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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:

Class Number Class Name Patents
226/84 Roller retainer 4

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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