Improvements in connection with Table Lamps.
Year: 1897

page_text: Improvements in connection with Table Lamps.
I, GEORGE BROOKES, of the Police Station, Penmachno, near Bettws-y-coed,
N. Wales, Police Constable, do hereby declare the nature of this invention to be as
follows:-
My invention relates to means for extinguishing table lamps when lifted or upset.
To the burner of the lamp I attach any suitable kind of extinguisher operated by a
projecting arm. To the outer end of this arm is hinged the upper end of a rod
passing downwards towards the base of the lamp. The lower end of the rod is hinged
to an arched lever pivotted at its centre to a vertical spindle passing out through a
hole in the lamp stand. The other end of the lever being hinged to the stand. The
spindle is kept vertical by a bridge provided below the arched lever and above the
hole in the stand. The lower end of the spindle is provided with a disc between
which and the bridge is a spiral spring surrounding the spindle. When the lamp
base is over the arched lever and the lamp stand rests on the table or other support,
the spiral spring is compressed, but the weight of the lamp prevents the arched
lever rising. As soon, however, as the lamp is lifted or overturned, the spring draws
down the spindle through the hole in the stand, and with it lowers the arched lever,
and thus depresses the lower end of the rod, the upper end of which operates the
arm of the extinguisher and puts out the lamp. When the lamp is again set down,
over the arched lever and the stand resting on the table, the spring is pushed up and
the end of the lever also, this acting on the lower end of the rod causes the upper end
to remove the extinguisher.
AL 04h dan of Morab 1807
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GEORGE BROOKES, Police Constable, Police Station, Penmachno, near Bettws-y-coed,
North Wales, 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:-
"
"A metal block" of any shape with a tube connected in the centre of it, & a small
steel wire spring plased in the tube, "then a brass or iron pin with a button at one
end, & a notch at the other end, & to be plased thro the centre of the spring and

page_text: tube, then a brass centre bar, the centre of it to be fastened, in the notch of the
centre pin, one end of the centre bar to be attached with a staple or rivet to the metal
block & the bar to be able to slide about a quarter inch, & at the other end of
"The extin-
the bar, the extinguishing rod is connected with a small pin or rived.
guishing rod to be of any metal" & at the top of it there is a small notch for to
fasten to the lever, & connected with a small brass pin and chain, or wire to the
extinguishing rod, when the lamp is in full working order, the weight of the
connection "lamp included" presses on the spring, & centre pin, & if the lamp is
lifted or turned over from off the table, it goes out.
My invention relates to improvements in connection with table lamps, and the
description of which is as follows:-
A metal block A of any shape about quarter or half an inch thick, is made
to fit the base of a lamp, the block A has a tube A¹ in the centre which rises an inch
and a half from the inner side of the block A, the raised end of the tube is closed,
with the exception of a quarter of an inch. The tube A¹ is half an inch in circum-
ference, a wire spring B is placed in A' and must be longer than the tube A¹.
A brass pin C with button C¹ at one end and a notch at the other end, the pin C is
placed through A¹ and B. The upper end of A¹ resists B, and so does the button
on C¹.
A long piece of brass D is used with a curve in the centre, the centre of the curve
is pivoted to the notch in the pin C that protrudes through the upper end of the
tube A'.
The centre curved piece of brass D is about a quarter of an inch wide, and one end
of it has a groove K in it, about half an inch long, and one-eighth of an inch wide.
The grooved end K is placed in a notch A2, the notch A2 is raised from the metal
block A, and is a quarter of an inch high, and a quarter of an inch wide.
The notch A2 is half an inch from either corner of the metal block A provided the
block A is square. A small rivet H is placed through the notch A2, also through the
groove K, but allows the centre curved piece of brass D, "the grooved end," to work
backwards and forwards. A long metal rod E is used which has a notch at each end,
one end of the rod E with notch, is pivoted to H to the outer end of the centre
curved piece of brass or lever D.
The other end of the rod E is connected to the extinguishing lever G of a lamp,
by the aid of a small pin F fastened to a short chain one end of the chain is fastened
about an inch or an inch and a half, from the upper end of the rod E.
The table lamp when in full working order with my connection attached to the
base thereof, weighs upon the round flat button C¹ and presses upon the spring B, and
in the event of the lamp upsetting, or being lifted from the table, it causes the
spring B to be relieved and the lamp instantly goes out.
Having now particularly described and ascertain the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is―
1) Improvements in connection with table lamps. The base of the table lamps
is provided with a metal block A with tube A¹ in the centre, with wire spring B, placed
within A¹ and a pin C with button C¹ at one end, and notch at the other end, the
pin C is placed through the centre of A, A¹, and B, and a cross centre lever D which is
curved in the centre, the centre of the curved part of D is pivoted to H2 at the upper
end of C, one end of D with groove K is placed in a raised notch A2. The rivet H is
put through A and K to connect D to A2, and E is pivoted to the outer end of D
by H', and the other end of E is connected to the extinguishing lever G of lamp by a
and 2 of drawings.
small pin and chain F, as shown in Fig.
2) The cross centre lever D should not be longer than block A from corner to
corner.
3) In Fig. 2 B, and C', is not shown.
4) The weight of the lamp and apparatus as shown in Figs. 1 and 2, and when
placed on the table, the button C¹, which is underneath the base of the lamp, rests on

page_text: the table and keeps pressure on B, and in the event of the lamp being upset B is
relieved and the flame is automatically extinguished by the action of B.
5) The chief object of my invention is to make the present table lamps safer
for use.
1000