Kabushiki Kaisha Somic Ishikawa

Yoshihiko Nagashima

Masanori Itagaki

Ryota Shimura

Hidenori Kanno

Described is 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.

Growing community of inventors

Tokyo, Japan

Yoshihiko Nagashima