Boom conveyor

Details Boom conveyor Boom conveyor

1989-03-13

1990-08-07

Spar, Robert J.

Conveyors: power-driven

Conveying system having plural power-driven conveying sections

With relatively adjustable sections

198595, 198812, 1988615, 414393, 414398, 182 2, B65G 1526

Patent

active

049460277

ABSTRACT:
A boom conveyor including a cantilevered conveyor section having an operator's platform at its outer free end is disclosed. The conveyor section is mounted so that in use the outer free end is movable in a vertical plane between predetermined limits. A scissor support is disposed at or adjacent the outer free end and is passively extended by the raising of the free end of the conveyor to provide continual support to the platform. A release valve enables retraction of the support when the free end is lowered.

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patent: 4033463 (1977-07-01), Cervin
patent: 4073392 (1978-02-01), Dibler et al.
patent: 4106634 (1978-08-01), Becker
patent: 4582464 (1986-04-01), Bossetti

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