Pillow
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United States of America Patent
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N/A
Issued Date -
Oct 13, 2011
app pub date -
Dec 11, 2008
filing date -
Dec 11, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pillow that changes its height during lying on the back and lying sideways, automatically and reliably according to sleeping posture of a user. No adjustment is necessary, and the height is stable. A biasing device provided in a hollow of the head placement member of a pillow is equipped with a link mechanism including a load supporting link, a rear end side of which being placed slidably on an upper end portion of a rear side link and a front end side thereof being connected rotatably to a front end side of an upper side link, and a tension spring for biasing the load supporting link to push the same upwards.
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Family
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