Power drive unit for aircraft cargo handling systems

Details Power drive unit for aircraft cargo handling systems Power drive unit for aircraft cargo handling systems

1994-10-20

1996-10-29

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Live roll

198782, 2441371, B65G 1306

Patent

active

055688586

ABSTRACT:
A power drive unit for aircraft cargo handling systems that includes an electric motor and a drive roller mounted on for rotation about an axis parallel to the motor output shaft for engagement with cargo to be driven by the unit. A planetary gear differential and a torque control arrangement couple the motor output shaft to a self-erecting mechanism for lifting the unit into engagement with cargo, and to the drive roller for propelling the cargo. A scrub sensor is coupled to the drive roller for modulating application of electrical power to the motor when the drive roller is scrubbing against cargo engaged by the roller.

REFERENCES:
patent: 3698539 (1972-10-01), Schwarzbeck
patent: 4006816 (1977-02-01), Werntz
patent: 4286441 (1981-09-01), Scheneman, Jr. et al.
patent: 4343396 (1982-08-01), George
patent: 4488638 (1984-12-01), Morgan et al.
patent: 4534462 (1985-08-01), Hoover et al.
patent: 5020657 (1991-06-01), Huber
patent: 5170966 (1992-12-01), Sheu
patent: 5186417 (1993-02-01), Pritchard
patent: 5213201 (1993-05-01), Huber et al.

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