The nail type signet has buffering function by making use of the inner spring of a signet handle and the shim of a signet neck to adapt the stamped objects of different states.
利用戳柄内弹簧和戳颈垫片，使之在操作时具有缓冲功能，以适应不同状态的被盖物。
A spring is adjacent said piston to force said piston cylinder away from said corresponding inlet, and a shim proximate said spring to adjust the force applied by said spring on said piston cylinder.
弹簧邻近所述活塞以迫使所述活塞缸离开所述相应的入口，而垫片贴近所述弹簧，以调节所述弹簧施加在所述活塞缸上的力。
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