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Class Information
Number: 226/75
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Pins on flexible belt or chain > With means to effect supplementary pin movement
Description: Device provided with means to impart motion to the prong additional to its material-advancing movement.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7104712 |
Roll sheet holder and tape printer |
Sep. 12, 2006 |
| 7066368 |
Paper web draw-in device for a web-fed printing press |
Jun. 27, 2006 |
| 5779378 |
Continuous form printer |
Jul. 14, 1998 |
| 5718527 |
Paper delivery system |
Feb. 17, 1998 |
| 5516220 |
Continuous form printer having adjustable tractors |
May. 14, 1996 |
| 5456399 |
Tractor mechanism compensating for paper taper |
Oct. 10, 1995 |
| 5350100 |
Paper feed device for the transfer station of a printing device with latent character image generation |
Sep. 27, 1994 |
| 5349841 |
Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger |
Sep. 27, 1994 |
| 5170921 |
Adjustable feeder having two-part camming finger |
Dec. 15, 1992 |
| 5139190 |
Document feed tractor with height adjustable web support surface |
Aug. 18, 1992 |
| 5019872 |
Continuous-form electrophotographic printer |
May. 28, 1991 |
| 4974979 |
Twintractor |
Dec. 4, 1990 |
| 4951859 |
Anti-flutter tractor door |
Aug. 28, 1990 |
| 4874121 |
Web feed tractor belt assembly |
Oct. 17, 1989 |
| 4601421 |
Feeding means for feeding a material web in a packaging machine |
Jul. 22, 1986 |
| 4550623 |
Motorized cable mechanism for positioning tractors in a printer |
Nov. 5, 1985 |
| 4546908 |
Horizontal paper form positioner and adjusting mechanism |
Oct. 15, 1985 |
| 4485914 |
Variable drive pin projection mechanism for a belt sprocket drive wheel |
Dec. 4, 1984 |
| 4469263 |
Paper feed tractor with compensating drive pulley |
Sep. 4, 1984 |
| 4428519 |
Device for tensioning a data carrier which is moved by feed tractors |
Jan. 31, 1984 |
| 4422566 |
Arrangement for guiding print webs on cylinders of rotary printing machines |
Dec. 27, 1983 |
| 4397411 |
Feeding chain for feeding a packaging material web in a packaging machine |
Aug. 9, 1983 |
| 4345708 |
Document feed mechanism |
Aug. 24, 1982 |
| 4159794 |
Sheet feed tractor |
Jul. 3, 1979 |
| 4130230 |
Sheet feed tractor |
Dec. 19, 1978 |
| 4129239 |
Clamping devices for document tractors |
Dec. 12, 1978 |
| 4079876 |
Computer forms feeder |
Mar. 21, 1978 |
| 4010882 |
Sprocket drive and stripper arrangement for computer form feeder apparatus |
Mar. 8, 1977 |
| 3982677 |
Device for locking a movable form feed |
Sep. 28, 1976 |
| 3976235 |
Stop feed mechanism |
Aug. 24, 1976 |
| 3938721 |
Pin belt mechanism for movement of a continuous strip |
Feb. 17, 1976 |
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