Trolley body with embedded inserts for axles having a peripheral

Details Trolley body with embedded inserts for axles having a peripheral Trolley body with embedded inserts for axles having a peripheral

1990-03-20

1992-02-04

Oberleitner, Robert J.

Railway rolling stock

Suspended

Single rail

104 89, 104 93, 295 361, 164 98, B61B 300

Patent

active

050851500

ABSTRACT:
A trolley body for a power and free conveyor system having preformed machinable inserts cast into an austempered ductile iron body for axles wherein ends of the inserts to be embedded therein are center-drilled for positioning purposes in a casting mold. The preformed axles have a hexagonally-shaped cross-section to prevent rotation of the axles relative to the body and also have a groove thereabout to prevent axial movement of the axles relative to the body. The axles are constructed of swagable material to allow subsequent securement of wheels thereon. Gates in the trolley body casting for introducing the molten iron into the casting are situated immediately above or in near proximity to each insert embedded therein to minimize solidification shrinkage thereabout.

REFERENCES:
patent: 1652009 (1927-12-01), Hoffmaster
patent: 1716833 (1929-06-01), Rich
patent: 2611326 (1952-09-01), Smallpeice
patent: 2639535 (1953-05-01), Greske
patent: 3307423 (1967-03-01), Dansi
patent: 3906867 (1975-09-01), Knudsen
patent: 4100669 (1978-07-01), Pemper
patent: 4245562 (1981-01-01), Knudsen
patent: 4248157 (1981-02-01), Evans
patent: 4313249 (1982-02-01), Douthwaite
patent: 4384387 (1983-05-01), Pachuta
patent: 4552073 (1985-11-01), Smith

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