Electromagnetic drive for recording pins in a matrix printer
AssigneeU.S. Philips Corporation
InventorsKlaus Brandenburg, Hermann Richter, Wendelin Weber
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Abstract
An electromagnetic drive for a recording pin of a matrix printer, comprising a cylindrical armature which is displaceable by means of an excitation coil and in which a clamping sleeve is provided which comprises an indentation which encloses the recording pin in a clamping manner and whose length governs the position of the recording pin.
Claims2
An electromagnetic drive for a recording pin in a matrix printer, comprising a cylindrical excitation coil which is arranged on a yoke and inside of which a cylindrical armature is displaceable, a recording pin being connected to said armature by means of a clamping sleeve which includes means for biasing said clamping sleeve against the inner wall of the armature and which encloses the recording pin in a clamping manner, said clamping sleeve comprises an indentation which extends radially towards the center of said cylindrical armature and which encloses the recording pin in a clamping manner said indentation being spaced from said means for biasing.
Dependencies are inferred from the claim text.