Patent ID: 6173635
Filing Date: 2001-01-16
Classification: B23D,B27B,Y10T

Abstract:
A circular saw assembly comprising a base, a rotatable base plate mounted on said base, said base plate having a recess formed at a rear end of an upper face thereof, two positioning bolts being screwably and symmetrically provided on opposite sides of said recess, a mounting seat being screwably secured above said recess by two bolts disposed on opposite sides of said recess;said mounting seat being a generally semi-circular structure that straddles said recess in said base plate, said mounting seat having a pivot portion at a bottom end thereof and in the center of said bottom end, said pivot portion being located in said recess of said base plate and having a screw hole with a central axis aligning with a radial line of said rotatable base plate located on said upper face of said base plate;a rotary seat supporting a circular saw and being mounted to said mounting seat, said rotary seat being rotatable relative to said mounting seat to permit adjustment of an inclination angle thereof, said rotary seat being provided with a curved slide groove for slidable displacement of an adjusting bolt, said rotary seat having a pivot portion at a bottom end thereof and in the center of said bottom end that corresponds to said pivot portion at said bottom end of said mounting seat, said pivot portion of said rotary seat having a pivot hole that is aligned with said screw hole of said pivot portion of said mounting seat, a pivot passing through said pivot hole of said mounting seat and into said screw hole of said rotary seat to thereby pivotally and integrally mount said pivot portion of said mounting seat and said pivot portion of said rotary seat in said recess of said base plate, said pivot having a central axis that is likewise aligned with said radial line located on said upper face of said base plate, whereby said rotary seat utilizes said pivot as center of rotation to perform adjustment of the inclination angle relative to said upper face of said base plate.