Vehicle seat lock
AssigneesMitsui Mining & Smelting Co., Ltd., Toyota Boshoku Kabushiki Kaisha
InventorsHisashi Inoue, Shigeo Kakuta, Naoya Seto, Masahito Minoura, Shinji Suzuki, Isao Shinagawa, Toshikazu Araki, Kazunori Tahashi
Life of this patent
Estimating the term…
Abstract
In a vehicle seat lock, a striker is mounted to a vehicle body and a hook member is mounted to the seat back. The striker comprises the first and second engagement portions which selectively engage in first and second engagement grooves of the hook member to hold the seat back in two kinds of standing positions. The hook member is pivotally secured on a pivot to open and molded with synthetic resin to buffer impacting of the striker.
Claims8
A vehicle seat lock of a seat in a vehicle body, the seat comprising a seat back and a seat cushion, the seat back being attached to the seat cushion, the seat back being adapted to assume a first standing position in which the seat back stands and a second standing position in which the seat back is tilted backward from the first standing position, the seat cushion being mounted on a floor of the vehicle body, the vehicle seat lock comprising:
- a striker fixed to the vehicle body and comprising a first engagement portion and a second engagement portion:
- a first base member fixed in the seat back;
- a second base member connected to the first base member and fixed in the seat back;
- a first pivot shaft fixed to the first and second base members between the first and second base members;
- a first spring wound on the first pivot shaft;
- and
- a hook member pivotally secured on the first pivot shaft against force of the first spring wound around the first pivot shaft and comprising a first arm, a second arm and a pivot portion, a first engagement groove being formed between the first arm and the second arm, a second engagement groove being formed between the second arm and the pivot portion, a buffer portion being formed on a rear edge of the pivot portion facing the second engagement groove and molded from synthetic resin, the first engagement portion of the striker engaging in the first engagement groove of the hook member in the first standing position of the seat back, the first engagement portion of the striker engaging in the second engagement groove of the hook member with play and the second engagement portion of the striker engaging in the first engagement groove of the hook member in the second standing position of the seat back, sound being reduced by the synthetic resin buffer portion if the first engagement portion contacts the buffer portion when the first engagement portion of the striker enters the second engagement groove of the hook member.
Dependencies are inferred from the claim text.