Air release pneumatic load binder

Abstract

A mechanically actuated, air release, binding device adapted for use on trucks or trailers, commonly known as a load binder, comprises a horizontally aligned frame, truck air brake cylinder, lever arm and attachment connection. The air brake includes an internal piston and exposed drive shaft which are spring driven outwards from the cylinder. Application of compressed air to the cylinder drives the piston and drive shaft inwards, rotating the lever arm and providing a fully slack condition in binding straps or chains attached to the binder. Release of all or part of the cylinder compressed air draws in upon the lever arm rotating it to a full or floating binding condition automatically. A ratchet and pawl secured to the lever arm mechanically locks the binder and adjusts when the binder becomes slack due to load shift or transportation conditions. The pawl is fully released to permit the binder to provide full load strap slack for attachment or removal.

Dependencies are inferred from the claim text.