Sorting conveyor system and divert switch and crossover switch f

Details Sorting conveyor system and divert switch and crossover switch f Sorting conveyor system and divert switch and crossover switch f

1992-11-20

1994-08-02

Gastineau, Cheryl L.

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

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

198440, B65G 3700

Patent

active

053337158

ABSTRACT:
A slat sorter comprises a main line conveyor with a transport surface on which pusher elements are mounted. The main conveyor is driven by a bearing chain that cooperates with a sprocket that is in turn driven by an electric motor. The pusher elements are selectively diverted by a divert switch from forward travel in a straight-through mode to diagonal travel across the transport surface in a divert mode to engage and direct articles to a takeaway conveyor. The divert switch comprises a switch arm that is positively actuated to both a home position for straight-through mode and a divert position for divert mode by a brushless torque actuator that generates rotary driving operation, but without linear-to-rotary motion conversion. A crossover switch is provided to guide the pusher elements in the proper diagonal path. A gate is driven to pivot between limit positions by a brushless torque actuator to facilitate unobstructed pusher element travel along the desired diagonal path.

REFERENCES:
patent: 3986596 (1976-10-01), Hamilton
patent: 3987888 (1976-10-01), Wickam
patent: 4416450 (1983-11-01), van Wijngaarden
patent: 4637508 (1987-01-01), Kikuchi et al.
patent: 4760908 (1988-08-01), Houghton
patent: 4971190 (1990-11-01), Berends et al.
patent: 5027939 (1991-07-01), Kilper et al.
patent: 5038912 (1991-08-01), Cotter
Tecklenburg, Sharon, "Brushless Torque Actuators Replace Rotary Solenoids", Machine Design, Jan. 23, 1992, pp. 46-51.

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