Television – Special applications
Patent
1998-05-06
2000-06-27
Kelley, Chris S.
Television
Special applications
4141382, 4141383, 4141396, 114264, 382107, 361189, 434 43, 212344, H04N 718
Patent
active
060812923
ABSTRACT:
In a gantry crane having a movable grappler adapted for lifting standard containers, a system is provided to aid in positioning the grappler relative to the container. The grappler is equipped with at least two corner video devices located near corners of the grappler for viewing the corner locking holes of a container below. In an embodiment, an additional distal video device is mounted to a side of the grappler opposite the cab to view the relative orientation of a side of the container relative to the side of the grappler. In an embodiment, a plurality of alignment sensors are mounted to respective sides of the grappler to detect the relative position of corresponding sides of the container vertically below. In an embodiment, a pair of height sensors are mounted to the grappler to measure a height of the grappler above the upper surface of the container. Additionally, indicators are provided in the cab to indicate information transmitted from the alignment sensors and/or height sensors. A method is provided for guiding the grappler wherein an operator adjusts the grappler position so that a line on a monitor overlaps or corresponds to an edge of the container displayed on the monitor as viewed from one of the video devices.
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Lanigan, Jr. Jack
Olson Daniel J.
An Shawn S.
Kelley Chris S.
Mi-Jack Products Inc.
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