US931039A - Rotary valve for wind musical instruments. - Google Patents

Rotary valve for wind musical instruments. Download PDF

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Publication number
US931039A
US931039A US1908442321A US931039A US 931039 A US931039 A US 931039A US 1908442321 A US1908442321 A US 1908442321A US 931039 A US931039 A US 931039A
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Prior art keywords
valve
piston
bell
musical instruments
arm
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Expired - Lifetime
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Charles G Conn
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Charles G Conn
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00Details of, or accessories for, wind musical instruments
    • G10D9/04Valves; Valve controls

Description

C. G. CONN.

ROTARY VALVE POR WIND MUSICAL INSTRUMENTS.

APPLICATION FILED JULY?, 1908.

931,039. v Patented Aug. 17, 1909 CHARLES G. CONN, OF ELKHARI, INDIANA.

ROTARY VALVE FOR WINDV MUSICAL INSTRUMENTS.

Specica'tion of Letters Patent.

Patented Aug. 17, 1909.

Application led July 7, 1908. Serial No. 442,321.

To all whom 'it may concern:

Be it known that I, CHARLES G. CONN, a citizen of the United States, residing at Elkhart, in the county of Elkhart and State of Indiana, have invented certain new and useful I1'nprovements in Rotary Valves for Wind Musical Instruments, of which the following is a specification.

While I have, for purposes of illustrating nl v invention, shown it as applied to the valve ot' a cornet. it will, of course, be understood that it is equally as well adapted for use with other wind musical instruments.

The object of my invention is to provide means whereby I am enabled to rotate the valve during its depression and by such rotation cause one valve passage to serve in a dual capacity, thus eliminating one of the valve ports and correspondingly shortening the stroke of the valve piston, which results in a much and with these and minor objects in view my invention consists of the parts and combination of parts as will be hereinafter more fully set out.

In the drawing, Figurey 1A is a side elevation of a valve embodying my invention: Fig. L) is an end viewot the same; and Fig. 3 is a detail sectional View.

1 represents the valve casing provided with the ports 2, 3 and 4. The valve piston is provided with stems 5 and 6 extending from opposite ends a suitable distance.

7 is a coiled spring secured around the stem 5 of the piston, one end of saidspring being secured to the cap 8 of't-he valve casing, while the other end is secured to the stem.

9 is a drum keyed to the stem 6.

The finger key 10 is mounted with a hinge joint on the stud 11, which in turn is secured to the valve casing.

12 is an arm hinged to the finger key, the body of which is deiiected around the drum i), said drum being connected to said arm by means ot' the cord or band 13, the ends of which are connected tothe arm 12, while the bodyof the cord is given one turn around said drum and fixed thereto by means of the set screw 14, whereby the valve is rotated.

15 is a bracket secured to the valve casing. to one end ot` which the bell-crank lever 16 is pivoted. One arm ot the bell-crank lever is provided with a groove 17. in which the lower end ot' the arm 12 is positioned, said quicker movement in the valve;`

treme lower end.

18 is aA thrust arm or bar, one end of which is pivoted to the bell-crank lever, while the other end is swiveled in one end of the drum 9.

The operation is as follows: the finger key lever 10, the arm 12 is depressed, thereby shortening one end of the cord 13, thus revolving, by means of the drum, the valve piston. The lower end of the arm 12, being mounted inthe groove 17 of the bell-crank lever, rocks the bell-'crank lever on its pivot, which results in a thrust upon the thrust bar or arm 18, whereby the piston is moved axially of the valve casing. This axial movement of the piston puts tension upon the coiled spring 7, which, when pressure is released upon the finger key, immediately restores the piston to its normal position, thus leaving the valve for open tones.

arm having an anti-friction roller .on its eX- the details of construction without de arting from the spirit of my invention, an,.vhe'nce I would have it understood that do not wish to be limited to said det-aile. y

That I claim is:

1. In combination with a rotary piston valve for a wind musical instrument, a stem projecting from the valve piston, a drum on said stem, a. bell-crank lever connected with the casing of said valve, athrus't bar pivotally connected to said bell-crank lever, and to the said drum, a finger key, and means operated by the finger key to operate said bell-crank'lever and thrust bar and simultaneously revolve said drum.

2. In combination with a rotary piston valve for a wind musical instrument, astern projecting from one end of the valve piston, a bell-crank lever hung from the casing of said valve, a thrust bar pivotally connected to said lever, and to said stem, a finger key and means operated `by the finger key to actuate the bell-crank lever and thrust bar, and simultaneously revolve said piston valve.

3. In combination with a rotary piston valve for a wind musical instrument, a casing having a valve chamber, a thrust bar swiveled to the piston valve, a finger'key, and means interposed between the finger key and said thrust bar, whereby fon operation of the finger key the piston valve is simultaneously On depressing I am aware that changes may be made in revolved and moved axially of the valve l drum, a bell-Crank hung fronL seid valve 1o chamber. casing, and a thrust bar swiveled in' said 4c. In a rotary piston"valve for a Wind l drum and connected to said bell-crank; saidl musical instrument7 the combination with` bell-Crank being operated by eontactwith the vulve casingf apston mounted therein, the arm hung from the finger key lever.

a, stem projecting from said. piston, a drum CHARLES G. CONN.

mounted on said stem, a finlrer lever, an arm l In presence of two witnesseshinged -to and depending rom said ngei" W. J. GRovERT,

lever, means connectingv said arm to said GERTRUDE STREGO.

US931039A 1908-07-07 1908-07-07 Rotary valve for wind musical instruments. Expired - Lifetime US931039A (en)

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US931039A US931039A (en) 1908-07-07 1908-07-07 Rotary valve for wind musical instruments.

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US931039A US931039A (en) 1908-07-07 1908-07-07 Rotary valve for wind musical instruments.

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US931039A true US931039A (en) 1909-08-17

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US931039A Expired - Lifetime US931039A (en) 1908-07-07 1908-07-07 Rotary valve for wind musical instruments.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029731A (en) * 1959-03-25 1962-04-17 Zeuthen & Aagaard As Mechanism for duplicators for inserting interleaving sheets between the printed sheets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029731A (en) * 1959-03-25 1962-04-17 Zeuthen & Aagaard As Mechanism for duplicators for inserting interleaving sheets between the printed sheets

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