Multi-layer sheet feeder
First Claim
Patent Images
1. A sheet feed mechanism, comprising:
- a multi-layer structure, comprising;
a wear layer adapted to contact a sheet during sheet feeding; and
a replacement indicator layer adjacent the wear layer and adapted to indicate a wear condition of the multi-layer structure upon wear through the wear layer to the replacement indicator layer.
1 Assignment
0 Petitions
Accused Products
Abstract
A sheet feed mechanism having a multi-layer structure. The multi-layer structure has a wear layer adapted to contact a sheet during sheet feeding and a replacement indicator layer adjacent the wear layer. The replacement indicator layer is adapted to indicate a wear condition of the multi-layer structure upon wear through the wear layer to the replacement indicator layer.
-
Citations
25 Claims
-
1. A sheet feed mechanism, comprising:
a multi-layer structure, comprising;
a wear layer adapted to contact a sheet during sheet feeding; and
a replacement indicator layer adjacent the wear layer and adapted to indicate a wear condition of the multi-layer structure upon wear through the wear layer to the replacement indicator layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
9. A sheet-fed system, comprising:
a sheet feeder mechanism, having at least one separation apparatus comprising a plurality of layers adapted to indicate a wear condition upon wear through one layer to another of the plurality of layers. - View Dependent Claims (10, 11, 12, 13, 14, 15)
-
16. A method, comprising:
providing a multi-layer sheet separator comprising a plurality of layers indicative of a wear condition upon wear through one layer to another of the plurality of layers. - View Dependent Claims (17, 18, 19, 20, 21, 22)
-
23. A sheet feed system, comprising:
-
means for feeding at least one sheet; and
means for multi-layer indication of a wear condition of the means for feeding. - View Dependent Claims (24, 25)
-
Specification