Cutlery – Cutting tools – Saw
Patent
1987-10-20
1989-03-07
Watts, Douglas D.
Cutlery
Cutting tools
Saw
30122, 125 13R, B23D 4516
Patent
active
048094382
ABSTRACT:
An engine cutter wherein elongated box-like portions each having a trapezoidal cross-sectional shape, which are extended longitudinally at both upper and lower sides of an arm protruding forwardly of a main body, are formed symmetrically with each other with respect to the longitudinal center axis of the arm, and a thickness at the central portion of the arm connecting the box-like portions is determined to be smaller than the width of the base portion of the box-like portions, while the belt is extended within the space of the box-like portions.
REFERENCES:
patent: 3513888 (1970-05-01), Townsend et al.
patent: 3583106 (1971-06-01), Dibbertin
patent: 3735489 (1973-05-01), Zatorsky, Jr.
patent: 3893240 (1975-07-01), Morner et al.
Nagashima Akira
Sasaki Fujio
Kioritz & Corporation
Watts Douglas D.
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