Multipurpose work site utility carrier

Details Multipurpose work site utility carrier Multipurpose work site utility carrier

2007-09-14

2010-10-19

Phan, Hau V (Department: 3618)

Land vehicles

Wheeled

Extensible

C280S047180, C280S047190, C280S047340, C280S047240, C280S047350

Reexamination Certificate

active

07815215

ABSTRACT:
This disclosure describes a work site utility carrier that configures as a dolly or hand truck in its retracted mode and a work bench in its elevated mode. Pivoting arm pairs enable the carrier's lower and upper receptacles to be transitioned between modes. Two “wheelbarrow” handles are pivotally attached at the lower outer end of the upper receptacle. When oriented at right angles to the upper receptacle bottom, the handles lessen the effort needed to maneuver the carrier. In a “semi-inclined” position the carrier rests in part on the handle outer ends, with much of the mass of the upper receptacle already elevated. Full elevation is facilitated by moving the lower receptacle toward the handle outer ends which act as brakes to keep the carrier stationary during the elevation.

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patent: 7255355 (2007-08-01), Chisholm et al.
patent: 7434819 (2008-10-01), Dunavin
patent: 2005/0212236 (2005-09-01), Tiramani et al.
patent: 2005/0242534 (2005-11-01), Woods et al.

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