How do rim locks work

Make sure that you double-check the tube when installing the rim lock. Bad teeth Inspect the teeth, if they are bad, crushed, or missing, the rim lock will not seat correctly in the bead of the tire. Tiem to get a new rim lock. Stud separation Before installing the rim lock, make sure the locking stud has not separated from the rubber body of the rim lock. You will need to move the stud side to side to see this.

Make sure you give it a good inspection, as sometimes the tearing or separation from the rubber is subtle and easily missed. Tire movement An easy way to make sure the tire is not moving is mark the rim and tire in a few places with a vertical line using a marker pen. Ride the bike for a while and see if the lines are still all lined up.

Some settling in deviation is allowed, but a noticiable difference in the alignment of the marks means you have a problem and might need to replace the rim lock. Mounting hole size issues Sometimes the mounting hole in the rim is too big.

Loose rim locks are the number one reason for failed rim locks. Its basic design comprises a surface mounted box containing a deadbolt type of lock and a latch. Rim locks are easy to fit as they are fixed to the surface of the door rather than being mortice-set into the edge. There are three different types of rim locks - keyed lock, bathroom snib lock or deadlock.

Rim locks are the ideal choice for period properties or it you are looking for authentic vintage features for your home.

Rim locks have been found as early as the Medieval period. In later centuries, especially during the Renaissance period, these locks became a design feature and were intricately decorated. The locks today are based upon Victorian designs, and feature black or brass rim lock cases.

If your rim lock is not seated, your tire correctly is going to spin on the rim. This will cause your tube to tear at the valve stem, resulting in an instant flat tire and a ruined day of riding. To demonstrate just how secure a rim lock is, I cut out a section of an old tire. On my first try, I secured the rim lock hand tight, and I had to pry the tire sideways to get it off the rim.

The second time, I secured the lock like I normally would. The keys usually look like what we commonly refer to as skeleton keys. Second, a rim lock also has a sliding mechanism kind of like a deadbolt that will lock the door from the inside. This extra security feature means that if that sliding mechanism is locked in place, the door cannot be opened with the skeleton key. For that reason, unless you want to give someone the power to lock you IN a room, the rim lock needs to be installed on the inside of door so you can lock people out.

Rim locks used to be either right or left-handed depending on which way your door swung open. However, after manufacturers figured out how to make a reversible rim lock, which eliminated this pesky problem. Not a lot is written about this, but according to Wikipedia , rim locks are the oldest type of lock used in the U. I can personally attest that rim locks are still in use in Ireland.

We lived in Ireland for two years and our front door had a smaller rim lock. This house was built in the s. In this instance, there is no separate interior door knob on this door. The door is opened and shut from the inside with the knob on the rim lock.