Woodworking – Splitting machine – Wedge
Patent
1998-01-14
1999-07-13
Bray, W. Donald
Woodworking
Splitting machine
Wedge
1441931, 144366, 173 94, B27L 700
Patent
active
059213000
ABSTRACT:
A power log splitter includes a base (28) and a wedge (12) and a ram (34) mounted on the base for receiving a log (31) lengthwise between them. A motor (16) turns a cam means (26) to deliver a series of short, quick blows onto one of the wedge (12) and ram (34), to generate strokes by which the wedge (12) splits the log (31). Preferably, there are more than two strokes per second; each stroke preferably has a duration of not more than about 0.05 second and the length of each stroke is preferably not more than 5 percent of the log length capacity L.sub.m, typically not more than 0.75 inch. The device includes a worm shaft (36) and transmission box (38) to urge together wedge (12) and ram (34) in a motion that is independent of the strokes produced by the rotating cam means (26).
REFERENCES:
patent: 899328 (1908-09-01), Saecker
patent: 946705 (1910-01-01), Power
patent: 1231525 (1917-06-01), Hauberg
patent: 4491164 (1985-01-01), Waikas et al.
patent: 4625782 (1986-12-01), Jameson
patent: 4751949 (1988-06-01), Berner
patent: 4802518 (1989-02-01), Knight
patent: 5002134 (1991-03-01), Yamada
patent: 5488997 (1996-02-01), Yamada
Bray W. Donald
Spaeth Frederick A.
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