Tool support

Details Tool support Tool support

A - Human Necessities

01

B

97/76

A01B 61/04 (2006.01)

Patent

CA 1075071

TOOL SUPPORT Abstract of the Disclosure An earthworking tool suspension system composed of a pair of vertically disposed and fore-and-aft extending four bar linkages in which the coupler link of the front linkage is the base link of the rear linkage, the tool standard has an upper part that is pivotally connected to the lower link of the front linkage and the coupler link of the second linkage, and the part serves as the lower link of the rear four bar linkage. A biasing means is provided and is connected to both four bar linkages. The front four bar linkage permits the tool to float vertically with little change in attitude. The two four bar linkages in series permit the tool to rotate and rise relative to the main frame of the implement, when the tool strikes an obstruction requiring such action.

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