LOAD DETECTION DEVICE FOR VEHICLE SEAT

• Main Authors: ICHIHARA KAN, INAYOSHI MUNETO, FUJII HIROYUKI, ITO KOJI, KAWAJIRI NAOKA, KUWABARA TAKESHI, ASANO YOSHIMASA
• Format: Patent
• Language: English
• Published: 20.05.2010
• Subjects: GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MEASURING; PERFORMING OPERATIONS; PHYSICS; SEATS SPECIALLY ADAPTED FOR VEHICLES; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TESTING; TRANSPORTING; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL; WEIGHING

A load detection device for a vehicle seat mounted between a floor side mounting mechanism and a seat side mounting mechanism and measuring a load applied by an occupant seated on the vehicle seat, includes a shaft member adapted to be fixed to one of the floor side mounting mechanism and the seat side mounting mechanism, a strain generating member fixed to the shaft member and including a hole into which the shaft member is press-fitted, a strain gauge attached to the strain generating member, the shaft member of which surface hardness is specified to be lower than a surface hardness of the hole and including a scraping projecting portion scraped off by means of the hole in a case where the shaft member is press-fitted to the hole, and an inter space formed between the strain generating member and the shaft member and positioned next to the scraping projecting portion.