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Патент USA US3024697

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March 13, 1962
Filed June 30, 1960
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United States Patent 0
Patented Mar. 13, 1962
secured at its ends to the armature, pivotally to mount
the latter on said wire.
The other end of the armature has a downwardly curved
Roger H. Miles and George E. Gress, Washington, N.J.,
assignors to Gress-Miles Organ Co., Inc., Washington,
N.J., a corporation of New Jersey
Filed June 30, 1960, Ser. No. 39,902
3 Claims. (Cl. 84-335)
portion 35, the extremity of which is normally ‘adjacent
and spaced from the end 36 of the core, to be attracted
thereby when the coil 18 is energized. This will cause
the armature 28 to pivot in a counterclockwise direction
from the position shown against the counter force exerted
This invention relates to the art of electric organs,
by a coil spring 37 secured at one end to an arm 38 car
and more particularly to the valve mechanism thereof. 10 ried by the bracket 22, and at its other end to the end
As conducive to an understanding of the invention,
28 of the armature 29.
it is noted that in electric organs in which the ?ow of air
The valve 15 according to the invention comprises a
through the organ pipes is controlled by solenoid actuated
hollow disc 41, which has a rigid ?oor 42 and a resilient
valves energized by the pressing of the key of the organ,
top wall 43. Extending through an axial opening 44 in
if the organist should inadvertently graze a key while 15 the floor 42 is a stem 45, which has an enlarged head 46
moving his ?ngers, due to the sensitivity of the electric
at its inner end of diameter greater than that of opening
controls, this would cause closure of a circuit to a sole
44 and which is positioned in the hollow valve. The
noid, so that an erroneous note will be sounded which,
though only momentary, would detract from the quality
of the performance.
Where, upon closure of the valve after the solenoid
is de-energized when the organ key is released, the valve
outer portion of the stem 45 extends through a resilient
washer 47, illustratively of felt, and the end of the stem
is rigidly secured as at 48, to the armature, a resilient
bumper 49 being mounted on the coil 18 aligned with
the end of said stem.
should bounce slightly, permitting escape of even a small
quantity of air to an organ pipe, the resultant erroneous
In the operation of the organ, when the solenoid 16
is not energized, the coil spring 37 will urge the arma
note sounded, even though of slight duration, will also 25 ture 29 in a clockwise direction, thereby retaining the
detract from the quality of performance.
valve 15 in sealing engagement against the outlet port 12
It is accordingly among the objects of the invention
so that the compressed air in Wind chest 13 will not es
to provide a solenoid controlled valve for ‘an electric
cape through the port 12 into the organ pipe 11.
organ, which will momentarily remain in closed posi
When the organ key is af?rmatively pressed by the
tion after the circuit thereto is completed, so that momen 30 organist and a circuit is completed to the magnet coil
tary grazing of the organ key will have no effect to open
18 of the solenoid, the armature 29 will pivot in a coun
such valve, and which valve, upon closure thereof after
terclockwise direction against the counter force exerted
the circuit thereto is broken in normal operation of the
by spring 37. Due to the lost motion offered by the slid
organ key, will remain in closed position even though
ing stem 45, such movement of the armature will not
the armature of the solenoid may bounce slightly during 35 immediately apply positive force against the valve to
move the latter away from the outlet port 12, and due
According to the invention, these objects are accom
to the air pressure in the wind chest, the valve will remain
plished by the arrangement and combination of elements
in sealing position over said port 12.
hereinafter described and more particularly recited in
Continued movement of the armature 29 will, of
the claims.
40 course, cause the head 46 of the stern thereof to engage
In the accompanying drawings in which is shown one
the floor 42 of the valve, positively to move the valve
of various possible embodiments of the several features
away from the outlet port 12 so that the compressed air
of the invention,
may pass through the organ pipe 11.
FIG. 1 is a sectional view illustrating a valve accord
As the delay before positive movement of the valve
ing to the invention controlling an organ pipe,
45 away from the outlet port is of extremely short duration,
FIG. 2 is a view on an enlarged scale of the solenoid
controlled valve, and
FIG. 3 is a fragmentary detail view taken along line
rapid keying of the organ for high quality performance
will not be impaired, yet the delay is still su?‘icient to
prevent inadvertent opening of the outlet port 142 due to
3—3 of FIG. 2.
momentary grazing of an unselected key by the organist.
