Coupling and process for screw conveyors

Details Coupling and process for screw conveyors Coupling and process for screw conveyors

1996-10-09

1999-05-04

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Screw

403296, 403299, 403306, B65G 3332

Patent

active

058993193

ABSTRACT:
An economical convenient coupling and process are provided to more safely secure screw conveyor sections together to enhance the longevity and wear of the screw conveyor, prevent accidents, and minimize downtime and repair. In the user-friendly coupling and process, internally threaded bushings are plug welded to the hollow core of the shafts and a double ended thread stud are screwed into the bushings along the axis of the shafts. The studs and bushings are hidden from view in the interior of the shafts and securely lock the screw conveyor sections together without the use of exterior, transverse or vertical bolts, nuts and locking pins, which can shear and damage downstream processing equipment and injure consumers and operating personnel.

REFERENCES:
patent: 248193 (1881-10-01), Merriman
patent: 2214177 (1940-09-01), Raybould
patent: 2588901 (1952-03-01), Welkart
patent: 2815852 (1957-12-01), Harrer
patent: 3368271 (1968-02-01), Scheffler
patent: 3379301 (1968-04-01), Kopaska
patent: 3630341 (1971-12-01), Golden
patent: 3730332 (1973-05-01), Benzon et al.
patent: 4691818 (1987-09-01), Weber
patent: 4746384 (1988-05-01), Tan
patent: 4852719 (1989-08-01), Lapeyre
patent: 4958720 (1990-09-01), Lapeyre et al.

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