Patents by Inventor Lino Ragni

Lino Ragni has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5696340
    Abstract: Improvements to keyboards for electronic pianos and the like, wherein a support, preferably made of sheet metal, with a U-shaped section and a flat section and provided with a number of hammers equal to the number of keys, which hammers are made integral with the support by means of specific pivoting elements. These hammers are preferably made of metal and suitably shaped and balanced for actuation by the keys. An elastic escapement member is carried by the portion of the hammer making contact with the key typically by coated with a rubber element provided little step which, when the key is depressed and the thrust element inside the key comes into contact with the step, produces a slight release, similar to the feeling of escapement one perceives when playing a conventional piano.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: December 9, 1997
    Inventor: Lino Ragni