| 摘要 |
An adjustable tool supporting device for use in log and timber construction having a U-shaped frame member; a microadjustment assembly mounted to the frame member and coactive therewith to secure a timber or log therebetween; and a chain saw mounting assembly attachable to said frame member for mounting a chain saw for cutting the timber or log secured thereby and locating the saw blade for straight and angular cuts through said timer or log.
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