Union Seimitsu Co., Ltd.

Shunitirou Ozaki

Hideaki Amano

Kenji Nakanishi

It is possible to compensate for waterproof with a simple structure, and to achieve a reduction in the number of parts and a reduction in the connecting operation time. There is a connecting member that connects a first memberto a second member, wherein the connecting member is a fastening screw, having a headon one side thereof and having a threaded portionon the other side thereof, which performs connecting by fastening, and a plurality of rows of annular groovesare formed in a seat surfaceof the headaround a shaft of the screw. In addition, the head side of the fastening screwis provided with a neck having a larger diameter than the diameter of the threaded portion which is closely inserted into an insertion hole of the first member, and a plurality of rows of annular groovesare formed on the outer circumference of the neck.

Growing community of inventors

Kanagawa, Japan

Shunitirou Ozaki