Company Filing History:
Years Active: 1976-1982
Title: Innovations by Donald W. Smith
Introduction
Donald W. Smith is a notable inventor based in Edmond, OK (US), recognized for his contributions to roadway planing technology. With a total of six patents to his name, Smith has developed innovative solutions that enhance the efficiency and effectiveness of roadway maintenance.
Latest Patents
One of Smith's latest patents is a roadway planing apparatus designed to cut a selected upper portion of a roadway surface to align with a preselected reference plane. This apparatus features a main frame supported by a drive assembly, which carries a planing assembly comprising a rotating cutter drum assembly and a cutter drive assembly. The cutter drive assembly includes a pair of cutter power assemblies that are connected to a rotating hub member, which drives the cutter drum assembly. Additionally, the apparatus is equipped with an upper material lifting conveyor that elevates and moves roadway material disengaged by the planing assembly. A spray bar assembly is also included to clean the non-transport surface of the conveyor belt, ensuring optimal performance.
Another significant patent by Smith involves a wheeled roadway planing machine where the wheels are pivotable by individual hydraulic rams for steering purposes. Each ram is controlled by a rotary, blocked-center valve, which is actuated simultaneously by a linkage to initiate the pivoting of the wheels. This innovative design allows for precise control of the cutting drum's position and depth, ensuring accurate cuts in the roadway.
Career Highlights
Throughout his career, Donald W. Smith has made substantial advancements in roadway maintenance technology. His work at CMI Limited has positioned him as a key figure in the development of machinery that improves the efficiency of roadway planing operations. His patents reflect a deep understanding of engineering principles and a commitment to innovation in the field.
Collaborations
Smith has collaborated with notable colleagues, including George W. Swisher, Jr. and Larry W. Teel, contributing to the advancement of technology in roadway maintenance.
Conclusion
Donald W. Smith's innovative patents and contributions to roadway planing technology have significantly impacted the industry. His work continues to influence the development of efficient and effective roadway maintenance solutions.