Balance weight connection screw
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Nov 2, 2016
filing date -
Nov 10, 2010
priority date (Note) -
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Abstract
The present invention relates to a screw providing a balance weight to be secured to a household appliance, for example a washing machine, in prestressed manner, having a head providing the screwing operation to be performed by being rotated, mounted with a spring washer on the lower side, and a shank extending under the head having a threaded portion thereon, a cylindrical shoulder disposed on the part of the screw where the shank joins with the head, with a diameter greater than that of the shank.
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