Sewing – Special machines – Pattern controlled or programmed
Patent
1995-12-21
1997-10-21
Nerbun, Peter
Sewing
Special machines
Pattern controlled or programmed
112 27, 11247015, D05B 700, D05B 1916, D05B 2700
Patent
active
056785011
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a linking machine having a conveyor for transporting socks.
2. Description of the Prior Art
From Italian patent application 67 725 - A/90 a flat linking machine is known which has a conveyor for transporting socks that is composed of two rails which are arranged below a horizontal supporting bracket that is mounted on a vertical wall of the linking machine. In order to be able to adjust the distance between the two rails to a specific type of sock, one of the two rails--the inner rail, which is located closer to the wall--is stationary, while the outer rail can be displaced in a horizontal direction.
In one embodiment of this linking machine, the outer rail is supported by two end projections of an elongated member which has an upside down U-shape and is received in a seat which is worked into a supporting bracket and is larger in a horizontal direction than the elongated member. Springs, which are arranged spaced from and parallel to each other and extend at right angles to the front wall of the supporting bracket, press against the elongated member. A threaded hole is provided in the front wall, into which a bolt of a rotary knob is screwed which can be actuated from outside the front wall. Between the front wall and the rotary knob there is a check knob, the purpose of which is to stabilize the set position.
The supporting bracket on which the two rails are mounted has, in the vicinity of the vertical wall, a hole, into which a bolt engages. The bolt is firmly attached to the supporting bracket by a clamp screw. The two ends of the bolt are guided in coaxial holes, provided in sections of the vertical wall. A coil spring which is placed over the bolt presses the bracket, and with it the bolt, upward against a threaded pin of a rotary knob. The pin is screwed into a threaded hole which is provided in a horizontal rib of the vertical wall and lies above the part of the bracket which is opposite the front wall. By actuating the rotary knob, the vertical position of the supporting bracket, and with it both of the two rails, can be adjusted. In order to exclude unavoidable play, a clamping lever is provided, which has a horizontal bolt which extends through the vertical wall and is screwed into a threaded hole in the side of the supporting bracket facing the vertical wall. A flange, having a diameter greater than the passage opening in the vertical wall through which the threaded pin of the clamping lever is passed is firmly attached to the clamping lever. In this way, the supporting bracket can be pulled against the vertical wall after the height of the bracket has been adjusted, whereby any rotation around the axis of the bolt connected to the supporting bracket is avoided.
The construction described has proven very reliable and easily adjustable in practice. To be sure, for the initial setting and, in particular, for setting the width of the opening between the two rails the use of a thickness gauge is necessary in order to check the setting. This operation cannot be carried out by the operator of the linking machine but must be carried out by a setter. The setter must set the width of the opening of the guide slot when there is a change of the type in sock which is to be linked. Furthermore, for the adjustment of the height of the supporting bracket two parts must be actuated, namely the rotary knob and the clamping lever, so that this work is cumbersome to carry out and must be finally checked.
SUMMARY OF THE INVENTION
The object of the present invention is therefore to provide a linking machine which does not have the indicated disadvantages and in which not only the setting of the width of the opening between the two rails and the setting of the height of the bracket bearing them but also the setting of the height of the edge trimmer relative to the chain guide conveyors which transport the socks to the sewing heads can be effected very rapidly and accurately by the operator of the linking machine himself, witho
REFERENCES:
patent: 4359956 (1982-11-01), Sakonishi
patent: 4718365 (1988-01-01), Hauser et al.
patent: 5109785 (1992-05-01), Inoue et al.
Nerbun Peter
Rosso Industrie S.p.A.
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