Crank fastening device for a toddler's tricycle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 5, 2007
app pub date -
Oct 3, 2005
filing date -
Oct 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A crank fastening device for a toddler's tricycle includes an axle, front struts, cranks and pedals. The axle comprises a pair of non-round center holes at respective ends. The crank has one end connected to a relative pedal and another end provided with a connecting section and covered with a lid. The lid comprises a threaded section. An axle seat is provided at the bottom of each front strut. The axle seat comprises an inner threaded hole corresponding to the threaded section of the lid. A recess is provided in the inner wall of the hole of the axle. The connecting section of the crank comprises a tenon corresponding to the recess of the hole of the axle.
First Claim
Family
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Cited Art Landscape
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