Roof window for crane operator's cab

Details Roof window for crane operator's cab Roof window for crane operator's cab

1977-08-01

1978-10-10

Song, Robert R.

Land vehicles: bodies and tops

Tops

Valance

49253, B60J 708

Patent

active

041193407

ABSTRACT:
A movable window unit for an opening in the roof of a crane operator's cab is swingable between a closed position overlying the opening and an open position clear of the opening and adjacent the rear side of the cab to enable the crane operator to have an unobstructed direct view of the upwardly projecting crane boom.

REFERENCES:
patent: 1009889 (1911-11-01), Brandenberg

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