Lawn mower with pivotal rocker arm assembly

US12329062B2 · kind B2 · utility

Assignee

• Briggs & Stratton, LLC · US

Inventors

• Jeffrey M. Zeiler · Pewaukee, US
• Todd W. Johnson · Wauwatosa, US
• Christopher Krajewski · West Allis, US
• Nicholas Zeidler · Brookfield, US
• Jacob Schmalz · Milwaukee, US
• Bryan Keith Dandridge · Waukesha, US
• Ryan Jaskowiak · Mukwonago, US
• Matthew S. Zurawski · Whitewater, US
• Ryan Hahn · Elm Grove, US

Key dates

• Filing date: Jun 1, 2023
• Grant date: Jun 17, 2025
• Expiry date: Jun 1, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60K2360/143
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An outdoor power equipment device, such as a lawn mower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels.