Conveyor motor having bellows

Details Conveyor motor having bellows Conveyor motor having bellows

2005-04-19

2005-04-19

Bidwell, James R. (Department: 3651)

Conveyors: power-driven

Conveyor section

Reciprocating conveying surface

C198S750800

Reexamination Certificate

active

06880693

ABSTRACT:
A differential impulse conveyor having a conveyor motor which uses bellows to provide the driving force for the conveyor. The conveyor includes a housing within which is mounted the conveyor motor. The conveyor motor has a pair of bellows, a drive plate and a fluid control system. The drive plate is movably mounted between the bellows. The conveyor plate is mounted to the top end of the drive plate. The fluid control system includes a main control valve, a pair of limit switches, a pair of valves and a flow control valve. The fluid control system allows for inflation of one bellow at a greater rate than inflation of the other bellow.

REFERENCES:
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patent: 2378979 (1945-06-01), Burt
patent: 2473193 (1949-06-01), Campion
patent: 4508208 (1985-04-01), Preedy
patent: 5794757 (1998-08-01), Svejkovsky et al.
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patent: 6209713 (2001-04-01), Takahashi et al.
patent: 20040060802 (2004-04-01), Kwasniewicz et al.
patent: 20040060803 (2004-04-01), Kwasniewicz et al.
patent: WO01/76988 (2001-10-01), None
U.S. Appl. No. 10/277,452, Kwasniewicz et al, Pneumatically Actuated Beltless Conveyor.

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