Automatic locking retractor seat belt. The ALR may deactivate early, before the webbing is fully retracted. For use in fire trucks, buses, ambulances, forklifts and other commercial and industrial vehicles. This guide will show you step-by-step instructions on how to use the Dec 11, 2015 · The automatic locking retractor (ALR) mode is a safety precaution that locks the shoulder belt in place, while tightening it to avoid any slack. Whether it’s a simple 2 point lap belt or a belt combined into multi point systems, SHIELD has you covered. This makes it a popular choice in many cars. WARNING: After any crash, all of the following safety belt assemblies and attaching hardware must be inspected to verify correct function: Retractors Buckles Belt tension sensor (BTS) (if equipped) Front safety belt buckle support assemblies (slide bar) (if equipped) Safety belt shoulder belt height adjusters (if equipped) Child safety seat tether bracket assemblies Automatic locking retractor Sep 24, 2023 · The coiled metal spring inside the seat belt retractor provides the recoil action that makes the belt retract. This type of retractor is locked as soon as you put it on and will only unlock once you’ve allowed the seat belt webbing to retract fully back into the retractor housing. What is the function of ALR (Automatic Locking Retractor) mode for seat belts? Allows a child safety seat to be installed with the seat belt without a locking clip. This mechanism can get damaged or stuck. This part could be the problem if your belt is not coming out. Emergency locking retractor (elr) The retractor will lock the belt during a sudden stop or 본 발명은 ALR (Automatic Locking Retractor) 기능을 갖는 자동차 시트벨트의 리트랙터 장치에 관한 것으로서, 드럼의 회전에 연동하는 기어조합 및 랙 (Rack), 이 랙에 의해 회동하는 회동바, 그리고 상기 회동바에 의해 온 (ON) 동작하는 스위치에 의해 전자석이 작동하고, 이를 통해 작동레버가 웨빙의 인출 Automatic Locking Retractable Seatbelts Our automatic locking retractors (ALRs) are designed to secure the pelvis in place for maximum safety in even the most compromising of situations. The belt has an emergency locking retractor. Choose from the standard 13" retractor for taller seats or the 7. com A conventional seat belt retractor passes around an occupant's body in a vehicle seat and effects a positive restraining force in an emergency by locking to prevent belt protraction when emergency conditions are detected by sensors in the retractor. They are different from ELRs as once you pull out the webbing on an ALR to the desired maximum and set the lock it will only retract after that. The ALR mode (also called child restraint mode) is used when installing child seats. The Active Control Retractor ACR8 is ZF's 3rd generation motorized retractor technology. 3-Point safety belts use Emergency Locking Retractors, which wind or retract the webbing to store the webbing. Our Motorized Seat Belt (MSB) technology can supply fast and strong reversible retraction of the seatbelt during critical driving situations. This causes the internal reel to spin rapidly and engages the clutch which in terms stops seat belt webbing from being released. Let the belt Jun 7, 2019 · Exactly how seat belt locking mechanism works Ever wonder, “ How does a seat belt locking mechanism work? ” If you have, I am here to give you the answer. When the seat belt is without the angle sensitive, it is only ELR functioning, when the seat belt is with the angle sensitive, the seat belt is with ELR & VSR functioning. All passenger seat belts include an automatic locking retractor (ALR) that you use to lock the seat belt in place. 1 (g) (1) regardless of seat position. Read your car seat’s instruction manual to determine if it requires the seat belt retractor to be put in automatic locking mode. carseatsite. Here’s how to activate it: Make sure the belt is buckled properly. Active seat belt systems can vibrate to warn drivers of potential danger and tighten the seat belt in anticipation of an accident ACR8 Active Control Retractor is based on the SPR8 seat belt retractor pretensioner product family Compact design, lightweight, with new software functions Friedrichshafen. Nov 21, 2023 · Retractor failure: Mechanical faults inside the seat belt retractor, such as a faulty locking mechanism, can cause the seat belt to remain persistently locked in the retracted position. Locking system, available in the seat-integrated ACR8. An automatic locking mechanism selectively locks the spool against paying out webbing. This quick car repair is easier than you think, and you’ll avoid the nuisance and safety hazard of a seat belt that just dangles loose. Dec 23, 2020 · As soon as the occupant pulls his or her lap belt into place, and the seat belt tongue gets inserted