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US-2019345997-A1 · Nov 14, 2019 · US
Rotary damper device and method for producing same
US9080628B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9080628-B2 |
| Application number | US-201214002554-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 10, 2012 |
| Priority date | Mar 2, 2011 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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A rotary damper device includes a damper housing enclosing a viscous fluid; a rotor having a rotor vane rotatably received inside the damper housing, and a rotor axis protruding to an outside of the damper housing; and a rotary member combined with a protruding end of the rotor axis. The rotary member includes an insertion hole through which the protruding end of the rotor axis passes, and a pair of control walls at a hole edge with the insertion hole interposed therebetween. A protruding end of the rotor axis protrudes in a radial direction of the rotor axis along a gap between the pair of control walls so as to be engaged with the hole edge of the insertion hole by being heated and deformed in a state wherein the protruding end of the rotor axis has passed through the insertion hole.
First claim
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What is claimed is: 1. A rotary damper device, comprising: a damper housing internally enclosing a viscous fluid; a rotor including a rotor vane rotatably received inside the damper housing, and a rotor axis provided to project along a rotary axis of the rotor vane, and protruding to an outside of the damper housing; and a rotary member combined with a protruding end of the rotor axis, wherein the rotary member includes an insertion hole through which the protruding end of t…
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- What does patent US9080628B2 cover?
- A rotary damper device includes a damper housing enclosing a viscous fluid; a rotor having a rotor vane rotatably received inside the damper housing, and a rotor axis protruding to an outside of the damper housing; and a rotary member combined with a protruding end of the rotor axis. The rotary member includes an insertion hole through which the protruding end of the rotor axis passes, and a pa…
- Who is the assignee on this patent?
- Shumozaki Kei, Nifco Inc
- What technology area does this patent fall under?
- Primary CPC classification F16D41/18. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).