Railways – Traction – Chain
Patent
1975-02-28
1976-07-27
Spar, Robert J.
Railways
Traction
Chain
198171, B61B 1312
Patent
active
039713253
ABSTRACT:
A conveyor for advancing a vehicle along a desired path by means of a wheel contacting pusher assembly. The conveyor base is adapted for placement on an unaltered concrete floor with abutting conveyor base sections, variable in number, being joined at the installation site to provide the necessary length. A continuous chain is confined within upwardly opening guideways with each pusher assembly coupled to a chain component in a manner permitting upward displacement of the pusher assembly about an axis parallel to the chain centerline. Replaceable wear components are associated with the guideways and each pusher assembly. Each assembly includes leading and trailing rollers imparting operational loads to the conveyor base while an intermediate raised roller bears against the vehicle rotating wheel.
REFERENCES:
patent: 2893535 (1959-07-01), Kay
patent: 3568606 (1971-03-01), Grant
patent: 3719151 (1973-03-01), Andersen
patent: 3744433 (1973-07-01), Bernardi
patent: 3745932 (1973-07-01), Czerwinski
patent: 3782790 (1974-01-01), Benkowski
patent: 3815512 (1974-06-01), Balas
patent: 3832953 (1974-09-01), Aaron
patent: 3885837 (1975-05-01), Mellor
Givnan, Jr. James D.
Reese Randolph A.
Spar Robert J.
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