E21C29/04 - CPC Classification Index

ClassID:

135828 ⎘

E21C29/04 - CPC Classification

Classification description:

Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains

Sub-classes:

E21C29/06 » anchored at one or both ends to the mine working face 0
E21C29/14 » by haulage cable or chain pulling the machine along the working face 8
E21C29/20 » with safety devices operating in the event of breakage of the cable or chain 0

Recent Application in this class:

20120065012

Chain drive or return arrangement and chain assembly and sprocket employed therein

20070042850

Chain drive or return arrangement and chain assembly and sprocket employed therein

20050113198

Link chain