Foldable utility cart with lift mechanism

Details Foldable utility cart with lift mechanism Foldable utility cart with lift mechanism

2005-05-10

2005-05-10

Fischmann, Bryan (Department: 3618)

Land vehicles

Wheeled

Extensible

C280S033991, C280SDIG007, C280SDIG007

Reexamination Certificate

active

06889998

ABSTRACT:
A foldable utility cart (10) includes a pair of spaced, parallel frame members (22). A collar (50) is disposed about each of the frame members (22) and is slidable therealong. A pair of front legs (40) and a pair of rear legs (46) are pivotally connected to the collars (50). The front and rear legs (40, 46) each support a wheel (44, 48). The collars (50) can be moved from a raised position where the legs (40, 46) and wheels (44, 48) are folded adjacent each other, to a lowered position where the legs (40, 46) and wheels (44, 48) are extended to support the cart (10) for movement on the ground. The cart (10) includes a moveable basket carrier assembly (18). The basket carrier assembly (18) includes toothed racks (110) that are connected to channel members (24) for movement therealong. A ratchet clutch (136) is used to permit up or down movement of the racks (110) and to maintain the racks (110) at any desired vertical position.

REFERENCES:
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patent: 5887887 (1999-03-01), Keuning
patent: 5938396 (1999-08-01), Audet
patent: 6176498 (2001-01-01), Murphy
patent: 6203054 (2001-03-01), Matsumoto

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