Crane apparatus

Details Crane apparatus Crane apparatus

1986-10-01

1988-09-06

Aschenbrenner, Peter A.

Railways

Trolley rails

104 94, E01B 2522

Patent

active

047684429

ABSTRACT:
Overhead crane apparatus is disclosed incorporating an extruded aluminum alloy rail structure for runway and bridge girder applications. The relatively light weight and low cost rail structure is shaped to provide a trolley passageway protected from the ingress of deleterious substances, and is further contoured to provide a shaped cavity for ready reception of novel clamp means facilitating the imposition of increased loads on existing crane apparatus. The rail structure during the extrusion process may also be formed with fluid passages in the side walls thereof.

REFERENCES:
patent: 650746 (1900-05-01), Barney
patent: 2195644 (1940-04-01), Fitzgerald et al.
patent: 3101677 (1963-08-01), Ehinger
patent: 3265011 (1966-08-01), Golden
patent: 3310003 (1967-03-01), Bryan
patent: 3422508 (1969-01-01), Higuchi
patent: 3974777 (1976-08-01), Monne
patent: 4393785 (1983-07-01), Hortnagel
patent: 4576096 (1986-03-01), Toder
patent: 4619545 (1986-10-01), Kuttenbaum
patent: 4628719 (1986-12-01), Best

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