Conveyors: power-driven – Conveyor section – Endless conveyor
Reexamination Certificate
2007-12-20
2009-08-11
Bidwell, James R (Department: 3651)
Conveyors: power-driven
Conveyor section
Endless conveyor
C198S817000, C198S818000
Reexamination Certificate
active
07571803
ABSTRACT:
A bearing unit for a conveying installation for the transport of goods by way of a conveyor belt that is guided at the two ends of the installation by deflection drums and which is fastened to the underside of spaced-apart, transverse carrying beams. Running rollers are mounted to the two ends of the carrying beams. The rollers are mounted on bearing journals and they roll along two pairs of carrying ropes or carrying rails of the conveying installation along a forward and a return strand of the conveyor belt. A bearing bolt of the bearing units has an extension which is fastened releasably to the assigned carrying beam. The extension is an upwardly open trough, onto which the assigned end of the carrying beam is placed and releasably fastened.
REFERENCES:
patent: 3490773 (1970-01-01), Dennison
patent: 3530799 (1970-09-01), Braun
patent: 4674627 (1987-06-01), Dussan V.
patent: 5791454 (1998-08-01), Trieb
patent: 6588583 (2003-07-01), Trieb
patent: 6935490 (2005-08-01), Trieb
patent: 1452466 (2004-09-01), None
Bidwell James R
Greenberg Laurence A.
Innova Patent GmbH
Locher Ralph E.
Stemer Werner H.
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