Cutting – By endless band or chain knife – With tool in-feed
Patent
1978-07-28
1981-01-20
Schran, Donald R.
Cutting
By endless band or chain knife
With tool in-feed
83799, 83800, 83708, 83 36, 83795, B27B 1702, B27B 100
Patent
active
042455359
ABSTRACT:
A portable sawmill includes a log supporting mechanism for holding a substantially horizontal log. A chain saw with a substantially horizontal effective cutting edge at least as long as the log is supported at only one end by a saw mounting assembly with the cutting edge generally parallel to the axis of the log. The saw mounting assembly is adapted for lateral movement relative to the log, as well as upward and downward movement, so that the saw can be positioned beneath a portion of the log and moved upwardly through the log to cut wood slabs. The saw is pivoted to the saw mounting assembly so that the angle between the effective cutting edge and the axis of the log can be adjusted to produce elongated wood fibers during cutting. A pivoting mechanism is provided for rotating the log between cuts so that slabs tapered from one side to the other can be cut. The saw mounting assembly is also adapted for pivoting about a vertical axis to move the cutting edge out of a vertical plane parallel to the previous cut so that longitudinally tapered slabs can be sawn.
REFERENCES:
patent: 824009 (1906-06-01), Gray et al.
patent: 2669261 (1954-02-01), Bowers et al.
patent: 2702057 (1955-02-01), Miller
patent: 3695316 (1972-10-01), Pluckhahn
patent: 3747455 (1973-07-01), Hartzell et al.
Lockwood Larry D.
Lockwood Lawrence D.
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