Referring now to the drawings, the organ pipe 11 50
When the organ key is released in normal operation
is shown connected at its lower end to an outlet port
to de-energize the solenoid, the spring :37 will rapidly
12 in a wind chest or chamber 13 which is supplied with
pivot the armature 29 in a clockwise direction to move
air under pressure from a compressor (not shown) con
the valve to closed position over the outlet port 12. Al
nected to inlet port 14.
though there may be a tendency for the armature 29 to
The outlet port 12 is controlled ‘by a valve 15 actuated 55 bounce slightly, with the construction shown this will have
by a solenoid 16, the terminals 17 of which are connected
no elfect as far as permitting slight escape of air from
in conventional manner to one of the organ keys (not
the outlet port, since the air pressure in the chamber will
shown) and to a source of potential so that upon pressing
retain the valve in seated position, and any bounce of
of the key the solenoid 16 will be energized.
the armature 29 will merely cause the stem 45 to slide
The solenoid 16 may be of conventional type and com 60 with respect to the ?oor 42 of the valve without impart
prises a magnet coil 18, the core 19 of which is secured
ing any movement to the latter.
at one end, as at ‘20, to the substantially vertical leg 21
With the relatively simple valve construction above de
of a bracket 22, the horizontal leg 23 of which is secured
scribed, undesired notes due to inadvertent grazing of the
as by screws 24 to the top wall 25 of wind chest 13
keys of the organ or of bouncing of the armature upon
65 de-energization of the solenoid will be precluded without
adjacent outlet port 12.
The leg 21 of bracket 22 has an aperture 26 adjacent
in any way impairing rapid keying of the organ.
its upper end, de?ning a pair of legs 27 between which
extends one end 28 of a soft iron armature 29. A wire
As many changes could be made in the above construc
tion, and many apparently widely different embodiments
30 de?ning a pivot is secured at its ends, as at 31, to the
of this invention could (be made without departing from
legs 27 and extends transversely thereacross, a strip 32 70 the scope of the claims, it is intended that all matter con
extending over said wire at right angles thereto being
tained in the above description or shown in the accom
panying drawing shall be interpreted as illustrative and
organ, said assembly comprising a solenoid having an
not in a limiting sense.
armature, a valve carried by said armature and movable
thereby, said wind chest having an outlet port to which
one end of the organ pipe is connected, said solenoid
being secured to the inner surface of said wind chest adja
cent said outlet port, said valve being movable by said
armature toward and away from said outlet port, said
Having thus described our invention, ‘what We claim
as new and desire to secure by Letters Patent of the
United States is:
1. A solenoid actuated valve assembly for controlling
the admission of air from the wind chest to the pipe of
an organ, said assembly comprising a solenoid having
valve comprising a hollow disc having a ?oor with an
axial opening and a top Wall de?ning the valve head
able thereby, said valve comprises a hollow disc having 10 adapted to move over said outlet port to close the latter,
a stem extending through said axial opening, said stem
a ?oor with an axial opening and a top wall de?ning the
having a head at its inner end of diameter greater than
valve head, a stem extending through said axial opening,
that of said opening, said stem being slidable in said open
said stem having a head at its inner end of diameter
ing, the outer end of said stem being secured to said
greater than that of said opening, said stern being slidable
in said opening, the outer end of said stem being secured 15 armature, and resilient means normally urging said arma
ture in direction to retain said valve head in closed posi
to said armature, the length of said stem being such that
tion over said opening, the head of said stem when said
the head thereof is spaced from the ?oor of the valve
valve is in closed position being spaced from the ?oor
when said valve is in its lowermost position on said stem,
an armature, a valve carried ‘by said armature and mov
of said valve to form a lost motion connection.
to form a lost motion connection, and resilient means op
eratively connected to said armature to urge the latter 20
References Cited in the ?le of this patent
and the valve thereon in direction opposed to the move
ment of the armature when the solenoid is energized.
2. The combination set forth in claim 1 in which a
resilient Washer encompasses the portion of the stem be
tween the ?oor of the valve and the armature.
3. A solenoid actuated valve assembly for controlling
the admission of air from the Wind chest to the pipe of an
Van Valkenburg ______ __ Aug. 22, 1916
Grant ________________ __ Oct. 21, 1924
Klann _______________ __ Ian. 15, 1929
Gundling ___________ __ Sept. 10, 1957
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