Broaching tool

Details Broaching tool Broaching tool

1975-01-22

1976-03-30

Vlachos, Leonidas

Metal working

Upholstered article making

Tufting

29 96, B26D 104, B26D 100, B26D 112

Patent

active

039464725

ABSTRACT:
A broaching tool is described having an elongated tool body with a plurality of spaced ribs disposed generally transverse to the longitudinal body axis. Each such rib defines a substantially circular arc of at least 45.degree.. A plurality of cylindrical cutter discs are mounted along each rib, each disc being positioned with its longitudinal axis disposed within 1.degree.-15.degree. of coincidence with the longitudinal axis of the body. Each disc has an end face providing a cutting edge disposed about the periphery of the end face. The discs along each arcuate row are circumferentially staggered with respect to the discs of the next adjacent rib with each disc projecting beyond the outer face of the rib and being rotatably indexable about its axis to bring successive cutting portions into cutting positions.

REFERENCES:
patent: 2645003 (1953-07-01), Thompson et al.
patent: 3262183 (1966-07-01), Raehrs
patent: 3371397 (1968-03-01), Coleshill et al.
patent: 3540103 (1970-11-01), Saari
patent: 3707748 (1973-01-01), Price et al.
patent: R28239 (1974-11-01), Dupuis

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