Winding – tensioning – or guiding – Strand tensioning device – Clamp
Patent
1988-08-03
1990-02-20
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Clamp
B65H 5922
Patent
active
049019430
ABSTRACT:
Apparatus for dispensing at least one thread to the head of a recipient of a hair replacement unit for interweaving the thread with the recipient's natural hair comprising a housing including a front wall defining an opening and including a cavity for supporting a spool of thread and at least one thread-tensioning device including a bracket mounted within the cavity and against a wall of the housing defining a thread-accepting aperture, a pair of washers mounted adjacent the thread-accepting aperture each having a convex surface and arranged so that the convex surfaces face and engage one another so as to define an annular groove therebetween, and a spring for biasing the washers in engagement with one another so that thread routed from the thread spool can be routed through the thread-tensioning device so that the thread extends through the thread-accepting aperture in one direction, around the washers so as to extend through a section of the annular groove defined therebetween, and back through the thread-accepting aperture in the other direction and out of said front wall opening to provide tension on the thread dispensed to the recipient's head.
REFERENCES:
patent: 467103 (1892-01-01), Huse
patent: 493871 (1893-03-01), Merrow
patent: 1385189 (1921-07-01), Pigeon
patent: 1996964 (1935-04-01), Hutton
patent: 2232262 (1941-02-01), Parkinson
patent: 2681772 (1954-06-01), Charney
Bean Jr. Edwin T.
Gilreath Stanley N.
Linihan Martin G.
Thompson John C.
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