Articulating bed with adjustable articulating lumbar support
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United States of America Patent
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Jul 16, 2019
Grant Date -
Dec 15, 2016
app pub date -
May 4, 2016
filing date -
May 5, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An actuating mechanism for lumbar support in an articulating bed incorporates a support frame for an articulating section having a seat section and an upper body support section. An actuator with a ram is pivotally attached to the upper body support section with a bracket. A lumbar actuation lever is pivotally attached to the ram and extends from a torque tube rotatable in bearing blocks mounted to the upper body support section. A second actuator is pivotally attached to the upper body support section with a second bracket and includes a second ram. At least one angled lifter arm extends from the torque tube and pivotally attaches to at least one lever engaging a lumbar support element through at least one aperture in the upper body support section. An actuator element extends from at least one lever and is connected to the second ram. The actuator element and associated lever rotate about a pivot point on the associated angled lifter arm.
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