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 Title: |
US3860264:
LEAN VELOCIPEDE
[ Derwent Title ]
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Country:
Kind: |
US United States of America
A PATENT [FROM BEGIN UNTIL END 2000] or PATENT ISSUED AFTER 1ST PUB. WITHIN THE TVPP i
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| Inventor: |
DOUGLAS RAYMOND J;
LIBBY EDWARD W;
MOQUIN LEONARD R;
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| Assignee: |
MATTEL INC
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| Published / Filed: |
1975-01-14
/ 1973-01-15
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| Application Number: |
US1973000323544
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| IPC Code: |
Advanced:
B62K 5/06;
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| ECLA Code: |
B62K5/02; B62K5/06;
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| U.S. Class: |
280/266;
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| Priority Number: |
| 1973-01-15 |
US1973000323544 |
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| Abstract: |
A velocipede having a front wheel assembly carrying a front wheel and a rear wheel assembly carrying a pair of co-axial rear wheels. The wheel assemblies are pivotally connected approximately midway between the axis of rotation of the front wheel and the axis of rotation of the pair of rear wheels by a pivotal coupling member that is rotatable around an axis that lies in the longitudinal plane of the velocipede at an angle of 20 DEG from the vertical. A spring within the pivotal coupling member limits the relative displacement of the wheel assemblies to 25 DEG on either side of the vehicle's normal forward position in response to sideways tilting of the front wheel assembly by means of a weight shifting or a leaning motion of the rider of the velocipede.
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