Foldable handcraft capable of being carried about on its...

Details Foldable handcraft capable of being carried about on its... Foldable handcraft capable of being carried about on its...

2007-04-27

2008-10-28

Ellis, Christopher (Department: 3618)

Land vehicles

Wheeled

Tiltable vehicles, stabilized by attendant or article

C280S646000, C280S652000, C280S639000

Reexamination Certificate

active

07441785

ABSTRACT:
A foldable handcart can be carried about on its wheels after being folded. The handcart has a handle structure. The lower ends of the handle structure are pivotally coupled to a frame. The frame is formed of a pair of tubes. The lower ends of the tubes are pivotally coupled to a block board. The block board can be rotated upward to contact the frame. The lower ends of the tubes are respectively sleeved by a toothed ring which engages with the teeth on the top of a sleeving tube of a wheel seat. The other side of the wheel seat is pivotally coupled to a wheel. When the block board is rotated upward, the back wall of the block board is still apart from the ground by an appropriate distance, and the wheels can thus contact the ground. Thereby, the handcart can be easily carried about on its wheels.

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patent: 6053514 (2000-04-01), Su
patent: 6425599 (2002-07-01), Tsai
patent: 6685214 (2004-02-01), Gregory
patent: 7097183 (2006-08-01), Su
patent: 2002/0180184 (2002-12-01), Chang

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