Showa Corporation

Fukoku Bussan Co., Ltd.

Tomoyoshi Nagamachi

Shinichi Sutou

Akira Takada

A dust cover is provided in a cylindrical shape in an axial direction of a suspension apparatus configured to dampen a shock, and is extendable and compressible in the axial direction, or can be bent. A dust cover has a plurality of peak sections provided in the axial direction and configured to protrude outward in a radial direction, a plurality of valley sections provided in the axial direction and configured to protrude inward in the radial direction, and a plurality of connection sections provided in the axial direction and configured to connect the peak sections and the valley sections. At least one of axial concave sections and axial convex sections, which are formed in the axial direction, are provided in at least any of the peak section, the valley section, and the connection section.

Cover member and shock absorber

A cover member is to cover a cylinder and includes a plurality of peaks, a plurality of valleys, and coupling portions, which couple the plurality of peaks to the plurality of valleys. The cover member is expandable and contractable in an alignment direction in which the plurality of peaks and the plurality of valleys are aligned. Each peak of the plurality of peaks includes a depression depressed from an apex of the peak in a direction toward the cylinder, and each valley of the plurality of valleys includes a protrusion protruding from a bottom of the valley in a direction opposite to the cylinder.

Growing community of inventors

Gyoda, Japan

Tomoyoshi Nagamachi