AXIAL BUFFER DEVICE AND FALL PROTECTION DEVICE HAVING THE SAME
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United States of America Patent
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Issued Date -
Dec 6, 2018
app pub date -
Jan 19, 2018
filing date -
Jan 19, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An axial buffer device and a fall protection device including the axial buffer device are disclosed. The axial buffer device includes a buffer rod having a first friction surface; and a buffer member having a second friction surface which contacts the first friction surface. When any one of the buffer rod and the buffer member is pulled by a force which is greater than a default value to overcome a maximum friction between the buffer member and the buffer rod, the buffer member would slide on the buffer rod with friction to cushion the pulling force. The fall protection device includes a frame, a rotary member disposed in the frame and adapted to roll up a safety belt, and the axial buffer device. One of the buffer rod and the buffer member is connected to a hanging point and the other one is connected to the frame.
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