Convertible utility cart

Details Convertible utility cart Convertible utility cart

2007-03-09

2010-12-21

Vanaman, Frank B (Department: 3618)

Land vehicles

Wheeled

Extensible

C280S079300

Reexamination Certificate

active

07854444

ABSTRACT:
A convertible cart capable of being converted into a Bellman luggage cart, platform cart, or dolly cart. The convertible cart includes: (a) a platform having a third width, W3, (b) a first frame having a first width, W1, detachably coupled to the platform at a first position, (c) a second frame having a second width, W2, detachably coupled to the platform at a second position apart from the first position, (d) first coupling connector configured to detachably engage the first and second frame, respectively, with the platform, (e) a third frame having two ends detachably coupled to the first and second frame, respectively, (f) second coupling connector means detachably engage the third frame with the first and the second frame, respectively, and (g) a plurality of wheels operable mounted to the platform, in which W3>W2>W1.

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patent: 7219904 (2007-05-01), Boom et al.
patent: 7658388 (2010-02-01), Rodriguez et al.
patent: 2005/0140119 (2005-06-01), Wong

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