Land vehicles – Wheeled – Stable vehicles – handle-propelled
Reexamination Certificate
2006-06-28
2008-03-18
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Stable vehicles, handle-propelled
C280S087010, C280S087021, C403S112000, C403S113000, C403S117000
Reexamination Certificate
active
07344144
ABSTRACT:
A steering control coupling structure used in a children's wagon having a wheel assembly and a towing bar is disclosed to include a linking bracket affixed to the wheel axle of the wheel assembly, a first adapter affixed to a carriage and pivoted with the carriage to the linking bracket by a pivot device, the first adapter having a circular coupling hole and two 135° sector guide holes at two sides of the circular coupling hole, and a second adapter, which is affixed to the linking bracket around the pivot device and has a circular coupling block coupled to the circular hole of the first adapter and two 45° sector guide blocks respectively inserted into the 135° sector guide holes for forcing the second adapter to bias against the first adapter when the towing bar is biased to force the wheel assembly to change the steering direction.
REFERENCES:
patent: 3069182 (1962-12-01), Hufford
patent: 4596422 (1986-06-01), Stahel
patent: 4744575 (1988-05-01), Tonelli
patent: 5947493 (1999-09-01), Pasin et al.
patent: 6186524 (2001-02-01), McQueeny et al.
patent: 6206390 (2001-03-01), Borg
patent: 6948400 (2005-09-01), Nakamura et al.
Ellis Christopher P.
Life Style Metal Co., Ltd.
Walters John D
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