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US 7,626,287 B2Granted
High voltage loadbreak switch safety indicator
OwnerDean Sandersinventor
Life of this patent
Estimating the term…
Abstract
A loadbreak, switch safety device mechanism, which provides easily visible, positive alignment and engagement of high-voltage switch loadbreak actuating and trip arms. The apparatus can be easily adapted to various types of high-voltage loadbreak designs. The apparatus is comprised of a new high-voltage loadbreak switch interrupter safety flag, constructed of a molded, rotatable arm about a pivot axis.
Claims5
A High Voltage Loadbreak Switch Safety Indicator apparatus comprising:
- a switch safety indication device wherein proper contact blade closure is positively displayed and wherein said switch safety indication device is a reflective caution warning device that rotates to indicate visible positive contact alignment.
A method for indicating high voltage switch safety, comprising the steps of:
- indicating proper contact blade positioning,
- preventing improper contact blade positioning, and
- facilitating proper trip arm and actuator arm engagement.
Dependencies are inferred from the claim text.