All Comminuting Zones Of Cooperating Surface Type Patents (Class 241/139)
  • Patent number: 6149084
    Abstract: A coffee grinder which may be used in the hotel industry is positioned at an oblique angle to the vertical and makes it possible for several coffee grinders for different types of coffee to be accommodated in a minimal space. Coffee beans are fed into a grinding mill having fixed and rotating grinding wheels. The distance between the grinding wheels is adjustable. An ejection opening for discharge of the ground coffee powder allows the powder to be ejected tangentially and under the influence of gravity from the grinding mill.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: November 21, 2000
    Assignee: Egro AG
    Inventors: Anton Karg, Raffaele Puddu
  • Patent number: 4494611
    Abstract: An improvement is presented in an apparatus for processing soil for planting wherein a separator are provided for initially separating rocks and other large objects from soil prior to crushing thereof, the separator comprising a plurality of respectively upwardly and downwardly directed pins which cooperate in the removal of said rocks and other large objects from the soil. Also provided is a vertical rotatable power driven shaft centrally located in said apparatus wherein a plurality of radially extending arms are fixed thereto and are rotatable with the shaft. Some of said separating pins are fixed to the arms and some cooperating separating pins are fixed to a disc plate also mounted about said power driven shaft. A rotating plurality of discs crush said soil to reduce large particles and destroy weed seeds, insects, and larvae.
    Type: Grant
    Filed: February 11, 1982
    Date of Patent: January 22, 1985
    Inventor: Guillermo D. Alvarez