Textiles: spinning – twisting – and twining – Apparatus and processes – Stopping or starting
Patent
1987-10-09
1988-11-29
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Stopping or starting
28186, 57 81, 57 87, 66158, 139336, D01H 1316, D02H 1304, D03D 5118, D04B 3510
Patent
active
047871997
ABSTRACT:
A yarn monitoring device comprises in association with each doubling spindle (1) a sensing arm (7) monitoring the upwardly directed yarn run between yarn guide eye (3) and feed roller (V), which arm is mounted by means of a mounting bush (9) for limited swinging on a rocker shaft (6). The mounting bush (9) comprises a slot (12) extending in its circumferential direction, in which engages a stop pin (11) extending radial to the rocker shaft (6) and fixed relative thereto. In the slot (12) is a lining in the form of a substantially U-shaped clip (13) of spring steel, whose semi-circular connecting part (13b) lies at the end surface (12b) of the slot (12) directed away from the spindle and whose U-arms (13a) extend parallel to the side walls (12a) of the slot (12), abut thereagainst and are inwardly bent at their free ends (13c) so that they grip on to the stop pin (11) in the swung up position of the sensing arm (7).
REFERENCES:
patent: 2574957 (1951-11-01), Bochmann et al.
patent: 2584096 (1952-01-01), Thomas
patent: 3967471 (1976-07-01), Matsumoto et al.
patent: 4091604 (1978-05-01), Greive
patent: 4506498 (1985-03-01), Lamb
patent: 4676056 (1987-06-01), Nickolay et al.
Petrakes John
Saurer-Allma GmbH
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