Tip-Up/Dive-Down Type Reclining Seat for Vehicle

摘要

A vehicle seat is disclosed. The vehicle seat includes reclining lock mechanisms for releasably locking a seat back, a first releasing mechanism for unlocking the reclining lock mechanisms and causing the seat back to be brought to a condition where the seat back is allowed to be pivoted forward and rearward, the first releasing mechanism including a collapsible link bar member 70, a braking link 71 having a laterally projecting induction pin 72, a first link plate 73, and a first operating lever 7, a tipping-up lock mechanism for releasably locking a seat cushion, the tipping-up lock mechanism including cutout teeth 52a to 52c provided at the seat cushion, and a latch 80 and a cam member 81 which are supported to the seat back, and a second releasing mechanism for unlocking the tipping-up lock mechanism and causing the seat cushion to be brought to a condition where the seat cushion is allowed to be pivoted, the second releasing mechanism including a recess portion 80d formed in the latch 80 for allowing the cam member 81 to be swung up, a second link plate 82, and a second operating lever 8.

主权项

1. A tip-up/dive-down type reclining seat for a vehicle, said vehicle including a vehicle body floor having an upper step portion and a lower step portion; said tip-up/dive-down type reclining seat comprising: a seat back including a pair of first spaced apart side brackets; a seat cushion including a pair of second spaced apart side brackets; a pair of third spaced apart base brackets mounted on said upper step portion; reclining lock means for releasably locking said seat back; said reclining lock means including a pair of reclining lock mechanisms each provided between a lower end portion of corresponding one of said first spaced apart side brackets and corresponding one of said third spaced apart base brackets, so that when said reclining lock mechanisms are locked, said seat back can be locked in a substantially vertical posture, and when said reclining lock mechanism are unlocked, said seat back is allowed to be pivoted forward and rearward and angularly adjusted; said reclining lock mechanisms including actuating shafts coupled to each other through a connecting shaft; said reclining lock mechanism being adapted to be unlocked when said actuating shafts are rotated, and adapted to be locked when said actuating shafts are rotated back; said seat cushion being pivotally supported at rear portions of said second spaced apart side brackets thereof to portions of said first spaced apart side brackets which are adjacent lower end portions of said first spaced apart side brackets, by first support pins, so that said seat cushion is adapted to be tipped up; a stand leg portion pivotally supported to forward portions of said second spaced apart side brackets and adapted to be releasably engaged with respect to said lower step portion of said vehicle body floor so as to stand from said lower step portion; tipping-up lock means on at least one of said first spaced apart side brackets and at least one of said second spaced apart side brackets for releasably locking said seat cushion in a tipped-up position, at which said seat cushion becomes opposed to said seat back in a substantially vertical posture, and a used position at which said seat cushion becomes a substantially horizontal posture; first releasing means on said at least one of said first spaced apart side brackets and said at least one of said second spaced apart side brackets for unlocking said reclining lock means; and second releasing means on said at least one of said first spaced apart side brackets and said at least one of said second spaced apart side brackets for unlocking said tipping-up lock means; wherein an entire vehicle seat in a condition where said seat cushion is located at said tipped-up position or in a condition where said seat back is pivoted forward with respect to said seat cushion in said used position can be dived down and stored in a space on said lower step portion of said vehicle body floor.