Abstract:
A mechanism for an ADF having upper and lower trays, a base connecting the trays, and a cover pivotally connected to the upper tray includes a housing provided within the base and movable relative thereto. A transmission has a gripping position for transporting paper along a path from the upper tray to the lower tray and a release position allowing a paper jam along the path to be remedied. The cover is pivotable between a first condition maintaining the transmission in the gripping position and a second condition allowing the housing to move relative to the trays to place the transmission in the release position.
Abstract:
A flexible lance drive device is disclosed that has, in a compact housing, a drive motor between an inner and an outer wall, a linear array of pairs of driven upper and lower drive rollers outside the outer wall coupled to the drive motor via shafts extending through both of the inner and outer walls. Each driven roller is fastened to its shaft via a quick release device. A drive sprocket is fastened to each shaft outside the inner wall. The drive motor is coupled to each of the drive sprockets via a serpentine belt carried outside the inner wall. The lower driven rollers are rotatably carried by the inner and outer walls. The upper driven rollers are rotatably carried by a block positioned between the inner and outer walls and coupled to the lower driven rollers by a pair of parallel links releasably biased by a piston driven linkage.
Abstract:
An apparatus (10) for varying the speed of printed products (12) is provided. The apparatus (10) includes a nip roll (14) rotatable about a nip roll axis (d) and an eccentric assembly (50) external of the nip roll (14) coupled to the nip roll (14) coincident with the nip roll axis (d). The eccentric assembly (50) is adapted to eccentrically move the nip roll (14). A method of varying the speed of a printed product in a printing press is also provided.
Abstract:
Zum Querschneiden von Papier- oder Kartonbahnen (1) sind Vorrichtungen bekannt, die eine Querschneideeinrichtung (3) mit zwei Messertrommeln (8, 9) enthalten, die mit Quermessern bestückt sind. Hinter der Querschneideeinrichtung (3) ist eine Bogentransporteinrichtung (4) angeordnet, die eine Bremseinrichtung mit einer Bremsrolle (19) enthält. Um bei empfindlichen Papier- oder Kartonsorten Markierungen auf den Bögen zu vermeiden, besteht die Bremsrolle (1) nach der Erfindung aus einem zylindrischen Grundkörper (20), auf den mit umfänglichen Abstand voneinander radial abstehende Lamellen (22) aus einem elastischen Material befestigt sind, die in einer zylindrischen, zum Grundkörper (20) koaxialen Hüllfläche enden.
Abstract:
A paper feeding device (10) comprises a storage surface (14) for a stack of papers (12) and being adapted to be move vertically between a first, lower end position and a second, upper end position, and a feeding roll (16) for feeding papers from their position on the storage surface (14) and imparting an uppermost sheet of paper (12a) a horizontal displacement. A first mounting device (20) comprises a first vertically movable, preferably pivotable housing (22) adapted to mount or suspend a first end of the feeding roll (16), and a second mounting device (40) comprises a second vertically movable, preferably pivotable housing (42) adapted to mount or suspend a second end of the feeding roll (16) opposite to the first end of the feeding roll. By providing the first and second housings pivotable independently of each other and an intermediate axle (26), the feeding roll adapts to a non-uniform stack of papers, improving the reliability of the feeding.
Abstract:
A sheet feeding roller (101) which feeds a sheet S stacked on a sheet supporting plate (110) capable of being lifted and lowered is swingably supported at a swing end of a sheet feeding roller supporting arm (104) which is arranged swingablyin an up-and-down direction and a roller biasing member (103) applies a force to the sheet feeding roller supporting arm (104) in a direction that the sheet feeding roller (101) is pressed to sheets S stacked on a sheet stack tray (61). A swing fulcrum (104a) is arranged in arange between a tangential line of the sheet feeding roller (101) at the upstreammost pressing position against the sheet feeding direction and a tangential line of the sheet feeding roller (101) at the downstreammost pressing position out of pressing positions where the sheet feeding roller (101) is pressed to the sheets as being varied inaccordance with a sheet stacking state of the sheets.
Abstract:
A label peeling device includes a sticker label roll (1), a label peeling system (2), a guide roller (8), a base support plate (9), and a label presence/absence check sensor (7). The label peeling system (2) receives a signal from a label sensor (6), which sends the trigger signal to a pneumatic cylinder (3) connected with a lever (4). The label roll path is supported by two guide rollers (8) on one side, and the base support plate (9) is provided on the other side thereof. The label presence/absence check sensor (7) is disposed behind the label peeling system (2). Hence, it is easy to detect and peel the rejected label from the label roll path during online operation.
Abstract:
Sheet deceleration apparatus and methods for decelerating a sheet of material for use in a sheet stacking or other application. The deceleration apparatus includes a rotatable cam nip (35), rotatable about a first axis (40) and provided on one side of the travel path, such that the sheet of material can pass by the cam nip. The cam nip includes a lobe end (38), such that when the lobe end is away from the travel path, the sheet of material can pass substantially unimpeded past the cam nip, and when the lobe end is near the travel path, the sheet of material is nipped by the cam nip decelerating the sheet of material from the first speed to a second speed.
Abstract:
In an example, a lift mechanism may include a linkage to engage with a pick arm, a crank switchably disposed in a first position and a second position, and a swingarm to move the crank from the first position to the second position. The linkage may move the pick arm from a raised position to a lowered position when the crank moves from the first position to the second position.