into the buckle, the automatic locking retractor then lets the extra webbing of the seat belt retract into the retractor up to the point wherein it is tight around the occupant’s hips. A jammed retractor or a broken retractor could cause a stuck seat belt. During a collision or sudden stop, the retractor automatically locks the belt to Apr 15, 2004 · An automatic locking retractor can do this, as can a switchable retractor, a cinching latchplate or a locking clip. Dec 28, 2023 · Some cars have automatic locking retractors (ALRs) which keep the belt snug during normal driving but allow the belt to extend during emergency braking or in case of an accident. Press down firmly on the child seat as the belt retracts to buckle the child seat securely in place. To deactivate the automatic This video shows what an automatic locking retractor seat belt looks like. It can enhance occupant protection by reverse pretensioning during pre-crash, avoidance maneuvers and other highly-dynamic scenarios. The Automatic Locking Retractor (ALR) makes it possible to secure a chi Jul 12, 2021 · June 14, 2021 NHTSA CAMPAIGN NUMBER: 21E052000Components SEAT BELTS Potential Number of Units Affected 76,986 Summary Autoliv, Inc. The first automatic locking retractor for seat belts and shoulder harnesses in the U. Using The Automatic Locking Retractor (alr) Learning how to lock a seat belt is important for safety. You can’t achieve that with the situation at hand. NOTE: Automatic Locking Retractor (ALR) function allows the user to lock the retractor at a set position (also called child restraint mode) used for securing child seats. Jan 16, 2024 · Discover reasons for seat belt locking and how to fix it. If your car has a seat belt lock, it's important to make sure that it's working correctly. An automatic-emergency locking retractor for seat belts which comprises, a retractor comprised fundamentally of a spindle, a locking plate fitted to or mounted on the end of the rotating spindle, a locking ring fixedly secured to a retractor body, locking rollers movable along cam faces on this locking ring and engageable with the locking plate, a clutch plate for moving the rollers, a ELR is Emergency Locking Retractor, a computer controlled system which leaves the webbing free to extend or retract and only locks when the computer detects dangerous deceleration. SmartBelt comes with a Safety Alert signaling system, alerting the officer if the retractor becomes unbuckled and is out of restraint mode. The seat belts in the passenger seating positions may be equipped with a Switchable Automatic Locking Retractor (ALR) which is used to secure a child restraint system Installing Child Restraints Using The Vehicle Seat Belt. 2 PT ALR Lap Belts (Type I) A complete line of 2 Point, Automatic Locking Retractors (Type 1) and 3 Point Emergency Locking Retractors (Type II). Then, allow the webbing to retract back into the retractor. Mechanism is provided for first allowing the belt section to be extended by the wearer to any desired length and to then lock the reel against further extension. Jun 14, 2025 · The pendulum mechanism in the seat belt retractor The pendulum is positioned directly below the retractor or spool. However, the pretensioner works together with the regular locking mechanisms, rather than in place of them. Pull the webbing all the way out of the seat belt retractor. Apr 4, 2024 · The retractors also face a different challenge and that is dirt. Aug 30, 2021 · This repair guide shows how to fix a seat belt that won't pull out and is jammed after an accident. The system is used for securing child seats, it is also called ‘child restraint Mar 22, 2019 · Most seat belts have locking mechanisms built into the retracting mechanism. The inflator, which is a component of the retractor, plays a pivotal role in activating the sensors. Seatbelt with Automatic Locking Retractor (ALR) in Europe ? Long story short, we're in Europe with our American infant car seat, without the base and was trying to secure it using the ALR. When the car comes to a sudden stop or rapid deceleration, the inertia causes the pendulum to swing forward. Some 2-Point retractable belts use an Automatic Locking Retractor (ALR) which self-tighten the belt around the passenger's waist, so you do not have to adjust the belt to the size of each passenger. Apr 18, 2019 · A jerking motion on the seat belt webbing can also trigger the retractor. [47][48] These "Auto-lock" front lap belts were optional on AMC cars with bucket seats in 1967. Seat belt locks come in different types, including automatic locking retractors, emergency locking retractors, and switchable automatic locking