| 摘要 |
PURPOSE:To enable the actual volume of a supplied oil quantity and a residual oil quantity to be measured by making a relationship between an arm lever and a display the interlocking one between a driving piece and an engaging piece and constituting an oil gage such that the engaging piece of the display in an oil supply engages the driving piece in a different position from that in an upset use. CONSTITUTION:Since an oil tank cartridge is used in an upset condition in an oil supply to the tank cartridge in contrast with the normal use of itself, the position of an arm lever 4 indicative of the 'full' quantity of the oil that has been supplied to the tank cartridge is turned to a 'vacant' position in the normal use. A relationship between the arm lever 4 and a display 7 is made one between a driving piece 8 and an engaging piece 9, and furthermore the engaging piece 9 of the display 7 is engaged with the driving piece 8 in different positions. Thus, since the driving piece 8 and the engaging piece 9 in the display 7 are engaged with each other in different positions due to gravity according to the case of oil supply to the cartridge and in that of its normal use in the upset condition, the part of surface of the display 7 that can be seen from the outside of an oil tank 1 is different according to the cases. Accordingly, when two places of the surface of the display 7 are used to indicate the oil quantity in the case of oil supply to the cartridge and the one in the case of its normal use in the upset condition, a supplied oil quantity and a residual oil quantity can be seen in the case of oil supply to the cartridge and in the case of its normal use in the upset condition, respectively.
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