Mobile machine frame and suspension

Details Mobile machine frame and suspension Mobile machine frame and suspension

B - Operations, Transporting

62

D

305/24

B62D 55/00 (2006.01)

Patent

CA 1064077

NEW CONVERTIBLE SLIPFORMER ABSTRACT A construction machine is disclosed having a main frame that is supported by four vertically adjustable sus- pension points from a pair of modified walking beams located on opposite sides of the main frame. Each walking beam has a vertical steering axis at eahc of its ends connected to a bogey-mounted self-propelled ground engagement means in the form of a wheel or endless track. Both walking beams have spaced vertically adjustable suspension means, one of which is attached to the frame and the other of which is pivoted on a horizontal axis from the frame to constitute a four point suspension. The ground engagement means are steerable in pairs, in unison or independently and can be turned about their steering axes to provide for travel in a plurality of directions. Also 360° steering is included and the frame can be made of two U-shaped members that telescopingly engage each other, allowing the power of the tractors to be used to extend and retract the frame. Tools can be side-or straddle-mounted.

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