Jaw crusher unit
AssigneeExtec Industries PLC
InventorsTerence Bratton, Paul Douglas
Life of this patent
Estimating the term…
Abstract
A jaw crusher unit for use in crushing stone and other crushable material has a fixed jaw and a movable jaw which define a crushing zone therebetween. A drive mechanism coupled with the movable jaw operates to rock the movable jaw to and fro to crush material in the crushing zone. A link mechanism sets a space between the lower end of the movable jaw and the fixed jaw and thereby controls the discharge of crushed material from the lower end of the crushing zone. A removable wear plate is mounted on a mounting face of at least one of the jaws by a wedge arrangement coupled with a power-operated linear actuator. The linear actuator moves the wear place into and out of engagement with the mounting face to facilitate replacement of the wear plate.
Claims14
A jaw crusher unit for use in crushing stone and other crushable material and comprising:
- a fixed jaw and a moveable jaw which define a crushing zone therebetween,
- a drive mechanism coupled with the moveable jaw and operative to rock the moveable jaw to and fro in order to crush material in the crushing zone,
- a link mechanism connected to a lower end of the moveable jaw and serving to set any required space between the lower end of the moveable jaw and the fixed jaw and thereby control the discharge of crushed material from the lower end of the crushing zone, and
- a removable wear plate mounted on a mounting face of at least one of said jaws by a wedge arrangement coupled with a power-operated linear actuator which is operative in one direction to pull the wear plate into engagement with the mounting face in order to mount the wear plate on the jaw and which is operative in an opposite direction in order to move the wear plate away from the mounting face and thereby allow the wear plate to be lifted out of the crusher unit when it is required to be replaced.
Dependencies are inferred from the claim text.