retractors. Called an Automatic Locking Retractor (ALR), this seat belt design is a safety feature intended to hold a child car seat in place. Learn why this crucial safety component is key to ensuring your and your passengers' safety every time you hit the road. Retractors: ALR (Automatic Locking Retractor) or ELR (Emergency Locking Retractor) with mono-sensitivity (reacts to the acceleration of webbing) or duo-sensitivity (reacts to the acceleration of the vehicle and webbing) sensor unit, electronic locking sensor unit or Manual locking option. ZF is beginning volume production of its next generation Active Control Retractor – the . NUMBER ONE LIFE SAVER Joyson Safety Systems is an industry leader in seatbelt technology. Emergency Locking Retractor (ELR) function allows the occupant to have free movement while Nov 7, 2024 · Is your seat belt jammed, stuck in place, and refuses to retract? Don’t stress. Typically, an emergency locking retractor will lock the seat belt webbing in one of three ways - 1) by how quickly the webbing is pulled from the retractor, 2) a sudden change in the vehicle's This type of seat belt combines both an emergency locking retractor and an automatic locking retractor. First, buckle the shoulder and lap belt and lock the retractor, and remove the slack in the belt so it lies flat against the vehicle seat. The parts of a seat belt include the buckle, latch plate, webbing, pillar loop, and retractor. 1. To install a safety seat securely with this type of safety belt, buckle the safety seat in place and then take the slack out of the safety belt by pushing down on the safety seat so the webbing is retracted. The Automatic Locking Retractor (ALR) mode is used when locking a child seat in any passenger seating position. Extract 200 - 250 mm lower belt webbing, fold and fix with your hand (as shown). Pull the shoulder belt completely out of the retractor. ALR mode should always be used (if your car is equipped with it) when a child safety seat is being used. The retractor side of the seat belt self winds when not in use, offering a convenient way to keep the safety belt protected and out of the way. Seatbelt engineer here. The seat belt retractor has a rigid frame structure and contains the retraction and locking element in it. 25" mini for low profile seats. Grab the shoulder strap, and pull until the entire belt has been Oct 11, 2016 · Automatic and Emergency Locking Retractors Dan Cohen, President, demonstrates the differences between ALR (Automatic Locking Retractor) and ELR (Emergency Locking Retractor) on Freedman Seating 3-point seat belts. It combines comfort with safety. Engaging ALR mode requires three steps. An ARL will reset w Demonstrate child passenger safety with an automatic locking retractor mechanism from SeatbeltPlanet. Usually, a spring The Automatic Locking Retractor, locks immediately after the belt is fastened and can be installed regardless of the angle. An Emergency Locking Retractor (ELR) is a seat belt retractor that locks only in response to the rapid deceleration of a vehicle or rapid spooling out of the seat belt webbing from the retractor, and increases the comfort of the seat belt assembly compared to an ALR. Determining Lap Belt Length The first thing to know is that all of our lap belts are adjustable, either by an Automatic Locking Retractor, or manually by pulling the free webbing end on the non-retractable lap belts. If the ALR function deactivates while an affected seat belt is used to secure a child restraint Mar 18, 2014 · An emergency locking retractor alone is not enough to install a car seat: the seat belt MUST be locked pre-crash when a car seat is installed. It truly is funny how such a small component in your vehicle can have such a crucial role in maintaining your safety on the road! In a typical seat belt mechanism, the material webbing is connected to a retractor mechanism. The retractors automatically sense when to lock to secure the detainee. This is known as the Emergency Locking The new e. Two-point retractable lap seat belts feature automatic locking retractors to fully retract when not in use. No problem though, just fold the seat down using the lever with the nice A seat belt retractor has a rotatably mounted spool for supporting seat belt webbing. This condition, if it exists, does not comply with Federal Motor Vehicle Safety Standard (FMVSS) 208. Most seating positions are equipped with Automatic Locking Retractor (ALR) mode seat belts. Our product portfolio includes emergency locking retractors, pyrotechnic and electric pretensioners, energy management systems, anchor pretensioners and shockproof buckles. (2) A Type 1 or Type 2 