Improvements in Machine Tools employed in Manufacture of Sweeping Brushes and in Expanding Boring Bits.
Year: 1899

page_text: Date of Application, 15th Feb., 1899
Complete Specification Left, 15th Nov., 1899-Accepted, 23rd Dec., 1899
Improvements in Machine Tools employed in Manufacture of Sweeping
Brushes and in Expanding Boring Bits.
We, JOSEPIL RIDEAL. SMITH, of Craven Edge, Halifax, in the County of York,
Gentleman, and GEORGE DYSON BUCKLEY, of Town Hall Chambers, Halifax
aforesaid, Gentleman, do hereby declare the nature of this invention to be as
follows:
This invention relates to improvements in machine tools designed for cutting
and shaping the ends of brush handles, and shaping and cutting tapered holes
in the brush heads as described in Specification of Letters Patent No. 22303 of
the year 1897 granted to John Rideal Smith. The object of the present inven-
tion is to provide a simple and inexpensive tool for purpose aforesaid, and a part
of such invention, viz.-the cutter or borer, is applicable for other purposes
and uses where it is desired to form tapered holes or holes having a gradually
increasing diameter.
According to this invention we employ a shaft or spindle on which are fast
and loose pulleys driven from any convenient power. The spindle passes through
a cross bar or head the outer ends of which form guides for spindles carrying a
second cross head on which are rests or cradles for the back of the brush head to
be bored and spiral springs on the said spindles tend to force the cradle outwards
and away from the end of the spindle. In the centre of the second cross head
is a hole through which the improved boring tool or bit passes. The improved
boring tool consists of a centre bit with an expanding lip or cutter. The head to
be bored is placed in the cradle and pressed towards the spindle, the spiral springs
being compressed and the boring tool cuts a hole in the head, and as the second
cross head is forced backwards, the edge of the hole therein acts upon the expand-
ing lip or cutter which opens and cuts a hole of gradually increasing diameter.
For boring and sizing the end of the brush handle we employ a rest in which
is a removable bush, and the boring tool being removed from the spindle a
centre borer is placed therein, and thereon and around and concentric to same is
mounted a cutter head carrying a tool for turning the outside of the handle or
shaft. By this means both the outside of the handle is turned and the centre
hole bored and the brush handle end finished at one and the same operation.
A circular saw driven by spiral gear controlled by a clutch is provided for
cutting the saw gates in the end of the handle, a cradle or rest being fixed adja-
cent to the said saw for carrying the handle during the sawing operation.
The improved expanding boring tool can be used as a hand tool, a flanged ring
on the tool acting in lieu of the hole in the second cross head, such flanged ring
coming into contact with the edge or face of the hole being bored remains
stationary and expands the cutting lip. The expanding tool above described is
applicable generally for recess boring.
"
1000
BRIERLEY & HOWARD,
Penny Bank Chambers, Halifax, Agents for the Applicants.

page_text: Improvements in Machine Tools employed in Manufacture of Sweeping
Brushes and in Expanding Boring Bits.
+1
We, JOSEPH RIDEAL SMITH, of Craven Edge, Halifax, in the County of York,
Gentleman, and GEORGE DYSON BUCKLEY, of Town Hall Chambers, Halifax
aforesaid, Gentleman, 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:-
-
This invention relates to improvements in machine tools designed for cutting
and shaping the ends of brush handles, and shaping and cutting tapered holes
in the brush heads as and for the purpose described in Specification of Letters
Patent No. 22303 of the year 1897 granted to Joseph Rideal Smith. The object
of the present invention is to provide a simple and inexpensive tool for purpose
aforesaid, and part of such invention, v-the cutter or borer is applicable
for other purposes and uses where it is desired to form tapered holes or holes
having a gradually increasing diameter.
Such being the nature and object of our said invention, the following is a
complete description of same, reference being had to the accompanying drawings,
in which:-
Fig. 1 is a plan view of the improved machine tool for purpose aforesaid.
Fig. 2 is a sectional side elevation of the improved boring tool or bit and
means for operating same, the position of the cross head and rest being indicated
by dotted lines.
Fig. is a front elevation of the cross bar or head.
Fig. 4 is a sectional side elevation of the cross head.
Fig. 5 is a plan view of the rest, being the lower part of the cross head.
Fig. 6 is an end sectional elevation, and
Fig. 7 is a side sectional elevation of the saw and appliances for cutting the
saw gates in the end of the handle.
Fig. 8 is a sectional side elevation of the boring and sizing tool.
Fig. 9 is an end sectional view of the rest.
According to this invention (referring to Sheets 1 and 2 of the drawings) wer
employ a shaft or spindle 1 on which are fast and loose pulleys 2, 2 driven from
any convenient power. The spindle 1 passes through a cross bar or head' 3 the
outer ends of which form guides and supports for spindles 4, 4 carrying a second
cross head 5 on which are rests or cradles 6, 6 for the back of the brush Head to
be bored, and spiral springs 7, 7 on the said spindles 4; 4 tend to force the
cradle 6 outwards and away from the end of the spindle 1. In the centre of the
second cross head 5 is a hole 8 through which the improved boring tool or bit*9*
passes. The improved boring tool 9 consists of a centre bit 10 with an expand-
ing lip or cutter 11' mounted on the pivot 12' in the slot'or groove 13 in which is
a spring 14 tending to force out the tail 15 of the cutter 11. The head to be
bored is placed in the cradle and pressed towards the spindle 1 the spiral
springs 7, 7"being compressed and the boring tool 9 cuts a hole in the head, and
as the second cross héad 5 is forced backwards the edge of the hole 8 therein
acts upon the tail '15'of the expanding lip or cutter 11 compressing the spring 14
and the opposite cutting end of the cutter 11 open's and cuts a hole of gradually
increasing diameter.
..T
ST
For internally boring-and-sizing..the end of the brush handle we remove the
cross head and appurtances and employ a rest 17 (see Figs. Sand 9) in which
is a reinovable bush 18, and the boring tool 11 being removed from the spindle 1

