Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Conveyor shiftably mounted on vehicle
Patent
1976-11-09
1978-05-16
Blunk, Evon C.
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Conveyor shiftably mounted on vehicle
198317, 198864, B65G 2114, B65G 4100
Patent
active
040894037
ABSTRACT:
A mining machine having a body portion mounted on propelling tracks includes an endless conveyor mechanism positioned on a conveyor support frame that extends longitudinally on the body portion. The conveyor support frame includes a main conveyor section connected by a link member to a conveyor boom section arranged for lateral swinging movement relative to the main conveyor section. The main conveyor section and the conveyor boom section each include an integral gear member. The gear members of the respective sections are maintained in meshing relation by pivot pins interconnecting the link member with the respective sections. A hydraulic cylinder having an extensible piston rod preferably connects the conveyor boom section to the link member. Actuation of the hydraulic cylinder extends or retracts the piston rod to laterally swing the pivot connection of the conveyor boom section in a preselected direction relative to the pivot pin connection on the main conveyor section. Movement of the pivot pin connection on the conveyor boom section contemporaneously rotates the boom section gear member in the same preselected direction relative to the main conveyor section gear member, such that the conveyor boom section moves through twice the angle of rotation of the pivot pin connection of the conveyor boom section. Thus, the pivotal movement of the link member and the rotation of the conveyor boom section gear member laterally swings the conveyor boom section relative to the main conveyor section through an expanded arc.
REFERENCES:
patent: 2208269 (1940-07-01), Cartlidge
patent: 2210655 (1940-08-01), Doberstein
patent: 2690834 (1954-10-01), Lundquist
patent: 2743002 (1956-04-01), Cartlidge
patent: 2910169 (1959-10-01), Russell
patent: 3557937 (1971-01-01), Kahre
patent: 3750863 (1973-08-01), Dyczynski
patent: 3987890 (1976-10-01), Merrit t
Baum Gerald L.
Freed, Jr. Donald L.
Adams John M.
Blunk Evon C.
National Mine Service Company
Price, Jr,. Stanley J.
Rowland James L.
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