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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:
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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