Free transfer machine with independent motorized carriages and battery recharging at work stations
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United States of America Patent
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May 26, 1992
Issued Date -
N/A
app pub date -
Aug 3, 1990
filing date -
Mar 4, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a free transfer machine equipped with independent motorized carriages. Each carriage comprises a variable speed motor, a rechargeable battery connected to contact blocks, and an individual travelling control system comprising a motor supply and control circuit which is controlled by a switch actuated by a front bumper and by a contactor mounted in series with the switch and carried by the lower face of the carriage in such a way as to be actuated by the retractable stop members. The circuit is also under the control of environment sensors. The trackway comprises, in relation to each work station, reed-contacts connected to an electric charge device and designed to cooperate with the contact blocks. The invention finds an application in transfer machines for production and assembly lines.
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