Land vehicles – Wheeled – Extensible
Reexamination Certificate
2007-05-22
2007-05-22
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Extensible
C280S655000, C280S047260, C280S047240, C280SDIG007
Reexamination Certificate
active
11093248
ABSTRACT:
An easily detached and assembled golf cart with an auxiliary wheel comprises: a frame having an upper end, a lower end, and a mid-frame pivot; a first wheel rotatably fixed to the first wheel supporter and a second wheel rotatably fixed to the second wheel supporter; and an auxiliary wheel. The cart further comprises a connecting unit having a first retainer, a second retainer connecting to the first retainer and a wheel retainer; a hook unit axially installed to the insertion unit; the hook unit having a plate; the plate having a tenon capable of being inserted into a buckling groove of the first retainer of the connecting unit. When the first retainer of the connecting unit inserts into the insertion unit, the tenon of the plate is buckled into the buckling groove for assembling the connecting unit to the insertion unit.
REFERENCES:
patent: 2619360 (1952-11-01), Fritz
patent: 2914336 (1959-11-01), Hibben, Jr. et al.
patent: 6641228 (2003-11-01), Liu
patent: 2001/0033070 (2001-10-01), Reimers et al.
patent: 2003/0122353 (2003-07-01), Liao
patent: 2003/0160408 (2003-08-01), Liao
patent: 2004/0195806 (2004-10-01), Reimers et al.
Ellis Christopher P.
Olszewski John R.
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