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 |
| 6817821 | Wafer handling for a reflow tool The invention is an improved reflow tool for performing a reflow process on a wafer. An input robot may be used to transport wafers from an input carrier to an oven where a reflow process is performed. After processing the wafers in the oven, the wafers are transpor... | 11/16/2004 |
| 5976258 | High temperature substrate transfer module A system and method for processing a substrate. The system includes a substrate heating station, a processing station, a conveyor for transporting the heated substrate from the substrate heating station to the processing station and a conveyor heating sta... | 11/02/1999 |
| 5141379 | Continuous furnace for the heat-treatment of workpieces A continuous furnace for the heat-treatment of workpieces comprising an endless chain-like conveyer belt (18) consisting of a ceramic material and having a plurality of links (34, 34', 34", 34'"; 36, 36',36', 36""; 38, 38', 38") which are arranged one bes... | 08/25/1992 |
| 4823535 | Device for unloading X-ray film cassettes In a device for unloading X-ray film cassette a nozzle is provided, positioned at a front side of the cassette to be unloaded, for blowing air into a gap between a slightly open lid and the remaining part of the cassette. The nozzle is switched on for sho... | 04/25/1989 |
| 4811547 | Device for loading and unloading X-ray film cassettes In a device for loading and unloading X-ray film cassettes at least one air blowing nozzle is provided which is positioned at the front open end of the cassette below the film inserting rollers so as to generate an air cushion between the film being inser... | 03/14/1989 |
| 4744714 | Bin vibrating discharge device for surge or blending bins or the like A vibrating discharge apparatus for discharging particulate stored material from a surge or blending bin or the like, having a discharge end, a discharge apron defining an support surface near the bottom of the bin extending in a substantially horizontal ... | 05/17/1988 |
| 4740128 | Apparatus for discharging a reaction vessel A discharging apparatus for a large diameter, generally vertically walled reaction vessel in which a recessed dish or receiving structure having the same diameter as the reaction vessel is mounted beneath the lower discharge end of the reaction vessel. Th... | 04/26/1988 |
| 4715763 | Dry ash removal system A hopper for use in a dry ash removal system is structured with a front elevational profile which converges from top to bottom while the side elevational profile of same diverges from top to bottom to allow substantially uniform hopper cross-sectional are... | 12/29/1987 |
| 4661325 | Sterilization processing system for can-sealed products A system for sterilizing can-sealed products, stored in aligned groups in a carrying basket for sterilization, uses loading and unloading conveyors for the systematic loading and unloading of alternating groups of canned products and partition panels, int... | 04/28/1987 |
| 4481398 | Multi-directional oscillating breakoff mechanism for separating billets A conveyor for removing billets from an induction heating furnace and for separating them from following billets to which they may have become adhered employs a roller having a contoured surface. The roller is rotatably mounted about an axis skewed relati... | 11/06/1984 |
| 4445851 | Apparatus and method for firing ceramic articles or the like The present invention relates to an apparatus and method for the continuous firing of green ceramic articles, such as capacitors. In accordance with the invention a mixture of articles to be fired and heat resistant particulate matter in selected proporti... | 05/01/1984 |
| 4394217 | Apparatus for servicing coke ovens Apparatus for servicing coke ovens has a framework movable along the coke oven battery. A horizontally rotatable and vertically pivotable boom has one end mounted on the gantry and a coke oven work tool on the other. The framework includes a coke quenchin... | 07/19/1983 |
| 4149845 | Rabbles and material handling systems utilizing the same The rabbles of this invention have a concave active face. They are used in a system for processing material including, for example, a substantially circular and horizontal floor, and a rabble system disposed above, but adjacent to, said floor. The rabble ... | 04/17/1979 |
| 4074638 | Apparatus for agitating and removing non-combustible material from an incinerator An apparatus for agitating and removing ash and non-combustible materials from an incinerator. Waste material is thermally decomposed in a primary combustion chamber of the incinerator resulting in the generation of combustible waste gases which are fully... | 02/21/1978 |
| 4013186 | Tire press unloader A tire press unloader for use with a tire press of the standing bladder type which includes a vertically extensible elevator stanchion pivoted at its lower end at the back of the press and pivotally supporting a conveyor platform. When the press is opened... | 03/22/1977 |