seat belt assembly for use in a vehicle having seats that are adjustable shall conform to the requirements of S4. See the “Automatic Locking Mode” description Switchable Automatic Locking Retractors (ALR) — If Equipped for additional information on ALR. Apr 17, 2025 · As you can see from the picture, inside the retractor is a steel ball and a cup that helps lock the belt during an accident or sudden stop. In normal driving, the retractor lets you move freely in your seat while it keeps some tension on the belt. Under non-emergency conditions the retractor allows seat belt webbing to be paid out permitting the vehicle occupant to move relatively freely in Its main function is to lock the seatbelt in place, securely holding occupants in position during a crash. [Use a vehicle seat to demonstrate how to install a car seat with an automatic locking retractor, emergency locking retractor, and a switchable retractor by feeding the seat belt through the car seat belt path and appropriately locking the belt systems lap belt. There are two primary types of retractors – emergency locking retractors (ELR) and automatic locking retractors (ALR). These self-locking retractors are typically used to securely hold a seat belt retained child safety seat (see Installing Seat Belt Retained Child Seats). 584 units in retailer inventory on date of launch. S belt retractor from ZF LIFETEC, replaces the 12 to 13 millimeter steel ball previously used with an electromagnetic coil that locks the retractor electromechanically via a signal from a central ECU. Testing the Automatic Locking Retractor (ALR) function on the rear center seat belt: Fasten and buckle seat belt over an empty seat. Aug 4, 2022 · Before learning how to fix a seat belt that is locked, you need to know a little bit about it and how it works to facilitate the repair process. ELRs are sensitive to the vehicle’s deceleration, locking the belt during a crash or sudden stop. What is the function of seat belt pretensioners? Automatic Locking Retractor Seat Belts Commonly referred to as ALR seat belts. Dec 15, 2015 · While the passenger front and rear seat belts can be used in Vehicle Sensitive mode, they can also be used in Automatic Locking mode. So you will have no problem making the belt tight enough with our 2-Point seat belts. Available in webbing widths of 2 inches (50mm) or 3 inches (75mm). When the ball rolls out of the center, it latches the mechanism via the attached lever. Read on to learn how to diagnose and fix a seat belt that won’t retract or pull out. Dec 14, 2015 · The driver front seat belt has an emergency locking retractor, while the other seat belts use automatic locking retractors. Its components include: Webbing Spool Retractor mechanism Locking mechanism Spring Buckle Seatbelts are trickier than they appear to be. Convertible retractor type seat belts are installed in the rear seat positions to help accommodate the installation of child restraint systems. These retractors are only for instructional use. The mechanism will not release until you’ve let enough webbing retract, which usually happens ~6-8 inches before nominal stowage. S. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard Automatic-locking retractor means a retractor incorporating adjustment hardware by means of a positive self-locking mechanism which is capable when locked of withstanding restraint forces. Over time, that dirt and oil will bind the assembly and make it stick. Aug 5, 2021 · The front passenger seat belt automatic locking retractor (ALR) may deactivate early, which can prevent the child restraint system from securing properly. This part can be pulled out and back in by connecting the webbing to a retractor mechanism. The pretensioners do not activate in the event of a minor frontal impact, a side impact or a rear impact. An emergency locking mechanism selectively locks the spool against rotation. Available even as Holmbergs 2-Tooth Comfort retractable seat belt in our Off-Road seat belt system with the largest webbing capacity in the industry. The seat belt remains buckled and the lower seat belt webbing remains held. Apr 29, 2023 · The retractor has a locking mechanism that stops the spool from rotating when the car is involved in a collision. RRC-72-23-001-1: Inspect and Replace 1st Row RH Seat Belt Automatic Locking Retractor Sensor Rivian has decided that certain model year 2022 Rivian R1S and R1T vehicles fail to conform with Federal Motor Vehicle Safety Standard No. Dec 12, 2024 · The new e. Automatic Locking Retractor (ALR) If you used the lower LATCH connectors to secure the child seat to the car: Always check the owner’s manual to your vehicle and child car