Scraper-chain conveyors for mineral mining

Details Scraper-chain conveyors for mineral mining Scraper-chain conveyors for mineral mining

1980-04-04

1982-11-16

Nase, Jeffrey V.

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

299 43, B65G 1928

Patent

active

043591540

ABSTRACT:
A scraper-chain conveyor comprises a series of pans joined end-to-end and a scraper-chain assembly circulated along the pans in upper and lower runs. Each of the pans is sub-divided into upper and lower sections of especially reinforced construction. The upper section of each pan is composed of shaped side pieces connected by a floor plate while the lower section is composed of smaller side pieces connected to a base plate. The side pieces of both the upper and lower sections combine to form sigma-shaped profiles with upper and lower flanges and inwardly-extending V-shaped intermediate portions. The lower section is built up vertically with side structures overlapping the side pieces of the upper section and bolted connections are established between the side structures and the upper section and with lateral accessories, such as barrier plates and guides. The side pieces of the upper and lower sections define lateral guide passages for the scraper-chain assembly and the guide passages for the lower run of the assembly are defined by both the side pieces of the upper and lower sections.

REFERENCES:
patent: 2633230 (1953-03-01), Duncan
patent: 2818164 (1957-12-01), Dommann
patent: 2869713 (1959-01-01), Duncan
patent: 3680682 (1972-08-01), Paul
patent: 3842966 (1974-10-01), Blumenthal et al.
patent: 4074804 (1978-02-01), Grundken et al.

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