# US 2019/0316367 A1 · Mason's adjustable chimney-platform arrangement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0316367 A1 - Document ID: US20190316367A1 - Status: Published application - Kind: A1 - Application number: 16/501,872 - Filed: 2019-06-22 - Published: 2019-10-17 - Earliest claimed: 2006-08-05 - Inventors: Donald F. Lombardi; Luke A. Lombardi - Web page: https://patentgrep.com/patent/US20190316367A1 ## CPC - E04G 1/22: Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism - B66F 11/04: for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations ({Working platforms on fork-lift trucks B66F9/127; } vehicle aspects of service vehicles B60P3/14; platforms for cleaning windows A47L3/02; devices for rescuing persons from buildings A62B1/02; liftable or lowerable platforms for use on ladders E06C7/16; maintenance travellers for bridges E01D19/10; scaffolds on an extensible sub-structure E04G1/22) - B66F 11/046: {of the telescoping type} - E04G 1/362: {specially adapted for tanks, silos or similar vessels} - E04G 3/243: {following the outside contour of a building (E04G3/26 takes precedence)} - E04G 3/28: Mobile scaffolds; Scaffolds with mobile platforms {(movable inspection or maintenance platforms for bridges E01D19/106, lifting devices for movable platforms, e.g. on vehicles B66F11/04)} - E04G 3/24: specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons (E04G3/28 takes precedence; {E04G1/362, E04G3/305 take precedence; scaffolding usable on slipways and in dry docks B63C5/02}) - E04G 2003/286: {mobile vertically} - E04G: SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS - B66F: HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD ({invalid lifting devices A61G7/10; } mounting artificial islands on piles or like supports E02B17/00; scaffolding combined with lifting devices E04G1/22; lifting devices for sliding forms E04G11/24; lifting of buildings E04G23/06; shores or struts E04G25/00; lifts or other hoisting devices on ladders E06C7/12; props for mining E21D15/00) ## Abstract An adjustable platform assembly for supporting workers and supplies about an elevated work site, the platform assembly being movably supported on an articulable support, the platform comprising a stationary curvilinear rear bridging panel arrangement having a 1st side curvilinear platform member and a 2nd side curvilinear platform member, each comprising a floor and railing assembly, wherein each elongated 1st and 2nd curvilinear side platform member floor and railing assembly is independently movable on support members outwardly and inwardly, with respect to the curvilinear bridging panel arrangement, to change the platform assembly back and forth between a generally “C” shape to a generally “O” shape, or any peripherally adjustable combination thereof, as required. ## Claims ### Claim at position 1 1-11. (canceled) ### Claim 12 An articulable, shape-changeable, elevatable platform assembly comprising a generally “H” shaped structure being attachable distal end of an articulable support arm of a transport vehicle, the platform assembly being arranged to adjustably surround an elevated structure on at least three sides thereof, the platform assembly comprising: an elongated bridging member attachable at a midpoint thereof to the articulable support arm of a transport vehicle, the elongated bridging member having a 1st end and a 2nd end, wherein an elongated 1st side platform is controllably and slidably attached to the 1st end of the elongated bridging member; and wherein an elongated 2nd side platform is independently controllably and independently slidably attached to the 2nd end of the elongated bridging member so as to enable adjustable adaption to size variations of the adjacent and/or parallel sides of a surrounded elevated structure by the platform assembly. ### Claim 13 (depends on 12) The articulable, shape changeable, elevated platform assembly as recited in claim 12, wherein the elongated bridging member has an elongated safety rail on an elongated distal side thereof. ### Claim 14 (depends on 13) The articulable, shape changeable, elevated platform assembly as recited in claim 13, wherein the 1st side platform attached to the 1st end of the elongated bridging member has an elongated safety rail arranged on an outward side thereof. ### Claim 15 (depends on 14) The articulable, shape changeable, elevated platform assembly as recited in claim 14, wherein the 2nd side platform attached to the 2nd end of the elongated bridging member has an elongated safety rail arranged on an outward side thereof. ### Claim 16 (depends on 15) The articulable, shape changeable, elevated platform assembly as recited in claim 15, wherein the 1st side platform attached to the 1st end of the elongated bridging member has a proximal end which is arranged perpendicular to that elongated bridging member. ### Claim 17 (depends on 16) The articulable, shape changeable, elevated platform assembly as recited in claim 16, wherein the 2nd side platform attached to the 2nd end of the elongated bridging member has a proximal end which is arranged perpendicular to that elongated bridging member. ### Claim 18 (depends on 15) The articulable, shape changeable, elevated platform assembly as recited in claim 15, wherein at least one of the elongated side platforms is curved in its elongated direction. ### Claim 19 (depends on 18) The articulable, shape changeable, elevated platform assembly as recited in claim 18, wherein at least one elongated side platform is connected to the elongated bridging member by a supportive rotary unit to permit the at least one side platform to be moved angularly into close non-orthogonal proximity towards and away from a vertical structure. ### Claim 20 An articulable, shape-changeable, elevatable platform assembly comprising a generally “H” shaped structure being attachable distal end of an articulable support arm of a transport vehicle, the platform assembly being arranged to adjustably surround an elevated structure on at least three sides thereof, the platform assembly comprising: an elongated bridging member attachable at a midpoint thereof to the articulable support arm of a transport vehicle, the elongated bridging member having a 1st end and a 2nd end, wherein an elongated 1st side platform is controllably and slidably attached to the 1st end of the elongated bridging member; and wherein an elongated 2nd side platform is independently controllably and independently slidably attached to the 2nd end of the elongated bridging member so as to adjustably adapt to size variations of an adjacent and/or parallel sides of a surrounded elevated structure by the platform assembly; and wherein at least one of the elongated side platforms is curved in its elongated direction; and wherein at least one elongated side platform is connected to the elongated bridging member by a supportive rotary unit to permit the at least one side platform to be swivelably moved angularly into close non-orthogonal proximity towards and away from a vertical structure.