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Print Hammer with Temporary Energy Storage Disclosure Number: IPCOM000054661D
Original Publication Date: 1980-Mar-01
Included in the Prior Art Database: 2005-Feb-13

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Bohg, A Hehl, W [+details]


In electromagnetically operated print hammers, the soft iron core of a pulse-energized coil is activated, forming a magnetic field in the operating air gap. The kinetic energy of the moved print hammer increases until coil energization is discontinued, so that the magnetic field collapses instantly.