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US 5,613,789 AGranted
Platen for impact printer
AssigneeCitizen Watch Co., Ltd.
InventorMakoto Sugai
Life of this patent
Estimating the term…
Abstract
A platen for an impact printer includes a hollow metal pipe having a hollow interior and inner and outer surfaces. A layer of elastic material covers the outer surface. A metal rod is inserted into the hollow interior and has an outer surface spaced from the inner surface to define therebetween a clearance. Such clearance is filled with a liquid.
Claims13
A platen for an impact printer, said platen comprising:
- a hollow metal pipe having a hollow interior and inner and outer surfaces;
- a layer of elastic material covering said outer surface;
- a rod inserted into said hollow interior and having an outer surface spaced from said inner surface to define a clearance of approximately 0.01-0.2 mm therebetween;
- and
- liquid filling said clearance.
2 more elements
Dependencies are inferred from the claim text.