Land vehicles – Wheeled – Extensible
Reexamination Certificate
2011-01-11
2011-01-11
Shriver, II, J. Allen (Department: 3618)
Land vehicles
Wheeled
Extensible
Reexamination Certificate
active
07866685
ABSTRACT:
A golf cart collapsible device includes a frame folding articulation, a linking mechanism, a four-bar linkages mechanism, a front wheel, two rear wheels and a locking mechanism. Thus, the front wheel and the rear wheels are folded and expanded simultaneously by driving the upper frame, so that the golf cart is folded and expanded easily, quickly and conveniently. In addition, the front wheel and the rear wheels can be folded and expanded simultaneously, so that the user needs not to hunker or bend his/her body to fold and expand the front wheel individually, thereby greatly facilitating the user folding and expanding the golf cart.
REFERENCES:
patent: 4784401 (1988-11-01), Raguet
patent: 7128333 (2006-10-01), Reimers et al.
patent: 7137644 (2006-11-01), Kimberley
Kamrath Alan
Kamrath & Associates PA
Shriver II J. Allen
Triggs James
Unique Product & Design Co., Ltd.
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