IMPROVEMENTS IN PULLS AND PUSHES FOR ELECTRICAL BELLS
Year: 1884

page_text: DE MULTICATION.
I CHARLES SMITH of 11 Denmark Street Soho, in the County Middlesex
Bellhanger do hereby declare the nature of my Invention for IMPROVEMENTS IN
PULLS AND PUSHES FOR ELECTRICAL BELLS to be as follows:-
A contrivance of parts and a spring so arranged and insulated in a handle for a
bell so as to act as a bell pull or push or both combined, thereby dispensing with
the usual spring crank used to bring pack the bell pull, in bedrooms, on entrance
doors, and for invalids &c., and will work in any position.
I CHARLES SMITH of 11 Denmark Street, Soho in the County of Middlesex
Bellbanger do hereby declare the nature of my Invention for IMPROVEMENTS IN
PULLS AND PUSHES FOR ELECTRICAL BELLS and in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement :-
In pulls for electrical bells as these are generally constructed and used as rope
pulls in bedrooms and rod or bridle pulls on entrance doors it is the practice to fix
a spring crank or like arrangement above and attached to the pull to bring the
pull or handle up or back when released from the handle after being pulled. The
object of my Invention in this case is to dispense with the spring crank. And for
invalids use it is the practice to attach a pear shaped push or similar press button
to a portable electrical bell and battery by means of insulated wires and which
acts as a press or push only, in this case I provide a pull and push combined in one
D1

page_text: according to my Invention which may be used as a pull as shewn in Figure 1 or
by tying or fixing the wires to bedpost or any other convenient place or object in
any desired position so that the pull handle may lay upon the bedclothes or any
where desired and will act as a pull with any direction of pull.
.
But to make my Invention better understood I will proceed to describe the same
by reference to the accompanying Drawing in which Figure 1 is a section of pull
and push combined as I prefer to construct it according to my Invention in which
A is handle of bell pull made in any suitable material preferably wood or
ivory, to which is fixed B metal contact ring, through which passes C insulating
tube of ebonite on which I form a swell or shoulder supporting D spiral spring and
on bottom of ebonite tube a flange E carrying metal contact springs F to which is
attached bell pull wires G held by screws and washers H the wires in this case
pass from pull to ceiling or terminal box I inside of which is J reel of ebonite or
wood carrying the wires G to terminal screws K and to which is connected line
wires L, M is push piece of pull and is suitable for bedrooms and invalids.
Figure 2 shews a section of a bell pull according to my Invention in which N is
metal bracket through which passes wires G, which are held firmly in bracket by
pitch O being poured in, in a melted state and allowed to cool in this case the pull
handle hangs loosely and is free to swing the wires taking all the strain. Figure 3
shews half section of a bell pull according to my Invention in which the sectional
half is represented as pulled down and in which the insulating tube C is screwed
in P metal rain guard which is fixed to or forms part of bracket N, the wires are
loose in bracket and have no strain on them this bell pull may be used in place
of any kind of rod, drop or bridle pulls for entrance doors and other exposed
positions.
By this construction of pull for electrical bells it will be seen that on the bell
handle A being pulled compressing the spiral spring D brings the contact springs F
in contact with contact ring B and thereby completes the electrical circuit and
causes the current to circulate and the bell to ring.
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
Firstly. Constructing pulls for electrical bells in combination with push
arrangement to pull in any direction and requiring no spring crank, substantially
as herein before.described.
Secondly. Constructing pulls for electrical bells that dispenses with the spring
cranks; and the handle contains all the working parts substantially as herein
before described and shewn in Figures 1. 2. & 3 of the accompanying Drawing.
Dated this 30th day of May 1884.
CHARLES SMITH.