Portable power driven surface finishing device

Claim 2

A portable power driven device particularly adapted for surface finishing the gasket-engaging portion of a flange that forms a part of a vessel, said device comprising: a. a continuous circular rail; b. first means for removably supporting said rail in a fixed centered concentric position relative to said flange and parallel thereto; c. a rigid ring of inverted transverse channel shape that extends downwardly over said rail and rotatable relative thereto; d. a rigid first bracket supported from said first means; e. a first prime moVer mounted on said first bracket; f. second means for rotating said ring by said first prime mover; g. a rigid second bracket supported from said ring and parallel thereto; h. a second prime mover disposed outwardly from said second bracket; i. third means for adjustably supporting said second prime mover from said second bracket; j. Rotatable surface finishing means driven by said second prime mover, said finishing means contacting said gasket-engaging portion of said flange; and k. fourth means for actuating said first and second prime movers with said first prime mover concurrently moving said ring, second bracket, second prime mover, third means and finishing means circumferentially relative to said flange, and said finishing means as it is rotated by said second prime mover imparting a desired finish to said gasket-engaging portion as it moves circumferentially relative thereto.

Claim 3

A surface finishing device as defined in claim 1 in which said flange has an inner raised ring that defines said gasket engaging portion, and a plurality of circumferentially spaced bolt openings in said flange disposed outwardly from said raised portion, said rail having an internal diameter greater than the external diameter of said flange, and said first means including: l. a plurality of elongate rigid members that have first and second openings,said members having end portions thereof in abutting contact with said flange and said first openings axially aligned with said bolt openings in the end portions thereof; m. a plurality of first bolts that extend through said bolt openings and said first openings; n. a plurality of nuts that engage said bolts and support said members in outwardly extending positions relative to said flange; and o. a plurality of bolts that extend through said second openings to engage tapped bores in said rail to support said rail from said members.

Claim 4

A surface finishing device as defined in claim 2 in which said rail is of T-shape transverse cross section, and said device further including: p. first and second circular ribs that are secured to laterally spaced portions of said ring and extend towards one another, said first and second ribs cooperating with said ring to movably engage said rail to prevent said ring being inadvertently displaced therefrom.

Claim 5

A surface finishing device as defined in claim 3 in which said first prime mover is a motor and said second means includes: q. a first pulley driven by said first prime mover, said first pulley and ring lying in a common plane; and r. an endless belt that engages said first pulley and said ring.

Claim 6

A surface finishing machine as defined in claim 3 in which said third means includes: q. a pair of laterally spaced first links extending outwardly from said second bracket and pivotally supported therefrom, said first links supporting said second prime mover therefrom, and said first links having axially aligned first openings in the outer ends thereof; r. a pair of pins that extend through said first openings; s. a pair of second links that have openings in first end portions thereof that pivotally engage said pins, said second links having longitudinal slots in second end portions thereof; and t. screw means supported from said second bracket that adjustably engage said slots to permit said first links, second prime mover, and surface finishing means to be angularly adjusted relative to said gasket-engaging portion.

Claim 7

A surface finishing device as defined in claim 1 in which said rail has an exterior diameter that is substantially less than the interior diameter of said flange, and said first means includes: l. a circular rigid body; m. a plurality of rigid legs circumferentially spaced on said body and movable relative thereto, and said legs extending radially from said body; and n. fifth means for adjustably moving said legs relative to said body for the outer ends of said legs to frictionalLy engage an interior surface of said vessel and support said body in a centered position relative to said flange.

Claim 8

A surface finishing device as defined in claim 6 in which said legs have teeth on at least one longitudinal side thereof and said fifth means is: o. a plurality of gears rotatably supported on said body that engage said teeth, with said gears when selectively rotated imparting independent movement to said legs to permit said body to be centered relative to said flange.

Claim 9

A surface finishing device as defined in claim 6 in which said second bracket is of elongate shape and is diametrically positioned on said ring and of sufficient length that a first end portion thereof extends outwardly from said ring, and said third means being mounted on said outwardly extending portion.

Claim 10

A surface finishing device as defined in claim 8 in which said first prime mover is a motor and said second means includes: q. a first pulley driven by said first prime mover, said first pulley and ring lying in a common plane; and r. an endless belt that engages said first pulley and said ring.

Claim 11

A surface grinding device as defined in claim 8 in which said third means is mounted on said first end portion of said second bracket, and said third means includes: q. a pair of laterally spaced first links extending outwardly from said second bracket and pivotally supported therefrom, said first links supporting said second prime mover therefrom, and said first links having axially aligned first openings in the outer ends thereof; r. a pair of pins that extend through said first openings; s. a pair of second links that have openings in first end portions thereof that pivotally engage said pins, said second links having longitudinal slots in second end portions thereof; and t. screw means supported from said second bracket that adjustably engage said slots to permit said first links, second prime mover, and surface finishing means to be angularly adjusted relative to said gasket-engaging portion.

