IMPROVEMENTS IN ATTACHING DOOR AND OTHER KNOBS OR HANDLES TO THEIR SPINDLES."
Year: 1880

page_text: LETTERS PATENT to Henry Payton, of Birmingham, in the County of
Warwick, Manufacturing Jeweller, and William Seager Dackus, of Balsall
Heath, in the County of Worcester, Tool Maker, for an Invention of
"IMPROVEMENTS IN ATTACHING DOOR AND OTHER KNOBS OR HANDLES TO
THEIR SPINDLES."
PROVISIONAL SPECIFICATION left by the said Henry Payton and William
Seager Dackus at the Office of the Commissioners of Patents on .the
24th December 1880.
HENRY PAYTON, of Birmingham, in the County of Warwick, Manufacturing
Jeweller, and WILLIAM SEAGER DACKUS, of Balsall Heath, in the County of
Worcester, Tool Maker. "IMPROVEMENTS IN ATTACHING DOOR AND OTHER KNOBS
OR HANDLES TO THEIR SPINDLES."
Our Invention consists in attaching door and other knobs or handles to their
spindles in the manner herein after described, whereby the attachment is effected in
a simple and efficient manner, and the use of neck screws or other detachable
fastenings is dispensed with.
We will describe our Invention as applied to the attachment of a metallic door
knob to its spindle.
We use a square unscrewed hollow or tubular spindle, that portion of the
spindle upon which the knob is to be fixed being split or divided longitudinally at
opposite sides, the dividing slots being either parallel or slightly tapering from the
extreme end towards the middle of the spindle. The end part of the hollow
spindle is thereby converted into an elastic fork.
Instead of using a square hole in the busts of the knob for receiving the end of
the square spindle as usual, we divide the square hole in the bush of the knob by a
division or partition into two equal parts, the figure of the said parts in the bush
corresponding to that of the elastic forked end of the spindle.
In attaching the knob to the spindle, the spindle is passed through the door and
lock or latch as usual, the elastic forked end projecting from the door. Upon the

page_text: said elastic forked end of the spindle the knob is passed, the division or partition
of the square hole in the bush taking into the tapering slots on opposite sides of
the spindle. By driving or forcing the knob on the spindle into the required
position the elastic forked end of the spindle is expanded in the divided hole in
the bush by the action of the division or partition described on the slots, and the
expanded forked end of the spindle so tightened in the bush as to attach the knob
to the spindle with great firmness; the greater the distance the knob is forced onto
the spindle the tighter will be the grip of the bush upon the spindle. Thus the
mere driving forward of the knob onto the end of the spindle ensures the secure
attachment of the knob to the spindle, thereby rendering unnecessary the ordinary
neck screws or other detachable fastenings.
In order to remove the knob it is necessary to exert sufficient force to overcome
the resistance offered by the expanded forked end of the spindle when the said
knob slides from off the spindle.
Both knobs may be attached to the spindle in the manner described.
Instead of making the divided square hole in a separate bush fixed in the
neck of the knob, the said divided square hole may be cast or formed in the neck
itself.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Henry Payton and William Seager Dackus in the Great Seal Patent
Office on the 17th June 1881.
HENRY PAYTON, of Birmingham, in the County of Warwick, Manufacturing
Jeweller, and WILLIAM SEAGER DACKUS, of Balsall Heath, in the County of
Worcester, Tool Maker. "IMPROVEMENTS IN ATTACHING DOOR AND OTHER KNOBS
OR HANDLES TO THEIR SPINDLES."
Our Invention consists in attaching.door and other knobs or handles to their
spindles in the manner herein after described, whereby the attachment is effected
in a simple and efficient manner, and the use of neck screws or other detachable
fastenings is dispensed with.
We will describe our Invention as applied to the attachment of a metallic door
knob to its spindle.
We use a square unscrewed hollow or tubular spindle, that portion of the spindle
upon which the knob is to be fixed being split or divided longitudinally at opposite
sides, the dividing slots being either parallel or slightly tapering from the extreme
end towards the middle of the spindle. The end part of the hollow spindle is
thereby converted into an elastic fork.
Instead of using a square hole in the bush of the knob for receiving the end of
the square spindle as usual, we divide the square hole in the bush of the knob by a
division or partition into two equal parts, the figure of the said parts in the bush
corresponding to that of the elastic forked end of the spindle.

