Charles Jeffrey Spencer

Title: Innovations by Charles Jeffrey Spencer

Introduction

Charles Jeffrey Spencer is an accomplished inventor based in Chicago, IL. He holds two patents that showcase his innovative contributions to electrical safety and functionality. His work reflects a commitment to enhancing the reliability and safety of electrical systems.

Latest Patents

One of Spencer's latest patents is the "Protective Fuse Shield for Disconnect Switches." This invention features a fuse shield plate that is pivotally mounted over the fuses associated with a disconnect switch. The design includes an interlock rod connected to the switch operating lever, which prevents the fuse shield from being opened when the switch contacts are closed. Conversely, when the fuse shield is opened, it prevents the operating lever from closing the switch contacts, ensuring safety during maintenance.

Another significant patent is the "Dead Front Interlocked Receptacle." This invention includes an actuator shaft with a handle adjacent to the dead front receptacle. The actuator arm is designed to prevent the disconnect switch from being turned on when the actuator shaft is in its first position. The mechanism allows for safe insertion of a plug, which engages a locking pin to prevent removal and ensures the actuator arm is moved out of the way, allowing the switch to operate safely.

Career Highlights

Throughout his career, Charles Jeffrey Spencer has worked with notable companies, including Appleton Electric Company and S-B Power Tool Company. His experience in these organizations has contributed to his expertise in electrical engineering and safety innovations.

Collaborations

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Conclusion

Charles Jeffrey Spencer's contributions to electrical safety through his innovative patents demonstrate his significant impact in the field. His work continues to influence the design and functionality of electrical systems, ensuring greater safety and reliability.