Floating mold changer carriage
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 11, 1992
Grant Date -
N/A
app pub date -
Dec 7, 1988
filing date -
Dec 7, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A floating mold changer carriage is movable between a shaping device for shaping a sheet of glass with at least one mold and a mold storage area spaced from the shaping device, for replacing the mold with a new mold. The carriage includes a main frame having a plurality of pallets mounted on a lower surface thereof and each having a flow passage with its one open end connected to fluid source. The pallet has a cylindrical portion on its lower surface and a hollow annular member of a resilient material disposed around the cylindrical portion. The annular member has an opening confronting the other open end of the flow passage. When a fluid or air is supplied from the fluid source via the flow passage into the annular members, the annular members are inflated to float the main frame off the floor. Continued supply of air develops a fluid or air layer between the floor and the annular members to lower the coefficient of friction therebetween, thus allowing the carriage to be moved easily.
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