Spring Tine Cultivator

摘要

1,172,890. Agricultural implements. R. H. F. JEFFES. 22 Aug., 1968 [9 June, 1967], No. 26625/67. Heading A1B. A spring tine cultivator is provided with tines with helically wound portions 10 which extend in alternately opposite directions. They may be combined in pairs, Fig. 2 (not shown) and be provided with a common tip (13).