Honda Motor Co., Ltd.

Mitsui Minings & Melting Co., Ltd.

Norio Miyashita

Toshio Kurozu

Shinjiro Yamada

A seat lock device which comprises a lock unit fixed on each side of a back rest swingable back and forth and at a point spaced from a seat shaft and a plurality of strikers engageable with the lock unit, and wherein the lock unit includes elongate grooves engageable with the strikers and lock grooves; a circular actuating unit provided with elongate grooves engageable with the strikers and lock grooves, held at a free position ready for engagement with the striker when the elongate groove remains disengaged from the striker and rotated when the elongate groove is engaged with the striker; a latch for locking the lock groove by engagement therewith when the circular actuating unit is rotated to a lock position; a gate mechanism for preventing the lock action of the latch when the elongate groove remains disengaged from the striker; and a releasing mechanism for releasing the lock action of the latch, thereby enabling the back rest to be locked in an inclined position corresponding to any of the strikers engaged with any of the elongate grooves.

Seat lock device

A seat lock device comprising a lock units provided on the side of a seat and at a point spaced from the pivotal shaft of the back rest and a plurality of strikers erected on an immovable member for engagement with the lock unit, wherein when any of the strikers is moved in engagement with any of elongate grooves cut out in a rotatable actuating unit pivotally supported by the lock unit and the actuating unit is rotated by a predetermined angle, a latch is inserted into any of the elongate grooves to lock said actuating unit, consequently said back rest, on the striker, and where a connector is pulled, the back rest is unlocked and can be shifted to another striker to be locked thereby.

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Oizumi, Japan

Norio Miyashita