| 摘要 |
1,241,468. Bucket wheel excavators or reclaimers. BARBER-GREENE CO. 10 Sept., 1968 [15 Sept., 1967], No. 43032/68. Heading E1F. The reclaimer of the referred to Specification 1,171,642 is modified in that the digging wheel thereof is now associated with one or more digging wheels so supported outwards of it by a cantilever frame secured to the outer end of its supporting frame that all the digging wheels are rotatable about a common axis. |
