Woodworking – Process – Mechanical cutting or shaping
Reexamination Certificate
1999-10-21
2001-06-12
Bray, W. Donald (Department: 3725)
Woodworking
Process
Mechanical cutting or shaping
C144S193100, C144S329000, C269S130000, C248S172000, C248S310000
Reexamination Certificate
active
06244313
ABSTRACT:
This invention relates to a method and devices for splitting wood and in particular for splitting relatively short pieces of wood into smaller pieces.
Traditionally, wood burned in domestic households, for example wood used in fireplaces, has been split using a suitable base, like a short length of log stood on end, and an axe. As an axe is a fairly dangerous tool in unaccustomed hands, other splitting devices have been developed, such as so-called wedge-axes, the principle of which involves a bar-like construction, splits the wood when an impact bar is propelled linearly. This decisively reduces the risk of accidents.
It is obvious that, although a splitting device with an impact bar is very handy for splitting wood, there is a danger, especially when splitting small diameter wood, of the wood slipping to the side, particularly if the end of the wood has been sawn at an angle, or if the surface of the base slants. When splitting with either an axe or an impact-bar type device, the pieces of wood always have to be transferred to a pile or other place, an operation nearly always involving collection by hand.
This invention is intended to eliminate the drawbacks described above and even to utilize material that would otherwise go to waste. It is also intended to further improve safety and to create a device, which will eliminate the individual handling of the separate pieces of wood to be split. This avoids the problems due to pieces of wood not remaining in place.
These and other advantages and benefits of this invention are achieved by means of the method and devices with the characteristic features described in the accompanying claims. The primary intention is to permit wood to be split easily, safely and rapidly. A further intention is, in the best case, to create a method and device also permitting the easy and safe transfer of split wood from one place to another and possibly its bundling.
REFERENCES:
patent: 4326703 (1982-04-01), Marley
patent: 4505465 (1985-03-01), McCrary
patent: 4515195 (1985-05-01), Gladstein
patent: 4667714 (1987-05-01), Knutsen
patent: 4756351 (1988-07-01), Knutsen
patent: 383707 (1923-10-01), None
Bray W. Donald
Skinner and Associates
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