Motor vehicles – Steered by walking attendant
Patent
1998-02-26
1999-03-09
Ellis, Christopher P.
Motor vehicles
Steered by walking attendant
280653, 280 4731, B62D 5104
Patent
active
058788271
ABSTRACT:
A motorized wheelbarrow comprising a frame having a pair of handles with each handle having a proximal and a distal end and a pair of downwardly depending support elements. A first wheel is secured to the distal ends of the pair of handles by a frame element and a rear set of wheels is secured to the proximal ends of the pair of handles by a frame element. A mounting element is secured to the frame for supporting a drive engine. A drive mechanism including a chain and a sprocket is operably linked to a toothed wheel and to the drive engine. The toothed wheel includes an internal brake drum and internal brake shoes. A centrifugal clutch for engagement with the drive mechanism is operably engaged to a throttle mechanism and to the drive engine, and a load bucket is mounted to the frame.
REFERENCES:
patent: 2918133 (1959-12-01), Ericsson
patent: 3791470 (1974-02-01), Baddore et al.
patent: 4811988 (1989-03-01), Immel
patent: 5489000 (1996-02-01), Hillbohm
patent: 5690191 (1997-11-01), Burbank
Ellis Christopher P.
Hall Jeffrey A.
Power Technology Unlimited, Inc.
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