Process and apparatus for automatically forming a yarn reserve o

Details Process and apparatus for automatically forming a yarn reserve o Process and apparatus for automatically forming a yarn reserve o

1975-07-09

1977-05-10

Gilbreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5434

Patent

active

040223892

ABSTRACT:
Apparatus for automatically forming a yarn reserve on a wind-up bobbin of a yarn treatment machine, is described in which a slot disc at one end of the bobbin pinches and tears off the yarn prior to causing the yarn to engage a first stationary catching thread guide through which the yarn passes while being wound to form the yarn reserve. However, as the usual reciprocating thread-guide approaches the end of the bobbin, a movable thread-guide element fixed thereto transfers the yarn to a second stationary catching thread-guide. Then, on reversal, the movable-thread-guide element releases the yarn, the second catching thread-guide being positioned so that the yarn then enters the reciprocating thread guide to enable the yarn to be wound up to fill the bobbin in the wind-up range thereof. To prevent the operator from damaging his fingers when inserting the yarn in the slot disc or when removing a full bobbin, the second catching thread-guide, on which the first catching thread-guide is fixed, may be pivotally mounted and held against an abutment by a spring. This catching thread-guide may then either be arranged to yield when touched or alternatively arranged so as to be manually brought to its operating position against spring reaction.

REFERENCES:
patent: 3345003 (1967-10-01), Mattingly et al.
patent: 3730447 (1973-05-01), Franzen et al.
patent: 3899140 (1975-08-01), Gleyze

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