Manual release systems for ambulance cots
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United States of America Patent
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-
Sep 10, 2019
Grant Date -
Feb 14, 2019
app pub date -
Oct 18, 2018
filing date -
Dec 4, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments of a cot comprise a support frame, legs coupled to the support frame, at least one hydraulic actuator configured to raise or lower the legs, and a manual release system coupled to the at least one actuator and configured to lower the cot manually at a controlled descent rate. The manual release system comprises a manual actuation component, a manual release valve operable to be opened upon actuation by the manual actuation component, a fluid reservoir operable to receive hydraulic fluid from the at least one actuator upon opening of the manual valve; and a flow regulator configured to control the flow rate of the hydraulic fluid into the fluid reservoir, wherein the release of hydraulic fluid into the fluid reservoir at the controlled flow rate is configured to manually lower the cot at the controlled descent rate.
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