Knife block for tufting machines

Details Knife block for tufting machines Knife block for tufting machines

1980-01-11

1981-09-15

Feldbaum, Ronald

Sewing

Special machines

Buttonhole

D05C 1500

Patent

active

042890829

ABSTRACT:
A knife block for mounting two knives in a staggered knife tufting machine and another knife block for mounting two knives in an aligned knife tufting machine have a pair of flanges connected together by a central web. A knife receiving channel is formed on each side of the web, each channel including a pair of aligned facing grooves in the flanges. A pair of circular bores extend transversely through one of the flanges and opens into the grooves in that flange. A cylindrical clamping member of slightly smaller diameter than the bores is positioned in each bore and forced by a screw threaded into the flange toward the other flange. The screw is received within a radial recess in the clamping member which is larger in diameter than the screw to allow for manufacturing tolerances so that the clamping member can clamp a knife in each channel. In the staggered knife block the clamping member has two different diameters.

REFERENCES:
patent: 3277852 (1966-10-01), Card
patent: 3386398 (1968-06-01), Cobble et al.
patent: 3788245 (1974-01-01), Bonner
patent: 4061095 (1977-12-01), Price
patent: 4069776 (1976-01-01), Cobble
patent: 4175497 (1979-11-01), Lund
patent: 4193360 (1980-03-01), Lund

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