US1529430A - Tool for rolling the edge of a wind musical instrument valve seat - Google Patents

Description

, March 10, 1925. 1,529,430; E. J. GULI CK m TOOL FOR ROLLING THE EDGE OF A WIND MUSICAL INSTRUMENT VALVE S EAT Filed Dec. 21, 1923 7 v z WW 5' l 5 \Y nu 4 I 2 Ivar/6%): My

Patented Mar. 10, 1925.

UNITED STATES 1,529,430 PATENT OFFICE.

EDWARD J. GULICK, OF ELKHART, INDIANA, ASSIGNOB TO 0. G. CONN, LTDz, OF ELK- HART, INDIANA, A CORPORATION OF INDIANA.

TOOL FOR ROLLING THE EDGE OF A WIND MUSICAL INSTBUMIENT VALVE SEAT.

Application filed December 21, 1923.

To all whom it may concern:

Be it known that I,'ED\VARD J. GULIOK,

a citizen of the United States. residing in the city of Elkhart, county of Elkhart, and State of Indiana, have invented certain new and useful Improvements in Tools for R011- ing the Edge of a l Vind Musical Instrument Valve Seat, of which the following is a specification.

My invention relates to tools and especially to tools for making parts of wind musical instruments.

The primary object of this invention is to provide a tool for rolling or beading the valve seat of wind musical instruments, especially saxaphones.

The preferred embodiment of my invention is illustrated in the accompanying drawing, in which Figure 1 is a view of a saxaphone provided with rolled edge valve seats; Fig. 2 is a section taken transversely through a saxaphone body at the valve seat illustrating the tools in position after rolling the valve seat edge; Fig. 8 is a fragmental side elevation of the exterior of the same elements;

Fig. 1 is a view similar to Fig. 2 prior to rolling the valve seat edge; Fig. 5 is a view of the tool shoe; Fig. 6 is a transverse fragment of the valve seat enlarged, illustrating the rolled valve seat edge; Fig. 7 is an elevation of the tool shoe holder showing a modification of the shoe; Fig. 8 is a bottom plan view thereof; and Fig. 9 is a side elevation of the shoe shown in Figures 7 and 8.

Similar numerals of reference indicate like parts throughout the several views on the drawing.

Reference to the details of the drawing discloses that the numeral 1 illustrates a saxaphone body provided with the usual plurality of integral valve seats 2, 2, said body being formed of ductile brass sheeting, or other suitable flexible metal, the valve seat edge 3 being outwardly rolled, as illustrated, to cause less wear on the kid leather faced valve pad-not shownthe use whereof is common and well known in the art.

The tool for rolling the valve seat edge 3 comprises generally the cylindrical tapered mandrel 4 positioned interiorly of the tubular saxaphone body 1, the cylindrical head element 5 and the shoe 6 detachably mounted upon the head. The head element 5 is provided with a shank 7 adapted to be gripped Serial No. 681,944.

by a rotary shaft forming a part of a drill press, or the like, to eifect rapid-rotation of the head 5 and the shoe 6 mounted thereon, and for the purpose of feeding the head and shoe downward into the valve seat as the edge of the latter is rolled over by the shoe of the tool.

The head 5 is transversely drilled at 8 to receive the cylinder shoe 6 which may be detachably mounted in position by a pin 9 to prevent rotary movement of said shoe, said pin engaging a suitable aperture in the shoe for that purpose. The opposite ends of the shoe 6 project beyond the periphery of the head 5 and the under side of each shoe end is provided with a substantially semicircular kerf 10 adapted to engage the upper edge of the valve seat 2. The tool head 5 is provided with a cylindrical guiding extension section 11 adapted to extend into the interior of the valve seat and the cylindrical socket 12 formed in the mandrel to guide said head and to prevent collapse and dis tortion of the valve seat during the process of rolling the seat edge 3. The mandrel 4: is adapted to fit closely within the saxaphone body to prevent collapse or distortion thereof while the valve seat edge is being rolled.

In the modification illustrated in Figures 7, 8 and 9 the shoe 6 is formed of a fiat plate and the head 5 and guide section 11 thereof are bifurcated at- 13 to receive and carry the shoe, the latter being secured detachably in position in said head by a pin 9 which may traverse the opening 14: in said shoe. The shoe 6 is provided with kerf's 10 at opposite sides thereof similar to kerfs formed in the shoe 6.

In operation, the mandrel 4. and saxaphone body 1 are assembled rigidly and the tool section 11 inserted in the valve seat interior and mandrel socket 12. Thereupon, the tool head 5, carrying the shoe 6, is rapidly rotated and fed downward until the valve seat edge 3 is rolled to the desired condition by the shoe kerfs 10. With the tool described it is possible to roll the valve seat edge 3 without distorting, denting or in any manner injuring the saxaphone body.

I claim:

1. A tool for rolling the edge of the valve seat of a wind musical instrument, comprising a mandrel provided with a socket; and a head element provided with a shoe, said shoe being providedwith a kerfand said head beingadaptedw to engage Within said mandrel socket-J 2. A tool for rolling the edge of a valve seat 6i? a'vviiid ma ical insti'u'nient; omprising a mandrel providedwith a socket and a head element provided with a detachable shoe, said shoe being provided'vvitli a kerf and said head being adapted to engage Within said mandrel socket. v

.3.YA tool for rolling the edge of a valve of a Wind musical"instrument, comprising a mandrel provided Wlth a socket; a head element. adapted to be rotatedand to engage vvithinsaidniandrel socket; ashoe element mounted in said, head transversely thereof and provided With a kei'f at its opposite ends; and means to prevent movement 0 said shoe in itsmount.

4. A tool forrolling the edge of the valve seat of a Wind mnsical instruinent; comprising a mandrel provided with a Socket; a fi'irCate'd head element adapted to engage Withinsaid niaiidr'el soolitjaiid a shoe eles nient mounted between the forks of said fureated head, said shoe being providedwith a kerf.

5. A toolfor rollingthe edge of the valve seat of a Wind iniis'iealinstrunient, comprising a mandrel provided With a-sooket; afur- Gated head elementv adapted to engage Within said inandi'el socket; asho'e eleme t detaehably seei red betiveenth'e forks of said flTllCQiQClhQZLd- MLlCl shoebein provided with a ker-f on theop'posite ends thereof.

In Witness whereof I have hei'eiinto aflixed f my signature this 5th dgyoi December, 1923;

EDl/VARD J GULICK.

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