Scraper chain conveyor assemblies

Details Scraper chain conveyor assemblies Scraper chain conveyor assemblies

1990-10-12

1991-09-10

Olszewski, Robert P.

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

198728, B65G 1924

Patent

active

050466011

ABSTRACT:
A shackle connector 8 for a scraper chain conveyor assembly in which the shackle connectors 8 are interlinked with chains 2,4, bolted to scraper bars 6 and formed with an enlarged portion or pad 20 serving slidably to guide the assembly relative to the inner profile of an associated trough or pan. The shackle connectors 8 are selectively heat treated such that the surface or surface and sub-surface hardness value of the enlarged portions or pads 20 is in the range of approximately 280-380 (preferably 340-380) Brinel Hardness and the remainder of the shackle connector, or at least crown portions 10, 12, have a surface or a surface and sub-surface hardness value in the range of approximately 380-550 (preferably 440-500) Brinel hardness and such that the mechanical properties of the shackle connector are enhanced while any propensity towards the propagation of frictionally induced surface cracks is resisted.

REFERENCES:
patent: 3902591 (1975-09-01), Temme

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