Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Reexamination Certificate
2005-09-06
2005-09-06
Shriver, J. Allen (Department: 3618)
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
C280S047280, C280S030000, C280S047180, C280S047200
Reexamination Certificate
active
06938905
ABSTRACT:
A hand truck includes a main frame, a movable frame pivotally connected with the main frame, a wheel set, and a handle able to be connected with the main frame with its height adjustable or to be connected with a handle receiving short tube fixed upright on the main frame in case of transforming the two wheeled hand tuck, two wheel supporters fixed under the main frame for additionally combining two independent wheels for transforming the two wheeled hand truck into a four wheeled one.
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