Improvements in or relating to Octave Couplers for Organs and Harmoniums.
Year: 1894

page_text: Date of Application, 13th Feb., 1894
Complete Specification Left, 13th Nov., 1894-Accepted, 5th Jan., 1895
PROVISIONAL SPECIFICATION.
Improvements in or relating to Octave Couplers for Organs and
Harmoniums.
I SAMUEL JENKINSON of 45 Hampstead Road, in the County of Middlesex,
Organ Builder, do hereby declare the nature of this invention to be as follows:-
With organs and other instruments provided with couplers as heretofore it has
been found that power is lost in the last octave as when the last key in connection
with the coupler is depressed it is obvious it cannot repeat any higher.
In order to overcome this defect I fit in the organ or other instrument extra
reeds pipes etc. as the case may be and suitable mechanism to couple up such extra
reeds pipes etc. (which latter are not represented by keys on organ) by which means
the above defect is overcome.
Dated this.13th day of February 1894.
BROWNE & Co.,
9, Warwick Court, W.C., Agents for Applicant.
Improvements in or relating to Octave Couplers for Organs and
Harmoniums.
I SAMUEL JENKINSON of 45 Hampstead Road, in the County of Middlesex,
Organ Builder, 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 :-
With organs and other instruments provided with octave couplers (as hitherto
constructed) it has been found that power is lost in the last octave, owing to the
fact that after the last key in connection with the coupler is depressed, no further
key in the remaining octave is coupled up, and consequently only one note is being
played for every two in the preceding octave.
In order to overcome this defect, I fit in the organ or other instrument extra
reeds, or pipes as the case may be, and suitable mechanism to couple up such extra
reeds, which latter are not represented by keys on the organ.
And in order that my invention may be more clearly understood I will now
proceed to describe the same with reference to the drawings accompanying this
Specification, which shew my improvements as applied to an American organ.
Figure 1. is a top plan representing an extra octave of reeds and the ordinary
keys (actuating same),
Fig. 2. is a section of Fig. 1 at the line A B.
Figs. 3, 4 and 5 are details hereinafter referred to,
Figures 4 and 5 being drawn to an enlarged scale.
a shews the keys, 6 levers pivoted at c; d other levers pivoted at e; f pads
acting on plungers g; hh reeds; ii mutes hinged at k k; s palletts; I rod connected
with the coupler stop. 9 is a supporting rod (hinged at r) having slots & cut therein,
in which slots the levers d are pivoted. Rods from the corresponding stops are

page_text: connected at m m to the mutes i i. t is a stop piece on the rod 7 to prevent this
rod being rocked too far forward.
The extra set of reeds as shewn in the drawings is fitted at the back of the last
octave of the manual; in such a way that when the keys of this octave are
depressed they will play the corresponding reeds of this extra octave, as well as
their own reeds, as hereafter described.
The action is as follows.
Supposing the coupler stop to be drawn out (which will bring this extra set of
reeds into action as well as the ordinary coupling arrangement, or this may be
effected by a 66
super coupler stop ") the rod / would cause the supporting rod to
rock backwards on its hinge at r, so as to bring the tail ends of the levers d down
onto and into contact with the corresponding tail ends of the levers b, as shewn
enlarged at Fig. 4. On the other hand when the arrangement is out of action (the
stop being pushed in) the ends of the levers d will rise from the ends of the levers b
as shewn also enlarged at Fig. 5. Thus when the coupler is in action when the
keys a are depressed they will actuate the levers b and d, causing the pads f to
press down the plungers g, and open the palletts as shewn at Fig. 3.
Of course one or more of the stops actuating the mute or mutes i i must also be
pulled out, in order that sound may be produced.
The above described improvements are especially applicable to reed organs, such
as American organs and harmoniums, as with a small instrument it is especially
desirable that there should be no loss of power in the last octave, owing to the
coupler having no extra notes to sound.
It is of course obvious that, although I have described and shewn my arrangement
as applied to the last octave towards the treble end of the manual, it might also if
desired be applied to the last octave towards the bass end of the manual.
Having now particularly described and ascertained the nature of my said inven-
tion and in what-manner the same is to be performed I declare that what I
claim is :-
1. In organs and harmoniums the employment of an extra set, or extra sets of
reeds, in connection with the last octave for the purpose set forth.
2. In reed organs the employment of an extra set, or extra sets of reeds in
connection with the last octave for the purpose set forth.
3. The improvements in or relating to octave couplers of organs and harmoniums,
substantially as and for the purpose set forth.
Dated this Thirteenth day of November 1894.
BROWNE & Co.,
9, Warwick Court, Gray's Inn, London, W.C., Agents for the Applicant.