| US 7,575,109 B2 | ||
| Rotary damper and method for manufacturing rotary damper | ||
| Hidenori Kanno, Tokyo (Japan); Ryota Shimura, Tokyo (Japan); Masanori Itagaki, Tokyo (Japan); and Yoshihiko Nagashima, Tokyo (Japan) | ||
| Assigned to Kabushiki Kaisha Somic Ishikawa, Sumida-Ku, Tokyo (Japan) | ||
| Appl. No. 10/568,295 PCT Filed Jun. 08, 2004, PCT No. PCT/JP2004/007958 § 371(c)(1), (2), (4) Date Aug. 03, 2006, PCT Pub. No. WO2005/031187, PCT Pub. Date Apr. 07, 2005. |
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| Claims priority of application No. 2003-334178 (JP), filed on Sep. 25, 2003. | ||
| Prior Publication US 2007/0193840 A1, Aug. 23, 2007 | ||
| Int. Cl. F16D 57/02 (2006.01) | ||
| U.S. Cl. 188—296 [188/290] | 2 Claims |
| 1. A rotary damper comprising:
a partition wall to partition space formed between a rotor and a housing to house said rotor and to form a fluid chamber to
be fluid-filled; and
a vane to be disposed in said fluid chamber; and
a plug to close an opening of said housing;
wherein said plug has a flange to be used for mounting which protrudes from an outer circumferential surface of said plug
and a stepped portion to enable part of a roller caulking an edge of said opening of said housing to revolve and travel along
a peripheral edge of said housing so that said plug having said flange is coupled to said housing by caulking an edge of said
opening of said housing.
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