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US 6,295,738 B1Granted
Chain saw measuring device
OwnerJoel V. Rischinventor
Life of this patent
Estimating the term…
Abstract
Chain saws and similar wood cutting equipment are equipped with a measuring device that permits accurate cutting of multiple pieces of equal length. The device is a non-expanding beam of focused light directed away from the saw at an angle relative to the cutting portion of the saw, and its use is achieved by positioning the saw at a location at which the light beam intersects the end of the length to be cut, the angle of the light beam determining the length.
Claims13
A saw for cutting logs to preselected lengths, comprising:
- power-driven cutting means operable for cutting a log in a cutting plane;
- support means to which said cutting means are mounted;
- and
- a light source secured to said support means, for emitting a substantially non-expanding light beam at a preselected angle relative to said cutting means.
1 more element
A measuring device for mounting to a chain saw to cut logs to preselected lengths, said device comprising:
- a light source adapted to emit a substantially non-expanding light beam;
- and
- means for affixing said light source to a chain saw such that said light beam is emitted at a preselected angle relative thereto.
Dependencies are inferred from the claim text.