Hydraulic boom stabilization device

Details Hydraulic boom stabilization device Hydraulic boom stabilization device

2006-12-26

2006-12-26

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Spray boom or bar type distributor

C239S726000, C239S160000, C239S161000, C239S728000

Reexamination Certificate

active

07152811

ABSTRACT:
A boom assembly includes a frame, a boom, a boom stabilization cylinder, and a feedback cylinder. The boom is rotatably mounted to the frame to rotate about a first axis. The boom stabilization cylinder is coupled to the boom to resist rotational deflection of the boom about the first axis. The feedback cylinder is coupled to a counterbalancing weight. The feedback cylinder is hydraulically coupled to the boom stabilization cylinder. Movement of the boom stabilization cylinder to resist deflection of the boom causes corresponding movement of the feedback cylinder to lift the counterbalancing weight.

REFERENCES:
patent: 3544009 (1970-12-01), Schlueter
patent: 4288034 (1981-09-01), Widmer
patent: 5887390 (1999-03-01), Schulz
patent: 5988528 (1999-11-01), Krohn
patent: 6012648 (2000-01-01), Morris
patent: 6053419 (2000-04-01), Krohn
patent: 6293475 (2001-09-01), Sobolik
patent: 2003/0052188 (2003-03-01), Maliteare

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