Reinforced column for a lifting apparatus

Details Reinforced column for a lifting apparatus Reinforced column for a lifting apparatus

1994-06-02

1995-09-05

Terrell, William E.

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific stationary guiding structure for...

187238, 187363, 187410, B66B 702

Patent

active

054472130

ABSTRACT:
A reinforced column for a lifting apparatus which includes an elongated outer shell member having a rectilinear cross-section. One side of the outer shell member has an elongated aperture therethrough, allowing access to an interior portion of the column. Interior of the outer shell, a pair of opposed elongated guide rails are positioned adjacent the elongated aperture. An elongated inner shell is simultaneously attached to selected portions of the guide rails and held at predetermined spaced relationships to the interior surfaces of the outer shell. The elongated inner shell is arrayed for providing a pathway for a carriage member of said lifting apparatus to travel therein.

REFERENCES:
patent: 1024300 (1912-04-01), Tozser
patent: 1986620 (1935-01-01), Borden et al.
patent: 2915210 (1959-12-01), Ehmann
patent: 4222461 (1980-09-01), Gunti
patent: 5318154 (1994-06-01), Hellman, Jr. et al.

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