Class 226/75 - With means to effect supplementary pin movement

Subclass of Class 226 - Advancing material of indeterminate length
Definition: Device provided with means to impart motion to the prong
No. of patents: 31
Last issue date: 09/12/2006

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Number	Title	Issue Date
7104712	Roll sheet holder and tape printer A tape printer includes a holder support member at one side end in a roll sheet holder storage part in a direction substantially perpendicular to a feeding direction. In the holder support member, a mounting piece which is substantially rectangular in section and fo...	09/12/2006
7066368	Paper web draw-in device for a web-fed printing press At least one paper web is drawn into a web-fed rotary printing press. A draw-in device is provided with permanently fixed pointed bars or spikes. These can be moved or oriented so that they penetrate the paper web only during drawing in of the web into the printing ...	06/27/2006
5779378	Continuous form printer A printer includes a tractor unit for feeding continuous form paper, encoders driven in synchronization with a tractor belt, and detecting sensors for detecting rotation of the encoders to generate feed pulses at a standard interval. The printer further i...	07/14/1998
5718527	Paper delivery system A paper delivery system having a printing unit with an upstream tractor and a downstream tractor disposed on an upstream side and a downstream side, respectively, of the paper delivery unit in the direction of paper delivery, a coupler coupling the upstre...	02/17/1998
5516220	Continuous form printer having adjustable tractors A continuous form printer includes a tractor feed system that adapts to changes in paper width while printing. A tractor body is movable on a shaft, and a movable housing supporting tractor pulleys and a tractor belt is resiliently movable with respect to...	05/14/1996
5456399	Tractor mechanism compensating for paper taper A tractor and a continuous paper feed mechanism using the same which can more accurately convey continuous paper in a forward or reverse paper conveying direction by compensating for an increase or decrease in the width (taper) of the continuous paper due...	10/10/1995
5349841	Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger A feeding apparatus for a metal belting has a basic plate being capable of supporting the metal belting, which has a plurality of through-holes in a feeding direction. The basic plate has slit formed in the feeding direction and a plurality of traveling p...	09/27/1994
5350100	Paper feed device for the transfer station of a printing device with latent character image generation A paper feed device for feeding continuous stationery (12), provided with lateral perforations, into the transport elements (44) of a transfer station (17) of a non-mechanical printing device, in which paper feed device the transfer station (17) has in th...	09/27/1994
5170921	Adjustable feeder having two-part camming finger A two piece feed member providing a less costly replacement and the ability to adjust the feed member's length. The two piece configuration only requires that the wearing portion be replaced, and not the entire feed member. This allows for a significant c...	12/15/1992
5139190	Document feed tractor with height adjustable web support surface A document feed tractor in which pins which drive the paper upon entry into perforations in margins of the paper along the edges thereof are connected to a belt on beams cantilever mounted thereto. A guide and support bar holds the beams and the pins down...	08/18/1992
5019872	Continuous-form electrophotographic printer A preferred embodiment of this continuous-form electrophotographic printer as illustrated in the drawings having an image transfer device 38 positioned at the image transfer station for placing images on individual sheets 14 of a continuous-form 12. Downs...	05/28/1991
4974979	Twintractor The twintractor is a device designed to be incorporated into a wide carriage personal computer printer, or supplied as an accessory to such a printer or a typewriter, giving it the capability of transporting and printing upon, in the alternative, one of t...	12/04/1990
4951859	Anti-flutter tractor door A tractor feed mechanism for feeding print forms comprises a continuous flexible pin belt wrapped around a pair of drive pulleys rotatably supported by a tractor body. Pins projecting from the flexible belt engage the forms via perforation in the forms. A...	08/28/1990
4874121	Web feed tractor belt assembly A web feed tractor mechanism 10 is illustrated in the drawings for moving a web material in a longitudinal direction in which the web material has perforations along edge sections 16 and 18 for enabling precision movement of the web particularly for use i...	10/17/1989
4601421	Feeding means for feeding a material web in a packaging machine A feeding means for feeding a material web in a packaging machine comprises feeding chains, sprocket wheels and an engagement element for feeding the feeding chains. In order to facilitate the insertion and clamping of the material web the engagement memb...	07/22/1986
