Railways – Traction – Chain
Patent
1975-01-13
1976-07-13
Werner, Frank E.
Railways
Traction
Chain
104196, B61B 1300
Patent
active
039687546
ABSTRACT:
This disclosure relates to a mining machine of the type having a driven winch which has its drive output sprocket engaging a displaced portion of a chain which normally extends along the entire length of the mine face. The displacement portion of the chain occurs between guide rollers on the mining machine. The chain is secured by a plurality of holding devices such as catches clamps or locking devices which are distributed at closely, spaced-apart locations along the length of the chain. As the mining machine propels itself along the chain, the guide roller or an associated member at the forward end of the mining machine releasably retain the chain in the holding devices until the chain is deflected toward the drive output sprocket of the winch. A guide roller or an associated member at the trailing end of the mining machine engage again the returned portion of the chain with the holding device as the chain is passed from the drive output sprocket.
REFERENCES:
patent: 364489 (1887-06-01), Dale
patent: 411762 (1889-09-01), Davies
patent: 655681 (1900-08-01), Beamer
patent: 2684040 (1954-07-01), Talboys
patent: 3012520 (1961-12-01), Curtis
patent: 3337269 (1967-08-01), Mennekes et al.
patent: 3370549 (1968-02-01), Livingston
patent: 3892184 (1975-07-01), Kenn et al.
Kaisler Paul
Lanfermann Willy
Lauterbach Dieter
Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
Reese Randolph A.
Werner Frank E.
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