| 摘要 |
An electrical system comprises a module ( 3 ), an immovable element ( 2 ) defining a space for receiving the module and an ejecting mechanism assembled between the immovable element and the module. The ejecting mechanism comprises a guiding frame ( 6 ), a groove frame ( 5 ) and a first spring element ( 7 ) for urging the module to withdraw out of the immovable element. The guiding frame comprises a swing element ( 63 ) being ratatable around a pivot pin thereof and a second spring element ( 62 ) attached to the swing element. The swing element defines a guiding pin and a balance line. The groove frame defines a continuous groove for guiding the guiding pin. The second spring element can prevent the guiding pin from being moved along a direction opposite to a predetermined direction.
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