US1218057A - Cornet. - Google Patents

Description

c. G. CONN.

CORNET.

APPLICATION FILED NOV. 3, 1914.

Patented Mar. 6, 1917.

2 SHEETS-SHEET l mm QN MN. E uw. u( n Q v Q \N m N Q h N \N mmv R u@ Q um //`N\w\ w @WMM/momo W obvwt o mr 'mums nus ca. nwrrmmw.4 wAsmNcmN. u c

C. G. CONN.

CORNET.v

APPLICATION mzn'nov. a. 1914.

Patented Mar. 6, 1917.

2 SHEETS--SHEET 2 ...wmimlln iii CHARLES G. CONN, OF ELKHART, INDIANA.

CORNET.

Specification of Letters Patent.

Patented Mar. 6, 1917.

Application filed November 3, 1914. Serial No. 870,133.

To all whom t may concern.'

lle it known Athat l, CHARLES G. CONN, a (zi-zen ci the United States of America, residing at lillkhart, in the county of Elkhart and State ot indiana, have invented certain new and useful improvements in Cornets, of which the following is a specification.

The object of my invention is to provide means for extending the valve slides of' a cornet or trumpet, when the tuning slide is drav-Jn; and with these and other objects in view my invention consists of the parts and combination of parts as will be hereinafter more fully set forth.

Tn thc drawing Figure 1 is a side elevation of a cornet embodying my invention;

Fig. 2 is a reverse side elevation of Fig. 1;

Fig. 3 is a bottom plan vieiv of Fig. 1 with the parts in normal position;

Fig. 4C is a similar view with the parts shown in extended position;

Fig. 5 is a detail view.

The reference numerals 1, 2 and 3 designate finger key valves of any approved construction. l is the bell of the instrument and 5 the mouth pipe of' the instrument.

The quick change or timing slide 6 is illustrated in the drawings as forming a connection between the mouth pipe and the finger valves, and to this slide is secured a rod 7, Which is threaded at one end as at 8, and has a head 9. is a nut on the screw threads 8 and adjustable thereon, and adapted to cooperate with the fixed stop 11 mounted on the fixed tube 12, said stop 11 being provided With a. hole in which the rod 7 slides. The opposite end of the rod 10 is secured to the tuning slideat Ga. By setting the nut 10 at different distances from the head 9, it Will thcn be possible to d etermine beforehand the length of adjustment to be given to the slide G, as the striking of the nut 10 Vagainst the stop 11 vvill prevent the further drawing out of the slide.

The valve slides 13 and 14 slidably mounted in the valve crooks 15 and 1G respectively, are connected with the tuning slide so that they may be operated in unison with the timing slide, and such connection Will 110W be described.

A pintle bearing 17 is rigidly secured to the crook 16 and on this bearing is pivotally mounted by means of the pin 18, a rocker 19. 9.0 is a` link, one end of which is pivotally connected to the rocker, While the other end is pivotally connected to the post 21 which is rigidly secured to the valve slide 22 is another link, one end of which is pivotally connected to one end of the rocker 19, said rocker being secured intermediate its ends to the post which is rigidly secured to the valve slide Beyond its connection With the valve slide lil, the link is provided with pins or lugs 2-1 and on both its upper and lower face. The tuning slide 6 is provided ivith fingers 2G, there being one above and one beloiv the link which are adapted, when the tuning slide is operated to contact with the pins 25 and Q4 to move the f rocker When the tuning slide (i is extended and returned to its normal position. It Will be seen from Fig. 5 that the link 2O extends betiveen the legs of the crook 27 of the center key linger' valve between which I have formed a slot bearing 28 for the link 20 for the latter to slide back and forth in when actuated by the rocker 19. With the parts in the position shown in F ig. 3, the instrument is set for its normal pitch. The screw nut l0 is adjusted on the bearing 7 for either high or low pitch and thus determines, upon the abutment of the nut against the stop 11, the length of travel of the valve slides.

Assuming' that the screw nut 10 has been adjusted as shown in Figs. 1 and 3 and it is desired to make a quick change to A, the tuning slide 6 is extended, thus bringing the fingers 26 into contact With the pins or lugs 25 on the link .QzZ Now a. continued movement, in extending the tuning slide 6 results in said 'fingers 2G pulling the link Q2 bodily in the directionof the extension and said link by reason of its connection 23 with the slide 14C extends this slide. Vhile these movements are taking place, the rocker 19 is rocked upon its pivot 18, thus causing' the link 2() to be moved bodily in longitudinal direction, the link by reason of its pivotal connection 21, extending the slide 13. The extension of all three slides G, 13 and 141e is ultimately stopped when the nut 10 strikes the stop 11.

The tuning slide (3 is free to move a distance equal to the distance between the pins or lugs 24; and 25 in both directions, Without operating the links and rocker or the slides 13 and 1st, thereby enabling me to adjust thetiming slide G, Whenever it is desired, Without moving the other slides; but, as soon as the fingers 26 contact With the lugs or pins 2-l and 25 any further movement of the tunlil() ing slide 6 results in an automatic adjustment of the slides 13 and lll for a higher or lower pitch according to the direction in Wliicli the slides are moved.

By reason of my improved mechanism for adjusting` the slides simultaneously, I am enabled to accurately and quickly adjust the instrument to a higher or lower pitch.

l claim A cornet having tivo valve Slides and aI quick change or tuning` slide, a rocker pivotally mounted on the i'lxed poi-tion of the cornet7 a link connecting one end of said rocker to one of said valve slides and al second link connecting the other end of said rocker to the second oi.' said valve slides,

lugs on one of said links, and means carried by the quick change or tuning slide adapted to contact alternately with said lugs, Whereby the rookenis operated during part of the movement oit the quick change or tuning slide to move the said valve slides, an adjustable stop being provided 'for the quick change or tuning` slide to limit the movement thereof.

The foregoing specilication signed at Elkhartj indiana7 this 13th day of ctoloer, 1914-.

CHARLES G. CONN.

ln presence of Dnssix FLENAR, HELEN HARRISON.

Copies of this patent may be obtained for cents each, by addressing the Commissioner of Patents, Washington, D.

Images