Spring unit and sliding mechanism
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United States of America Patent
Stats
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Aug 25, 2015
Grant Date -
Oct 9, 2014
app pub date -
Jul 11, 2012
filing date -
Jul 11, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a spring unit whose spring constant can be easily changed. The spring unit includes a plurality of wire springs each including a bent part formed in the middle of wire by bending, extending parts extending from the bent part, and end parts formed at ends of the extending parts. The wire springs are arranged side by side, and a deformed part protruding in a direction of arrangement of the wire springs is formed in one or more of the extending parts.
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- H04M Class
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- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 25, 2027 |
