Handling: hand and hoist-line implements – Grapple – Load shifting
Patent
1996-11-12
1999-02-16
Cherry, Johnny D.
Handling: hand and hoist-line implements
Grapple
Load shifting
294 814, 294905, 74 534, B66C 1304, G01C 1902
Patent
active
058712496
ABSTRACT:
A stable positioning system for a suspended payload. A stabilizer, control unit and positioner are located above a suspended payload. The stabilizer includes a plurality of flywheels within a casing. The axis of rotation of each flywheel is aligned with one of three orthogonal axes. A central bevel gear translates the output of a high r.p.m. motor to the various flywheels. Four flywheels are arranged into two counterrotating pairs along one horizontal axis. Two flywheels counterrotate about the other axis and a single flywheel rotates about the vertical axis. The mass and arrangement of flywheels provides gyroscopic stability while neutralizing potential precessional moments.
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Cherry Johnny D.
Kramsky Elliott N.
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