Cutting – With means to convey work relative to tool station – Cut made parallel to direction of and during work movement
Patent
1978-07-14
1980-04-08
Schran, Donald R.
Cutting
With means to convey work relative to tool station
Cut made parallel to direction of and during work movement
83504, B23D 4510, B27B 534
Patent
active
041966490
ABSTRACT:
A circular saw is provided which comprises two blades, one blade being locked at a fixed point of the driving shaft, and the other being rigid, a bushing coupled to a sleeve rotating with said driving shaft. The bushing slides along the sleeve, under the action of a lead nut coupled to a screw or a worm driving shaft rotated by a geared motor. By appropriate rotation of the driving shaft it is possible to vary continuously the distance between the two blades.
REFERENCES:
patent: Re3101 (1868-08-01), Hayes et al.
patent: 328771 (1885-10-01), Garland et al.
patent: 461747 (1891-10-01), Fisher
patent: 700203 (1902-05-01), Johnson
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