MOBILE ROBOT DRIVE SYSTEM
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Oct 13, 2020
filing date -
Oct 14, 2019
priority date (Note) -
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Abstract
A mobile robot can include a chassis and support wheels configured to support the chassis on a ground surface. The mobile robot can have a drive assembly that includes a drive wheel mounted to a control arm for moving the mobile robot. The control arm can pivot about a pivot axis. The pivot axis can be rearward of the axis of rotation of the drive wheel. The pivot axis can be lower than the axis of rotation of the drive wheel. The pivot axis can be lower than the axis of rotation for one or more of the support wheels. A biasing member can bias the control arm downward. Braking using the drive wheel can increase the force of the drive wheel against the ground. Accelerating using the drive wheel can decrease the force of the drive wheel against the ground.
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