US839547A - Valve for cornets and band instruments. - Google Patents

Valve for cornets and band instruments. Download PDF

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Publication number
US839547A
US839547A US1905249433A US839547A US 839547 A US839547 A US 839547A US 1905249433 A US1905249433 A US 1905249433A US 839547 A US839547 A US 839547A
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Prior art keywords
valve
spring
stem
end
parts
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Willard Bryant
Newell L Thomas
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Willard Bryant
Newell L Thomas
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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

No.839,547. PATENTED DEC. 25, 1906. w. BRYANT & N. L. THOMAS. VALVE FOR CORNETS AND BAND INSTRUMENTS.

:ffizzrnwaaw 1 52% 1 J llllilllltl y/llJ/l/l rllllflllfll APPLIOATION FILED MAR.10, 1905.

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THE NORRIS PETERS ca. wAsI-lmanm, u. c.

UNITED STATES PATENT OFFICE.

VALVE FOR CORNETS AND BAND INSTRUMENTS.

Specification of Letters Patent.

Patented Dec. 25, 1906.

Application filed March 10, 1905- Serial N0. ZIQHISS.

T0 aZZ whom it may concern.-

Be it known that we, WILLARD BRYANT and NEwnLL L. THOMAS, citizens of the United States, residing at Detroit, county of Wayne, State of Michigan, have invented a certain new and useful Improvement in Valves for Cornets and Band Instruments; and we declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.

This invention relates. to valves for cornets and band instruments, and has for its object an improved spring-return attachment for returning to normal position the valve and the valve-stem of a wind instrument of the character described.

In the drawings, Figure 1 is a sectional elevation of the valve-chamber, stemchamber, and the parts contained therein, including the protruding part of the valve-stem, the parts being in normal position with the spring under tension. Fig. 2 is an elevation of the spring. Fig. 3 is an elevation, partly in section, of the valve-stem. Fig. 4 is a plan view of the elliptical washer.

The general form of appliance for bringing back to normal position the valve of an instrument of the character described has comprised what is known as a compressionspring in contradistinction to the extensionspring hereinafter described; but the invention herein does not consist merely in the substitution of an extension-spring for a compression-spring, but consists in so combining an extension-spring with other parts which will be described that all the parts are adjustable readily and easily.

One of the main features of advantage found in the present invention over a form of device using the compression-spring of which we are aware arises from the fact that with the hereinafter-described deviceit is impossible for any of the moving parts to bind against any of the parts that remain fixed in position and the parts therefore move more freely and easily, but especially are free from obj ectionable rubbing or squeaking noise that is incident to devices where the parts do rub or bind.

A indicates the ordinary valve-case with an extension-chamber B at its upper end through which the valve-stem C extends from the top of the valve D through the cap 1. The valve D, which is of ordinary and usual construction, has screwed into its upper end 2 the stem C, the bottom end of which is provided with a threaded part 3, on which is run a threaded sleeve 4, that is secured to the lower end of an extension-spring 5. Under the sleeve is a jam-nut 6.

The coil is wound at its lower end with a conical spiral merging into a cylindrical hellX at the upper end. The upper end of the spring is secured to a ring 7, that engages over the upper end of the extension-case B and is held in place by the cap 1, which is screwed to the upper end of the case B. On the stem C is a cushion 8. preferably a middle part of cork, with a circular felt washer 81 above and a felt washer 82 elliptical in outline on the under side, which engages over the lower or sleeve portion of an adjustable nut 83 (which constitutes a part of the cushion 8) and the top of the shoulder 84. The small circle 85, shown on this part 84, makes it possible to seize the nut with the point of a small hook when its rotation with respect to the stem is desired without necessitating the insertion of pliers within the spring.

The stem and the valve are actuated by pressing down on the terminal 11 and are actuated in return by the retractive action of the spring. The spring cannot engage in a way to interfere against any of the parts with which it is connected except with its proper engagement with the sleeve 4 and at the upper end with the ring 7 and with the cork cushion 8, as hereinafter described.

Adjustment for tension of the spring is provided for in the nut 6 and the screw thread on which it is run. Adjustment for location of the valve is provided for by screwing the stem into or out of the piston. The valve is guided and prevented from rotating on its own aXis by a lug 12 on the valve that engages in guides in the valvecasing. The cork cushion moves with the stem C. The ends of the elliptical washer 82 contact a turn of the coil-spring 5 and act as a damper to prevent the vibration of the wire of the spring.

hat we claim is 1. In combination with a valve for cornets and like instruments, an inclosing casing therefor, a screw-threaded stem engaging said valve, a spring provided at one end with a screw-threaded sleeve to engage the This cushion has i stem, and at the other end with a bearingengage the casing under the cap thereto, and ring to engage the casing under the cap an adjustable cushion for the return movethereto, an adjustable cushion for the return ment of the valve-stem, substantially as demovement of the-valve-stem, and a damper scribed. on said stem adapted to engage the spring, In testimony whereof we sign this specifisubst%ntiallybas described. 1 f cation in the presence of two witnesses.

2. 11 com ination with a va ve or cornets and like instruments, an inclosing casing, a screw-threaded stem engaging said valve, a spring provided at one end with a screw-threaded sleeve to engage the stem, and at the other end with a bearing-ring to Witnesses:

MAY E. KOTT, CHARLES F. BURTON.

US839547A 1905-03-10 1905-03-10 Valve for cornets and band instruments. Expired - Lifetime US839547A (en)

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US839547A US839547A (en) 1905-03-10 1905-03-10 Valve for cornets and band instruments.

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