摘要:
Die für einen negativen oder positiven Schaftantrieb ausgebildete Schafttriebvorrichtung besitzt einen mit der Schaftmaschine (40) verbundenen Seilzug, sowie zwei Biegefedern (93, 103). Die Biegefedern sind von einfachster Konstruktion und können, obschon nicht breiter als die Breite des Schafts (30), beträchtliche Federkräfte für grosse Schaftbeschleunigungen aufbringen. Kompliziert aufgebaute Schafttriebglieder mit Federregistern, Umlenkhebeln etc. entfallen.
摘要:
La liaison entre chaque levier oscillant (11) solidaire du câble de manoeuvre (10) de la mécanique, et le registre de ressorts de rappel (1) qui lui correspond est opérée à l'aide d'un câble secondaire (12) qui s'enroule sur une partie (11 a ) du levier concentrique au pivot (7) de celui-ci, afin d'assurer audit registre un déplacement parfaitement linéaire, sans composante transversale.
摘要:
In a negative dobby for forming the warp shed in weaving looms, impacts and friction are reduced and consequently vibrations and noise -thereby improving the stability of the heald frames -by suitably shaping the rear end (14) of the hooks (7, 8), so as to facilitate the oscillation thereof only when they engage with the crooks (9, 10).
摘要:
The invention provides improvements in the members of a loom dobby reading unit, which enable the reading unit and control unit to be structurally separated. For this purpose, the reading unit rockers act on the control unit by simple bearing and thrust contact between a tappet provided on the rockers and the horizontal needles for the lifting rods of the control unit hooks. In addition, there are provided a very rigorous guide for the reading unit rocker movements, an improved mechanism for controlling the lowering movements of the rocker thrust rods, and an improved mechanism for controlling the pressure bars, said mechanism both using precise cam controls.
摘要:
The invention provides improvements in the members of a loom dobby reading unit, which enable the reading unit and control unit to be structurally separated. For this purpose, the reading unit rockers act on the control unit by simple bearing and thrust contact between a tappet provided on the rockers and the horizontal needles for the lifting rods of the control unit hooks. In addition, there are provided a very rigorous guide for the reading unit rocker movements, an improved mechanism for controlling the lowering movements of the rocker thrust rods, and an improved mechanism for controlling the pressure bars, said mechanism both using precise cam controls.
摘要:
Frame-driving unit for weaving looms equipped with a programming unit, said triving unit being of the type wherein a kinematic chain is provided, between said programming unit (3) and a frame (4), which kinematic chain at least consists of a rocking arm (5) subject to said programming unit; a flexible connection (8) between this arm and a second lever (6) which is mounted to a fixed part (1) of the loom; a rod (10) between said second lever (6) and a frame (4); and of a spring means (11) making contact with said second lever, characterized thereby that the geometry of the various points of rotation and connection (7, 9, 12, 13, 14) of said chain has been chosen in such a way that every rotation of said rocking arm (5) occasioned by the programming unit results in a positive downward movement of the frame (4).