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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| Number | Title | Issue Date |
| 7284550 | Burn pot for furnace A method of combusting a fuel in a burn pot includes forming an ash column within the burn pot, and removing a portion of the ash column. The burn pot includes a first sidewall portion, a second sidewall portion, and a translatable plate interposed between the first... | 10/23/2007 |
| 6941878 | Advanced vitrification system 2 A melter for the vitrification of waste, and method of using the melter, in the form of a disposal canister, wherein the melter is capable of filling multiple disposal canisters of waste and subsequently of being filled with vitrified waste and disposed of in like m... | 09/13/2005 |
| 6830000 | Automatic firepot cleaning system Embodiments are shown of a floor opening and/or closing system for pellet stoves and other solid-fuel combustion devices with ash-dumping floors. The system uses a cam system wherein a cam member automatically moves to urge the ash-dumping floor open and/or closed, ... | 12/14/2004 |
| 6199491 | Refuse incinerating oven A refuse incinerating oven includes a refuse loading car, and a furnace body with lower and upper combustion chambers. The car is conveyed through the furnace body such that refuse loaded on the car can be ignited in the lower combustion chamber. The comb... | 03/13/2001 |
| 6082442 | Apparatus for removal and cooling of ash from the bed of a fluidized bed furnace A floor (2) of the device communicates with one or more ash-extraction pipes (3) associated with a semi-cooled conveyor. The conveyor is a drag conveyor (5) that travels over a semi-cooled floor (12) inside a housing (4). Several such semi-cooled floors a... | 07/04/2000 |
| 5799595 | Wet ash remover installation A wet ash remover installation includes a first wet ash remover (5) which is placed in operating position under an ash funnel (2) of a boiler and a second, similar, movable wet ash remover (12) placed in reserve position. The wet ash removers (5, 12) resp... | 09/01/1998 |
| 4606282 | Self feeding wood burning stove In the stove, pluralities of elongated logs are stacked on top of one another, substantially on parallels to a generally horizontal axis, to form a pair of sloping, single-log-wide, axially extending stacks of the same which are spaced apart but converge ... | 08/19/1986 |
| 4604019 | System for removing solids from a solids upflow vessel An apparatus for removing solids from a solids upflow vessel, preferably an upflow retort, which includes a horizontally reciprocatable carriage containing a vertical feed cylinder that extends downward from a horizontal seal plate. A vertically reciproca... | 08/05/1986 |
| 4440097 | Ash-removal conveyor for a coal-fired boiler A ash-removal conveyor used in combination with an ash-quenching trough has a drive wheel above and spaced from the trough, horizontally spaced reversing and guide wheels in the trough below the liquid level therein, and an endless conveyor chain spanned ... | 04/03/1984 |
| 4433978 | Fluidized bed gasification ash reduction and removal system In a fluidized bed gasification system an ash removal system to reduce the particulate ash to a maximum size or smaller, allow the ash to cool to a temperature lower than the gasifier and remove the ash from the gasifier system. The system consists of a c... | 02/28/1984 |
| 4098586 | Grate for coal gasifier Symmetrical stepped grate/rabble arm combinations for use in a fixed bed coal gasifier are shown in which the stepped grates comprise step plates having in combination threwith means for controlling the rate of discharge of solids therefrom. The solids di... | 07/04/1978 |