Railways – Traction – Chain
Patent
1994-02-10
1996-01-23
Le, Mark T.
Railways
Traction
Chain
B65G 1700
Patent
active
054857910
ABSTRACT:
A device for removing conveyor carriages from a conveyor-path region of an overhead conveyor in the event of an alarm, particularly in the region of a fire door. The overhead conveyor has a plurality of conveyor carriages received on a travel rail, a drivable pull line driven by a main drive for the conveyor carriages, and a plurality of drivers connected to the pull line, on each of which displaceable stop pawls are arranged. Within the conveyor-path region that is to remain clear, there is arranged in a fixed position a rail which acts upon the drivers as they pass the rail and in each case swings the stop pawl not in contact with the conveyor carriage into a non-driving position, so that upon the triggering of an alarm, although the overhead conveyor is stopped, a conveyor carriage present in the conveyor-path region can be moved out of conveyor-path region by an auxiliary drive which is also located in the conveyor-path region.
REFERENCES:
patent: 2943580 (1960-07-01), Burrows
patent: 2987012 (1961-06-01), King
patent: 3541967 (1968-09-01), Birkhead
patent: 4070972 (1978-01-01), Folsom et al.
patent: 4292897 (1981-10-01), Wakabayashi
Lubbecke Udo
Schilling Gerhard
Schneuing Ralf
Durkopp Adler Aktiengesellschaft
Le Mark T.
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