Mold cover lift system for a patty-forming apparatus
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United States of America Patent
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-
Jun 12, 2007
Grant Date -
Apr 7, 2005
app pub date -
Sep 16, 2004
filing date -
Sep 16, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reciprocating mold plate food patty-forming machine is provided that includes a mold plate that reciprocates between a cavity fill position and a patty discharge position. The mold plate is movable beneath a mold cover. A mold cover lifting apparatus is provided as part of the machine and comprises a primary threaded drive that is configured to support and elevate the mold cover and which elevates or lowers upon input of rotary power to raise or lower the mold cover. A motor is operatively connected to the primary threaded drive to input rotary power to the primary threaded drive. A secondary threaded element follows the primary threaded drive and is configured to support the mold cover if the primary threaded drive fails.
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