Improvements in or connected with the Metallic Covers of Tobacco Pipe Bowls.
Year: 1894

page_text: Date of Application, 20th Jan., 1894
Complete Specification Left, 12th Feb., 1894-Accepted, 17th Mar., 1894
PROVISIONAL SPECIFICATION.
Improvements in or connected with the Metallic Covers of Tobacco
Pipe Bowls.
I THOMAS MORTON, of Lodge Road, in the City of Birmingham, Tool Maker,
do hereby declare the nature of this invention to be as follows:-
This invention relates to an improved combination with the bowl of tobacco pipes,
of an adjustable metallic cover made after the manner hereinafter described and in
the construction and adaptation of the said cover.
It consists primarily of a cover or mount made in such a manner that shall
allow of adjustment or regulation at will, in the amount of opening, so that it may
be closed, or partly closed, or entirely open, as may be desired, in the manner
subsequently described.
I provide a disc of metal, equal to or about the same diameter as the outside of
the bowl of pipe, having a shallow rim around its edge upon its upper side, and
a concentric open tubular stem or downhanging socket upon its underside, which
fits into the bowl of the pipe. The upper surface of this disc, and to the height of
its surrounding rim, forms a chamber in which are secured a number of metallic
plates or leaves, which are generally more or less of a circular form, but whose
number and shape may be varied if required. The one end of each of these leaves
is pivoted or jointed to the disc equi-distant around the socket hole, whilst at their
other free ends are upstanding pins. Thus the leaves overlap each other except for
a short distance at their free ends. I now provide a part rotating disc, having a
central hole coinciding with the central hole of the socket or stem, and having a
number of slots or openings, generally radial, corresponding to the number of leaves
aforesaid. This slotted disc is now placed over the leaves in the socket disc, with
their upstanding pins or pivots engaging respectively in the said slots. To this
slotted disc is now secured a rotating cover, or such cover may be formed in one
with the said disc, by closing the edge of its metal over the underside of the
socket disc, yet permitting a free part rotating motion, or in any other suitable
manner.
Its action is therefore somewhat thus :-When the complete cover as described
is fastened to the pipe, by part rotating the cover (that is, the slotted plate) the
free ends of the leaves are drawn nearer to or farther from the centre and thus any
size of opening may be obtained as may be desired. When in its full open position-
the leaves lie all beneath the annular ring part of the cover.
Thus I provide an adjustable and permanently attached cover to the pipe bowl,
which when not required does not interfere with the ordinary use of the full size
of the bowl, but which opening may be diminished as may be desired in a simple
and compact manner.
Dated this 19th day of January 1894.
CHARLES T. POWELL,
Applicant's Agent.

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COMPLETE SPECIFICATION.
Improvements in or connected with the Metallic Covers of Tobacco.
Pipe Bowls.
I THOMAS MORTON, of Lodge Road, in the City of Birmingham, Tool Maker,
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 an improved combination with the bowl of tobacco pipes,
of an adjustable metallic cover made after the manner hereinafter described and the
construction and adaptation of the said cover.
It consists primarily of a cover or mount made in such a manner that shall
allow of adjustment or regulation at will, in the amount of opening, so that it
may be closed, or partly closed or entirely open, as may be desired, in the manner
subsequently described.
In order to more fully explain this my invention, I have appended hereunto an
illustrative sheet of drawings upon which are figures and numbers of reference,
similar numbers referring throughout the several views to the same thing or part.
Figs. 1 to 10, inclusive are views of the detail parts of this mechanism.
Fig. 11, is a plan view of the invention showing it full open.
Fig. 12, is a plan view of the invention showing it part closed.
Fig. 13, shows it closed, & Fig. 14 shows it in enlarged sectional elevation.
15, is a disc or cover, having the outer rim 16, and a central hole 17, (see
Figs. 1 & 2). 18, is a flat ring of metal, having the slots 19, cut therein (see
Figs. 3 & 4). This ring is then placed in the cover 15, and soldered or otherwise
secured thereto. If desired the said slots 19, may be cut in the cover 15, and the
ring 18, be dispensed with, but I prefer to make it as illustrated. 20, is a table
(see Figs. 5 & 6) having the socket or ferrule 21, formed thereon or attached
thereto. This socket is made to fit tightly into the bowl of the pipe and thereby to
secure the whole of the mount to the said pipe. In this table are made holes 22,
which correspond in number to the slots 19, (see Fig. 3). 23, is a plate or leaf of
metal baving at each end the pivots 24 and 25 (see Figs. 7 & 8). In some cases
instead of these pivots I may use eyelets to effect the same purpose.
I now take
the table 20, and connect the one end of each of the four leaves thereto, by
. means of the pivots 24, and the holes 22, yet in such a manner that the said
leaves shall be free to turn about such joints, (see Fig. 9). Thus it will be seen
that the free ends of the leaves may be turned so as to lie in a circular shape as
seen in Fig. 10, and when in such a position that they partly overlap each other.
This table 20, having the leaves secured thereto in the manner described is now
placed in the cover 15 (see Fig. 14), the pivots 25, each taking into its respective
slot 19. The lower edge of the rim 16, now turned over the table 20, as shown,
and thus the table and the leaves are secured in the cover, but in such a manner
to permit of a part rotation of the cover to that of the said table. The exterior
of the rim 16, of the cover may be made rough or milled if desired to facilitate its
being turned around. The now complete mount is placed and fixed in the bowl 26,
of a pipe.
.
Its action is thus :-By part rotating the cover 15, the slots in
operate the pivots 25, and bring them nearer to or farther from the
bowl, and so draw the leaves or plates across the mouth of the bowl.
round to the full extent (as seen in Fig. 13) these leaves cover the
bowl, in an interlaced manner.
the plate 18,
centre of the
When turned
mouth of the
It will be readily seen that according to the distance which the cover 15, is
turned around so is the amount of closing. In Fig. 12, for instance, it is shown

page_text: Although I have shown only four of these leaves arranged together, still 1 may
reduce or increase their number.
Also I wish to point out that I may find it more convenient in some cases to
provide that the slots 19, be made in the table 20, and the fixed ends of the leaves
be secured to the interior of the cover 15, that is, to reverse the position of the
fixed and free ends of the leaves. The mode of operation and their functions.
however will be identical with those already described and shown.
Having now particularly described and ascertained the nature of this my said
invention, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The combination with a tobacco pipe bowl of an adjustable opening and
closing cover, consisting of the various parts substantially as herein described and
shown.
2. In an adjustable opening and closing mount for a tobacco pipe bowl, the
employment of leaves or plates to which is given variable opening or closing
movement substantially as described and shown.
3. The combination with a tobacco pipe bowl adjustable opening and closing
mount, of the part rotating cover 15, by which the opening may be increased or
diminished at will after the manner shown and described.
4. In an adjustable opening and closing mount for tobacco pipe bowls, the com-
bination with the part rotating cover 15, slotted plate 18, and leaves or plates 23,
of the table 20, having the socket 21, by which it is attached to the bowl of the
pipe, substantially as set forth and shown.
Dated this 10th day of February 1894.
CHARLES T. POWELL,
Applicant's Agent.