Column for load lifting devices

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support

Patent

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Details

52727, B60S 1300

Patent

active

053181549

ABSTRACT:
In a preferred embodiment, a vertical column for load lifting devices, which includes: a generally rectangular vertical outer shell; a generally rectilinear vertical inner shell; and the inner shell being joined to the outer shell so as to form four vertical interior rectangular tubes at the corners of the outer shell.

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patent: 5009287 (1991-04-01), Starr

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