Vehicle seat, has base raising structure with base framework connected to bottom framework in pivoting manner to raise base to vertical non-utilization position, and index pin locking and unlocking base for permitting its rotation

摘要

The seat has a base raising structure comprising a base framework (2) connected to a bottom framework (1) in a pivoting manner so as to raise a base from a horizontal utilization position to a vertical non-utilization position. The base framework has a front end part turned in a direction oriented towards front, and an index pin (10) locks and unlocks the base for permitting its rotation.