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Walter Haedrich Phones & Addresses

  • Rock Island, IL
  • 1015 11Th St, Moline, IL 61265

Publications

Us Patents

Flute

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US Patent:
43764037, Mar 15, 1983
Filed:
May 1, 1981
Appl. No.:
6/259755
Inventors:
Walter Haedrich - Moline IL
J. Dennis Lawson - Davenport IA
International Classification:
G10D 904
US Classification:
84384
Abstract:
The flute invention relates to fingering mechanisms. More readily attained and maintained technical competence in playing the flute is enabled by facilitator mechanism (13) for improved actuation of the B flat key. Facilitator mechanism (14) includes a rocker bar (54) coupling the Briccialdi B flat lever to the rod assembly sections carrying the B flat key and the G key. Coupling between the G sharp lever and the B flat key is maintained by cam (67, 81) and plate (68, 82).
Walter E Haedrich from Rock Island, ILDeceased Get Report