COIL SPRING
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United States of America Patent
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N/A
Issued Date -
Aug 13, 2020
app pub date -
Nov 16, 2016
filing date -
Nov 17, 2015
priority date (Note) -
Published
status (Latency Note)
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Abstract
A coil spring (100) includes a top portion (110) and a bottom portion (120). The top portion (110) includes three coils that are vertically stacked on top of each other to have a straight cylindrical shape in a side-view of the top portion (110). The three coils connect together such that no gap exists between the three coils in the side-view. The top portion (110) includes a top coil (115) that extends one and one-half turns along a flat plane as seen from a top-view of the top portion (110). The bottom portion (120) includes multiple coils that form a truncated-cone shape in the side-view and that in a compressed state extends one and one-half turns along a flat plane as seen from a bottom-view of the bottom portion (120).
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