Patents Assigned to Safety Design, Inc.
  • Power blocking circuit breaker locking device
    Patent number: 6266231
    Abstract: A circuit breaker lock-out device is disclosed, the lock-out device including a U-shaped channel member with a plurality of closed slots paired opposite one another in the side walls of the channel. The device includes lock-out bars comprising a notched stem transversely aligned with the channel member to immobilize a circuit breaker switch in either the “OFF” or “ON” position as desired. The bars are “locked” in position with a padlock or closed-door padlockable bar, immobilizing the circuit breaker switch.
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: July 24, 2001
    Assignee: Safety Design, Inc.
    Inventors: Thomas Warren Donahue, Wilburn Dale Myers