Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Endless-chain type head
Patent
1976-10-12
1978-01-17
Purser, Ernest R.
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Endless-chain type head
E21C 2534
Patent
active
040688968
ABSTRACT:
A cutter chain for a mineral mining machine of the kind having links carrying cutter tool supports, the said links each comprising a pair of side-by-side members carrying hinge pins by means of which the link is joined to other links of the chain, and in which the side-by-side members are united by means of bridges formed by a pair of upstanding lugs on each side-by-side member which are inwardly curved so that they meet the corresponding lugs on the other of the side-by-side members, the lugs being united by welding and defining between them a recess in which one or more cutter tool support can be received and secured by welding.
REFERENCES:
patent: 1832947 (1933-10-01), Anderson
patent: 1832949 (1933-10-01), Anderson
patent: 1932948 (1933-10-01), Anderson
Austin Hoy & Company Limited
Purser Ernest R.
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