Railways – Traction – Chain
Patent
1976-04-05
1978-05-02
Hoffman, Drayton E.
Railways
Traction
Chain
59 84, 74250C, 104172C, B61B 1004
Patent
active
040868559
ABSTRACT:
A shallow low cost conveyor system is disclosed for use with tow vehicles. The conveyor chain is provided with a drive which includes two idler sprockets and a drive sprocket all disposed to one side of the tow pin slot so that there is no chain in the adjacent portion of the slot. An auxiliary transfer mechanism transfers the tow pin across said portion of said slot.
REFERENCES:
patent: 2120052 (1938-06-01), Bishop
patent: 3040874 (1962-06-01), Lyman
patent: 3669027 (1972-06-01), Haase et al.
patent: 3714903 (1973-02-01), Rosenberger, Jr. et al.
patent: 3774545 (1973-11-01), Karlstrom
Hoffman Drayton E.
Reese Randolph A.
SI Handling Systems Inc.
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