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HBF BI-Fold Lift Mechanism 12-14 lbs is a lift assist mechanism from Sugatsune America designed for upward-opening flap doors, so it supports doors that need to swing up and stay there during work. The built-in lift assist makes flap doors feel lighter in use, which helps when opening heavier fronts in overhead cabinets or work-surface applications. A free stop function holds the flap at any angle from 50 degrees to fully open, so users can set the door where they want it and work without having to hold it. The integrated soft-closing feature slows the closing speed between 0 degrees and 40 degrees, which reduces slamming and helps protect the cabinet structure and front. As part of Sugatsune Americas lid supports and stays category, this mechanism suits projects that need controlled, repeatable flap motion.
This lift assist mechanism is engineered for fast installation through a vertical adjustment function on the mounting plate on the flap, which helps fine-tune the flap position after mounting. The opening angle is easy to adjust, so the flap travel can be set to the required range for the cabinet design when used with a concealed hinge with an appropriate opening degree. A supplied template is used during installation, simplifying layout work and helping installers repeat hinge and mechanism positions across multiple cabinets. These elements combine to support rapid, consistent installs on jobs with several upward-opening flap doors.
This bi-fold lift assist mechanism fits upward-opening flap door layouts where the front needs support through the full motion, such as overhead cabinets or lid-style fronts in work surface and table applications. Its lift assist feature is tuned for flaps in the 12-14 lbs range, so installations in that load window gain lighter-feeling operation. Because the free stop function holds between 50 degrees and fully open, the mechanism suits cabinets where the flap should rest partially open during use while still providing full opening when needed. The soft-closing action in the last 0-40 degrees of motion benefits spaces that need quieter closing and reduced impact on the case.
The mechanism passed 30,000 open and close cycles in a private test, indicating it is built for repeated daily operation on frequently used flap doors. The easy-to-adjust opening angle translates into faster fine-tuning on site, especially when matching the travel of a concealed hinge with a specific opening degree. Vertical adjustment on the mounting plate on the flap supports precise alignment of the front relative to surrounding cabinets, which helps achieve even reveals and consistent gaps along a run. Using the provided installation template streamlines layout, so drilling and positioning steps can be repeated quickly across multiple units. Together, these features support predictable motion, cleaner alignment, and efficient cabinet or work-surface builds where upward-opening flap doors are part of the design.
This bi-fold lift assist mechanism is designed for upward-opening flap doors, so it suits cabinets or work surfaces where the front needs to swing up and stay open during access.
The HBF BI-Fold Lift Mechanism 12-14 lbs is specified for flaps in the 12-14 lbs range, which helps keep the lifting force and motion balanced for typical cabinet fronts.
The free stop function holds the flap position at any angle from 50 degrees to fully open, letting users set a comfortable opening angle and work without holding the door.
The soft-closing function slows the flap between 0 degrees and 40 degrees, reducing slamming and impact on the cabinet as the door reaches the closed position.
The opening angle is easy to adjust on this mechanism and is used together with a concealed hinge that has an appropriate opening degree, aligning travel with the hinge.
The vertical adjustment on the mounting plate on the flap allows fine-tuning of door position after installation, which helps align the flap with adjacent fronts.
This Sugatsune America bi-fold lift assist mechanism is tailored for upward-opening flap doors in the 12-14 lbs range, tying its lift assist, free stop, and soft-closing functions directly to that application. The adjustable opening angle, used with a concealed hinge with the appropriate opening degree, supports dialing in flap travel to the cabinet design. Vertical adjustment on the mounting plate and the supplied installation template help streamline fitting and alignment on multi-unit jobs. For projects that demand controlled motion and repeatable alignment in lid supports and stays, this HBF-ELAN-HH mechanism offers a focused solution for flap-style fronts.
