Patents by Inventor Patrick Quella

Patrick Quella 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).

  • Jaw crusher toggle beam hydraulic relief and clearing
    Patent number: 6375105
    Abstract: A jaw crusher having a stationary jaw and a movable jaw which define a variable crushing gap (or closed side setting), a toggle beam, and a toggle between the toggle beam and the movable jaw, and a toggle seat between the toggle and each of the beam and movable jaw for seating the toggle against the beam and movable jaw. A double-acting hydraulic ram having a connection with the toggle beam for shifting the toggle beam toward and away from the fixed jaw. An abutment is supported by the housing and engageable by the toggle beam for defining an adjustably variable limit of shifting thereof. End caps provide a rigidly guided sliding toggle beam having a plurality of alternatively selectable positions of adjustment.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: April 23, 2002
    Assignee: Astec Industries, Inc.
    Inventors: Matthew B. Haven, Patrick Quella, Brian P. Jaworski