Patents Assigned to General Equipment & Manufacturing Co., Inc.
  • Magnetic proximity device
    Patent number: 4117431
    Abstract: A proximity device comprises a pair of connected magnets that are movable with respect to a magnetizable member located intermediate the magnets and secured in a housing. The magnets are arranged to provide a high rate of change of force between the magnets and the member as the magnets are moved by the approach or retreat of a magnetizable operator to or from an area adjacent one of the magnets and remote from the magnetizable member between the magnets.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: September 26, 1978
    Assignee: General Equipment & Manufacturing Co., Inc.
    Inventor: Robert L. Eicher