Spring-loaded ground engaging tool

Details Spring-loaded ground engaging tool Spring-loaded ground engaging tool

A - Human Necessities

01

B

111/17

A01B 61/04 (2006.01)

Patent

CA 1231005

SPRING-LOADED GROUND ENGAGING TOOL Abstract of the Disclosure A ground working assembly has an in- clined arm swingable up and down on a tool bar of an agricultural implement, the assembly being yieldably biased downwardly by a cushioning spring associated with a bracket which mounts the assem- bly on the tool bar. A tool-supporting shank depending from the arm at its lower, rear end is swingable rearwardly and upwardly relative to the arm, but held against tripping by linkage which is normally locked by the spring. During encounters by the ground-working tool with usual types of ground conditions tending to cause the tool to rise against the action of the spring, the assem- bly merely swings upwardly relative to the brack- et. But tool damage is alleviated by unlocking of the linkage and tripping of the shank when more extreme conditions, such as large rocks, are encountered by the tool.

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