Patents by Inventor Thomas Dean Morrell

Thomas Dean Morrell 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).

  • Publication number: 20180317396
    Abstract: A handheld edger includes an electric powerhead coupled to a mounting location, a member, and a cutting assembly. The electric powerhead includes a motor having an output shaft rotating at a first speed about an output shaft axis and a battery configured to power the motor. The member extends from the mounting location and includes an upper portion and a lower portion, the lower portion configured to be removable and replaceable to exchange one or more attachments. The cutting assembly coupled to the member includes a drive shaft, a blade coupled to and driven by the drive shaft, and a worm drive coupled to the output shaft of the motor and the drive shaft, the worm drive configured to cause the drive shaft to rotate the blade at a second speed. A gear ratio of the worm drive is larger than 40:1.
    Type: Application
    Filed: May 4, 2018
    Publication date: November 8, 2018
    Applicant: Briggs & Stratton Corporation
    Inventors: Patrick H. Bukowski, Jeremiah John Guinta, Thomas Dean Morrell, Stephen J. Ryczek