Wear plate retainer with magnetically retained, replaceable wear plate
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United States of America Patent
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-
Oct 16, 2001
Issued Date -
N/A
app pub date -
Dec 2, 1998
filing date -
May 6, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wear plate retainer having upper and lower layers. The lower layer is formed of a relatively soft, shock-absorbent material and the upper layer is formed of a relatively hard, impact and abrasion resistant material. A plurality of magnets are embedded in the upper layer to removably magnetically retain a wear plate atop the upper layer. A pair of pole pieces are positioned on opposed sides of each magnet and embedded in the upper layer. The pole pieces extend above the magnet, protecting it from impact forces. The pole pieces also focus the magnetic field forces emanating from the magnet. The magnets are arranged in rows, with adjacent poles of adjacent pairs of magnets in adjacent pairs of the rows having alternate polarity. The rows are parallel to one another and extend transversely to the direction in which material flows across the wear plate.
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