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Class Information
Number: 226/83
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Rotating sprocket (e.g., pin-wheel) > With means to retain material on prong(s) > Retainer and sprocket relatively displaceable
Description: Device in which said means is movable out of adjacency with prong(s) or the sprocket (or vice versa) thereby to permit the material to be put into, or taken out of, engagement with the prong(s).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6450384 |
Continuous paper treating apparatus and tractor |
Sep. 17, 2002 |
| 5045145 |
Means for supplying a label strip |
Sep. 3, 1991 |
| 4936496 |
Sprocket-type strip feed mechanism |
Jun. 26, 1990 |
| 4844313 |
Feed device for long and narrow strips of continuous package |
Jul. 4, 1989 |
| 4822192 |
Document feed device with pin tractor assembly |
Apr. 18, 1989 |
| 4421262 |
Paper tractor |
Dec. 20, 1983 |
| 4239362 |
Camera film advancing apparatus |
Dec. 16, 1980 |
| 4033494 |
Stamp dispensing mechanism |
Jul. 5, 1977 |
| 3979036 |
Paper guide for tape perforators with an automatic pitch-adapted threading mechanism for the feed element zone |
Sep. 7, 1976 |
| 3960304 |
Device for holding down sheet material |
Jun. 1, 1976 |
| 3941290 |
Flexible chart feeding guide or chute |
Mar. 2, 1976 |
| 3934835 |
Chart carrier for recorder |
Jan. 27, 1976 |
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