Cutting – By tool reciprocable along elongated edge – Plural reciprocable tools
Patent
1989-04-24
1991-02-19
Phan, Hien H.
Cutting
By tool reciprocable along elongated edge
Plural reciprocable tools
83780, 83783, 83602, B27B 310
Patent
active
049932993
ABSTRACT:
A vertical gang saw produces an ovoidal sawing curve when the frame has at each corner attached feet that are engaged in slide bars which themselves are attached by an extremity to the body of the machine. The lower and upper slide bars undergo a synchronized swing movement that is transmitted by small drive rods. The lower drive rods are driven by an eccentric gear moved vertically. The upper drive rods are driven by an oscillating pinion with a double cam.
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patent: 2864413 (1958-12-01), Arneman et al.
patent: 3921489 (1975-11-01), Johansson
patent: 4287800 (1981-09-01), Persson
patent: 4498450 (1985-02-01), Klein
Brach Kurt
Decroly Jean-Claude O. P.
Favart Vincent J. M. G.
Haag Werner
Hallez Charles P.
General Electric Company
Loser Gary L.
Phan Hien H.
Smith Scott A.
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