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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 209/246 - Cut-offs and valves


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Means and methods wherein cut-offs or valves are associated
No. of patents: 23
Last issue date: 03/15/2011


NumberTitleIssue Date
7905357Product flow control apparatus for sorting
A product flow control apparatus for use in sorting of products, and particularly relatively small products. The apparatus includes a reservoir of products to be sorted, a flow-rate control passage at which a flow restrictor limits the flow rate of products passing ...
03/15/2011
7226011Stacker reclaimer method and apparatus
This invention provides an apparatus for handling bulk material as located at circular or linear storage site. More specifically, a reclaimer apparatus is described having a platform mounted on one or more wheel track assemblies arranged to roll on at least one rail...
06/05/2007
7219805Sieve screen level sensor
Sieve screen level sensing in a filtering apparatus (10) for filtering fine powder material (M) which includes a sieve (12) having a material inlet (24) and a material outlet (26), and a sieve screen (14) is disposed within the sie...
05/22/2007
7204164Apparatus for testing powder properties
The powder analytical apparatus of the invention includes a hopper that is connected to a controllable agitator by a separable link. The hopper has an exit port at its lower end that is at an acute angle to the axis of the hopper. A planar gate is mounted parallel t...
04/17/2007
7186390Brine maker
An improved brine maker includes a hopper having open upper and lower ends, a solids screen, and a receiving tank having an open upper end and closed lower end. The solids screen and receiving tank are pivotally secured to the hopper adjacent its lower end. The rece...
03/06/2007
7168569Vibratory screening machine for earth drilling installation
An oil and gas drilling installation having a drill rig with a bell nipple having an outlet at a predetermined elevation, a screening machine having a feeder and an angularly adjustable vibratory frame, a weir positioned between the feeder and the vibratory frame, t...
01/30/2007
6742657Integral dilute media/plant clean-up sump and pump
In a mineral preparation plant which receives a raw mineral feed and separates the raw mineral feed into a clean mineral and a refuse, an apparatus is provided for use therein. The apparatus retains dilute media which is formed as a by-product of the separation proc...
06/01/2004
6186333Method and arrangement for controlling a multi-phase screening apparatus
The invention relates to a method for controlling a multi-step screening apparatus (1), the method comprising controlling other accept, reject and dilution flows in relation to the flow measured in the accept channel (7a) of the first screening step (3a)....
02/13/2001
6129216Particle separation device and processes thereof
An article including; a support member with a plurality of apertures therethrough; and a plurality of gate members attached by at least one end to at least one side of the support member, wherein each gate member is situated in close proximity to at least...
10/10/2000
6024228Bypass diverter box for drilling mud separation unit
A bypass diverter box disposed upstream from conventional solids control equipment of a mud system of a drilling rig contains a drilling mud separation unit having a continuous-loop scalper screen that is driven in a continuous loop to separate, convey an...
02/15/2000
5897775Hopper having liquid permeable sidewalls and vacuum means to de-water and remove waste
Vacuum accumulator incorporating a vacuum vessel for communication with a suction conduit, and with at least one vacuum accumulator vessel interconnectable with the vacuum vessel via a stop valve, in turn connected to a vacuum pump for charging of said ve...
04/27/1999
5836456Discrete material washing apparatus
A discrete material washing apparatus comprises a structure mounting an elongate trough having an inlet and an outlet. A dished tray is mounted on the structure and shaped to feed into the inlet. The tray is to receive disposal of a cementitious mixture t...
11/17/1998
5524768Separator for the separation of fluidizable from non-fluidizable materials
A separator for separating two or more materials of which one or more consist(s) of a particulate, fluidisable material such as aluminum oxide, from a material which can not be fluidised such as nails, tools, coke, pieces of wood, and lumps of oxide. The ...
06/11/1996
5469971Method and apparatus for deagglomerating powder
An apparatus and method for deagglomerating powder which allows for the powder to be pressed immediately after being deagglomerated. The deagglomerating apparatus is preferably mounted on the powder pressing machine or shares the same housing with the pow...
11/28/1995
5292006Screening apparatus
A screening plant having a feed plate located between a grizzly grate and a conveyor driven by a hydraulic motor. A first source of fluid supplies hydraulic fluid to a first cylinder to open the feed plate and to a second hydraulic cylinder to swing the g...
03/08/1994
5190645Automatically adjusting shale shaker or the like
A shale shaker or the like comprises a hollow body having an inlet and an outlet. A screen is mounted generally horizontally in the hollow body between the inlet and the outlet. A motive assembly is operatively connected to the screen for repetitively mov...
03/02/1993
5082555Soil feeding apparatus and method
An improved soil feeder system in combination with a soil separating apparatus and method of controlling the feeding of soil material employing the soil feeder. The soil feeder apparatus including a hopper body having included walls and flat bottom surfac...
01/21/1992
4555330Method and apparatus for separating material
The method and apparatus for separating materials includes a feed splitting assembly (27) which evenly divides the materials to be separated into equal parts for inputs to a like plurality of screen assemblies (16, 17, 18). These inputs are evenly distrib...
11/26/1985
4411778Apparatus for screening grain or the like
An apparatus for cleaning grain and the like by gravity feeding through a casing having within it a central zig-zag chute with top-hinged screens resting across openings in each underside of each zig and each zag of the chute, the action of the grain itse...
10/25/1983
4276157Combination feeder and sifter
The disclosure relates to a combination feeder and sifter for particulate material. The apparatus includes a vertically elongated hopper for holding a bulk supply of the particulate material. A vibratory unit is positioned below the hopper and is movable ...
06/30/1981
4231861Grain cleaning apparatus
A grain cleaning apparatus having an upstanding housing with a grain inlet, at least one layer of screens disposed below the inlet and a foreign material receiving chamber disposed below the screen, with separate outlets for foreign material and cleaned g...
11/04/1980
4227997Mobile non-polluting cleaning and processing apparatus and method
A mobile vehicle having self-contained apparatus for classifying, cleaning and reconstituting granular or pelletized materials, such as catalysts used in chemical plants, without polluting the surroundings, is adapted to travel from plant to plant over co...
10/14/1980
4105544Gravel processing system
A gravel processing system, preferably of the portable type, utilizing a plurality of screens and conveyors wherein the particle sizes of the finished product may be accurately regulated, and readily varied. Two screen boxes are mounted upon a frame, each...
08/08/1978
 
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