| 摘要 |
PROBLEM TO BE SOLVED: To protect an object to be defended in case that a cashbox or a trunk is illegally carried or a contour worker in a shop or a bank is attacked with a gun or a knife beyond a counter. SOLUTION: Inside cover plates 18 at side portions of both boxed halves 12, 12 of a hand trunk 10 for cash transportation, expandable bags 20, 20 with excellent bullet, knife and flame prevention and high heat resistance are incorporated. Further, each of both boxed halves 12, 12 includes a gas bomb 22 filed with high pressure carbon dioxide gas and connected into each of the expandable bags 20, 20 for spraying carbon dioxide and a check valve for preventing the backflow of carbon dioxide from each of the expandable bags 20, 20 expanded to the gas bomb 22. The end of each of pull-off pins 24, 24 possibly pulled off to start the spray of high pressure carbon dioxide from the gas bomb 22 is exposed to the upper face of each of both boxed halves 12, 12.
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