Human-powered, hands-free, maneuverable, multi-use trailer

Details Human-powered, hands-free, maneuverable, multi-use trailer Human-powered, hands-free, maneuverable, multi-use trailer

2007-06-05

2009-06-23

Winner, Tony H. (Department: 3611)

Land vehicles

With means for engaging body of walking attendant

C280S047320, C224S184000

Reexamination Certificate

active

07549648

ABSTRACT:
A highly maneuverable, multi-use, human-powered cart for comfortably transporting substantial loads. A cargo basket is defined between upper and lower subframes forming a rigid, low-profile frame at the middle of the trailer. The frame rear terminates in a pair of articulated forks supporting a large wheel that bears most of the cargo weight. An adjustable and pivoted yoke assembly at the front of the frame supports an articulated harness assembly worn by the user. The yoke assembly preferably comprises an upwardly angled yoke tube slidably coupled and pivoted to the frame front at the tube's lower end. Height adjustments are facilitated by the slidably adjustable yoke tube relative to the frame to accommodate various user heights. The device folds for storage or for carrying on the users back while crossing challenging terrain.

REFERENCES:
patent: 4236723 (1980-12-01), Lemmon
patent: 4261590 (1981-04-01), Schupbach
patent: 5385355 (1995-01-01), Hoffman
patent: 5433462 (1995-07-01), Groleau
patent: 5903997 (1999-05-01), Jacob
patent: 6139033 (2000-10-01), Western
patent: 6361063 (2002-03-01), Daeschner
patent: 6935643 (2005-08-01), Purpuro
patent: 7322584 (2008-01-01), Parker
patent: 2006/0237918 (2006-10-01), Satorius

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