Weft cutting device for a loom

Details Weft cutting device for a loom Weft cutting device for a loom

1983-03-03

1985-03-19

Chi, James Kee

Textiles: weaving

Fabric manipulation

Selvage trimmers

83658, D03D 4970

Patent

active

045053049

ABSTRACT:
A weft cutting device designated generally as (A) is disclosed for cutting a waste tape from the selvage of fabric being woven on a shuttleless loom. The cutting device includes a base (10) which pivotably carries a pivoting mechanism (24) having a cantilevered arm (28) in engagement with a protective cover (30) of a reed (32). As the reed oscillates back and forth during beat-up of the fabric on the loom, the arm is reciprocated. A blade carrier assembly (34) is attached to the pivoting arm mechanism and includes a blade holding means (38) which holds a square cutting element (B). The cutting element is four-sided and includes four cutting edges (62). An identical cutting element (B') provides a complementary cutting surface (55) against which the blade element strikes during cutting. The blade elements (B) and (B') are interchangeable with each other such that eight cutting edges are provided. A trapezoidal cross-section insures that the cutting elements are secuted in various clamping grooves having a dovetail configuration.

REFERENCES:
patent: 3321145 (1967-05-01), Gorman
patent: 3461920 (1969-08-01), Sakamoto
patent: 3837252 (1974-09-01), Brassel
patent: 4387744 (1983-06-01), Newcomb

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