Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Koyo Seiko Company, Ltd.

Takao Ichimura

Shuji Nagano

Kenji Takahashi

Kazuo Uchida

Hirokazu Komai

Takashi Fujimoto

Toshihiko Oka

Valve device for engine

A rocker arm with a roller made with a metal plate and utilized in a valve actuating System of an engine is provided. The roller mounting rocker arm includes a rocker arm body (11) having a pair of side walls (11c) and a connecting portion 12 for connecting the side walls (11c), a roller (7) mounted between the side walls (11c), a pivot engageable recess (12a) formed on the connecting portion by drawing, and a valve stem receiving portion (14) formed at the other end of the side walls (11c). This roller mounting rocker arm has a high rigidity and is suitable for mass-production, and low cost is realized.

Method for manufacturing a rocker arm with a roller

A rocker arm with a roller made with a metal plate and utilized in a valve actuating system of an engine is provided. The roller mounting rocker arm includes a rocker arm body (11) having a pair of side walls (11c) and a connecting portion 12 for connecting the side walls (11c), a roller (7) mounted between the side walls (11c), a pivot engageable recess (12a) formed on the connecting portion by drawing, and a valve stem receiving portion (14) formed at the other end of the side walls (11c). This roller mounting rocker arm has a high rigidity and is suitable for mass-production, and low cost is realized.

Rocker arm with roller and a method for manufacturing the same

Growing community of inventors

Otsu, Japan

Takao Ichimura