Patent ID: 7552848

Claim:
An automatic dosing device comprising: a storage chamber ( 7 ) for storing dispensable material, a dosing screw ( 2 ) housed in a housing ( 3 ), guiding means ( 20 ), a movable cursor ( 24 ) adapted to move a sealing member ( 30 ) which is adapted to tightly close a dispensable substance supply aperture ( 33 ) that is formed in the housing ( 3 ) and that is in communication with the storage chamber ( 7 ), and overrunning absorbing means ( 36 ) configured to be operable for preventing a force acting on the cursor ( 24 ) and exceeding a predetermined intensity to be transferred to the sealing member ( 30 ) independently of the sealing member position, wherein said cursor ( 24 ) and said sealing member ( 30 ) are slidably coupled.