Improvements in or applicable to Chamber Pedal Organs.
Year: 1892

page_text: Date of Application, 10th Sept., 1892
Complete Specification Left, 10th May, 1893-Accepted, 10th June, 1893
PROVISIONAL SPECIFICATION.
Improvements in or applicable to Chamber Pedal Organs.
I, JOHN ROBERT SMITH, of 279, Lake Road, Landport, in the County of
Hampshire, Tuner and Repairer of Musical Instruments, do hereby declare the
nature of this invention to be as follows:-
My invention relates to certain improvements in or applicable to pedal organs of
the smaller class known as chamber or parlour organs.
Pedal organs so far as I know are always supplied with air by bellows worked
by a lever or power supplied by a person or means other than the instrumentalist,
it being impracticable or impossible where pedals are used to employ also foot
treadles as in the case of a harmonium or a pedalless organ; and in such pedal
organs the use of a side lever is laborious and unsightly and often objectionable to
the organist.
The object of my invention is to provide means for supplying air to chamber
organs with pedals in a more convenient and unobjectionable manner than heretofore
and my improvement is in the nature of an attachment to or for such instrument.
According to my invention I provide a separate and independent treadle box or
case of suitable size and form in which are pivotted a pair of foot treadles each
having an easily operated clasp or fastening device for receiving and holding gut
or equivalent cords. The treadle-box may be detachably fixed to one end or the
back of the organ, or it may be connected and applied separately therefrom. The
connecting cords pass over rollers and pulleys suitably arranged in the casing and
interior of the instrument, and are led and fixed at their inner ends to the usual
exhaust bellows or boxes in such manner as to be capable of operating same.
By this arrangement the blower may be seated alongside of or conveniently
adjacent to the organ and can work the bellows with his feet, and his operations
are easy and unobjectionable alike to the organist and the audience.
Dated this 0th day of Santment 1900
J. C. CHAPMAN,
70, Chancery Lane, London, W.C., Agent.
. COMPLETE SPECIFICATION.
Improvements in or applicable to Chamber Pedal Organs.
1, JOHN ROBERT SMITH of 279 Lake Road Land port in the County of
Hampshire, Tuner and Repairer of Musical Instruments, do bereby 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 certain improvements in or applicable to pedal organs
of the smaller class known as chamber or parlour organs. Pedal organs are so far
as I know always supplied with air by bellows worked by a lever or power applied
by a person or means other than the instrumentalist, it being impracticable or
impossible where pedals are used to employ also foot treadles as in the case of a
harmonium or a pedalless organ; and in such pedal organs the use of a side lever
is laborious and unsightly and often objectionable to the organist. There are
however some organs which have both foot pedals and bellows treadles, the bellows
being operated by a lever at such times as the pedals are used, and then au
assistant is required.

page_text: The object of my invention is to provide means for supplying air to chamber
organs with pedals when the pedals are in use in a more convenient and unobjection-
able manner than heretofore, and my improvement is in the nature of an attachment
to such instruments and may be applied to work either the bellows or the bellows
treadles where such exist.
I will describe my invention in reference to the accompanying drawings in which
Fig. 1 is a perspective view of an organ which has pedals and both bellows
treadles and bellows lever, the bellows treadles to be employed when the pedals
are not required and the lever when they are required:
Fig. 2 shows in sectional plan part of a pedal organ with my attachment applied
thereto.
Fig. 3 is a similar view showing a modified arrangement of my attachment.
Fig. 4 is an end view thereof, the attachment being in section, and
Fig. 5 is a detail hereinafter explained.
Similar letters refer to similar parts in all of the figures.
A represents the organ, P the pedals, B the bellows or alternatively the ordinary
bellows treadles, as the case may be, for supplying air to the bellows; L is the
lever adapted to perform the same purpose when required as above described.
According to my invention I provide a separate and independent treadle box
case or holder C of suitable size and form in which is pivotted at t a pair of
supplementary foot treadles T T. The box or treadle holder C is detachably
fitted to one end as illustrated, or to the back of the organ, or it may be applied
and connected separately and at any reasonable distance therefrom. In Fig. 2 1
have shown supplementary treadles T T in the independent box C connected at S
by a clasp or book direct to the bellows B B of a pedal organ A by gut or flexible
connections FF passing over guide rollers R R and pulleys P P, suitably arranged
respectively in the casing and interior of the instrument so that the usual vibratory
motion when applied to the supplementary treadles T T will be imparted direct to
the bellows B B. In Figs. 2 and 3 I have shown the supplementary treadles T T
indirectly connected to the bellows through the medium of the ordinary bellows
treadles B B to which they are rigidly connected. The supplementary treadles
themselves are shown dotted to better illustrate the construction; beneath each of
them on the bottom of the box or it may be a simple flat holder or board C an iron
bar or lever F bent to a right angle as shown is arranged and mounted in a
bearing so as to be capable of vibratory motion with the treadle; at one end of
each bar F is mounted an antifriction roller d upon which the breasts of the
treadles rest and at the other ends d' the rods are squared. This square is adapted
to fit into a sockets, as separately shown in Fig. 5, which socket is arranged upon
the outer end of each of the pair of bars F which are connected to the bellows or
bellows treadles B B, as the case may be, and mounted in the interior of the organ
as shown in Fig. 3, in such manner as to import and communicate the vibration of
the supplementary treadles T T through the medium of the bellows treadles BB
to the bellows themselves. To attach the treadle box C to the organ it is only
necessary to bring it alongside and make the connection either by a clasp or hook
at S or by slipping the square d' into the sockets, and the detachment is as readily
effected. By this arrangement the lever L may be entirely dispensed with and the
blower may be seated alongside of or conveniently adjacent to the organ and by
the supplementary treadles he can work the bellows directly as in Fig. 2, or
indirectly through the ordinary bellows treadles as in Figs. 1, 3, and 4 with his
feet, and his operations are easy and unobjectionable alike to the organist and the
audience.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed, 1 declare that what 1
claim is:-
1. In chamber pedal organs the use of a separate and independent treadle box
or holder in which is pivotted a pair of supplementary foot treadles adapted to be

page_text: detachably connected to the organ bellows in such manner as to be capable of
operating same substantially as described and illustrated.
2. The construction and arrangement of detachable supplementary treadle box
with treadles detachably connected to the organ bellows either direct or through
the ordinary bellows treadles, so as to operate the former substantially as above
described and illustrated in the accompanying drawings.
Dated this 10th day of May 1802
J. C. CHAPMAN, C.P.A.,
70, Chancery Lane, London, W.C., Agent for Applicant.
J. C. CHAPMAN, C.P.A.,
70, Chancery Lane, London, W.C., Agent for Applicant.