Images are shown of Safer Locks installed on a wheelchair with upholstery removed to clearly show operation.  

Never sit into or use a wheelchair without the seat and/or back installed!

Safer Locks are 100% bolt-on; meaning that no drilling is required and can easily be removed if necessary.


The Safer Automatic Wheelchair Lock automatically locks the wheelchair wheels when a person's weight is lifted from the seat of the chair. So, by default, they are in the locked position until the time that weight is applied by the user.


This is how we are able to ensure that each and every time the wheelchair is unoccupied the wheels will be locked until the time that the user has safely transferred into the wheelchair.


As seen to the right; anytime the user is not in the seat, spring tension paddles mounted on both sides of the chair move upward, allowing the wheel lock pin to engage into one of sixteen holes drilled into our wheel hubs, instantly locking the wheels from moving in either direction. (Positive Locking)


Safer Automatic Wheelchair Locks Engaged
Safer Automatic Wheelchair Locks Disengaged

The moment a safe transfer takes place and the user is sitting back into the seat of the wheelchair, the weight of their body depresses both paddles. This disengages the wheel lock pin from both wheel hubs as seen to the left, allowing the wheelchair to roll as it normally would.


By design, Safer Locks make unoccupied wheelchairs immobile at all times; which created a secondary problem to figure out: How to roll the wheelchair when it is not in use.


To solve this issue, overrides were added to the handles on the wheelchair; allowing a simple way for caregivers to disengage the locks and easily roll an empty chair.


The wheelchair also retains all normal operation, including the ability to continue folding the chair while using Safer Locks.


The material used in Safer Automatic Wheelchair Locks was developed by one of America's top corporations, DuPont.

The plastic material used in the locks include Zytel nylon, a component that is strong, durable, and slides easily against itself and metal without lubrication. Even when exposed to water, Zytel will never corrode.


All hardware is stainless steel and zinc, allowing Safer Locks to be washed using any cleaning method without the risk of rust or corrosion.


Images below show the fit, craftsmanship, and quality materials of every Safer Automatic Wheelchair Lock Kit that we build.

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United Plastic Molders, Inc.

© 2019 Safer Automatic Wheelchair Wheel Locks, a division of United Plastic Molders, Inc., 105 E. Rankin Street, Jackson, Mississippi 39201