Patents Represented by Attorney John T. Marvin
  • Patent number: 4121534
    Abstract: A handbell including an improved clapper assembly utilizing an adjustable clapper bearing whereby wear that may cause poor fidelity of tone may be eliminated through periodic adjustment of said bearing without disassembly of the bell or other disturbance of the "factory" assembly thereof.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: October 24, 1978
    Inventor: Jacob H. Malta
  • Patent number: 3941082
    Abstract: A handbell including an improved clapper assembly that is adjustable with respect to the force required to cause it to swing into strike contact with the bell and is independently adjustable to vary the tonal quality of its strike, whereby a variety of affects, including raw and muted sounds, may be obtained from a given bell through manual adjustment of the clapper which is possible during the course of playing the bell. Additional improvements reside in the specific construction of the adjustments and the means for indexing the position of the bell handle with respect to the clapper assembly.
    Type: Grant
    Filed: May 16, 1974
    Date of Patent: March 2, 1976
    Inventor: Jacob H. Malta