Height lock device for vehicle seat
AssigneeTs Tech Co., Ltd.
InventorEiji Masutani
Life of this patent
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Abstract
A vehicle seat is configured to be adjustable in height having a height adjusting mechanism composed of a link mechanism disposed between a lower rail provided at a vehicle body side and the vehicle seat. The vehicle seat comprises a guide plate provided on the vehicle seat, a gear plate attached to the lower rail and movably provided on the guide plate in a straight direction, a pair of lock arms provided on the guide plate and engageable with a pair of gear portions of the gear plate when an emergency load is applied to a seat belt of a vehicle seat occupant. The pair of gear portions is formed by mutually deviating by half pitch P each between an engagement plane of one gear portion and an engagement plane of the other gear portion.
Claims4
A vehicle seat configured to be adjustable in height having a height adjusting mechanism composed of a link mechanism disposed between a lower rail provided at a vehicle body side and the vehicle seat, said vehicle seat comprising:
- a guide plate provided on the vehicle seat;
- a gear plate attached to the lower rail and movably provided on the guide plate in a straight direction;
- a pair of lock arms provided on the guide plate and engageable with a pair of gear portions of the gear plate when an emergency load is applied to a seat belt of a vehicle seat occupant;
- wherein an engagement plane of one gear portion deviates one half pitch from an engagement plane of another gear portion.
Dependencies are inferred from the claim text.