Metal or other substances.
Year: 1888

page_text: Date of Application, 4th May, 1888
Complete Specification Left, 28th Jan., 1889
Complete Specification Accepted, 2nd Mar., 1889
Metal or other substances.
THOMAS HATELEY of High Street, Green Heath, in the parish of Hednesford, in
the County of Stafford, Foreman Engineer, do hereby declare the nature of this
invention to be as follows:-
:-
My invention consists of a contrivance or arrangement of machinery for Tapping
or screwing holes in metal or other substances.
on a specially
Attached to the framework of an ordinary drilling machine or
constructed frame, I employ a spindle revolving in two suitable bearings, this spindle
having a feather or parallel key attached to it throughout its length between the two
bearings.
double bevil friction
On this spindle and feather slides a double cone, or
pulley, this friction pulley is caused to slide in either direction by means of a
hand lever, or other mechanical appliances in a convenient position for the operator.
Under and capable of gearing with the double friction pulley is arranged a bevil
friction disc. This disc has an extra deep nave. or boss, and revolves in a suitable
bearing attached to the aforementioned frame work.
Under this bevil friction disc are placed two support rollers which carry the weight
of the Disc and are employed for the purpose of reducing friction.
Through the boss of the bevil friction disc passes a spindle. This spindle has a
parallel key or feather inserted in it which transmits motion to the spindle from the
driven bevil friction Disc. At the opposite and lower end of this spindle a chuck or
holder is fixed by means of which a tap or other screwing instrument may be attached
and which receives its revolving motion from the spindle, and its vertical motion from
the hand lever, this spindle is balanced by weight or spring and is moveable in a vertical
direction by nieans of a hand lever or other mechanical appliance in a convenient
position for the operator.
1000

page_text: COMPLETE SPECIFICATION.
Improvements in Machinery for Tapping or Screwing Holes in
Metal or other Substances.
I THOMAS HATELEY Foreman Engineer, High Street, Green Heath, Parish of
Hednesford, County of Stafford, 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 :-
My invention consists of a contrivance or arrangement of machinery for tapping or
screwing holes in metal or other substances.
Attached to the frame work of an ordinary drilling machine or on a specially
constructed frame 1 employ a spindle as shewn at "a" (sheet 2 and 3) revolving in
two suitable bearings as shewn at "6" (sheets 1 and 2) this spindle having a feather
or parallel key as shewn at " (sheet 2) attached to it throughout its length between
the two bearings "."
C
"
وو
On this spindle "d" and feather",
C as before described slides a double cone or
bevelled friction pulley as shewn at "d." "d" (sheets 1, 2 and 3) this friction pulley
is caused to slide in either directions by means of a hand lever as shewn at "e" (sheet 1)
in a convenient position for the operator.
Under and capable of gearing with the double friction pulley "d" is arranged a
bevil friction disc as shown at "f" (sheets 1, 2 and 3) this disc has an extra deep
nave or boss as shewn at "g" (sheet 2) and revolves in a suitable bearing as shewn
at "n" (sheets 1 and 2) which bearing is attached to the framework before
mentioned.
Under this bevil friction disc "f" are placed two support rollers as shewn at "i"
(sheets 1 and 2) which carry the weight of the disc f and are employed for the
purposes of reducing friction, through the boss or nave "g" of the bevil friction
disc ""passes a spindle as shewn at "j" (sheets 1 & 2) this spindle j has a parellel
key or feather as shewn at "k" (sheet 2) inserted in it which transmits motion to the
spindle "j" from the driven bevil friction disc "f"
29
At the opposite or lower end of this spindle "j" a chuck or holder as shewn "1"
(sheets. 1 and 2) is fixed by means of which a tap or other screwing instrument may
be attached as shewn "
3 (sheet 1 and 2) and which receives its revolving motion
from the spindle "j" as before described and its vertical motion from the hand
lever " m "(sheets 1, 2 and 3).
The spindle is balanced by weights or springs attached to lever "m" as shewn
at "n" (sheets 1, 2 and 3) and the spindle "j" is moveable in a vertical direction

page_text: by the hand lever ".
operator.
"
m before described placed in a convenient position for the
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
1. The driving of taps by conical bevil friction rollers and disc in combination with
the hand levers, for raising and lowering the tapping spindle, and for reversing the
direction of rotation of the tap or screwing tool, as herein particularly described and
illustrated by the drawings.