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US 11,884,519 B2Granted
Crane
AssigneeSumitomo Heavy Industries Construction Cranes Co., Ltd.
InventorTetsuro Satou
Life of this patent
Estimating the term…
Abstract
Provided is a crane including a boom. The crane hoists a suspended load through a hook from a tip of the boom, and position adjustment control for causing a position of the hook and a position of the tip of the boom to be close to each other as viewed in a vertical direction is performed until the suspended load is separated from a ground surface from a start of a hoisting motion.
Claims11
A crane comprising:
- a boom;
- and
- a controller comprising a position adjustment controller,
- wherein the crane hoists a suspended load through a hook from a tip of the boom, and
- the position adjustment controller is configured to
- determine a distance between a position of the hook and a position of the tip of the boom in a plan view is within a predetermined value;
- and
- instruct, when the distance is not within the predetermined value, the controller or an operator to control the crane to shorten the distance in the plan view until the suspended load is separated from a ground surface from a start of a hoisting motion of the hook.
5 more elements
Dependencies are inferred from the claim text.