Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Load supporting conveyor portion is retarded or stopped with...
Patent
1998-04-23
2000-03-14
Terrell, William E.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
Load supporting conveyor portion is retarded or stopped with...
198792, 1984623, B65G 4729, B65G 2338
Patent
active
060359943
ABSTRACT:
The conveyor comprises a conveyor belt (5), two main drums (R1,R4) around which the conveyor belt forms a main loop, two auxiliary drums (R2,R3) mounted between the main drums and around which the conveyor belt forms a secondary loop, and two auxiliary rolls (R5,R6) close together and forming a return for the upper strand of the conveyor belt towards each of the auxiliary drums. The main drum (R1) located at the end where objects begin to be conveyed is shifted as one back and forth parallel to the conveyor belt in such a way that as it shifts backward, the conveyor belt has a section (S1) with zero speed. The forward travel is such that an object placed on the zero-speed section catches up with the objects lying on that section of the belt that is traveling at constant speed.
REFERENCES:
patent: 2551080 (1951-05-01), Allen et al.
patent: 5191965 (1993-03-01), Scheid
patent: 5322154 (1994-06-01), Lenherr
patent: 5442985 (1995-08-01), Ito
Deuble Mark A.
Kustner Industries S.A.
MacPherson Alan H.
Terrell William E.
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