Traction device for medical use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 22, 2002
Grant Date -
N/A
app pub date -
Oct 31, 2000
filing date -
Mar 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A traction device has a casing, a drum mounted in the casing for undergoing rotation, and a traction rope having a first end connected to the drum and a second end extending through an opening in the casing. A roller is disposed in the casing for guiding the traction rope and a biasing member for resiliently biasing the traction rope onto the roller. A spring has a first end connected to the drum for urging the drum in a direction of rewinding the traction rope on the drum. A rope coupling is connected to the second end of the traction rope for preventing the second end of the traction rope from passing through the opening of the casing. A tension meter is disposed between the traction rope and the rope coupling for measuring a tension of the traction rope. A shaft is supported by the casing for undergoing rotation relative to the drum and is connected to a second end of the spring. A ratchet mechanism rotates the shaft to apply an initial load to the spring.
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