Moving device for rod part supporting instrument hose and dental examination-and-treatment apparatus including moving device for rod part supporting instrument hose
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United States of America Patent
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Aug 27, 2024
Grant Date -
Oct 29, 2020
app pub date -
Nov 17, 2017
filing date -
Nov 17, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A moving unit includes a housing, a rotary unit to which a rod part is attached, a spring that generates a torque when the rod part is tilted down or tilted up about a rotation axis on the side on which a base portion of the rod part is located, and a torque adjustment unit that is capable of adjusting a torque by deforming the spring. The torque adjustment unit includes a spring deforming portion that deforms the spring in a direction in which the spring is wound up and a spring fixing portion that keeps a torque constant by coming into contact with the spring deforming portion and fixing the spring deforming portion in place.
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