Spring-Operated Door Closer Mechanism
Heavy-duty spring motor in hydraulic door closers that automatically pulls doors shut after opening, using stored tension. Fits HTS 8412.80.1000 as a spring-operated motor for linear force application.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when mounted on the door as hardware
Door closers as mountings and fittings are classified in Chapter 83 by function.
If with significant pneumatic assist
Pneumatic linear actuators are under specific heading 8412.31 for cylinders.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Certify spring tension ratings for building codes; include hydraulic fluid specs if present; test for ADA compliance in public use
Related Products under HTS 8412.80.10.00
Weight-Driven Atmos Clock Motor
Atmospheric pressure-balanced weight system motor in Atmos clocks, where temperature/pressure changes drive torsion pendulum via simulated weights. A weight-operated motor under HTS 8412.80.1000.
Spring-Operated Window Blind Lift Motor
Lift-assist spring motor in roller blinds that counterbalances fabric weight for smooth raise/lower operation. Spring-operated per HTS 8412.80.1000 for architectural motors.
Spring-Powered Jack-in-the-Box Mechanism
High-tension spring motor restrained by latch, releasing pop-up figure in classic jack-in-the-box toys. Pure spring-operated motor per HTS 8412.80.1000 for surprise action toys.
Music Box Mechanism
A compact spring-operated motor that powers the rotation of a cylinder to play tunes inside music boxes. It falls under HTS 8412.80.1000 as it is a spring-operated motor designed to store and release mechanical energy for repetitive motion in toys and novelties.
Spring-Driven Alarm Clock Motor
A weight and spring-operated motor assembly used in mechanical alarm clocks to drive hour, minute, and alarm functions through gear trains. Classified under HTS 8412.80.1000 for its reliance on stored spring tension and gravity for timekeeping motion.
Toy Car Spring Motor
A small spring-wound motor that propels plastic toy cars forward via a simple gearbox when the chassis is pulled back and released. It qualifies for HTS 8412.80.1000 as a dedicated spring-operated motor for generating linear motion in playthings.