Location History:
- Peoria, IL (US) (1978)
- Chillicothe, IL (US) (1978 - 1979)
Company Filing History:
Years Active: 1978-1979
Title: Innovations of Willard O Kaarlela
Introduction
Willard O Kaarlela is a notable inventor based in Chillicothe, IL (US). He has made significant contributions to the field of earthworking tools, holding a total of three patents. His innovative designs have enhanced the functionality and efficiency of various earthworking devices.
Latest Patents
Kaarlela's latest patents include a "Resilient retention key for replaceable ripper teeth." This invention features a ripper tip that is detachably mounted on a wedge-shaped nose of a shank by an elongated retention apparatus. The retention apparatus comprises a resilient, expandable retainer defining a cavity, a lock pin partially disposed within the cavity, and an elastomeric slug urging the retainer into contact with the shank. The design ensures a secure fit while allowing for easy replacement of the ripper tip.
Another significant patent is the "Cartridge retaining means for earthworking tips." This invention involves an earthworking device with a support member that has a work tool, such as an earthworking tip, detachably mounted on its forward end. A pin is aligned through the support member and the work tool, while an annular replaceable cartridge retains the pin in position. The cartridge features a housing with an elastomeric member that engages the pin, ensuring a reliable and frictional retention.
Career Highlights
Willard O Kaarlela has spent a considerable part of his career at Caterpillar Tractor Co., where he has been instrumental in developing innovative solutions for earthworking machinery. His work has contributed to the advancement of technology in the industry, making earthmoving tasks more efficient and effective.
Collaborations
Kaarlela has collaborated with fellow inventor Eugene L Helton, sharing insights and expertise to further enhance their inventions. Their partnership has led to the development of groundbreaking technologies in the field of earthworking tools.
Conclusion
Willard O Kaarlela's contributions to the field of earthworking tools through his innovative patents have significantly impacted the industry. His work continues to inspire advancements in technology and efficiency in earthmoving applications.