Land vehicles – Wheeled – Stable vehicles – handle-propelled
Reexamination Certificate
2007-11-06
2009-06-30
Ellis, Christopher P (Department: 3618)
Land vehicles
Wheeled
Stable vehicles, handle-propelled
C280S654000, C280SDIG007
Reexamination Certificate
active
07552931
ABSTRACT:
A golf cart collapsible device includes a frame including an upper frame and a lower frame, a foldable articulation mounted on a mediate portion of the lower frame for folding the lower frame, two rear wheel frames mounted between the lower frame and two rear wheels, a collapsible articulation mounted between the lower frame and a front wheel frame for folding a front wheel, and a pull bar mounted between the collapsible articulation and the two rear wheel frames. Thus, the pull bar is connected between the collapsible articulation and the two rear wheel frames, so that when the front wheel is folded, the pull bar is driven to move the two rear wheels simultaneously so as to fold the front wheel and the two rear wheels simultaneously by connection of the pull bar.
REFERENCES:
patent: 4657100 (1987-04-01), Lewis
patent: 5582419 (1996-12-01), Lucia et al.
patent: 6299195 (2001-10-01), Chan
patent: 6715785 (2004-04-01), Shieh
patent: 7063340 (2006-06-01), Wu
patent: 7137644 (2006-11-01), Kimberley
Avery Bridget
Ellis Christopher P
Kamrath Alan
Kamrath & Associates PA
Unique Product & Design Co., Ltd.
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