Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Patent
1980-03-03
1982-06-01
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter attached to endless chain or cable
299 43, 104280, E21C 3508, E21C 2734
Patent
active
043324215
ABSTRACT:
A coupling device for connecting a mineral mining machine, such as a plough, to a drive chain. The coupling device is intended to locate within a channel inside a slotted guide containing the drive chain. The device is composed of coaxial tubular members secured together axially. The inner tubular member supports a swivel-mounted shackle connecting with the chain and a rigidly-mounted shackle connecting with the machine. One or both tubular members are shaped or relieved at the end nearest the swivel shackle to provide a cleaning nose which forces dust or the like from the channel as the chain draws the machine along the guide. A lateral projection on the outer tubular member engages in the slot and co-operates with the nose to guide the material away through the slot.
REFERENCES:
patent: 323593 (1885-08-01), Orvis et al.
patent: 821863 (1906-05-01), Derr
patent: 2823908 (1958-02-01), Rosler
patent: 3726564 (1973-04-01), Hauschopp et al.
patent: 4006937 (1977-02-01), Curtis
patent: 4234234 (1980-11-01), Sedlaczek et al.
Breuer Oswald
Merten Gerhard
Steinkuhl Bernd
Gewerkschaft Eisenhutte Westfalia
Purser Ernest R.
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