Baggage pusher device and system

Details Baggage pusher device and system Baggage pusher device and system

1997-09-22

2000-03-28

Ellis, Christopher P.

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

By loading or unloading section at selected one of a...

19837008, 19845707, 198598, B65G 4782

Patent

active

060419105

ABSTRACT:
A baggage pusher device for pushing baggage off a moving conveyor comprises a pusher cam with a pusher surface, a shaft supporting and rotating the pusher cam in a generally horizontal plane, a motor assembly and a frame to support at least the shaft. The pusher surface follows the Archimedes spiral function so that baggage contacting the pushing surface at any point therealong sees the same velocity. Control of the velocity assures that the baggage will not be damaged by high speed contact with the pushing device. The motor assembly utilizes a servo control with flux vector technology for quiet motor operation and smooth pusher device acceleration and deceleration.

REFERENCES:
patent: 3045801 (1962-07-01), Graybeal
patent: 4256216 (1981-03-01), Winters et al.
patent: 4295559 (1981-10-01), Neal et al.
patent: 4441604 (1984-04-01), Schlig et al.
patent: 4564105 (1986-01-01), Brouwer et al.
patent: 4750620 (1988-06-01), Braschos
patent: 5010998 (1991-04-01), MacMillan
Logan Glidepath Baggage Diverter Brochure, 1993.
Baldor AC Servco Control Catalog, pp. 1-1--1-7, 2-14--2-17, 1995.
Mark's Standard Handbook for Mechanical Engineers, 8.sup.th th ed., pp. 2-40, 1978.

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