Sewing – Special machines – Embroidering
Patent
1979-11-30
1981-05-19
Feldbaum, Ronald
Sewing
Special machines
Embroidering
D05C 1500
Patent
active
042677840
ABSTRACT:
An improved tufting machine for forming loop or cut pile tufts in a backing material from at least one continuous strand of yarn. The machine includes a hollow, channel-like needle reciprocally inserted through a backing material followed by a plunger which pushes a length of yarn through the opening provided by the needle. A cutting blade may be slidingly supported between the needle and plunger and reciprocated outwardly to cut the formed loop. The machine may be adjusted to leave the formed loops uncut or to change the height of the loop or cut pile tufts. The needle, plunger and cutting blade are separately reciprocated by rotating cranks. Yarn holding mechanisms are provided on both sides of the needle to insure that the loops or cut pile are formed to a precise, even height across the backing. One of the yarn holding mechanisms, preferably on the trailing side of the needle, is operated by a camming apparatus independently of the needle, plunger and cutting blade so that the yarn will be held during a predetermined, precisely controlled, portion of the loop forming and cutting operation. The machine also includes improved yarn control mechanisms, machine support handle, cutting blade holding and reciprocating mechanisms, and lubrication means.
REFERENCES:
patent: 2057920 (1936-10-01), Rose
patent: 2078258 (1937-04-01), Lundgren
patent: 3142276 (1964-07-01), Schauer
patent: 3430590 (1969-03-01), Looper
patent: 3645219 (1972-02-01), Jenkins
patent: 3867888 (1975-02-01), Morissette
patent: 3968758 (1976-07-01), Scholz
patent: 4132182 (1979-01-01), Heemstra
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