Safety wheel of a baby's wheeled chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Grant Date -
N/A
app pub date -
Sep 7, 2000
filing date -
Sep 7, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety wheel of a baby's wheeled chair has a support member, a right wheel part, a left wheel part, a ball and a side cover. The support member is connected to a lower side of the wheeled chair. The right wheel part is turnably connected to the support member. The left wheel part is connected to the right wheel part, and has an elongated confining trench. The side cover is connected to the support member adjacent to the left wheel part with the ball confined within the trench and the side cover. The ball can move to a lower end portion of the confining trench due to gravity for same to be stopped by a stopping part of the side cover when the wheel rolls in a first direction, and not to be stopped by the stopping part when the wheel rolls in an opposite direction.
First Claim
Family
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Cited Art Landscape
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