# US 10,769,884 B2 · Zero weight articulating access door > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,769,884 B2 - Document ID: US10769884B2 - Status: Granted - Kind: B2 - Application number: 16/718,957 - Filed: 2019-12-18 - Published: 2020-04-23 - Granted: 2020-09-08 - Earliest claimed: 2017-09-29 - Assignees: Aristocrat Technologies Australia Pty Limited - Applicants: Aristocrat Technologies Australia Pty Limited - Inventors: Timothy Francis Barbour; Dominic S. Biondo - Web page: https://patentgrep.com/patent/US10769884B2 ## CPC - G07F 17/3216: {Construction aspects of a gaming system, e.g. housing, seats, ergonomic aspects} - G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)} - G07F 17/3213: {Details of moving display elements, e.g. spinning reels, tumbling members} - G07F: COIN-FREED OR LIKE APPARATUS (coin sorting G07D3/00; coin testing G07D5/00; {handling coins or paper currencies apart from payment activated apparatus G07D; payment architectures, schemes or protocols G06Q20/00}) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A weightless articulating door mount for a gaming machine is disclosed. The weightless articulating door mount has a four link mechanism and a cam. A biasing mechanism interacts with the weightless articulating door mount through the cam and provides a uniform force counteracting the weight of the door/monitor. With the door/monitor effectively weightless, the door may be opened and will remain in place absent any further disturbance. ## Claims ### Claim 1 An articulating mount for an access door, comprising: a four-link mechanism having a stationary link configured to be fixedly coupled to a gaming console, a door link positioned opposite the stationary link and configured to be fixedly coupled to a door, an upper link rotatably coupled to the stationary link and the door link, and a lower link rotatably coupled to the stationary link and the door link; a cam coupled to at least one link of the four link mechanism, the cam comprising an arcuate cam surface; a biasing mechanism coupled to a link adjacent the at least one link; and an arm coupled to the biasing mechanism and extending radially outward therefrom, the arm configured for rotation with the biasing mechanism and positioned to engage the arcuate cam surface to facilitate biasing the orientation of the door link. ### Claim 2 (depends on 1) The mount of claim 1, wherein the biasing mechanism is coupled to stationary link and the cam is coupled to the lower link. ### Claim 3 (depends on 2) The mount of claim 2, wherein the cam is integrally formed with the lower link. ### Claim 4 (depends on 1) The mount of claim 1, wherein the stationary link in configured to fixedly coupled to the gaming console at two or more mounting points, and wherein the door link is configured to fixedly couple to the door at two or more mounting points. ### Claim 5 (depends on 4) The mount of claim 4, wherein the door link is selectively moveable relative to the stationary link between a closed position, in which the door link is positioned adjacent the stationary link, and an opened position, in which the door link is positioned laterally away from the door link. ### Claim 6 (depends on 5) The mount of claim 5, wherein the door link is configured to remain substantially parallel to the stationary link as the door link is moved between the opened position and the closed position. ### Claim 7 (depends on 5) The mount of claim 5, wherein the upper link and the lower link are configured to remain substantially parallel to one another as the door link is moved between the opened position and the closed position. ### Claim 8 (depends on 5) The mount of claim 5, wherein the arm engages the cam surface at a first circumferential position on the cam surface when the door link is in the closed position, the arm engaging the cam surface at a second, different, circumferential position when the door link is in the opened position, wherein the cam surface has a substantially constant arch between the first circumferential position and the second circumferential position. ### Claim 9 (depends on 8) The mount of claim 8, wherein the cam surface includes a stop adjacent the second circumferential position. ### Claim 10 (depends on 5) The mount of claim 5, wherein, when the door link is in the opened position, the door link is raised relative to the stationary link and at least one of the lower link and the upper link is oriented obliquely relative to the door link. ### Claim 11 (depends on 10) The mount of claim 10, wherein the biasing mechanism is configured to bias the door link toward the opened position. ### Claim 12 (depends on 1) The mount of claim 1, wherein the door link is coupled to a monitor for the gaming console. ### Claim 13 (depends on 1) The mount of claim 1, wherein the door link is a monitor for the gaming console. ### Claim 14 (depends on 1) The mount of claim 1, wherein the biasing mechanism is a torsion spring. ### Claim 15 (depends on 1) The mount of claim 1, wherein the door link is vertical. ### Claim 16 A gaming console, comprising: a cabinet enclosing a processor and a non-transitory memory storing instructions for execution of an electronic game of chance; a door providing access to an interior of the cabinet; and at least one mount securing the door to the cabinet, the at least one mount comprising: a four-link mechanism having a stationary link configured to be fixedly coupled to the gaming cabinet, a door link positioned opposite the stationary link and configured to be fixedly coupled to the door, an upper link rotatably coupled to the stationary link and the door link, and a lower link rotatably coupled to the stationary link and the door link; a cam coupled to at least one link of the four link mechanism, the cam comprising an arcuate cam surface; a biasing mechanism coupled to a link adjacent the at least one link; and an arm coupled to the biasing mechanism and extending radially outward therefrom, the arm configured for rotation with the biasing mechanism and positioned to engage the arcuate cam surface to facilitate biasing the orientation of the door link. ### Claim 17 (depends on 16) The gaming console of claim 16, wherein the biasing mechanism is coupled to stationary link and the cam is coupled to the lower link. ### Claim 18 (depends on 17) The gaming console of claim 17, wherein the cam is integrally formed with the lower link. ### Claim 19 (depends on 16) The gaming console of claim 16, wherein the stationary link is configured to fixedly coupled to the gaming cabinet at two or more mounting points, and wherein the door link is configured to fixedly couple to the door at two or more mounting points. ### Claim 20 (depends on 19) The gaming console of claim 19, wherein the door link is selectively moveable relative to the stationary link between a closed position, in which the door link is positioned adjacent the stationary link, and an opened position, in which the door link is positioned laterally away from the door link.