Nipper unit for a combing machine

Details Nipper unit for a combing machine Nipper unit for a combing machine

1992-06-01

1993-03-30

Crowder, Clifford D.

Textiles: fiber preparation

Working

Combing

19235, D01G 1916

Patent

active

051971631

ABSTRACT:
The nipper unit comprises a lower nipper as well as a an upper nipper and an auxiliary nipper, the latter two each being movable with respect to the lower nipper between a closed position and an open position. The auxiliary nipper is spring-loaded against its closed position. If the upper nipper is in its opened position, the auxiliary nipper is in its closed position and is used to tightly clamp a lap on a lower nipper plate while a previously combed fiber tuft is detached therefrom. When the upper nipper moves to its closed position, stop elements arranged on the upper nipper come into contact with stop surfaces arranged on the auxiliary nipper and open the auxiliary nipper so that the lap on the lower nipper plate can be advanced. The timing of the opening of the auxiliary nipper is determined by the position of the stop elements on the upper nipper. Before the opening, the clamping force exerted by the auxiliary nipper is constant and does not depend on the time of the opening of the auxiliary nipper and on the opening width of the upper nipper.

REFERENCES:
patent: 1605135 (1926-11-01), Nasmith
patent: 4947521 (1990-08-01), Joerg et al.
patent: 4951360 (1990-08-01), Kishi et al.

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