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Portable keyboard tremolo musical instrument

  • US 6,740,800 B1
  • Filed: 02/13/2003
  • Issued: 05/25/2004
  • Est. Priority Date: 02/13/2003
  • Status: Expired due to Fees
First Claim
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1. A stringed musical instrument with finger-operable keys for playing tremolo notes, said instrument comprising:

  • a hollow sound box with horizontal top that supports a plurality of metal strings tuned to the chromatic scale of musical notes of a range of about two octaves, said sound box of a size that can be conveniently carried and supported by a shoulder strap in a playing position by a player;

    a manifold attached by attachment means to the top of a sound box, from which manifold a plurality of finger-operable keys extend forward toward a player, and from which a plurality of hammers extend rearward to make contact near the midpoints of said strings;

    an apparatus associated with each key that actuates a hammer to play tremolo notes on a string when said key is pressed down in a single downward motion by a player'"'"'s finger, said apparatus enabling control of frequency of tremolo by the distance that said key is pressed;

    a device associated with each key that quits the motion of a hammer when said key is released, said device stopping said hammer in a position that is a small distance over said string so that vibration of said string may continue unobstructed by contact with said hammer; and

    tilted mounting of said keys and of said hammers that assist a player in additionally varying the frequency of tremolo.

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