Abstract: A micro device feeder is provided which is adjustable to accommodate micro devices supplied on tapes with different widths. A mounting plate has a movable drive plate slidably mounted thereto. An input mechanism on the movable drive plate receives micro devices contained in a tape and advances the tape under motor drive. A feeder width adjustment mechanism is interposed between the mounting plate and the movable drive plate for positioning of the movable drive plate relative to the mounting plate for accommodating tapes with different widths.

Abstract: A micro device feeder is provided which is adjustable to accommodate micro devices supplied on tapes with different widths. A mounting plate has a movable drive plate slidably mounted thereto. An input mechanism on the movable drive plate receives micro devices contained in a tape and advances the tape under motor drive. A feeder width adjustment mechanism is interposed between the mounting plate and the movable drive plate for positioning of the movable drive plate relative to the mounting plate for accommodating tapes with different widths.

Abstract: A micro device feeder is provided which is adjustable to accommodate micro devices supplied on tapes with different widths. A mounting plate has a movable drive plate slidably mounted thereto. An input mechanism on the movable drive plate receives micro devices contained in a tape. A sprocket engages and advances the tape under motor drive. A feeder width adjustment mechanism allows for movement of the movable drive plate relative to the mounting plate for adjusting the sprocket to accommodate tapes with different widths where the distance between the tape and sprocket centerlines change. The feeder width adjustment mechanism includes a pin coupled to the mounting plate, a securing device coupled to the movable drive plate and is capable of moving along the pin, and a locking mechanism capable of securing the securing device to the pin to lock the movable drive plate relative to the mounting plate.

Abstract: 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 the tractor body. A locking member, in a first position, allows the tractor body to be adjusted for paper size while holding a movable member. In a second position, the locking member holds the tractor body in place, and frees the movable member to move relative to the tractor body, so that the movable member, supporting the tractor pulleys and belt, may resiliently move to compensate for changes in paper width during printing.

Abstract: A convertible sprocket for film and like media accommodates different media formats. The sprocket includes a first sprocket wheel support and a first sprocket wheel having a first dimension and supported by the sprocket wheel support. A second sprocket wheel support is co-axial with the first sprocket wheel support. A second sprocket wheel having a second dimension different from the first dimension is supported by the second sprocket wheel support. The second sprocket wheel is axially movable relative to the first sprocket wheel support so that the first sprocket wheel engages the medium when the second sprocket wheel is in a first position relative to the first sprocket support. The second sprocket wheel engages the medium when the second sprocket wheel is in a second position relative to the first sprocket support. The convertible sprocket has a plurality of axially spaced apart sprocket wheel wherein at least two of the sprocket wheels have different diameters.

Abstract: The present invention provides a pin-feed apparatus suitable for use in a recording system, including pin-wheels adapted to operatively engage perforations on a sheet to be carried through the recording system, at least one of the pin-wheels being adjustably movable away from and toward the other pin-wheel in the direction of sheet width by resilient engagement of openings with spring pieces, at least one of the openings having such a size that it provides a play when that opening is engaged by the corresponding spring piece.

Abstract: A printer for printing characters through a printing ribbon on printing paper placed on a platen by moving a carriage along the platen and driving a printing head on the carriage. The platen is placed in the rear end portion of the printer frame. An opening for insertion of printing paper is formed in the rear end surface of the frame to which the platen is approximated. A continuous paper feeder having a pair of sprocket wheel feed guide blocks and at least one web guide block is installed at this opening. All blocks include a paper guide surface which overlies a paper guide adjacent the platen.

Abstract: A printer for printing characters through a printing ribbon on printing paper placed on a platen by moving a carriage along the platen and driving a printing head on the carriage. The platen is placed in the rear end portion of the printer frame. An opening for insertion of printing paper is formed in the rear end surface of the frame to which the platen is approximated. A feeder for feeding continuous printing paper is provided for connection to this opening. The feeder includes a pair of laterally adjustable feed guide blocks each having a sprocket wheel. These blocks are essentially hollow and have interior reinforcing plates and an open bottom.

