Patents Assigned to Simmons-Rand Corporation
  • Apparatus and process for using a self-aligning bearing
    Patent number: 4771144
    Abstract: An apparatus and process for using a self-aligning bearing having a ball movably seated in a socket mounted in a wall of an explosion-proof enclosure and slidably receiving a shaft for transferring motion from the outside to the electrical equipment inside of the enclosure. The abutting surfaces between the ball and socket of the bearing and the ball and the shaft have minimum flame path lengths to meet minimum safety requirements for extinguishing electrical arcing passing along such abutting surfaces.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: September 13, 1988
    Assignee: Simmons-Rand Corporation
    Inventor: Wynand M. Goyarts
  • Process for making an enclosure outlet connection device
    Patent number: 4767901
    Abstract: An outlet connection device transfers motion from outside to inside an explosion proof enclosure and includes a process for using a self-aligning bearing retained in a wall of the enclosure. The self-aligning bearing has flame paths selected to meet minimum safety requirements and contains a shaft for transferring either rotary, axial or joy-stick motion into the enclosure. In a rotary transfer arrangement an electric rotary switch is connected through a blade engaging the shaft passing through the self-aligning bearing.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: August 30, 1988
    Assignee: Simmons-Rand Corporation
    Inventor: Wynand M. Goyarts