seat as they may have specific instructions regarding this issue. To lock the seat belt, pull down on the shoulder part of the belt until you have pulled all the seat belt webbing out of the retractor. This type of seat belt combines both an emergency locking retractor and an automatic locking retractor. Buckle means a quick release connector which fastens a person in a seat belt assembly. The cinching latch plate is designed to hold the lap portion of the seat belt tight when webbing is pulled tight and straight through a child restraint’s belt path. The Automatic Locking Retractor (ALR) mode automatically activates when the seatbelt webbing is fully extracted from the retractor and then allowed to retract. These types of seat belts are designed to keep the lap portion of the seat belt tight around the child restraint so that it is not necessary to use a locking clip. Oct 18, 2024 · Seat belt retractors employ an auto-lock function, particularly in the event of accidents. On the other hand, manual locking retractors (MLRs) require the occupant to manually pull and lock the seat belt into place. It ensures that the seat belt stays tight. Your hands get sweaty and oily, and handling the seat belts transfers that oil and moisture to the webbing of your seat belt. A spindle is connected to the frame and is permitted to rotate in a controlled fashion as a result of crash force acting on the frame whereby the frame remains undistorted. Dec 15, 2015 · Q: How do you engage automatic locking mode on the seat belts? Your seat belts can be set to vehicle sensitive mode, which allows the shoulder belt to extend and retract as you need it. A pretensioner does the job of tightening the seat belt webbing in some newer systems. A complete line of 2 Point, Automatic Locking Retractors (Type 1) and 3 Point Emergency Locking Retractors (Type II). Jan 19, 2012 · Automatic locking retractor (ALR) is another system that locks the spring loaded seatbelt reels at a set position. That will collect dirt that is then deposited in the retractor assembly when the seat belt retreats into the retractor. These retractable seat belts are not Nov 10, 2021 · Our 2 point retractable replacement seat belts are ALR & ELR & VSR Functioning Our 3 point retractable seat belts are ELR & VSR. The Although the seat belt retractor provides the same level of protection for seated passengers in either emergency or automatic locking modes, the emergency locking mode allows seated passengers to move freely in their seat whilst keeping some tension on the belt. Feb 23, 2024 · Dive deep into the world of seat belt retractors, their types, functionality, and maintenance. Learn more at MyAirbags. 208 “Occupant Crash Protection”. "Emergency locking” retractors lock only during a crash or sudden stop. If a passenger is seated in the front passenger seat and the seat belt automatic locking retractor is reporting “on This kind of safety belt will hold the safety seat tightly. Primarily used in forklifts, construction equipment and other off-road utility vehicles. Allow it to retract to the desired length. The Automatic Locking Retractor (ALR) function of the subject seat belt assemblies may deactivate before the webbing is fully retracted due to dimensionally out of tolerance ALR levers. An ALR type seat belt may be used in industrial vehicle applications such as mining, agricultural, earth-moving and forklift equipment. INTRODUCTION A seat belt retractor is a housing unit which contains differential structural integrity. Some seat belts only lock on quick maneuvering, sudden braking, or in a collision, some are locked all the time, and others are locked if the seat belt is at the correct angle against the carseat. If the seat belt becomes wrapped around a child’s neck with the ALR mode activated, the child can be seriously injured or killed if the seat belt retracts and becomes tight. 3 Point Seat Belt Measuring Guide Basic Function of an Emergency Locking Retractor in a seat belt - YouTube The Emergency Locking Retractor (ELR) allows the driver seat belt to freely extend and retract with occupant movement, yet locks the belt during a sudden stop or upon impact. These make sure the child seat remains tightly installed before a crash as well as during the crash. Allows a child safety seat to be installed with the seat belt without using a locking clip The Intelligent Key eliminates the need to use ________ Remote keyless entry to lock or unlock the doors An ignition key to start the engine Inertia-Locking Retractors lock when the internal centrifugal clutch senses a strong or sudden tug. Buckle the seat belt into the latch. ” Remedy Our made in the USA lap seat