4550623	Motorized cable mechanism for positioning tractors in a printer A cable drive system is provided in which a fixedly mounted reversible motor imparts translational motion to a plurality of pairs of elements such as the right and left pairs of paper moving tractors in a high-speed printer. By means of a continuous cable...	11/05/1985
4546908	Horizontal paper form positioner and adjusting mechanism A device for horizontally positioning and maintaining the horizontal tension on paper forms as they are transported through a printer. The device employs a single control knob to make all position adjustments to the paper tractors which grip the computer ...	10/15/1985
4485914	Variable drive pin projection mechanism for a belt sprocket drive wheel A miniature variable drive pin projection mechanism is disclosed for driving a conveyer belt to transport semiconductor chips from a test point to a sequence of sorting locations. The drive wheel is mounted to an indexing shaft which is sequentially rotat...	12/04/1984
4469263	Paper feed tractor with compensating drive pulley A tractor for a web feeding assembly has a chassis providing a pair of apertures extending therethrough and a belt extending thereabout. A drive pulley mounted in one of the chassis apertures is engaged with the driven surface of the belt and has an apert...	09/04/1984
4428519	Device for tensioning a data carrier which is moved by feed tractors A device for tensioning a data carrier which is moved by feed tractors, such as a paper sheet moving past a printing station in a non-mechanical printer or copier in which the feed tractors consist of a toothed belt entrained about pairs of wheels, the te...	01/31/1984
4422566	Arrangement for guiding print webs on cylinders of rotary printing machines An arrangement for guiding and holding a print web moving between cylinders of a rotary printing machine has an element for preventing slippage of the web between the cylinders, located in a passage of one of the cylinders and extending at least to the ou...	12/27/1983
4397411	Feeding chain for feeding a packaging material web in a packaging machine The packaging machine for producing packages from a packaging material web has a feeding chain for feeding the web. The endless feeding chain is mounted on spaced sprocket wheels and has chain links provided with improved clamping members for clamping the...	08/09/1983
4345708	Document feed mechanism A bi-directional feed mechanism for webs, especially for plotting and generating special characters, forms and shapes on the webs, uses twin pairs of tractors which feed a web around a loop which may contain a platen roller. Each pair of tractors is mount...	08/24/1982
4159794	Sheet feed tractor A drive tractor of the type usually mounted in pairs at opposite edges of a web of edge-perforated sheet material such as printout paper has an endless drive belt mounted on a chassis. The chassis is movably mounted on a base member locked to a support ba...	07/03/1979
4130230	Sheet feed tractor A drive tractor of the type usually mounted in pairs at opposite edges of a web of edge-perforated sheet material such as printout paper has an endless drive belt mounted on a chassis. The drive belt has pin members projecting from it to engage edge perfo...	12/19/1978
4129239	Clamping devices for document tractors In order to clamp a document metering tractor to a support shaft which together with a drive shaft provide a mounting for the tractor and without causing interference, such as binding, with the drive imparted by the drive shaft, a device is provided for c...	12/12/1978
4079876	Computer forms feeder A document feeder capable of handling continuous length document materials such as computer fanfold, the feeder having spaced belts with angled projections thereon adapted to engage perforations in the document material to cause the document material to r...	03/21/1978
4010882	Sprocket drive and stripper arrangement for computer form feeder apparatus A sprocket drive device for a computer form feeder for transporting a computer printout web having predeterminedly spaced apertures along the edges thereof along the upper and lower surfaces and about a free end of a copyboard overlying the copy platen of...	03/08/1977
3982677	Device for locking a movable form feed A form feed device having at least one form feed mounted in a frame so that it can be moved transversely to the feed direction on a slide shaft which itself can be turned between at least an open and a locking position....	09/28/1976
3976235	Stop feed mechanism Stop feed mechanism for feeding continuous stock having uniformly spaced abutments thereon in which a resiliently biased dog is moved rearwardly over an abutment and then is moved forwardly in a feeding stroke in which it engages the abutment. Means are p...	08/24/1976
3938721	Pin belt mechanism for movement of a continuous strip Pin belt mechanism for movement of a continuous strip or web which has pin feed holes. The belt is annular and the pins are attached thereto along the length thereof, between the side edges thereof. The pins are easily and readily inserted into the belt a...	02/17/1976

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Class 226/75 - With means to effect supplementary pin movement