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Sugatsune Aileron lift-assist lid stay is a freestop, soft down stay and lift assist system that controls upward-opening doors, so doors open easily and stay where they are set during work or access. This Aileron System creates continuous door movements with adjustable closing speed and freestop functions, giving installers predictable motion across the full swing. The integrated design combines a concealed hinge and lid stay to coordinate the lifting and closing actions, which keeps layouts cleaner on work surfaces and cabinets. The lift-assist function allows for light opening of doors within the specified torque range of 35.4 - 53.1 lb, so users experience reduced effort when lifting medium-weight fronts. The soft-close function makes doors close gently, which reduces impact on the cabinet structure in everyday use. The system is specially designed for use with the Olympia concealed hinge 360-D26-19 to deliver its full motion profile.
This lift-assist stay requires minimal 3' x 7' space for installation, so it fits into compact cabinet or work-surface layouts while still allowing the full motion sequence. Board thickness for the door ranges from a minimum of 9/16 in (15 mm) to a maximum of 7/8 in (22 mm), which sets the practical panel sizing for compatible fronts. The system is specially designed for use with the Olympia concealed hinge 360-D26-19, aligning the hinge geometry and stay action so the door tracks cleanly through lift, hold, and close. The integrated design combines a concealed hinge and lid stay, reducing the number of separate motion components that must be coordinated along the side of the cabinet.
The ARN-3-M-S upward-opening stay is specified as a medium torque 35.4 - 53.1 lb unit, so it is aimed at doors where that torque range properly supports lift assist and controlled descent. The system requires minimal 3' x 7' space for installation, which lets the mechanism operate in casework where interior clearance is limited yet a full upward swing is required. Board thickness from 9/16 in (15 mm) to 7/8 in (22 mm) defines the intended door construction, guiding material selection so the stay and hinge work within their designed geometry. Because the system is specially designed for use with the Olympia concealed hinge 360-D26-19, the hinge cup positioning and arm motion are matched to the stay, supporting consistent reveals and clearances across multiple doors in the same run.
The Aileron System creates continuous door movements with adjustable closing speed and freestop functions, which helps installers tune motion so doors travel smoothly without abrupt changes. The lift-assist function allows for light opening of doors, so end users feel reduced effort as the stay helps carry the door weight through the upward arc. The freestop function enables doors to hold in position from 30 degrees to maximum opening, which is useful when a partially open position is needed for access without fully raising the front. The soft-close function makes doors close gently from 0 degrees to 30 degrees, moderating final travel and reducing impact on the face frame or cabinet edge. Because the integrated design combines a concealed hinge and lid stay, these functions work together, supporting predictable, repeatable motion for lid-style fronts and upward-opening cabinet doors.
The ARN-3-M-S provides upward-opening lift assist, freestop holding, and soft-down closing, so a single stay manages opening, holding, and gentle closing of the door.
This Sugatsune Aileron stay is specified for a medium torque range of 35.4 - 53.1 lb, matching doors sized so lift assist and controlled closing work within that force window.
The ARN-3-M-S with Olympia hinge is designed for board thickness from 9/16 in (15 mm) to 7/8 in (22 mm), guiding door construction dimensions.
The freestop function lets the door hold between 30 degrees and maximum opening, so users can stop the door at convenient positions during access.
The Olympia concealed hinge 360-D26-19 is the hinge the Aileron System is specially designed to work with, coordinating hinge movement and stay functions.
The ARN-3-M-S Aileron System has adjustable closing speed, allowing installers to set how quickly the door moves through its final closing range.
The ARN-3-M-S Aileron System from Sugatsune America combines a medium torque 35.4 - 53.1 lb lift-assist stay with the Olympia concealed hinge 360-D26-19, delivering coordinated upward-opening, freestop holding, and soft-close performance. With board thickness support from 9/16 in (15 mm) to 7/8 in (22 mm) and a minimal 3' x 7' installation space requirement, it fits typical cabinet door constructions and compact casework. For projects that need smooth door movement, adjustable closing speed, and gentle soft-close behavior in an integrated lid support and hinge solution, this ARN-3-M-S configuration provides a focused, application-ready option.
