Patents by Inventor Daniel Lightsey

Daniel Lightsey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Circuit breaker system and safety operating handle for a circuit breaker system
    Patent number: 10403454
    Abstract: A circuit breaker system includes an internal operating handle disposed inside an enclosure and coupled to a shaft extending from a circuit breaker. The internal operating handle includes a dog clutch coupled to the shaft and a rotary handle coupled to the dog clutch. The rotary handle is operative to rotate the shaft when the dog clutch is engaged. A safety operating handle system for turning a shaft to operate a circuit breaker includes a rotary handle and a dog clutch having a first clutch member coupled to the rotary handle and having a second clutch member coupled to the shaft. The dog clutch is operative to transmit a rotation of the rotary handle to the shaft when the first clutch member is in an engagement position.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: September 3, 2019
    Assignee: ABB Schweiz AG
    Inventors: Gagandeep Singh, Daniel Lightsey
  • CIRCUIT BREAKER SYSTEM AND SAFETY OPERATING HANDLE FOR A CIRCUIT BREAKER SYSTEM
    Publication number: 20170372856
    Abstract: A circuit breaker system includes an internal operating handle disposed inside an enclosure and coupled to a shaft extending from a circuit breaker. The internal operating handle includes a dog clutch coupled to the shaft and a rotary handle coupled to the dog clutch. The rotary handle is operative to rotate the shaft when the dog clutch is engaged. A safety operating handle system for turning a shaft to operate a circuit breaker includes a rotary handle and a dog clutch having a first clutch member coupled to the rotary handle and having a second clutch member coupled to the shaft. The dog clutch is operative to transmit a rotation of the rotary handle to the shaft when the first clutch member is in an engagement position.
    Type: Application
    Filed: June 27, 2016
    Publication date: December 28, 2017
    Inventors: Gagandeep Singh, Daniel Lightsey