Cutting – Rotatable disc tool pair or tool and carrier – Tool pair comprises rotatable tools
Patent
1991-11-15
1993-05-18
Yost, Frank T.
Cutting
Rotatable disc tool pair or tool and carrier
Tool pair comprises rotatable tools
29239, 294264, 295643, 83 51, 83443, 83507, 83943, B23P 1904
Patent
active
052110940
ABSTRACT:
A base mount supports a secondary mount in surface facing relation and a pair of these mount assemblies are positioned in spaced relation to receive a pallet stringer between them. The mounts support circular cutter discs which are disposed in axially aligned pairs and also in laterally aligned pairs whereby to be capable of severing nails on opposite edges of a stringer in a single pass of a stringer through the space between the laterally spaced mounts. The base mounts support the secondary mounts and are capable of being retrofitted to existing machines. The base and secondary mounts are secured by cross plates that have a cutting edge to form a backup cutter for the cutter discs. The secondary mounts are hingedly supported on the base mounts by a cross hinge at the rear of the mounts and a spring and limit assembly is provided between the mounts to allow adjustment of the mounts for different dimensioned stringers. The cutter discs are supported on the mounts by bearings that provide lateral adjustment of the cutter discs. The bearings are compact in their structure and compactly positioned in the mounts for ruggedness and long life.
REFERENCES:
patent: 2970622 (1961-02-01), Lundell
patent: 3786706 (1974-01-01), Hyatt et al.
patent: 3869780 (1975-03-01), Ginnow et al.
patent: 4320570 (1982-03-01), Williams
patent: 4346506 (1982-08-01), Martindale
patent: 4586235 (1986-05-01), Benvenuto
patent: 4750255 (1988-06-01), Hufnagel
patent: 4945626 (1990-08-01), Dystra et al.
Eckelman Eugene M.
Peterson Kenneth E.
Yost Frank T.
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