Patents by Inventor Howard Greenwalt

Howard Greenwalt 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).

  • Setting machine having moveable upper receiver
    Patent number: 5234147
    Abstract: A vertically moveable upper receiver is suspended on the machine by spring means and has a central vertical cavity therethrough. A pair of opposed springs bias together jaws in the receiver having aligned notches therein which receive the part. The upper tool or punch descends through the cavity, engages the part, drives it out of its notches and downward against the inward pressure of the jaws, the receiver descending through this operation, and the part arrives precisely centered at the setting locus.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: August 10, 1993
    Assignee: Scovill Fasteners Inc.
    Inventor: Howard Greenwalt