Traversing hoists – Having vertically swinging boom – Having means to swing boom vertically
Patent
1991-12-31
1993-06-29
Sotelo, Jesus D.
Traversing hoists
Having vertically swinging boom
Having means to swing boom vertically
239172, 239175, B05B 120
Patent
active
052226140
ABSTRACT:
A carrier vehicle is solidly connected to a stationary support frame (2) which carries, by pivot joints or of a ball joint (3), a movable support frame (1) obliged to pivot only about a transverse axis relative to the direction of the travel of the vehicle and, optionally, a vertical axis. The movable support frame (1) carries a treatment boom of a suspension, for example of the swinging or rocker link type, acting in a transverse plane. The center of gravity of the assembly that includes the movable support frame and the boom is maintained on a vertical line passing through the pivot joint or the ball joint (3) or in a plane passing through the transverse axis and containing the resultant of the gravitational and inertial forces which are exerted on this assembly.
REFERENCES:
patent: 2770493 (1956-11-01), Fieber
patent: 4138063 (1979-02-01), Batts
patent: 4561591 (1985-12-01), Ballu
patent: 4598830 (1986-07-01), Fletcher
patent: 4834249 (1989-05-01), Dahl
patent: 4998025 (1991-03-01), Watanabe
Avila Stephen P.
Sotelo Jesus D.
Tecnoma
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