Abstract: In a loom of which the backrest (3) and/or the warp stop motion (17) are adjustably supported on the machine frame (22) and are adjustable by associated adjusting equipment with at least one adjusting function, at least the backrest (3) and/or the warp stop motion (17) are automatically adjusted. To achieve this, at least one controllable driven adjusting device (30) connected to the loom control is allocated to the adjusting equipment. The existing actual position of the backrest and/or of the warp stop motion is determined. At least the measured values characteristic of the actual position are compared to prescribed nominal or desired values. From this comparison, an adjusting signal is generated, which is then provided to the adjusting device, which then automatically moves the backrest (3) and/or the warp stop motion (17) automatically into the respective desired position.

Abstract: The contact clamp having a plurality of slots for the contact bars comprises a cover designed as circuit board. It includes at its inner side a plurality of conductors which respectively connect a metallic disk located at the other end of the conductor which pin belongs to a multiple contact plug located on the top of the casing. Two metallic disks located laterally adjacent are allocated to one contact bar including two conductor bars and elastically supported contact pins urged against the conductor bars contact mentioned disks. The separate electrical circuit for every contact bar formed by respective two conductors allows a connection of every contact bar to an individual indicating device.

Abstract: A warp stop motion mechanism for a loom includes droppers adapted to fall under their own weight upon warp yarn breakage, and contact bars for receiving the droppers. The contact bars are held between a pair of upper and lower contact bar supports slidably installed on side frames and a warp yarn breakage detecting circuit is disposed between the upper and lower contact bar supports and adapted to be closed by the natural fall of the droppers.

Abstract: An apparatus for determining the location of a warp thread break in weaving looms using drop wires, including detection devices 6 to identify warp thread breaks, movable drop wire locators 7 to determine the warp thread break locations, switching devices 8 arranged to actuate the drop wire locators 7, causing the drop wire locators to move until a fallen drop wire is encountered, and indicators on the drop wire locators to indicate the position of the drop wire locator along the warp threads.

Abstract: A contact bar assembly for the warp stop motion of a loom includes an inner bar (1) having a beam-shaped part (2) of insulating material at the upper edge of which a groove (5) is provided for the reception of a metallic serrated bar (6), and the entire inner bar can longitudinally reciprocate in an outer bar (8) of a U-shaped cross section. The outer bar (8) has longitudinally spaced slots (12) each for the reception of a guide piece (12) of synthetic material which can easily be inserted and removed, each guide piece having a longitudinal slot (13) with a larger configuration (14) at its lower section. The beam-shaped part (2) of synthetic material has a lower section of T-shaped cross-section (4) and (10) which engages with slot (13) and its larger configuration (14) for holding and guiding the inner bar (1) in such a manner that a vertical separation of the inner bar from the outer bar is prevented, although the inner bar is capable of longitudinal reciprocation in the outer bar (8).

Abstract: In a weaving machine having a warp stop motion feature which includes upper and lower vertically aligned supports for supporting contact bars and guide bars, the lower support being cantilevered to a longitudinal beam, the warp ends extending parallel to the upper supports and through eyelets provided in drop wires resting on the warp ends which are carried by an upper surface of the beam. The beam comprises a hollow body having a wear resistant element mounted along an upper side thereof, the element being replaceable and being of a material harder than the beam itself.

Abstract: A warp stop motion apparatus includes individual disengageable coupling and control elements which have fork-like ends that are capable of surrounding the lateral sides of drive pins extending outwardly from the opposite sides of the end portions of the respective inner movable serrated bars which slidingly extend into a housing part that is oscillated back and forth by an individual electrical motor. Oscillation of the housing part causes the inner serrated bars to oscillate in their longitudinal direction with respect to outer stationary serrated bars in which they are positioned.

Abstract: The connecting part for electrical warp stop motions on weaving machines has two rectangular housing shells (2,3) pressed against each other at their open sides by means of a threaded pin (10) screwed into the first housing shell (2). The screw-head of the threaded pin is in the shape of a knob (11) and presses against the second housing shell (3). In the longitudinal sides (4,6) of both housing shells (2,3) are supporting slots (9) at equal distances to take up the contact bars. On the interior base (12,15) of each housing shell (2,3) is a strip (13,16) of elastic material and on each strip a contact foil (14,17) for conducting electricity to all the contact bars, the narrow edges of which have perfect contact with the contact foils, even at varying height resulting from deviations in manufacture, due to the elastic material under them.

Abstract: The holding device is provided with a shaped body for raising and lowering the plate-shaped element located within the fixedly mounted support. The shaped body may be in the form of a wedge shaped body or in the form of an eccentric. Suitable means are provided for holding the wedge shaped body in place. Raising and lowering of the plate-shaped elements allows the electrical contact elements to be raised and lowered to adapt to the operating conditions of the weaving machine.