Class 198/768 - By fluid means

Subclass of Class 198 - Conveyors: power-driven
Definition: Apparatus wherein said vibrating means is powered by a gaseous
No. of patents: 20
Last issue date: 01/29/2008

Number	Title	Issue Date
7322569	Linear drive for vibratory apparatus A two mass vibratory apparatus for processing work material includes a bed defining a transport surface for receiving the objects, an elastic amplifier having a first end connected to the bed and a second end, and a base connected to the elastic amplifier second end...	01/29/2008
7083042	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and at least one transport tray supported by the housing and operatively connected to the drive system. The drive system includes a seal-less pneumatic e...	08/01/2006
6880693	Conveyor motor having bellows A differential impulse conveyor having a conveyor motor which uses bellows to provide the driving force for the conveyor. The conveyor includes a housing within which is mounted the conveyor motor. The conveyor motor has a pair of bellows, a drive plate and a fluid ...	04/19/2005
6722492	Conveyor motor having bellows A differential impulse conveyor having a conveyor motor which uses bellows to provide the driving force for the conveyor. The conveyor includes a housing within which is mounted the conveyor motor. The conveyor motor has a pair of bellows, a drive plate and a fluid ...	04/20/2004
6609874	Handler for the transporting of flat substrates for application in the semi-conductor industry A handler for transporting planar substrates, in particular wafers, used in the semiconductor industry, between at least two stations. The handler includes a movable flat support arm for receiving a substrate and means for defining the location of the sub...	08/26/2003
6439374	Oscillating drive for resonance systems An oscillatory drive unit for use in an oscillating system to be oscillated substantially at the resonance point of the oscillating system, wherein the oscillating system includes a mass to be oscillated and a countermass to which the mass is connected by...	08/27/2002
6305524	Electronic bulk feeder for small assembly components In a feeder supplying assembly components to another machine, an electronic control device monitors a horizontal buffer zone. Pulses of compressed gas are intermittently employed to lift components upon detecting the absence of a component in a portion of...	10/23/2001
6237748	Oscillating drive for resonance system An oscillatory drive unit for use in an oscillating system to be oscillated substantially at the resonance point of the oscillating system, wherein the oscillating system includes a mass to be oscillated and a countermass to which the mass is connected by...	05/29/2001
6230875	Synchronized vibrator conveyor A vibratory conveyor capable of fluidizing particulate material is capable of separate control of direction, velocity and fluidization of material. The material is placed on a conveyor and vibrated by separate vertical and horizontal components of vibrati...	05/15/2001
5816386	Fluidizer conveyor A vibratory conveyor capable of fluidizing particulate material permits control of direction, speed and fluidization of the material. The material is placed on a conveyor and vibrated by a linear vibrator which provides horizontal and vertical components ...	10/06/1998
4787502	Apparatus and method for conveying material A vibrating conveyor for moving agglutinous particulate materials that pack into large accumulations which adhere to its surface, eventually blocking the conveyor pan, is cleared of such accumulations by placing a flexible hose along its bottom. A flexibl...	11/29/1988
4593603	Asymmetrically accelerated vibrator for feeding materials An asymmetrical vibrator is provided, which is actuated by compressed air. The vibrator operates in a case, which has two bores disposed parallel on opposite sides of the casing. One of the bores is smaller than the second bore and the piston operating in...	06/10/1986
4505380	Fluid pressure operated reciprocating conveyor A fluid pressure operated reciprocating conveyor in the form of a pan feeder comprises a base, an elongated conveyor trough reciprocably mounted on the base, a drive cylinder connected between the base and trough, a constant volume pump, a solenoid-operat...	03/19/1985
4424718	Air actuated rotary vibrator with resilient shock mount to provide linear movement This invention pertains to unidirectional vibration apparatus using resilient shock absorber mounting means to change multidirectional vibration into unidirectional vibration forces. Three embodiments pertain to the use of pressurized air for driving an e...	01/10/1984
4377310	Method of underground working of ore deposits and handling ore A distinction of the method is that, at the moment of release of ore, the ore flow in the zone of an outlet opening is divided into at least two parts by a vertical plane, and the ore flow is caused to swing transversely with respect to the direction of o...	03/22/1983
4256014	Piston vibrator A piston vibrator comprising a cylindrical housing having a chamber with a free floating piston therein. The free floating piston is axially moved by a pressurized medium. Piston amplifying structure is provided for regulating the effective mass of the pi...	03/17/1981
4239436	Warehousing apparatus for moving goods In a warehouse setup, individual items of goods are moved onto and off of storage shelves on a rack by a vibrating action. A movable carriage supporting a vibrator is positionable at the ends of a storage shelf so that the vibrator can be placed in engage...	12/16/1980
4194611	Vibrator for importing vibration to a working platform A vibrator operated by a fluid medium under pressure for the purpose of imparting vibration to a working platform carrying the material being handled. The vibrator comprises a base, a forward stroke chamber formed by a continuous seal situated on the side...	03/25/1980
4192419	Conveyor A conveyor having a frame, a piston and cylinder unit operable by means of pressure fluid and secured in the frame, a spring assembly for actuation of the piston, a holder mounted on the frame and reciprocable by means of the piston and cylinder unit and ...	03/11/1980
4168774	Vibratory apparatus This invention relates to a variable speed vibratory conveyor or feeder which comprises a material-carrying member mounted on isolation springs, and an exciter connected to the member by a spring system. The exciter carries a rotatably mounted eccentric w...	09/25/1979

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Class 198/768 - By fluid means