Brush cutting breakaway system

Details Brush cutting breakaway system Brush cutting breakaway system

A - Human Necessities

01

D

A01D 75/18 (2006.01) A01D 34/835 (2006.01)

Patent

CA 2418751

Multi-part improvements to brush cutting technology including a breakaway system. A single horizontal pin attaches the cutter head of a brush cutting machine to the boom and a swing tower, so that a single vertical pin can attach the tractor to the boom, the vertical pin and swing tower allowing the cutter head to have a forward and aft movement for flexibility around immovable objects. A breakaway cylinder holds the cutter head at a ninety degree angle relative to the tractor of a brush cutting machine. A control, in the form of a joystick, remotely raises and lowers the cutter head portion using a single control within the cab. A first relief valve bypasses when higher than normal hydraulic pressure is created in the breakaway cylinder and a second relief valve removes excess oil from the breakaway cylinder. A switch, in the form of a toggle switch, remotely operates the breakaway cylinder and moves the cutter head from within the cab. A method for brush cutting with a brush cutting machine having a breakaway system is also disclosed.

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