Patent ID: 7198138

Claim:
An automatic and manual slack adjuster assembly for vehicle braking system, said brake adjuster assembly comprising: (a) a lever housing accommodating a worm-wheel means having a splined bore to receive a camshaft, said worm-wheel means comprising a worm in functional relationship with a wheel; (b) a worm shaft having a ratchet cylinder portion enmeshed in said worm at right angle to the axis of the wheel; (c) a pawl positioned over the ratchet cylinder portion of the worm shaft inside a machined guideway in the lever housing; (d) a leaf spring located on one end of the machined guideway pressing down the pawl; (e) an actuator rod linked to the pawl inside an actuator guide, opposite to the end of the machined guideway, providing linear motion to the pawl, the actuator rod connecting to an end connector, said end connector being connected to a clevis by means of a first clevis pin, and the clevis attached externally to the lever housing by a second clevis pin, and (f) a force exerting means connected to the clevis for providing a necessary force wherein a tooth position of the pawl is off-set from a center line of the ratchet cylinder so that the tooth does not engage the ratchet cylinder for a predetermined angular movement of the brake adjuster assembly.