Printing mechanism with print hammer having noise dampener

Details Printing mechanism with print hammer having noise dampener Printing mechanism with print hammer having noise dampener

B - Operations, Transporting

41

J

B41J 29/10 (2006.01) B41J 1/24 (2006.01) B41J 9/26 (2006.01) B41J 9/28 (2006.01)

Patent

CA 2076900

ABSTRACT A printing device including a print hammer having a noise dampener for use with an impact printer mechanism. The print hammer has a significant mass for impacting a character pad against an ink ribbon, paper and a platen. In a first embodiment the print hammer includes an acoustic noise dampening layer interposed between a mass weight and the hammer face which car- ries the anvil that impacts during printing. In other embodi- ments the print hammer is formed in two parts. One part having a weighted mass and the other part being pivotally coupled to the printer mechanism. The two parts are structurally joined togeth- er by a noise dampening member. Transmission of acoustic noise during impact printing through the hammer is reduced.

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