Steering system for mobile crane

Details Steering system for mobile crane Steering system for mobile crane

1980-11-28

1984-04-24

Peters, Jr., Joseph F.

Motor vehicles

Having at least one wheel both driven and steerable

180308, B60K 1730

Patent

active

044442874

ABSTRACT:
A straddle type mobile crane has a pair of hydraulic motor driven front wheels which may be pivoted about a vertical axis for steering. Each motor is supplied by an individual source of pressurized fluid which may be interconnected by a pair of adjustable control valves. A turning crank at each wheel engages a cam coupled to a respective one of the valves so that the hydraulic motors are coupled when the wheels are pivoted through predetermined angles.

REFERENCES:
patent: 2909298 (1959-10-01), Baudhuin
patent: 3448577 (1969-06-01), Crawford
patent: 3656570 (1972-04-01), Gortner et al.
patent: 3874473 (1975-04-01), Grove
patent: 3900075 (1975-08-01), Chichester et al.
patent: 4114724 (1978-09-01), Doolittle

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