Claim 12

A portable power driven device particularly adapted for forming a desired longitudinal section of the interior surface of a large diameter cylindrical vessel to be concentric with the external diameter thereof, said device comprising: a. a continuous circular rail having an internal diameter greater than the external diameter of said vessel; b. first means for removably supporting said rail in an encircling position on said vessel and concentric relative thereto; c. a rigid ring of inverted transverse, channel-shape cross section that extends downwardly over said rail and is rotatable relative thereto, said ring including a first upper surface; d. a bracket that extends outwardly from said rail; e. prime mover mounted on said bracket; f. second means for rotating said ring by said prime mover; g. a radially disposed rigid member supported from said first upper surface; h. a cross slide movably mounted on said member for longitudinal movement relative thereto; i. third means for moving said cross slide on said member; j. a rigid body extending upwardly from said member; k. an elongate bar movably supported from said body and normally disposed to said member; l. fourth means for moving said bar relative to said body; m. a head supported from one end of said bar, said head capable of being positioned within said vessel; and n. a cutting tool supported from said head, with the depth of cut that said tool makes when said prime mover rotates said ring being controlled by said third means concurrently moving said cross slide, body, bar, head and tool towards or away from said interior surface and the rate at which said tool moves longitudinally being controlled by said fourth means that concurrently moves said bar, head and tool.

Claim 13

A portable power driven device particularly adapted for forming a desired longitudinal section of the interior surface of a large diameter cylindrical vessel to be concentric with the external diameter thereof, said device comprising: a. a continuous circular rail having an internal diameter greater than the external diameter of said vessel; b. first means for removably supporting said rail in an encircling position on said vessel and concentric relative thereto; c. a rigid ring of inverted transverse, channel-shape cross section that extends downwardly over said rail and is rotatable relative thereto, said ring including a first upper surface; d. a bracket that extends outwardly from said rail; e. prime mover mounted on said bracket; f. second means for rotating said ring by said prime mover; g. a radially disposed rigid member supported from said first upper surface; h. a cross slide movably mounted on said member for longitudinal movement relative thereto; i. third means for moving said cross slide on said member; j. a rigid body extending upwardly from said member; k. an elongate bar movably supported from said body and normally disposed to said member; l. fourth means for moving said bar relative to said body; m. a head supported from one end of said bar, said head capable of being positioned within said vessel; and n. a cutting tool supported from said head, with the depth of cut that said tool makes when said prime mover rotates said ring being controlled by said third means concurrently moving said cross slide, body, bar, head and tool towards or away from said interior surface and the rate at which said tool moves longitudinally being controlled by said fourth means that concurrently moves said bar, head and tool.

Claim 14

A portable power driven tool for finishing a surface of revolution of one end of a cylindrical work piece, comprising: a. a continuous ciRcular rail having a T-shaped cross-section; b. first support means coupled to the bottom of the T of said rail and adapted to be removably attached to the work piece and adjustable relative thereto for positioning said rail in concentric alignment with the surface to be finished; c. a ring having downwardly and inwardly depending edges which encompass the lateral T arms of said rail, and being rotatable thereon; d. a surface finishing tool; e. second support means coupling said tool to said ring in a fixed circumferential position thereon, and being adjustable for adjusting the position of said tool both radially and axially of said ring; f. first power drive means coupled between said ring and said rail and selectively operable for rotating said ring; and g. second power drive means coupled to said tool and adapted for driving said tool while said ring is rotating.

Claim 15

A portable power driven tool for finishing a surface of revolution of one end of a cylindrical work piece, comprising: a. a continuous ciRcular rail having a T-shaped cross-section; b. first support means coupled to the bottom of the T of said rail and adapted to be removably attached to the work piece and adjustable relative thereto for positioning said rail in concentric alignment with the surface to be finished; c. a ring having downwardly and inwardly depending edges which encompass the lateral T arms of said rail, and being rotatable thereon; d. a surface finishing tool; e. second support means coupling said tool to said ring in a fixed circumferential position thereon, and being adjustable for adjusting the position of said tool both radially and axially of said ring; f. first power drive means coupled between said ring and said rail and selectively operable for rotating said ring; and g. second power drive means coupled to said tool and adapted for driving said tool while said ring is rotating.

Claim 16

A portable power tool as claimed in claim 12 which further includes a plurality of sets of roller bearings confined between said ring and said rail for rotatably supporting said ring.

Claim 17

A portable power driven tool as claimed in claim 12 wherein said second support means is adapted to provide a feed drive for said tool while said tool is operating.

Claim 18

A portable power driven tool as claimed in claim 12 wherein the surface to be finished lies perpendicular to the longitudinal axis of the work piece, and said first support means is adapted to position said rail on the outside of the work piece and precisely parallel to the desired finish level of the surface.