Thread brake mechanism for a spindle assembly of a thread proces

Details Thread brake mechanism for a spindle assembly of a thread proces Thread brake mechanism for a spindle assembly of a thread proces

1987-02-06

1987-12-08

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Threading up

57 5883, 57 5886, 242147A, 242149, 242150R, D01H 786, D01H 1310, D01H 1500, B65H 5926

Patent

active

047110813

ABSTRACT:
A thread brake mechanism is provided which is adapted to be attached to a spindle assembly of a thread processing machine and which is characterized by a construction for use with two independent individual threads which may be fed into the spindle assembly at varying tensions and which applies respective braking forces to the individual threads depending upon the respective feeding tension thereof. The thread brake mechanism includes a tubular housing defining a thread entry aperture on the upper end thereof aligned with the longitudinal central axis thereof, a brake ring member positioned inside the housing and aligned with the central axis and axially spaced from the thread entry aperture and defining an inside inclined braking surface extending downwardly and inwardly in an axially-symmetrical manner, and a disc-shaped brake body member movably positioned inside the brake housing and supported by the brake ring member on the braking surface thereof for axial and radial movement and having a convexly curved outside edge braking surface for cooperating with the braking surface of the brake ring member for receiving the two threads therebetween and applying respective braking forces thereto.

REFERENCES:
patent: 2492778 (1949-12-01), Agresti et al.
patent: 2571109 (1951-10-01), Carter et al.
patent: 2736511 (1956-02-01), Roberts
patent: 3892371 (1975-07-01), Zollinger
patent: 4281508 (1981-08-01), Frentzel-Beyme
patent: 4287712 (1981-09-01), Franzen
patent: 4297834 (1981-11-01), Franzen
patent: 4338774 (1982-07-01), Welters
patent: 4574576 (1986-03-01), Nakahara et al.

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