Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Patent
1998-01-06
1999-08-03
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
B65G 1924
Patent
active
059312831
ABSTRACT:
The invention relates to a scraper-chain assembly for scraper-chain conveyors, in particular central or double central scraper-chain conveyors, having a scraper connection to horizontal chain links of the single-strand or two-strand chain assembly. Vertical chain links hooked into the horizontal chain links are provided with longitudinal limbs which have a non-round cross-section, and whose thickness dimension is smaller than that of nose parts of these chain links that connect the longitudinal limbs. For the scraper connection, the scrapers have coupling and locking pins, which extend through internal openings of the horizontal chain links, between the hooked-in vertical chain links and which protrude from the internal openings to form locking pieces which serve to secure the scrapers. In this case, the width of the locking pieces is designed to match the configuration of the horizontal and vertical chain links in such a way that the coupling and locking pins of the scrapers can be pushed freely into the internal openings of the horizontal chain links, when the vertical chain links hooked into these internal openings are pivoted out of the chain axis into a vertical position. By pivoting the vertical chain links back into the normal position, positive locking of the scrapers to the horizontal chain links automatically results.
REFERENCES:
patent: 4867300 (1989-09-01), Braun et al.
patent: 5213199 (1993-05-01), Braun et al.
patent: 5699895 (1997-12-01), Materne et al.
Bidwell James R.
DBT Deutsche Bergbau--Technik GmbH
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