Abstract: A device for selecting the shift of a rocker arm of a reed operating mechanism in a terry loom includes two push rods that are hinged to the rocker arm and to two terry height adjustment levers. Each lever has a shoulder tooth cooperating with a corresponding coupling pin slidable within a guide in the control lever, urged into an active position against the action of a spring by a corresponding selection lever carrying an armature for a corresponding fixed electromagnet. The selection lever cooperates with a ledge on the control lever by way of a spring tending to withdraw the armature from the electromagnet.
Type:
Grant
Filed:
January 30, 1992
Date of Patent:
April 6, 1993
Assignee:
Nyuovopignone Industrie Meccaniche E Fonderia S.p.A.
Abstract: To operate the terry loom, one or more pile-forming elements is actuated by separate drives on an individual pick basis and in a freely triggerable manner and at a loom speed. Any desired terry cadence can be produced in any desired sequence without stopping the loom and changing mechanical control and actuating means. Pile height can also be varied as required. The terry loom has at least one servomotor as a separate drive. The servomotor, which is triggered by means of a control and adjustment circuit arrangement, drives the pile-forming element by way of a reduction transmission and transmission elements. The servomotor can be preferably brushless and electronically commutated and have a low mass inertia rotor and high-field strength permanent magnets.
Type:
Grant
Filed:
July 10, 1989
Date of Patent:
October 22, 1991
Assignee:
Sulzer Brothers Limited
Inventors:
Peter Spiller, Theo Thalmann, Rudolf Vogel
Abstract: Device for changing the reed beating position in looms for terry fabrics, in which the feet of the followers rigid with the reed are respectively connected by connecting rods to corresponding cams keyed on a shaft rotatably supported by the machine sley in proximity to the rotational axle of said sley.A gear is keyed on to said shaft and engages with a toothed sector supported by a member idly mounted on said rotational axle of the sley and is hinged to the lower end thereof by two arms hinged together, their common joint being inserted and guided in an aperture in the form of a circular arc formed in a vertical rocker arm hinged to a fixed part of the loom at the lower end of its aperture, and kept resting on a fixed shoulder of the loom by a spring, in which position said aperture constitutes an arc of a circle having its center on said rotational axle of the sley.
Abstract: In a loom for Turkish towelling, a device is disclosed for varying the beating-up position of the reed, said device essentially comprising a set of feelers mounted on the hinged loom reed and which are constantly in contact with a set of forked profiles mounted on the loom frame, the forked profiles being adjustable as to their positions by specially provided control members. The control members essentially consist of a set of eccentrics keyed onto a single shaft which is driven by a control cam. This arrangement reduces the parts having a reciprocal motion to a minimum and prevents bumps and consequent breakage occurences.