Mobile aerial lift with boom structure having insulated boom sec

Details Mobile aerial lift with boom structure having insulated boom sec Mobile aerial lift with boom structure having insulated boom sec

1988-11-01

1989-10-31

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 21, 55163, 182 2, B01D 5304

Patent

active

048774227

ABSTRACT:
A mobile aerial lift having a vehicle and a boom structure mounted on a vehicle. The boom structure has an outer extremity. A workman's basket is mounted on the outer extremity. A control is carried by the boom structure and is accessible to the workman's basket for controlling operation of the boom structure. The boom structure has an insulated boom section and an exclosed space is provided for at least a portion of the insulated boom section. Gas is supplied under positive pressure to the enclosed space and provides a clean, relatively moisture-free environment for a portion of the interior of the insulated boom section and maintains the electrical insulating properties of the insulated boom section.

REFERENCES:
patent: 3080693 (1963-03-01), Glass et al.
patent: 3139948 (1964-07-01), Rolden
patent: 3320524 (1967-05-01), Miller
patent: 3923479 (1975-12-01), Glass et al.

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