Hitachi Astemo Ltd.

Showa Corporation

Genki Yanagidate

Hayato Tsutsui

Kohei Sunami

A hydraulic cylinder device includes: a pump; a valve body disposed so as to partition an inside of a chamber into chambers; and a non-return valve including a movable member, an elastic member and a support member. The movable member moves to open/close one opening portion that is an opening portion on the one chamber side in a case that forms a flow channel from the one chamber toward an exterior. The elastic member gives force to the movable member in a direction to close the one opening portion, and has one end portion supported by the movable member. The support member is disposed to close an opening portion on the exterior side in the case to support the other end portion of the elastic member, and has a through hole that serves as a throttle of the flow channel from the one chamber toward the exterior.

Hydraulic cylinder device

An outboard engine lifting/lowering device includes: a bracket which is to be rotatably provided to a hull and which is to be fixed to a propulsion device; and a rod unit which includes a tilt rod and a trim rod that are configured to rotate the propulsion device and the bracket. The bracket is provided with a receiving part configured to receive a tip end of the trim rod, and the receiving part includes: a buffer member made of a resin or rubber; and a contact member made of metal, which is provided on a surface of the buffer member at a side at which the trim rod is arranged, and which is in contact with the tip end of the trim rod.

Growing community of inventors

Fukuroi, Japan

Genki Yanagidate