The invention relates to a seat mechanical lock with a restoring force. The seat mechanical lock comprises a lock frame, a sleeve, a lock shaft, a piston, a first spring, a second spring, a compaction mechanism and a pull rope, wherein a transverse through hole and a vertical through hole, which are vertical to each other, are formed in the lock frame; one end of the sleeve is fixed on the lock frame and a through hole in the sleeve is communicated with the vertical through hole; the piston is arranged in the transverse through hole; a through hole is formed in the side face of the piston; the lock shaft is matched with the vertical through hole and penetrates through the through hole in the piston; the compaction mechanism is arranged on the left side of the piston and the first spring is arranged on the right side of the piston; the pull rope is connected with the compaction mechanism and can be used for controlling the compaction mechanism to rightwards push the piston; the second spring sleeves the lock shaft; the lower end of the second spring is fixedly connected with the top of the lock frame and the upper end of the second spring is fixedly connected with the top of the lock shaft. By the aid of the seat mechanical lock with the restoring force, a backrest can be locked and unlocked and the seat mechanical lock can be stressed in two directions and can provide the restoring force in an application process; the seat mechanical lock is light and reliable and is convenient to operate.


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    Title :

    Seat mechanical lock with restoring force


    Contributors:
    XIONG BIN (author) / HOU YEQI (author)

    Publication date :

    2015-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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