# US 10,504,494 B2 · B/F tenor trombone for children

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- Number: US 10,504,494 B2
- Document ID: US10504494B2
- Status: Granted
- Kind: B2
- Application number: 15/995,064
- Filed: 2018-05-31
- Published: 2018-12-06
- Granted: 2019-12-10
- Earliest claimed: 2017-05-31
- Assignees: Thomann GmbH
- Applicants: Thomann GmbH
- Inventors: Wolfgang Reiser
- Web page: https://patentgrep.com/patent/US10504494B2

## CPC

- G10D 7/10: Lip-reed wind instruments, i.e. using the vibration of the musician's lips, e.g. cornets, trumpets, trombones or French horns
- G10D 9/04: Valves; Valve controls
- G10D: STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR (organs, harmoniums or similar wind musical instruments with associated blowing apparatus G10B; pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards G10C; automatic musical instruments G10F; electrophonic musical instruments in which tones are generated by electromechanical means G10H)

## Abstract

B/F tenor trombone for children, comprising a sound part and a slide, composed of an inner slide and an outer slide being movably disposed thereon, wherein the total length formed by sound part and slide has a tubing length Ls1+Ls2+Ls3+Lz1+Lz2+Lz3, and wherein in the 1st register, the slide has a tubing length Lz1+Lz2+Lz3 of less than 150 cm, and wherein the sound part has a tubing length Ls1+Ls2+Ls3 of more than 125 cm.

## Claims

### Claim 1

B/F tenor trombone configured for children having shorter arms than adults, comprising a sound part and a slide with a length shorter than a length of a slide of a conventional trombone, the slide composed of an inner slide and an outer slide being movably disposed thereon, the sound part including a completely circumferential tube bend, wherein the total length formed by sound part and slide has a tubing length Ls1+Ls2+Ls3+Lz1+Lz2+Lz3, wherein Lz1, Lz2, Lz1, Lz2 correspond to lengths of straight parallel sections and Ls3, Lz3 correspond to semi-circular tube bends, and wherein in the 1st register, the slide has a tubing length Lz1+Lz2+Lz3 of less than 150 cm, and wherein the sound part has a tubing length Ls1+Ls2+Ls3 of more than 125 cm, wherein the total length formed by sound part and slide is the same as that of a conventional trombone.

### Claim 2 (depends on 1)

B/F tenor trombone according to claim 1, wherein in the 1st register, the slide has a length Lz1+Lz2+Lz3 of 135 cm, and wherein the sound part has a length Ls1+Ls2+Ls3 of 145 cm.

### Claim 3 (depends on 2)

B/F tenor trombone according to claim 2, wherein the completely circumferential tube bend of the sound part has two straight parallel sections and two semi-circular tube bends.

### Claim 4 (depends on 2)

B/F tenor trombone according to claim 2, wherein the sound part comprises a quart valve, the quart valve being adjustable with the aid of a valve lever between a first position and a second position, and wherein in the first position, the quart valve is connected to the completely circumferential tube bend of the sound part, and in the second position, it is additionally connected to a valve slide.

### Claim 5 (depends on 4)

B/F tenor trombone according to claim 4, wherein the valve slide has a length of 95 cm.

### Claim 6 (depends on 4)

B/F tenor trombone according to claim 4, wherein the valve slide is a quart valve loop.

### Claim 7 (depends on 6)

B/F tenor trombone according to claim 6, wherein the instrument length is in a range of 98 cm to 103 cm.