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Class Information
Number: 226/76
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Rotating sprocket (e.g., pin-wheel)
Description: Device provided with a member rotatable about an axis perpendicular to longitudinal* travel of the material, and said member provided with a prong(s) extending radially from said axis and, if a plurality of prongs is provided, spaced circumferentially around said member.

Sub-classes under this class:

Class Number Class Name Patents
226/78 Circumferentially opposite pins engage looped material 7
226/77 For concatenated material 5
226/86 With additional means to support material 18
226/79 With laterally adjustable sprocket(s) 25
226/80 With means to disengage material from prong(s) 6
226/82 With means to retain material on prong(s) 19

Patents under this class:
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Patent Number Title Of Patent Date Issued
8489220 Variable tape feeder Jul. 16, 2013
8157142 Feed amount data setting system for tape feeder, tape feeder, mounter Apr. 17, 2012
8006373 Tape feeder for chip mounter Aug. 30, 2011
7930819 Component supply unit and surface mounter Apr. 26, 2011
7896209 Filament drive mechanism for use in extrusion-based digital manufacturing systems Mar. 1, 2011
7299540 Electronic-component feeding device Nov. 27, 2007
7219823 Electronic component feeding device and electronic component counting apparatus having the same May. 22, 2007
7216790 Component feeding apparatus May. 15, 2007
6645602 Method for making embossed packages and other articles from sheet materials, blanks made thereby, and sheet materials for use therewith Nov. 11, 2003
6270265 Film-engaging sprocket drive Aug. 7, 2001
6256862 Coil advance drive for an apparatus applying plate coils to wooden frames Jul. 10, 2001
6082603 Electric-component tape feeding apparatus and electric-component supplying method Jul. 4, 2000
5479223 Film conversion sprocket Dec. 26, 1995
5395028 Apparatus for transporting thin metal sheets longitudinally with transverse tension Mar. 7, 1995
5244137 Film transport device with sprocket teeth and film pressure skid Sep. 14, 1993
5188270 Sheet conveyor having retractable pins held in a wheel for openings in a sheet Feb. 23, 1993
5107903 Guide block arrangement for a weft gripper tape Apr. 28, 1992
5067664 Photosensitive sheet positioning device Nov. 26, 1991
5045145 Means for supplying a label strip Sep. 3, 1991
5042706 Web with pairs of holes in addition to standard feed holes Aug. 27, 1991
5017943 Thermal transfer type color printer May. 21, 1991
4979837 Paper tractor Dec. 25, 1990
4895287 Web loading and feeding system Jan. 23, 1990
4867363 Web loading and feeding system Sep. 19, 1989
4865478 Retractable pin sheet feed mechanism Sep. 12, 1989
4840319 Bag tie dispenser Jun. 20, 1989
4838468 Reel for registry of a material web provided with crease lines Jun. 13, 1989
4836430 Paper feed apparatus Jun. 6, 1989
4834276 Web loading and feeding system, related web construction and method and apparatus for making web May. 30, 1989
4815878 Printing apparatus and a paper controlling method for a printer wherein paper slack is cancelled Mar. 28, 1989
4790467 Web feed mechanism and door with static protrusions Dec. 13, 1988
4758107 Web feed tractor for printer Jul. 19, 1988
4738386 Electronic component transporting apparatus employing taping cassettes Apr. 19, 1988
4670976 Cassette magazine for a component mounting machine Jun. 9, 1987
4637537 Paper feeder for a printer Jan. 20, 1987
4625902 Method and arrangement for the feeding of a material web Dec. 2, 1986
4621756 Web feeding mechanism Nov. 11, 1986
4619388 Automatic paper sheet supplying apparatus Oct. 28, 1986
4593293 X, Y plotter Jun. 3, 1986
4571104 Retractable pin sprocket wheel assembly Feb. 18, 1986
H17 Computer forms web copying apparatus Feb. 4, 1986
4549680 Precise intermittent feeding apparatus for edgewise perforated carrier sheet material Oct. 29, 1985
4520673 Inspection device, especially for steam generator tubes Jun. 4, 1985
4520684 Tape drive closure operator Jun. 4, 1985
4501510 Apparatus for feeding sheets of material and continuous webs in printers and typewriters Feb. 26, 1985
4500023 Paper feeding apparatus for printers Feb. 19, 1985
4488671 Labeler Dec. 18, 1984
4421262 Paper tractor Dec. 20, 1983
4412637 Bidirectional document feed tractor unit Nov. 1, 1983
4394949 Pin wheel feed mechanism Jul. 26, 1983

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