth or projections having a groove down each centre to receive
the drille.
Dated this 29th day of June 1895.
WILLIAM PARKER FOX.
THOMAS FOX.
Improvements in Breast Drills.
WILLIAM PARKER FOX, and THOMAS Fox, trading as "Fox Bros." Delhii
Works, Henry Street, Sheffield in the County of Yorkshire Engineers' Tool.
Makers 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 stem A we make hollow of steel or other suitable metal.
Inside stem A we place a plug or stop B of any suitable material, forming stem A
into two compartments.
The nose we fit into a bush or sleeve D with or without ball bearings.
The bush or sleeve D that carries nose C we fit into one end of hollow stem A
and is fastened with a screw, pin, or other suitable manner, other end of hollow
stem A forms a receptacle E for storing drills or other small tools.
To outside of steni A we connect the head F which we make detachable in any
suitable manner.
Head being made of any suitable shape or material.
Bracket G to carry driving wheel I slides on the stem A and is fastened with a
nut and bolt H, said driving wheel I being made either with or without ball.
bearings and engaging into pinion J fastened on to the nose C.
End of nose C carries chuck K for holding drills when working.

page_text: In said chuck K are two jaws L which we make with teeth or projections
engaging into each other, said teeth or projections we make square across the jaw
or at any suitable angle, down the middle of each jaw L is a groove to hold and
centre the drills when at work. Handle lever M is fastened on to driving wheel I
by a nut and bolt N, said handle lever M is made with a large slot O to slide on
boss B of driving wheel I, and with a small slot R to slide on holding bolt N, thus
enabling us to shorten or lengthen the stroke of handle lever M.
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;
1st. Hollow stem A to receive at one end bush or sleeve D carrying nose C, and
at other end forming receptacle for storing drills etc., and receiving detachable
head F in the manner aforesaid described or any suitable modification of same.
2nd. Jaws L with teeth or projections as described, or any suitable modification
of same.
3rd. Handle lever M with large slot O and small slot R (or any suitable
modification of same) in combination with stem A, stop B, nose C, bush or
sleeve D, receptacle E, head F, bracket G, driving wheel I, nut and bolt H,
pinion J, chuck K, jaws L, nut and bolt N, and boss of driving wheel P, in the
manner as above described.
Dated this 27th day of March 1896.
WILLIAM PARKER FOX.
THOMAS FOX.