PUSH-PULL GLOSSARY

A conduit end fitting with external thread that provides a way to mount and adjust an assembly. It is typically assembled with jam nuts. Most adjusters are crimped to conduit but we can also provide one that is uncrimped, meaning it can rotate freely. In addition to models shown on our website, we can custom manufacture adjusters to meet your requirements.

The wire inside this type of conduit is flat which creates high flexibility. The flat wire is less crush resistant compared to round wire. This type of conduit is great for light duty applications such as a bicycle brake cable.

Rubber, accordion-like fitting that’s mounted in between the conduit and cable end fittings. It provides protection of dust, dirt or moisture from contacting inner cable assembly and mounted.

Round wire is spiraled like an extension spring. It’s heavier duty than bicycle conduit and more economical than long lay conduit. This type of conduit is widely used in industrial applications. Common examples include lawn mowers and snow blowers.

One feature that all clevis’ have in common is a U-shape end fitted with a clevis pin. One way to integrate a clevis on a push-pull control is to thread it on. In this case, the clevis must be tapped. Another way clevis’ are installed is with a ball or button end fitting to secure the clevis on the cable. This type of clevis is often called a strap fork or a strap clevis. In this case, the clevis can either toggle or pivot. When the ears of the strap clevis are straight, it can be referred to as an open strap clevis. When the ears taper toward each other, it’s referred to as a step strap clevis. If the ears of the strap clevis touch, it’s called a closed strap clevis or strap eye clevis.

Conduit is designed to have an inner-cable installed through it. Typically, the conduit has a plastic liner and a plastic cover with steel wire in between. We supply conduit specifically for mechanical cable applications. These include bicycle, bowden and long lay conduit.

An adapter plate that allows you to connect three push-pull controls together. Two controls connect on one side of the plate, while the third control connects from the opposite side of the plate.

The push-pull control is connected to a foot lever

Assembly The push-pull control is connected to a hand lever.

This term describes the wire, strand or cable that gets installed inside the conduit. Armor core is an innermember where a flat wrap of wire surrounds a wire strand for reinforcement. In some cases, an innermember can have a plastic jacket.

Longitudinally laid wires are inside this type of conduit. For high performance push-pull controls a binder wire is wrapped around the long lay wires. Advantages of long lay conduit include kink resistance and higher load capability which make it the best option for a push-pull control with demanding functional requirements.

If you want a conduit end fitting but don’t need an adjuster, we offer alternatives that include caps, ferrules, snap rings and grooves. We can also make you a conduit elbow. An elbow is usually used when a cable exits conduit at a 90-degree radius due to routing.

Brake conduit is not longitudinal, it’s a bowden style. They do not have a support tube, that is why they are not designed for pushing, hence ‘pull only’. You can incorporate a spring so it will return the assembly position.

Some conduit assemblies are designed for the inner-cable to be pulled (not pushed) during actuation. At the output end, there could be an adjustable fitting such as a wire stop. Also, the inner cable can be more flexible compared to a push and pull control. In this type of control, the inner-cable is returned to resting position either manually or with spring assistance.

A flexible assembly that can actuate with both push and pull motion without the inner-cable buckling. The inner-cable is guided through conduit and support tubes for assisting the push motion. Typically, the ends of the inner-cable have end rods with UNF thread.

The assembly has a support tube on both sides. Meaning the assembly can be pushed from either direction.

The inner cable goes through the hole on the body of the wirestop and the set screw gets tightened into place. They are compatible with both solid and stranded wire. Wire stops are designed to be field installed on one side of a pull control.