Coupling for use in supplying air pressure to an air driven pump on a pallet
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United States of America Patent
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-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Aug 31, 1998
filing date -
Aug 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coupling for use in supplying air pressure to an air driven pump on a pallet is disclosed. The male half of the coupling is affixed to a pallet changing station and the female half is suspended from a pallet. Suspension of the female half from the pallet enables the male and the female half to couple despite misalignment. The male half includes two pistons and the female half includes a power port, a vent port and a central port. The power port is connected to an air driven hydraulic pump and the control port is connected to a pilot on a four-way valve. The hydraulic pump operates vides contained on the pallets. The number of vices operable is only limited by the capacity of the hydraulic reservoir located in the pallet.
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