Variable cutting-angle circular saw device

Details Variable cutting-angle circular saw device Variable cutting-angle circular saw device

1990-10-29

1991-11-12

Rosenbaum, Mark

Cutting

With product handling means

By fluid current

834713, 83490, 144252R, B27B 500

Patent

active

050638025

ABSTRACT:
A variable cutting-angle circular saw device includes a base; a rotary table 2 rotatably disposed in the central portion of the base; a bracket liftably attached to a hinge; a motor, a speed reducer, a circular saw, an outer cover, and a safety cover, all being fixed to the bracket; a fence fixed in a rearward position of the base; a clamp fixed at left- and right-hand positions of the device so as to allow a workpiece to be clamped for cutting the workpiece. A sawdust-guiding frame piece is suspended from a lower end of a rear portion of the cover so as to smoothly block a gap between the lower end of the rear portion of the outer cover and an upper surface of a curved portion in the central portion of the fence, guiding the sawdust blowing up via the blow-up port, to the inner side of the rear end of the outer cover. A sawdust accommodating chamber below the rotary table is closed at the bottom and has a substantially arcuate bag-like shape, and communication with the cover via a port at the rear thereof.

REFERENCES:
patent: 1552553 (1925-09-01), Georgia
patent: 1830151 (1931-11-01), Wilderson
patent: 2399239 (1946-04-01), Martin
patent: 3322169 (1967-05-01), Hilliard
patent: 3882598 (1975-05-01), Earle et al.
patent: 4253362 (1981-03-01), Olson
patent: 4326864 (1982-04-01), Sittler
patent: 4932449 (1990-06-01), Omoto
patent: 4934233 (1990-06-01), Brundage et al.

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