Abstract: A document feed device provided with a pin tractor assembly which includes a pin tractor member supporting a number of feed pins and rotated by a feed shaft, and a body member nonrotatably mounted on the tractor member. Elastically deformable projecting bar with a slit protrudes from the body member. A stationary frame member is formed with a slot extending in the axial direction of the feed shaft. An eyelet portion is formed at each end of the slot. The projecting bar elastically engages the slot, thereby preventing the body member from rotating. As the projecting bar slides within the slot, the pin tractor assembly can move along the feed shaft so that its position is adjusted according to the width of a perforated sheet of material. The assembly may be located in either of two positions, depending on the width of the sheet, as the projecting bar alternatively engages the eyelet portions of the slot. The position of the assembly is shifted by manually operating a knob formed on the body member.

Abstract: A paper tractor feeds print paper along the outer peripheral surface of a platen with sprocket pins fitted in feed holes in the print paper. The paper tractor device which includes ring pin tractors each composed of a wheel having the sprocket pins on its outer periphery and a gear integral with the wheel. The ring pin tractors are slidable over the outer peripheral surface of the platen in intimate contact therewith. The ring pin tractors are rotated through the gears thereof in the same direction at the same speed as the platen. The paper tractor can feed print paper of various widths.

Abstract: There is disclosed a hand-held labeler with a thermographic print head for printing on labels releasably secured to a carrier web, a delaminator for delaminating printed labels, an applicator for applying printed labels, a web feeding mechanism including an electric motor for advancing the carrier web, a detachable handle containing a source of electrical energy, and circuitry including a plurality of printed circuit boards electrically connecting the electrical energy source, the keyboard and the print head.There is also disclosed a process of making a feed wheel for the labeler which includes molding a hub having external axial grooves, molding feed rings having external tooth and internal projections which are cooperable with the grooves in the hub in only one rotational position, and sliding the rings onto the hub.

Abstract: There is disclosed a hand-held labeler with a thermographic print head for printing on labels releasably secured to a carrier web, a delaminator for delaminating printed labels, an applicator for applying printed labels, a web feeding mechanism including an electric motor for advancing the carrier web, a detachable handle containing a source of electrical energy, and circuitry including a plurality of printed circuit boards electrically connecting the electrical energy source, the keyboard and the print head.

Abstract: A paper tractor for feeding paper of different widths in printers and the like comprises a rotationally driven shaft having mounted thereon a sprocket wheel which engages in perforations in a length of paper to effect lengthwise feeding of the paper in response to rotation of the sprocket wheel. The sprocket wheel is mounted on the drive shaft to undergo rotational movement therewith and is mounted on the drive shaft to undergo axial sliding movement therealong to enable axial positioning of the sprocket wheel to accommodate paper of different widths. The drive shaft has a polygonal cross-section, and the sprocket wheel has a center tubular sleeve formed of plastic and configured to be slideably inserted over the drive shaft so that rotational movement of the drive shaft is transmitted to the sprocket wheel.

Abstract: A device for mounting a paper tractor assembly between the side frames of a computer printer which allows the entire paper tractor assembly to be "popped out" by the application of finger pressure alone, and which eliminates the cost of rounding the ends of the square drive rod of the paper tractor assembly. The mounting device consists of mounting brackets to secure the rods of the paper tractor assembly, bushings to engage the ends of the square drive rod and adapt them to fit into the mounting brackets, and springs or other resilient means to allow the paper tractor assembly to be "popped out.

Abstract: An improved paper feed roller assembly for the paper feed mechanism of a printer is provided with an adjustable arrangement so that a plurality of different widths of perforated edge paper may be accommodated thereby. The arrangement includes a rotatable member having a plurality of indentations which cooperate with stops to select an axial position for the feed pins mounted on the roller, corresponding to the selected indentation.

Abstract: A locking system for directly clamping the tractor assemblies in a printer to the stationary platen in order to prevent any relative motion of the tractors with respect to the platen which may be caused by a lack of straightness of a drive bar which drives the tractors. The locking device includes an L-shaped lever which is pivotal so as to clamp a rearwardly extending portion of the platen between the bottom of the tractor and the top of a leg of the lever. The device may include a cam action locking knob which positively locks the lever in its clamped position. Both the lever and the knob are made of molded plastic. In order to balance the clamping force which is applied, a lever may be connected to each side of the tractor and actuated by a pair of connected cam action knobs. Several alternate locking systems are also disclosed.

