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US 8,746,998 B2Granted
Dot impact printer
AssigneeSeiko Epson Corporation
InventorChoji Morozumi
Life of this patent
Estimating the term…
Abstract
A dot impact printer including a printhead unit having a wire dot head that strikes an ink ribbon against a recording medium to print, and a head support frame that supports the wire dot head; a path forming member that forms the recording medium conveyance path at the printing position of the wire dot head; and a first contact group having at least three contact points disposed to the head support frame that contact the path forming member proximally to the wire dot head for positioning to the path forming member in the head pin projection direction.
Claims5
A dot impact printer comprising:
- a printhead unit having a wire dot head configured to strike an ink ribbon against a recording medium to print by a head pin, and a head support frame that supports the wire dot head;
- a path forming member configured to form the recording medium conveyance path at a printing position of the wire dot head;
- a first contact group having at least three contact points disposed to the head support frame configured to contact the path forming member proximally to the wire dot head and position to the path forming member in a head pin projection direction;
- and
- a second contact group disposed to the head support frame,
- wherein the second contact group has a contact point configured to contact the path forming member at a position farther from the wire dot head than the contact points of the first contact group;
- and
- wherein a height of the contact point of the second contact group is lower in the head pin projection direction than that of the contact points of the first contact group.
5 more elements
Dependencies are inferred from the claim text.