HEAVY-DUTY AXE Russian patent published in 1994 - IPC

Abstract RU 2024389 C1

FIELD: chopping of firewood. SUBSTANCE: axe comprises butt head with hole for handle, and blade with cutting edge. Relation of cutting edge length to total height of blade and butt head is 0.6-0.7 for an axe weighing 1.6-1.7 kg. The sharpening angle of cutting edge is 25-30 deg in case of chopping and dazing of wooden blanks. For firewood chopping the sharpening angle is 35-40 deg. EFFECT: improved design. 4 dwg, 1 tbl

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RU 2 024 389 C1

Authors

Mutin Savil' Ismagilovich

Dates

1994-12-15—Published

1991-04-30—Filed