Woodworking – Bark rosser – Hand tool
Patent
1996-10-25
1997-12-23
Bray, W. Donald
Woodworking
Bark rosser
Hand tool
144341, B27C 900, B27L 100
Patent
active
056998430
ABSTRACT:
A barking machine comprises a container for accommodating logs longitudinally therein, this container having a longitudinal side wall with a lower end, and a bottom wall including a first longitudinal opening adjacent to the lower end of the first side wall, a second intermediate longitudinal opening, and a third longitudinal opening. First, second and third longitudinal drum members are rotatively mounted in the first, second and third longitudinal openings, respectively, to expose a top portion thereof inside the container. A plurality of outer barking teeth are distributed on the rotary drum members to contact the logs and thereby bark these logs. Finally, a drive system rotates the drum members in the same direction for moving the barking teeth of the top portion thereof toward the longitudinal side wall. The bottom wall and the rotary drum members form a wall and drum member assembly having a greater slope from the first to the second drum member and a smaller slope from the second to the third drum member.
REFERENCES:
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patent: 2125529 (1938-08-01), Ullgren
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patent: 3866639 (1975-02-01), Kantola et al.
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patent: 4582106 (1986-04-01), Huhta et al.
patent: 4685498 (1987-08-01), Nakajima et al.
patent: 4691750 (1987-09-01), Nakajima
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