Conveyors: power-driven – Conveyor system for establishing and moving a group of items – By shifting group of items simultaneously from stream...
Patent
1997-05-08
1999-04-13
Bidwell, James R.
Conveyors: power-driven
Conveyor system for establishing and moving a group of items
By shifting group of items simultaneously from stream...
198740, B65G 2500
Patent
active
058934499
ABSTRACT:
A lehr loader (20) for transferring a line of freshly formed glass containers (C) on a cross-conveyor (XC) transversely of the cross-conveyor into an annealing lehr (L). The lehr loader has a superimposed stack of three carriages (48, 76, 94), an enclosed linear actuator (50) in the form of an enclosed ball screw mechanism with a housing (56) is attached to the frame, and a reversible, co-axial a.c. servo motor (52) is provided to cause reciprocation of the lowermost carriage. An enclosed linear actuator (78) in the form of an enclosed ball screw mechanism with a housing (82) attached to the lowermost carriage (76) and a co-axial reversible, a.c. servo motor (80) is provided to cause reciprocation of the intermediate carriage. An enclosed linear actuator (96) in the form of an enclosed ball screw mechanism with a housing (102) attached to the intermediate carriage (76) and a reversible, a.c. servo motor (98) is provided to cause reciprocation of the uppermost carriage (94).
REFERENCES:
patent: 3184031 (1965-05-01), Dunlap
patent: 4067434 (1978-01-01), Mumford
patent: 4290517 (1981-09-01), Hafferkamp
patent: 4480741 (1984-11-01), Chicurel et al.
patent: 4500805 (1985-02-01), Swanson
patent: 5044488 (1991-09-01), Bolin
patent: 5092449 (1992-03-01), Bolin et al.
patent: 5125496 (1992-06-01), Aguirre-Gandara et al.
patent: 5472077 (1995-12-01), Bolin
DiFrank Frank J.
Leidy D. Wayne
Warnecke Ronald P.
Bidwell James R.
Owens-Brockway Glass Container Inc.
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