Land vehicles – Wheeled – Extensible
Reexamination Certificate
2006-06-07
2009-06-09
Ellis, Christopher P (Department: 3618)
Land vehicles
Wheeled
Extensible
C280S638000, C280S642000, C280S038000, C280S651000, C280S655000
Reexamination Certificate
active
07543840
ABSTRACT:
A collapsible golf push cart includes a main frame having an upper frame, a lower frame, a rear wheel frame and two rear wheels rotatably mounted to the rear wheel frame respectively, at least a joint mechanism having at least a first joint member and at least a second joint member, the first and second joint members being connected with the lower and upper frames respectively, and a clasp member having a male clasp and a female clasp engaging with the first and second joint members respectively. The male clasp defines a block and a control mechanism for controlling the block, and the female clasp defines a notch to accommodate the block. The control mechanism causes the block to extend or retract to fix or release the clasp member for making the golf push cart in an extended or a collapsed position.
REFERENCES:
patent: 1968285 (1934-07-01), Egan
patent: 6435539 (2002-08-01), Wu
patent: 6886852 (2005-05-01), Cheng et al.
Ellis Christopher P
Evans Bryan A
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