Handsaw with specialized cutting teeth

Details Handsaw with specialized cutting teeth Handsaw with specialized cutting teeth

1978-06-15

1979-12-25

Spruill, Robert L.

Bridges

76112, B27B 2100

Patent

active

041801105

ABSTRACT:
A handsaw has a main blade and an auxiliary cutting blade with specialized fingers. The cutting blade is held tautly between two points disposed on opposite ends of the main blade. Interlocking teeth prevent the two blades from springing apart without interfering with the tautness of the cutting blade. The vertical projection of the cross section of the two blades is the same as the vertical projection of one blade alone, so that the two combined saw blades easily follow their own kerf.

REFERENCES:
patent: 2546947 (1951-03-01), Miller
patent: 2727545 (1955-12-01), Dawson
patent: 4043367 (1977-08-01), Knuth

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