Hand-propelled, self-driving, traveling machine
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United States of America Patent
Stats
-
Sep 13, 2022
Grant Date -
Aug 13, 2020
app pub date -
Apr 29, 2020
filing date -
Nov 8, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hand-propelled, self-driving, traveling machine that includes a clutch which enables transmission between a wheel and a transmission shaft. The clutch provides a drive state in which the transmission shaft drives the wheel to rotate and an unlocked state in which the wheel is rotatable relative to the transmission shaft. The clutch includes a driving member, combined with the transmission shaft, a movable pin, movable between a locked position in which the clutch is in the drive state and an unlocked position in which the clutch is in the unlocked state, a transmission member connected to the wheel, a movable friction member provided with a limiting slot, where the movable pin is partially disposed in the limiting slot, and a fixed friction member that is fixed to the chassis and that is in a frictional contact with the movable friction member.
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