Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1980-07-28
1982-04-27
Hinson, Harrison L.
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
407 64, 407 90, B23B 2900, B26D 112
Patent
active
043264379
ABSTRACT:
A cutting tool assembly including a tool holder for supporting a cutting tool having a tool body and a plurality of substantially identical cutting edges extending radially from the tool body and being substantially equally circumferentially spaced thereabout. The cutting tool is pivotally mounted on the tool holder about a first pivot axis for pivotal indexing movement of the tool body relative to the tool holder to successively dispose a selected cutting edge in a predetermined cutting position relative to the tool holder. The assembly further includes a latch pivotally mounted about a second pivot axis spaced from the first pivot axis on the tool holder and having a latched position operatively engageable with the tool body to hold the selected cutting edge in a predetermined cutting position and an unlatched position permitting pivotal indexable movement of the cutting tool to dispose another of the cutting edges in the predetermined cutting position. A spring operatively interconnects the tool holder with the latch to continuously urge the latter toward the latched position thereof while permitting movement of the latch to the unlatched position thereof while indexing the cutting tool.
REFERENCES:
patent: 632678 (1899-09-01), Dock
patent: 652643 (1900-06-01), Rivett
patent: 897625 (1908-09-01), Keel
patent: 1227486 (1917-05-01), Newman et al.
patent: 1299712 (1919-04-01), Halstead
patent: 1342746 (1920-06-01), Halstead
patent: 1740604 (1929-12-01), Kienzl
patent: 3182534 (1965-05-01), Hoffmann
patent: 3288005 (1966-11-01), Tringale et al.
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