Apparatus and method for safely lowering user from structure
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United States of America Patent
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Sep 17, 2013
Grant Date -
N/A
app pub date -
Oct 19, 2012
filing date -
Oct 19, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus is disclosed for safely lowering a user from a structure. The apparatus includes a ring structure configured to coaxially surround a pole structure including a spiraling inclined surface, wherein the ring structure includes a circular track; a brake mechanism having a first portion configured to travel along the spiraling inclined surface and a second portion configured to travel along the circular track when the apparatus is descending; and a user support assembly for supporting a user when the apparatus is descending, wherein the user support assembly is securely attached to the ring structure. The user support assembly includes a seat or net securely coupled to a vertically-adjustable member which is, in turn, coupled to a fixed member by way of a ratchet interface. The apparatus also includes a torque limiting mechanism configured to prevent or reduce axial rotation of the ring structure when the apparatus is descending.
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