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US 4,856,193 AGranted
Saw
OwnerRonald A. Grachaninventor
Life of this patent
Estimating the term…
Abstract
A novel saw is disclosed having novel dimensions and tooth pattern for the saw to cut efficiently through bone and wood. The saw includes a plurality of teeth disposed upon the cutting edge of the saw blades. The teeth are set with a bevel of about 3.degree. to 15.degree. and with two steps of about 1/4 to 1/8 inch and with a spacing of tip-to-tip between continguous teeth of about 1/8 to 3/8 inch. The blade is selected of material having dimension and hardness for the blade to yield to bend in a generally semicircular bend.
Claims8
A saw adapted for a plurality of uses including sawing wood and bone, comprising:
- a planar blade having a cutting edge;
- a handle secured to said blade;
- a plurality of saw teeth disposed on said cutting edge in a predetermined pattern with each of said teeth extending from a base to a tip, said tips of said teeth set from side walls of said blade by a predetermined amount, said teeth having a depth measured from a base to tip of about 1/4 to about 3/8 inch and a spacing of tip-to-tip between contiguous teeth of about 1/8 to 3/8 inch;
- said saw including teeth alternately set away from opposite sides of said blade with teeth curving from said blade to said tips and with blade tips provided with a slope
- said teeth are provided with said slope set at a bevel of 3.degree. to 15.degree..
2 more elements
Dependencies are inferred from the claim text.