Thread retainer

Details Thread retainer Thread retainer

1980-08-13

1982-11-09

Christian, Leonard D.

Winding, tensioning, or guiding

Support for a strand material holder

For bobbins

57352, 2421521, B65H 4902

Patent

active

043580688

ABSTRACT:
The thread retainer has a tube which is slotted from the side to form an access opening for a thread and a gate member in the form of a ball which is movably mounted in the tube. The ball cooperates with a second ball to define a thread passage with curvilinear walls. The movable ball may move under gravity or may be spring biased to permit entry of the thread into the thread passage.

REFERENCES:
patent: 110725 (1871-01-01), Barstow
patent: 1360018 (1920-11-01), Rasmussen
patent: 1785987 (1930-12-01), Stewart
patent: 2263278 (1941-11-01), Senna
patent: 3304026 (1967-02-01), Bucklow et al.

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