| 摘要 |
The device ( 1 ) for ejecting a liquid or pasty product, comprises a body ( 2 ), a part intended to contain the product and equipped with an orifice for ejecting the product, a drive cylinder ( 3 ) equipped with teeth ( 10 ), moving in a bore ( 23 ) passing through the body and causing the volume of the part intended to contain the product to vary and a mechanism for displacing the drive cylinder attached to the body, and comprises an articulated lever ( 4 ) acting on the teeth of the drive cylinder through an articulated pawl ( 16 ) articulated to the lever ( 4 ) and returned to a position of contact with the drive cylinder and a nonreturn pawl ( 18 ) returned to a position of contact with the drive cylinder. It is one wherein the lever ( 4 ) is connected to the body by means of a joint ( 14, 15 ) that can be dislocated.
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