belts feature 7 panel webbing and meet or exceed all applicable Federal Motor Vehicle Safety Standards (FMVSS). This provides you with better security for child car seats and booster seats, and can be used in other situations as well. During a collision or sudden stop, the retractor automatically locks the belt to help restrain your body. (Autoliv) is recalling certain Automatic Locking Retractor (ALR) seat belt assemblies. While they’re somewhat the same, they work a little differently. The Automatic Locking Retractor (ALR) makes it possible to secure a child seat without using a seat belt locking clip. The assembly Volvo was the first automobile manufacturer to put three-point seat belts in their cars. A switch has a first position for activating the automotive locking mechanism in dependence upon a predetermined amount of webbing being wound off Apr 17, 2023 · There are two main types of seat belt retractors: emergency locking retractors (ELR) and automatic locking retractors (ALR). Adjustable Automatic Lock Retractor seat belts apply to most vehicle, car, truck, bus, vans, tractor, forklift and boat Product Specifications: The pretensioners help the seat belts to quickly restrain the occupants by retracting the seat belts when the vehicle is subjected to certain types of severe frontal collision or a vehicle rollover. The seat belts in the passenger seating positions are equipped with an Automatic Locking Retractor (ALR) to secure a Child Restraint System (CRS). There are two sorts of locking systems in common use today: BACKGROUND The Automatic Locking Retractor (ALR) function of the subject seat belt assemblies may deactivate before the webbing is fully retracted due to dimensionally out of tolerance ALR levers. Seems that you’ve activated the ALR function (Automatic Locking Retractor) which is used to secure child seats. was the Irving "Dynalock" safety device. SAFETY RECALLS-N630 & H378 SEAT BELT AUTOMATIC LOCKING RETRACTOR (ALR) Notes This defect does not impact the compliance or functionality of the seat belt assemblies for normal use by adult passengers or use of the LATCH system to secure child seats. Aug 3, 2024 · ELR is great for everyday use. Reports show that they save 13,000 lives annually. To activate the ALR retractor: Pull the shoulder belt all the way out. To securely hold child safety seats, all passenger seating positions are equipped with an automatic locking retractor (ALR) feature that, by fully extracting the seat belt (beyond the length needed for a typical adult occupant), locks the belt into place until the seat belt is unbuckled (see Installing Seat Belt Retained Child Seats). The Automatic Locking Retractor (ALR) is a common feature in many cars. ELRs lock the seat belt only during sudden deceleration or impacts, while ALRs lock the seat belt when pulled out to its full length. S belt retractor from ZF LIFETEC, replaces the 12 to 13 millimetre steel ball previously used with an electromagnetic coil that Jun 9, 2025 · The segment will show less growth during the forecast period due to less retraction force on seat belts and more OEMs' preference for automatic locking retractors and emergency locking retractors. Explore effective solutions for seat belt issues. The MSB responds to input from the vehicle allowing pre- and in-crash phase occupant protection. One of the limitations of a seat belt with only an ELR is that it cannot be used to hold a child seat in place. Automatic Front Shoulder Belt This belt automatically moves into position when the driver and front seat passenger close their doors with the ignition ON (II). This swinging motion activates the locking mechanism, preventing the spool from rotating and locking the seat belt in place. Feb 2, 2024 · Seat belts help you fight inertia during sudden braking. The seat belt assembly shall have either an automatic-locking retractor, an emergency-locking retractor, or an adjusting device that is within the reach of the occupant. All 3-point type seat belt retractors except the driver seat belt also have an Automatic Locking Retractors (ALR) mode. ALR's are mainly used with industrial or off road vehicles, they are not suitable for on-road use. You may need to lock your seat belt retractor or your carseat may have a built-in lockoff. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Crash Protection. But this spring can become stretched out, corroded or damaged over many years of use. If you try to pull it out further once set it will lock. The main A retractor for a seat belt includes a reel spring loaded so as to normally retract a seat belt section wound thereon. zbtz igpw kpgdq txlosoe ouvijg xgxt okmd bfyjy xrmeuld xkyo