Year: 1888

page_text: Date of Application, 3rd Feb., 1883
Complete Specification Left, 15th Oct., 1888
Complete Specification Accepted, 16th Nov.. 1888
I, VICTOR ALPHONSE GERMAIN, of 24, Avenue des Batignolles, Paris, France,
Locksmith, do hereby declare the nature of this invention to be as follows:-
My invention relates to an improved call bell or alarum with repetition action, the
essential feature of which consists in the combination of a sliding rack bar and
pinion upon whose axis are mounted a series of jointed hammers which are caused to
strike in succession against a projection on the rim of the bell which latter is carried
on an arm rising from a base plate and held in position by a lug on said arm.
The invention is illustrated by way of example in the accompanying drawing
figure 1. of which represents a plan and figure 2 a part sectional elevation of the bell.
The same letters of reference serve for like parts in both figures.
a is a rack bar provided at one end with a head b against which bears a retracting
spring c and at the other end with an eyed for the attachment of a wire e or with
a pull rod or knob by which to operate the rack. ff are guides between which the
rack slides and a pinion whose axis m, mounted in one of the guides, carries the
head to which are pivoted the hammers i. The hammers may, however, be otherwise
mounted.
By rapidly rotating the pinion g by means of a rack a, the hammers i will be
projected outwards by the centrifugal force and strike against the lug n fixed or cast
on the rim of the bell p, a greater or less number of times according to the extent of
motion of the rack a. The bell is prevented from rotating upon its supporting arm r
by means of a lug q on said arm received in a corresponding cavity in the crown of
the bell which is fixed by a screw and nut as shown. The bell may be placed either
vertically or horizontally and the rack may be either operated by hand or by the
opening and closing of a door or otherwise.
1000
V. A. GERMAIN.
By A. M. & Wm. Clark,
53, Chancery Lane, London,
Patent Agents.

page_text: I, VICTOR ALPHONSE GERMAIN, of 24, Avenue des Batignolles, Paris, France.
Locksmith, 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
My Invention relates to an improved call bell or alarum with repetition action,
the essential feature of which consists in the combination with a pinion upon whose
axis is mounted a series of jointed hammers, of a rack bar, by sliding which the
hammers are caused by the rotation of the pinion, to strike in succession against a
projection on the rim of the bell, which is carried on an arm rising from a base plate
and held in position by a lug on said arm.
The Invention is illustrated by way of example in the drawing left with my
provisional specification; figure 1 of which represents a face view of the device with
the bell removed and indicated in dotted out lines, and figure 2 a side view with the
bell in section. The same letters of reference serve for like parts in both figures.
a is a sliding rack provided at one end with a head against which bears a
retracting spring e and at the other end with an eye d for the attachment of a wire e
or with a pull rod or knob by which to operate the rack. ff are guides between
which the rack slides, and ga, pinion whose axis m mounted in one of the guides
carries the head to which are pivoted the hammers i. The hammers may however,
be otherwise mounted.
By sliding rack a in its guides, the pinion g is rapidly rotated and the hammers i
are projected outwards by the centrifugal force and caused to strike against the lug
fixed or cast on the inside of the rim of the bell p, a greater or less number of times
according to the extent of motion of the rack a.
The bell is held upon its supporting arm r, by means of a lugg on said arm entering
a corresponding recess in the crown of the bell and fixed by a screw and nut, as
shewn.
The bell may be placed either vertically or horizontally and the rack may be
either operated by hand or by the opening and closing of a door or otherwise.
... Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, I declare that what
I claim is
The combination with a call bell or alarum provided with an internal lug, of a
sliding rack and a pinion in gear therewith and of pivoted hammers carried by the
pinion spindle and caused by the rotation of the latter to swing outwards and
successively strike the lug on the bell, substantially as specified.
1000