Rack, Grate Bar Extension Patents (Class 460/120)
  • Threshing and separation method to separate grains from material other than grain via threshing and separating apparatuses
    Patent number: 12349632
    Abstract: A combine for harvesting a harvested material that includes a grain, the combine comprising: a threshing chamber comprising a series of threshing and separating apparatuses, sequentially arranged, comprising at least: (i) a straight bar concave (ii) a first round bar concave, and (iii) a second round bar concave. The size of each of the straight bar throats is smaller than a size of the first openings, and the size of each of the first openings is smaller than the size of each of the second openings.
    Type: Grant
    Filed: January 7, 2025
    Date of Patent: July 8, 2025
    Assignee: CALMER HOLDING COMPANY, LLC
    Inventors: Marion Calmer, Daniel Wallerstedt
  • Thermal printer
    Patent number: 4636810
    Abstract: A thermal printer is capable of maintaining the heating elements thereof at a constant temperature to achieve uniform print density and to avoid abnormal heating of the heating elements. For this purpose each heating element receives a stronger driving pulse at the first printing operation in a scan line and receives a weaker driving pulse at the subsequent printing operation.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: January 13, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Asakura, Mineo Nozaki, Masasumi Nagashima, Yoshio Uchikata