Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1998-08-25
2000-04-25
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Endless conveyor
198840, 198842, B65G 1562
Patent
active
060533072
ABSTRACT:
A main object of the present invention is to provide a running direction changing and guiding apparatus for a conveyor belt which can change a running direction of a conveyor belt having a concave portion formed on a transferring surface of the conveyor belt by only one conveyor belt. An apparatus comprising a belt main body wound between a main drive pulley and a driven pulley and structured so that a zigzag motion is prevented by engaging a guide body linearly arranged in a back surface of left and right side portions of the belt main body along a running direction of the belt main body with a guide groove on a peripheral surface of the main drive pulley and a peripheral surface of the driven pulley, characterized in that the apparatus comprises guide body supporting rollers opposing to each other so as to form a pair and supporting inner and outer side surfaces of the guide body arranged on the back surface of the left and right side portions of the belt main body by peripheral surfaces thereof, a belt pressing roller for pressing the left and right side portions of the belt main body from the transferring surface side toward the guide body supporting rollers by a peripheral surface thereof for positioning the guide body between the guide body supporting rollers, and a running direction changing roller arranged in parallel to the belt pressing roller, and changing the running direction of the belt main body by moving the transferring surface of the belt main body along the peripheral surface. The running direction of the belt main body is changed from descent to ascent directions, from horizontal to ascent directions or from descent to horizontal directions.
REFERENCES:
patent: 3422949 (1969-01-01), Kraft et al.
patent: 3550535 (1970-12-01), Rooklyn
patent: 3590984 (1971-07-01), Nolte
patent: 3927814 (1975-12-01), Holm
patent: 4008801 (1977-02-01), Reilly et al.
patent: 4804081 (1989-02-01), Lenhardt
patent: 4899872 (1990-02-01), Hokeo
Bidwell James R.
Honda Sangyo Kabushiki Kaisha
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