Large-area washer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Jun 7, 1996
filing date -
Dec 10, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A large-surface plain washer (1) has an opening (5) for inserting a fastener. Engagement elements (1) that increase the engagement with a plate and/r web to be fastened are provided at the surface of the washer (1) that faces in the fastening direction. In addition, projecting spacers (17) shaped as tongues (26) that become effective when several washers (1) are stacked are provided at the lower side of the washer (1). The free end of these tongues (26) may be supported on the top side of the plain washer located directly underneath, so that the washers may be stacked without causing the engagement elements (13) of different washers (1) to engage each other. Individual washers (1) may thus be easily separated from a stack of washers (1), either by rotating or by moving the lowermost washer.
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