Mattress apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 26, 2006
Issued Date -
N/A
app pub date -
Jul 29, 2005
filing date -
Feb 5, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fixed rod member is provided integrally with at least both sides of the lateral direction of the periphery of a bendable spring unit. A hinge mechanism is provided at the end portion of the fixed rod member. The hinge mechanism is connected by a movable rod member provided integrally with the periphery of at least one end portion of the spring unit. Thus, one end portion of the spring unit is configured to be bent together with the movable rod member.
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