page_text: In attaching the knob to the spindle, the spindle is passed through the door and
lock or latch as usual, the elastic forked end projecting from the door. Upon the
said elastic forked end of the spindle the knob is passed, the division or partition of
the square hole in the bush taking into the tapering slots on opposite sides of the
spindle. By driving or forcing the knob on the spindle into the required position
the elastic forked end of the spindle is expanded in the divided hole in the bush
by the action of the division or partition described on the slots, and the expanded
forked end of the spindle so tightened in the bush as to attach the knob to the
spindle with great firmness; the greater the distance the knob is forced onto the
spindle the tighter will be the grip of the bush upon the spindle.
Thus the mere
driving forward of the knob onto the end of the spindle ensures the secure attach-
ment of the knob to the spindle, thereby rendering unnecessary the ordinary neck
screws or other detachable fastenings.
In order to remove the knob it is necessary to exert sufficient force to overcome
the resistance offered by the expanded forked end of the spindle when the said
knob slides from off the spindle.
Both knobs may be attached to the spindle in the manner described.
Instead of making the divided square hole in a separate bush fixed in the neck
of the knob, the said divided square hole may be cast or formed in the neck itself.
We will now proceed to describe with reference to the accompanying Drawing
the manner in which our Invention is to be performed.
Figure 1 represents in side elevation, partly in section, a pair of metallic door
knobs or handles attached to their spindle according to our Invention; Figures 2
and 3 represent sections, and Figure 4 represents an end elevation of one of the
knobs detached. The sections, Figures 2 and 3, are taken in planes at right angles
to one another. Figure 5 represents the spindle detached; Figure 6 represents the
bush of the knob detached; and Figure 7 represents the division or partition bar
of the bush detached.
The same letters of reference indicate the same parts in the several Figures of
the Drawing.
a is the hollow or tubular spindle, and a³, a³, are the elastic forked ends of the
spindle, the said forked ends being made by splitting or dividing the ends
longitudinally at opposite sides, or making longitudinal slots in the said ends at
opposite sides (see the end elevation of Figure 5). The slots represented are
parallel, but they may be made slightly tapering from the extreme end towards
the middle of the spindle. b is the division or partition which divides the square
hole in the bush c of the knob into two parts (see Figure 4). The said division or
partition b consists of a slightly tapering or wedge shaped bar, the narrow end
being situated at the front of the knob, a cross depression & being made in the bush c
to receive the said bar. The said bar b is fixed in its place in the bush c by the
closing of the sheet metal which forms the neck of the knob around the said bush
so as to fix the said bush in its place, as seen in the sections, Figures 1, 2, and 3.
The dividing or cross bar b may be provided with a middle piece, as seen in Figure 7,
and marked b². This middle piece 6 when the bar b is laid in the depression & in
the bush divides the square hole in the bush from end to end. Or the cross bar b
dividing the square hole in the bush c may be made in one piece with the bush, or
the said bar may be made in the neck of the knob when a separate bush is not
used, but we prefer to make the bar separately, as represented in the Drawing.
In attaching the knob to the spindle, the spindle is passed through the door and
lock or latch as usual, the elastic forked end a² of the spindle projecting from the
door. On the said elastic forked end a² the knob is passed, the division or partition
bar b passing into the slots on opposite sides of the spindle. By driving or
forcing the knob on the spindle into the required position the elastic forked end of
the spindle is expanded in the divided hole in the bush c by the action of the taper
or wedge like partition bar b, and the expanded forked end is thereby so tightened
in the bush as to attach the knob to the spindle with great firmness and without
the use of neck screws, as seen in Figure 1.

page_text: By this arrangement the mere driving forward of the knob onto the end of the
spindle ensures the secure attachment of the knob to the spindle.
By exerting sufficient force to overcome the resistance offered by the expanded
forked end of the spindle the knob slides off the spindle.
One or both knobs may be attached to the spindle in the manner described and
illustrated.
In applying our Invention to china or non-metallic knobs we secure the dividing
bar b in a cross depression in the metallic mount which is attached to the neck end
of the china or non-metallic knob.
Having now described the nature of our Invention, and the manner in which
the same is to be performed, we wish it to be understood that we claim as our
Invention the improvements in attaching door and other knobs or handles to
their spindles herein before described and illustrated in the accompanying Drawing,
that is to say, the combination of an elastic fork ended spindle of the kinds
described and illustrated with a dividing bar b in the bush or neck of the knob or
handle, the said bar b dividing the square hole in the bush or neck into two parts,
the driving or forcing of the knob or handle on the spindle causing the dividing
bar described to expand the elastic forked end of the spindle into the bush or neck
and thereby attach the knob or handle to the spindle, substantially as described
and illustrated.
In witness whereof, we, the said Henry Payton and William Seager Dackus,
have hereunto set our hands and seals, this Fourteenth day of June, in
the year of our Lord One thousand eight hundred and eighty one.
Witness,
RICHARD SKERRETT,
37, Temple Street,
Birmingham.
HENRY PAYTON.
(L.S.)
WILLIAM SEAGER DACKUS. (L.S.)