Conveyors: power-driven – Conveyor system for establishing and moving a group of items – Subdivides continuous item stream into longitudinally spaced...
Patent
1989-06-02
1990-08-07
Valenza, Joseph E.
Conveyors: power-driven
Conveyor system for establishing and moving a group of items
Subdivides continuous item stream into longitudinally spaced...
198431, 1984634, 1984643, 1984654, 414397, 414799, B65G 4726
Patent
active
049460234
ABSTRACT:
Apparatus for transferring selected numbers of garment hangers from a downwardly sloping rail onto horizontal rod- or bar-shaped carriers of trolleys which are suspended on and advance along an overhead track has a singularizing device which is adjacent the discharge end of the rail and is operable to permit a selected number of hangers to advance onto the adjacent carrier while the respective trolley is pushed or pulled through a hanger receiving station. The trolleys are advanced by a chain conveyor the motor of which is started in response to signals from sensors denoting that the front end of the trolley has assumed a predetermined position with reference to the receiving station as well as that the conveyor for the trolleys assumes a predetermined position. Additional sensors are provided to detect the trailing ends of successive trolleys, to monitor the hangers upstream of the singularizing device and to generate signals in response to detection of hangers which have advanced beyond the singularizing device.
REFERENCES:
patent: 3424293 (1969-01-01), Deutschlander
patent: 3580378 (1971-05-01), Pedersen
patent: 3613911 (1971-10-01), Walchuter
patent: 3799318 (1974-03-01), Dekoekkoek
patent: 3961699 (1976-06-01), Hirsch
patent: 4276995 (1981-07-01), Jennewein
patent: 4598812 (1986-07-01), Grube et al.
Heinold Hans
Rau Joseph
Kontler Peter K.
Manfred A. Jennewein
Valenza Joseph E.
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