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Class Information
Number: 226/82
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)
Description: Device provided with means closely adjacent the prong(s) or adjacent the sprocket to ensure engagement of the material with said prong(s).

Sub-classes under this class:

Class Number Class Name Patents
226/83 Retainer and sprocket relatively displaceable 12
226/85 Roller retainer 5

Patents under this class:

Patent Number Title Of Patent Date Issued
5603579 Paper transfer apparatus and printer using the same Feb. 18, 1997
5395028 Apparatus for transporting thin metal sheets longitudinally with transverse tension Mar. 7, 1995
5320267 Web transport apparatus Jun. 14, 1994
5244137 Film transport device with sprocket teeth and film pressure skid Sep. 14, 1993
5110025 Paper feeder having a paper exhaustion detector May. 5, 1992
4990010 Paper feed tractor with fixed and pivotable pressure plates Feb. 5, 1991
4817842 Door and spring assembly for a paper feed mechanism Apr. 4, 1989
4693620 Variable width paper feeder for perforated and unperforated paper Sep. 15, 1987
4637537 Paper feeder for a printer Jan. 20, 1987
4619389 Paper tractor Oct. 28, 1986
4394949 Pin wheel feed mechanism Jul. 26, 1983
4390145 Magnetic tape handling apparatus Jun. 28, 1983
4337884 Single facer Jul. 6, 1982
4333592 Apparatus for handling deformable components supported in a matrix Jun. 8, 1982
4268068 Passive seatbelt system May. 19, 1981
4238160 Media guide Dec. 9, 1980
4174567 Apparatus for storing and supplying parallel lead electronic circuit elements Nov. 20, 1979
4076160 Paper and continuous-form feed system for a desk-top printing electronic calculating machine Feb. 28, 1978
3958873 Stationary sprocket guard assembly May. 25, 1976

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