Patent ID: 7322569
Filing Date: 2008-01-29
Classification: B65G

Abstract:
1. A two mass vibratory feeder apparatus for transporting work material, the apparatus comprising: a bed defining a transport surface for receiving the work material; an elastic amplifier having a first end connected to the bed and a second end; a base connected to the amplifier second end; and a pneumatically operated linear actuator mounted on the base and having a housing and a reciprocating mass slidably disposed inside the housing, wherein the reciprocating mass is isolated from mechanical connection to any component outside of the housing and the housing and base are supported solely by the elastic amplifier, the reciprocating mass being responsive to pneumatic fluid pressure supplied to the actuator, wherein the pneumatic fluid pressure is controlled to generate a linear vibratory force that is amplified by the elastic amplifier thereby to move the bed in a vibratory motion and convey the work material along the transport surface in response to the vibratory motion of the bed.