Cutting – With work immobilizer – Means to clamp work
Patent
1981-09-23
1984-12-25
Schran, Donald R.
Cutting
With work immobilizer
Means to clamp work
83478, 83490, 83589, 83453, B23D 4704, B23D 4708
Patent
active
044896336
ABSTRACT:
A sawing device comprising a frame 1, a clamp provided with mutually displaceable jaw 18, at least one of which is provided with a screw sleeve 26 co-operating with a screw spindle 19, the length of the screw sleeve together with the thickness of the jaw is equal to or larger than the axial length of the screwthread on the spindle, a holder 3 adapted to pivot about a shaft 2 of the frame 1, a circular saw blade 4 rotatably journalled in said holder, the blade being at right angles to the shaft, and a cap 13 extending around the saw blade 4, said cap comprising a part 13 being stationary relative to the saw blade and at least one part 14 pivoted to the stationary part and connected with the frame by means of a leverage 16, and wherein in all positions of the holder 3 the tangential point 30 formed by an imaginary tangential line going through the shaft at the circumference of the saw blade is located between the medium perpendicular plane V--V of the clamping jaws 18 and the shaft.
REFERENCES:
patent: 1138927 (1915-05-01), Berry
patent: 1936047 (1933-11-01), Chryst
patent: 3626783 (1971-12-01), Jagers
patent: 4262564 (1981-04-01), Kaltenbach
patent: 4343213 (1982-08-01), Drixler
Machinefabriek Bewo B.V.
Schran Donald R.
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