Abstract: The present disclosure discloses an apparatus of cardiopulmonary resuscitator that is operated through a driving mechanism controlled and driven by air power. The driving mechanism functions to actuate a belt adapted to extend around a chest of a patient to generate reciprocating movement of pressing and releasing so as to achieve a purpose of cardiopulmonary resuscitation for recovering heartbeat and breathing of the patent.

Abstract: The present disclosure discloses an apparatus of cardiopulmonary resuscitator that is operated through a driving mechanism controlled and driven by air power. The driving mechanism functions to actuate a belt adapted to extend around a chest of a patient to generate reciprocating movement of pressing and releasing so as to achieve a purpose of cardiopulmonary resuscitation for recovering heartbeat and breathing of the patent.

Abstract: The present invention discloses an apparatus of cardiopulmonary resuscitator that is operated through a driving mechanism controlled and driven by air power. The driving mechanism functions to actuate a belt adapted to extend around the chest of a patient to generate reciprocating movement of pressing and releasing so as to achieve a purpose of cardiopulmonary resuscitation for recovering heartbeat and breathing of the patent. By means of the disclosure of the present invention, the apparatus of cardiopulmonary resuscitator is capable of being operated in any kinds of occasions without worrying about lack of power electricity. Meanwhile, the driving mechanism can provide higher reliability and lower cost through the mechanism design that is more simplified than the design of electrical control element used in the conventional apparatus.

Abstract: The present invention discloses an apparatus of cardiopulmonary resuscitator that is operated through a driving mechanism controlled and driven by air power. The driving mechanism functions to actuate a belt adapted to extend around the chest of a patient to generate reciprocating movement of pressing and releasing so as to achieve a purpose of cardiopulmonary resuscitation for recovering heartbeat and breathing of the patent. By means of the disclosure of the present invention, the apparatus of cardiopulmonary resuscitator is capable of being operated in any kinds of occasions without worrying about lack of power electricity. Meanwhile, the driving mechanism can provide higher reliability and lower cost through the mechanism design that is more simplified than the design of electrical control element used in the conventional apparatus.

Abstract: An air hammer type impact tester including a machine base having a pressure accumulation chamber with an air inlet, a straight tube vertically suspending in the pressure accumulation chamber, a test platform mounted on the machine base and having a replaceable buffer block adapted to support the sample to be tested, a hammer block moved in the straight tube to strike the buffer block against the test sample, an air pump operated to pump air into the pressure accumulation chamber, a diaphragm moved between the bottom end of the straight tube and the air inlet of the pressure accumulation chamber, the diaphragm being forced upwards by compressed air to close the bottom end of the straight tube when compressed air is pumped from the air pump into the pressure accumulation chamber, the diaphragm being forced downwardly away from the bottom end of the straight tube by air pressure when the inside pressure of the pressure accumulation chamber surpasses a predetermined value, permitting the inside pressure of the pr