Throttle device and method for manufacturing throttle device
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United States of America Patent
Stats
-
Aug 2, 2022
Grant Date -
Sep 16, 2021
app pub date -
Jun 3, 2021
filing date -
Dec 18, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve gear includes a gear portion configured to rotate by drive torque transmitted from an actuator, a boss portion provided on the gear portion and having a cylindrical outer wall, and one or more extension portions extending in an axial direction from the gear portion on a radial outer side of the boss portion. A coiled spring including a first hook provided at end portion on a gear portion side, and a second hook provided at end portion on an opposite side to the gear portion so that the first hook and the second hook are respectively locked to each other on opposite sides in a circumferential direction of the extension portion. A valve gear subassembly formed by assembling the valve gear and the spring is housed in a valve gear accommodating chamber of the body, and the second hook of the spring is locked to the body.
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