Woodworking – Rotary cutter – Having slotted bit seat
Patent
1977-03-30
1978-04-04
Schran, Donald R.
Woodworking
Rotary cutter
Having slotted bit seat
144240, 407 47, B27G 1304, B23C 520
Patent
active
040821285
ABSTRACT:
A planing apparatus comprises a knife replaceably mounted in a carrier and having two parallel major faces and two parallel minor faces inclined with respect to the major faces whereby the cross section of the knife forms a parallelogram, each of the minor faces forming a knife edge at their intersection with the major faces. A knife support supports the knife in the carrier and includes a first transverse ledge holding the knife in place and a second transverse ledge spaced from the knife. The second ledge has a thickness in slight excess of the thickness of the knife.
REFERENCES:
patent: 2598933 (1952-06-01), Nevin
patent: 3989077 (1976-11-01), Humbert
Barke Gisela
Barke Heinrich
Kelman Kurt
Schran Donald R.
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