Chain saw wood cutting apparatus

Claim 1

A chain saw wood cutting apparatus comprising: a chain saw mounting assembly, said assembly consisting of a vertical member and a horizontal member, said vertical member being attached ridgidly at its lower end to one end of the horizontal member, the horizontal member's long axis substantially perpendicular to the vertical member's long axis, the resulting assembly resembling a backward "L" shape; the means to clamp the chain saw securely to the chain saw mounting assembly, the chain saw resting along the assembly's horizontal member, the chain saw's cutting bar projecting out past the junction of vertical member and the horizontal member, the long axis of the chain saw's cutting bar being roughly perpendicular to the long axis of the assembly's vertical member; an upper link arm and a lower link arm, both link arms each having pivot attachment holes at both ends, both link arms having equal distances between said pivot attachment holes; two pivot attachment holes, located in the upper part of the vertical member of the chain saw mounting assembly, used for attaching the upper link arm and the lower link arm to the chain saw mounting assembly, said pivotally attached link arms extending out and away from the chian saw in roughly the same direction as the chain saw's cutting bar; a vertical beam assembly containing two separate pivot attachment holes, located in it's upper end; said pivot attachment holes being the same distance apart as the similiar attachment holes located in the vertical member of the chain saw mounting assembly; said pivot attachment holes, in the vertical beam assembly, used for pivotally attaching the upper and lower link arms to the vertical beam assembly, said link arms being attached at their other ends to the chain saw mounting assembly; a leg assembly, which supports the vertical beam assembly, and also contains the means to support the log in the proper relationship to the chain saw; whereby the exact geometric relationship between the chain saw mounting assembly, the upper and lower link arms, and the vertical beam assembly causes the chain saw to move through a controlled and infinately repeatable path, and that the motion that the saw travels through is translational relative to any horizontal plane as the saw is raised and lowered for the purpose of cutting through the log supported beneath.