Low friction vented rotary valve for brass wind instruments

Details Low friction vented rotary valve for brass wind instruments Low friction vented rotary valve for brass wind instruments

1999-06-21

2000-01-25

Nappi, Robert E.

Music

Instruments

Wind

84387R, G10D 904

Patent

active

06018115&

ABSTRACT:
A low friction vented rotary valve for a brass instrument is disclosed comprising a partially circumferential member providing a low friction engagement with the rotary casing. The partially circumferential member has first, second and third apertures therein with a first tube connected between the first and second apertures and a second tube connected at one end of the circumferential member. The second tube has an arcuate collar at its other end for providing another low frictional surface engaging the rotor casing.

REFERENCES:
patent: 74331 (1868-02-01), Fiske
patent: 530781 (1894-12-01), Leleand
patent: 1729568 (1929-09-01), Couturier
patent: 1764562 (1930-06-01), Gulick
patent: 2672783 (1954-03-01), Kaufer
patent: 4095504 (1978-06-01), Hirsbrunner
patent: 5361668 (1994-11-01), Andersen et al.
patent: 5686678 (1997-11-01), Greenhoe
patent: 5900563 (1999-05-01), Leonard

Affiliated with

Also associated with

Rating

Low friction vented rotary valve for brass wind instruments does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low friction vented rotary valve for brass wind instruments, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low friction vented rotary valve for brass wind instruments will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2317242