Chain – staple – and horseshoe making – Chains – Conduit
Patent
1978-05-08
1980-02-05
Husar, Francis S.
Chain, staple, and horseshoe making
Chains
Conduit
248 49, F16L 314
Patent
active
041865537
ABSTRACT:
A chain for protecting electric and/or hydraulic supply cables to a mining machine repeatedly traversing to and fro. The links each comprising two elements which when connected define a passageway for the supply cables and which can be at least partially disconnected to permit access to the passageway, both the elements being pivotally attached to the elements of neighboring links.
REFERENCES:
patent: 3197954 (1965-08-01), Merker
patent: 3284036 (1966-11-01), Nansel
patent: 3772875 (1973-11-01), Viano
patent: 3779003 (1973-12-01), Boissevain
patent: 3921388 (1975-11-01), Loos
patent: 4018411 (1977-04-01), Henning
Coal Industry (Patents) Limited
Crosby Gene P.
Husar Francis S.
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