Motor vehicles – Steering by driving – Combined with manual steering
Patent
1987-04-07
1988-08-16
Love, John J.
Motor vehicles
Steering by driving
Combined with manual steering
15 50R, 180 628, 180 193, 188163, B62D 1108
Patent
active
047637412
ABSTRACT:
The invention relates to a steering device for paved surface cleaners, of a type commonly referred to as auto-scrubbers and comprising a first forward movement control assembly (11) having at least two manually seizable handle levers (13) for oscillation in an angular direction, an electric motor (8) controlled by the handle lever (13) oscillation, and two traction wheels (6) driven by the electric motor (8), and a second steering control assembly (12) independent of movements of the handle levers (13) and having at least two pushbutton controls (21a) located at the handle lever (13) ends and being actuatable manually, two electromagnets (19) connected electrically to said pushbutton controls (21a), and two brakes (9) for the traction wheels (6) applied selectively by the electromagnets (19).
REFERENCES:
patent: 3166141 (1965-01-01), Shields et al.
patent: 3823791 (1974-07-01), Sheler
patent: 4196785 (1980-04-01), Downing, Jr.
Hill Mitchell J.
Idroplina S.r.l.
Love John J.
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