Honda Motor Co., Ltd.

Kenji Iseki

Kohei Matsuzawa

Takahide Konchi

Kei Watanabe

Masashi Takeichi

Takuma Namiki

A suspension mechanism has a tube member that is movably attached to an attachment shaft, a first attachment shaft retaining member provided on the chassis to swingably retain the attachment shaft with an outer peripheral surface of the tube member abutted on its inside surface, a shaft lower end portion of slip surface shape provided at lowermost part of the attachment shaft, a second attachment shaft retaining member provided on the chassis below the first attachment shaft retaining member and having a vertex equivalent section and a curve equivalent section to retain the attachment shaft with the slip surface shape shaft lower end portion abutted onto the vertex or curve equivalent section. The curve equivalent section is defined as a portion of a vertical cross section that passes through the vertex equivalent section is formed in an arc shape.

Autonomously navigating vehicle

A work machine () such as a lawnmower provided with a height adjusting mechanism comprises a machine main body (), a guide member () provided on the machine main body so as to be rotatable around a vertical axis, a support member () engaged by the guide member via a converting mechanism that converts a rotational motion of the guide member into a vertical motion of the support member, a work unit () supported by the support member, and a sheet spring () provided on the machine main body and resiliently and slidably abutting against the adjusting driven member to urge the adjusting driven member in a downward direction.

Growing community of inventors

Saitama, Japan

Kenji Iseki