Vehicles comprising assemblies having fastener with ergonomically balanced removal to insertion ratio
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United States of America Patent
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Issued Date -
May 20, 2004
app pub date -
Nov 7, 2003
filing date -
Jun 25, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to a spring fastener, which comprises engagement springs in opposite sides of the fastener. Each engagement spring has an engagement region comprising a hindrance portion, which increases considerably the removal to insertion force ratio as compared to such ratio in the absence of the hindrance portion, thus permitting very easy insertion with considerably more difficult removal of the fastener from the slot of a panel, which provides an efficient ergonomically balanced removal to insertion force ratio. The hindrance portion comprises ripples or other hindrance elements of unexpectedly minute dimensions for providing this efficient ergonomic force balance.
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