Abstract: A web drive mechanism to advance the print medium of a line or serial printer apparatus including a first stationary guide track for guiding the print medium along a defined path intermediate a medium supply position and a printing position, a platen about the printing position for receiving the medium, at least one rotor drive member having a rotor positioned adjacent to the guide track along the defined path intermediate the supply position and the platen with the outer peripheral surface of the rotor being adjacent to at least a portion of the arcuate path of the guide track to permit the print medium to travel intermediate the guide track and the rotor, the rotor drive member including a first medium gate for urging the print medium in engagement with the peripheral surface of the rotor as the medium advances intermediate the supply position and the platen, and a second medium gate for holding the print medium as it advances intermediate the platen and a medium take-up position, and a drive means engaging

Abstract: A recording carrier transport and feed unit is disclosed which includes attached together transport and feed assemblies for moving a side margin punched recording carrier web to, and withdrawing it from, the intermediate carrier of an electrostatic printer or copier. The transport assembly includes spaced parallel drive belts, each trained about at least three spaced wheel means, one of which is rotatably driven. One span of the belts presents the recording carrier to the feed device while another span withdraws the recording carrier from the feed device. The feed device presents the recording carrier to the intermediate carrier and directs it away from the intermediate carrier. The entire unit is pivotable towards and away from the intermediate carrier.

Abstract: Paper feed mechanism of a printer is disclosed for exactly transmitting rotative force of a drive shaft which interlocks a drive mechanism to a sprocket wheel which is provided for feeding a printing paper without play, and for locating and detaining the sprocket wheel at a desired position by an easy operation.The above-said mechanism comprises a disc which is fixed to the sprocket wheel, a detaining knob which has a shaft hole for inserting the drive shaft and fitted rotatably to the disc via a pair of snap shafts, a C-shaped spring, one end of which is fixed to the disc, the other end to the detaining knob, for turning each of them conversely.

Abstract: The elements of a drive assembly for punched paper tape are arranged in a fixed relation on a shaft (42) to which the paper feed wheel (70) is attached. The assembly includes a drive mechanism (25 or 27) for selectively imparting equal increments of rotational motion to the shaft, first and second ball bearing assemblies (65, 75), spacers (74, 68, 69) and a nut (76). The shaft assembly is slidable within holes in the frame sideplates (71, 73) and within curved surfaces of projections (66, 67) of the paper guide body (28).

Abstract: A graphic recorder convertible for use with multiple width strip chart paper. A rotatable main drum carries sets of sprocket teeth for transporting strip charts along an information transfer head. At least one set of sprocket teeth is formed by separable sprocket sections which are detachably mounted about a recess in the drum for use with a strip chart of one width. Filler inserts are mounted in the recess in place of the separable sprockets for use with a chart of another width. Means is provided for positioning the separable sprocket teeth in precise angular agreement with the other sets of sprocket teeth. Compensator means is provided for ensuring angular agreement of the teeth on one sprocket section with the teeth on the other section.

Abstract: A paper transport device utilizing pins for indexing with paper having perforated margins. Pin carrying rings are eccentrically mounted at the ends of a platen and project radially through circumferentially spaced slots in platen end portions with the pins projecting beyond the platen surface for only a portion of the platen's circumference.

Abstract: A xerographic copying apparatus adapted for copying either individual or fanfold originals. For the latter, a removable fanfold handler and feeder is provided with controls to permit positioning and advance of the fanfold sheets to be correlated with the copying apparatus operation.

Abstract: A film drive for a motion-picture camera or projector has a film drive wheel which is rotatable about a first axis and has a plurality of angularly equi-spaced and radially extending teeth. A function cam rotatable about a second axis spaced from and perpendicular to the film axis has a generally helical peripheral formation which engages with the teeth of the wheel. This helical formation includes an intermittent-drive section having a holding portion constituting almost a complete turn of the formation of zero degree pitch and a switching portion at each end of the holding portion of predetermined pitch greater than zero degrees, and a constant-drive section of constant pitch greater than zero degrees and axially offset from the intermittent-drive section.