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US 5,494,395 AGranted
Driving machine with an articulated boom
OwnerYrjo Raunistoinventor
Life of this patent
Estimating the term…
Abstract
A driving machine includes an articulated boom to which a scoop, bulldozer plate, loader or a similar tool is attachable. The articulated boom has a first arm which is articulated to slew around a joint in another arm of the boom in order to carry out the folding motion of the boom. In addition, the first arm is movable inside the other arm to carry out a telescopic motion.
Claims8
A driving machine having an articulated boom for working with a tool, the articulated boom comprising:
- a first arm mounted on said driving machine and having a joint at one end thereof and guides extending along a length thereof;
- and
- a second arm supported by said first arm by means of guiding pieces positioned at points along a length of said second arm, said guiding pieces movably supported by said joint and said guides, said second arm having at least one position with respect to said first arm wherein said second arm is supported by said first arm at said joint by the guiding pieces at only one of said points and said second arm is pivotable about the joint for performing a folding motion, said second arm being movable inside said first arm by movement of said guiding pieces in said guides when said second arm is pivoted in line with said first arm for performing a telescoping motion.
Dependencies are inferred from the claim text.