Lie-down massager
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United States of America Patent
Stats
-
Jul 25, 2006
Grant Date -
Jan 13, 2005
app pub date -
Jul 7, 2003
filing date -
Jul 7, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lie-down massager includes a base frame having a top panel, a rider provided below the top panel of the base frame, a guide member movably engaged between the base frame and the rider to enable the rider to make a horizontally reciprocal movement relative to the base frame, massage bumps that move vertically along an elongated top opening of the elongated top panel of the base frame, and a lifter that holds the massage bumps and adjusts the height of the massage bumps. The lifter includes a top plate, a bottom plate, a fluid operated cylinder fixed to the bottom plate, and a spring fixed between the top plate and the bottom plate. The fluid operated cylinder has a cylinder shaft that is moved by pressurized fluid overcoming the force of the spring, and a guide shaft and a guide bearing that have a square cross section.
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