page_text: a centre borer 19 is placed therein and placed on the spindle 1 and around and
concentric to the borer 19 is mounted a cutter head 20 carrying a tool 21 for
turning the outside of the handle or shaft. By this means both the outside of
the handle is turned and the centre hole bored and the brush handle end finished
at one and the same operation.
A circular saw 22 is mounted on a cross shaft 24 driven by spiral gear 23 and
controlled and thrown in and out of gear by a clutch 25 and lever 26. The
saw 22 is provided for cutting the saw gates in the end of the handle, a cradle
or rest 27 being fixed adjacent to the said saw 22 for carrying the handle during
the sawing operation. 28 is a stop piece or boss on each side of the saw 22
which prevents the handle being pushed beyond a certain point and so governs
the length of the saw gate.
In the cradle or rest 27 is a bell mouthed feed and holding device 29 in which
the end of the brush handle to be cut is inserted and brought into contact with
the saw 22 which works through a slot or saw gate 30 in the holding device 29.
The holding device ensures the saw gate being cut in the centre of the
end of the handle, and in order to cut the second and cross saw gate at a
right angle thereto, there are two spring guides 31, 31 one at each side of the
cradle 27 and the ends of these enter the saw gates first cut and ensure the next
being cut at right angles thereto. When the end of the handle is inserted in
the bell mouthed holder 29 it is pushed towards the saw 22 and the carriage or
rest 27 moves forwards until the saw 22 is in approximately the position indi-
cated by the dotted lines (see Fig. 7) and the saw gate is cut. When the brush
handle is withdrawn the spiral spring 32 returns the rest and cradle to its
normal position.
The improved expanding boring tool 9 can be used as a hand tool, a flanged
ring on the tool 9 acting in lieu of the hole in the second cross head 5, such
flanged ring coming into contact with the edge or face of the hole being bored
remains stationary and expands the cutting lip 11 as described. The expanding
tool above described is applicable generally for recess boring.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed, we declare that what
we claim is:
-
(1) The general construction, arrangement, and combination of parts consti-
tuting the improved boring tool or appliance as and for the purpose herein
described and substantially as illustrated by Figs. 1 and 2 of the annexed
drawings.
(2) The general construction, arrangement and combination of parts consti-
tuting the improved boring and cutting tool or appliance as and for the purpose
herein described and as illustrated by Figs. 12 and 8 of the annexed drawings.
(3) The expanding boring tool 9 comprising the centre bit 10 and the expand-
ing cutter 11 pivoted at 12 and provided with a tail 15 in combination with a
cross head 5 and hole 8 as and for the purpose herein described and substantially
as illustrated by Figs. 1 and 2 of the annexed drawings.
(4) The cradle or rest 27 bell mouthed holding device 29 with saw gate 30 and
the spring guides 31, 31 all in combination as and for the purpose herein
described and substantially as illustrated by Figs. 1, 6 and 7 of the annexed
drawings.
Date T
L
1
JOSEPH RIDEAL SMITH.
GEORGE DYSON BUCKLEY.
By their Agents,
Brierley & Howard,
Penny Bank Chambers, Halifax,