Cutting instrumentalities for tufting machines

Details Cutting instrumentalities for tufting machines Cutting instrumentalities for tufting machines

1978-08-16

1980-01-29

Feldbaum, Ronald

Sewing

Special machines

Buttonhole

D05C 1500

Patent

active

041855680

ABSTRACT:
A cutting instrumentality for tufting machines having a multiplicity of knife bar modules arranged in end-to-end disposition to form a knife bar of a length coextensive with the intended operating width of the tufting machine. Each module has a multiplicity of spaced apart parallel holes each for receiving a knife block mounting spigot. Each knife block supports a plurality of knives in parallel side-by-side disposition on each side of a central web. The knives are secured within the block by capping pieces slidable on pins within an aperature in the block and engageable with an edge of selected knives. Each capping piece acts on a pair of knives, one on each side of the web. A member threaded into the block operates on each capping piece to secure the knives in position.

REFERENCES:
patent: 3277852 (1966-10-01), Card
patent: 3604379 (1971-09-01), Cobble
patent: 3735715 (1973-05-01), Passon et al.
patent: 3757709 (1973-09-01), Cobble
patent: 3788245 (1974-01-01), Bonner
patent: 4009669 (1977-03-01), Wear
patent: 4061095 (1977-12-01), Price
patent: 4067270 (1978-01-01), Short
patent: 4069776 (1978-01-01), Cobble

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