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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 |
| 5611200 | Linear hydraulic actuator with adjustable output speed A linear hydraulic actuator has a reciprocating pump which provides pressurized hydraulic fluid contained in a reservoir to a hydraulic cylinder in which slides a piston which supplies the actuator output. A diverter valve in flow communication with the p... | 03/18/1997 |
| 5611201 | Stirling engine A Stirling engine having multiple mutually parallel cylinders which operate in a double acting cycle configuration. The engine includes a drivecase having a rotatable driveshaft coupled to the pistons which is mounted within the cylinder block. The cylind... | 03/18/1997 |
| 5611202 | Turbocharged internal combustion engine In a turbocharged internal combustion engine having at least two exhaust gas turbochargers arranged in parallel, each including a turbine connected by an exhaust conduit to the engine exhaust to be driven thereby and a compressor connected by an air suppl... | 03/18/1997 |
| 5611203 | Ejector pump enhanced high pressure EGR system An exhaust gas recirculation system for an internal combustion engine by which a portion of exhaust gases produced by the engine is recirculated from an exhaust line of the engine into an intake line of the engine introduces the EGR exhaust gas flow into ... | 03/18/1997 |
| 5611204 | EGR and blow-by flow system for highly turbocharged diesel engines A gas flow network in combination with a highly turbocharged diesel engine for the blending of either EGR gas or blow-by gas from the crankcase vent with fresh charge air is disclosed. In the diesel engine assembly which incorporates the flow network for ... | 03/18/1997 |
| 5611205 | Apparatus for igniting a propellant charge in a tool A tool for driving a nail or other fastener is actuated by a caseless propellant charge formed of combustible material that is transported into a combustion chamber on a strip. The propellant charge is ignited by striking a sensitizer portion of the charg... | 03/18/1997 |
| 5611206 | Butter storing and conditioning device A butter storing and conditioning device which maintains butter at a desired temperature to keep the butter cool enough not to melt and warm enough to easily spread. The device includes a housing which covers the butter while placed upon a butter dish res... | 03/18/1997 |
| 5611207 | Cryogenic interface for perpendicular loading of independent measurement inserts A cryogenically efficient interface which enables the quick loading of completely configured Independent Measurement Inserts in a direction perpendicular to the temperature gradient of a cryogenic cooling source. An air lock and precooling means provide a... | 03/18/1997 |
| 5611208 | Modified cryogenic diffusion pump The present invention relates to a pumping device which is suitable for pumping mixtures of gases at cryogenic temperatures which is a combination of a cryogenic diffusion pump and a thermal gradient barrier diffusion pump. Specifically, the pumping devic... | 03/18/1997 |
| 5611209 | Dehumidifier A dehumidifier which vaporizes water separated from gas is disclosed. Relatively hot and humid air is cooled and dehumidified by a refrigerating passageway. Water separated from the hot and humid air is drained into a drainage container via a draining pip... | 03/18/1997 |
| 5611210 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes... | 03/18/1997 |
| 5611211 | Refirgeration system with electrically controlled refrigerant storage device An energy-efficient refrigeration system includes an electrically controlled refrigerant storage device that is coupled to the refrigeration system to selectively receive refrigerant from and dispense refrigerant to the operating loop of the refrigeration... | 03/18/1997 |
| 5611212 | Refrigerator dual air flow control mechanism A control mechanism for simultaneously supplying air to a refrigerated compartment in two separate air streams includes a housing having an inlet communicating with first and second outlets. A first valve seat interconnects the inlet and first outlet and ... | 03/18/1997 |
| 5611213 | Cryogenic freezing system for rubber crumbs and other materials A cryogenic freezing system having a cooling tunnel with an inlet end, an outlet end and a floor therebetween, a tank for a liquid cryogenic material and with an inlet end, an outlet end, and a floor therebetween, a first conveyor for moving crumb materia... | 03/18/1997 |
| 5611214 | Microcomponent sheet architecture The invention is a microcomponent sheet architecture wherein macroscale unit processes are performed by microscale components. The sheet architecture may be a single laminate with a plurality of separate microcomponent sections or the sheet architecture m... | 03/18/1997 |
| 5611215 | Receiver drier A receiver drier includes a case having one open end and a closed end, and a cover member fixed to the open end of the case by welding to close the open end. A liquid refrigerant suction pipe is arranged in an inner space of the case and extends from a po... | 03/18/1997 |
| 5611216 | Method of load distribution in a cascaded refrigeration process A process, apparatus and control methodology for transferring loads between drivers in adjacent refrigeration cycles in a cascaded refrigeration process has been developed thereby enabling more efficient driver operation. Load transfer is effected by cool... | 03/18/1997 |
| 5611218 | Nitrogen generation method and apparatus A method and apparatus for generating nitrogen from the separation of air in a single column nitrogen generator. Nitrogen rich vapor is condensed to form reflux through the vaporization of an oxygen-rich liquid stream produced as column bottoms. The vapor... | 03/18/1997 |
| 5611219 | Air boiling cryogenic rectification system with staged feed air condensation An air boiling dual column cryogenic rectification system for producing lower purity oxygen wherein a portion of the feed air is used to reboil the lower pressure column and then is partially condensed in a vertically oriented stage within the lower press... | 03/18/1997 |
| 5611221 | Double action agitator assembly An agitator assembly for a fabric washer includes an agitator body having an elongated agitator barrel and a plurality of vanes extending radially outwardly from one end of the agitator barrel. An auger tube is telescopically mounted over the agitator bar... | 03/18/1997 |
| 5611222 | Reducing workpiece thickness A method of and apparatus for reducing the thickness of (or skiving) regions of sheet material workpieces, e.g. shoe upper components, involves feeding a workpiece 14 to a band knife (4) and, in advance of said knife, applying pressure to the workpiece 14... | 03/18/1997 |
| 5611223 | Fast access electronic locking system and method of using same A security apparatus for attaching a portable unit to be protected to a supporting surface. The security apparatus includes a normally deactivated passive locking unit, which is activated by an electronic key unit, which is portable and moved adjacent to ... | 03/18/1997 |
| 5611224 | Handle operable rotary latch and lock A slam-capable rotary latch employs a single rotary jaw that is releasably retained in its latched position by a rotary pawl, with the latch having a pair of spaced housing side plates that sandwich the rotary jaw and the rotary pawl, with the side plates... | 03/18/1997 |
| 5611225 | Breakaway cylinder head A mechanical lock is provided which prevents forced rotation of the cylinder when a mated key is not present in the key slot. The lock includes a cylinder rotatably supported within a sleeve. The cylinder defines a longitudinal axis and a keyway disposed ... | 03/18/1997 |
| 5611226 | Lockset A lock assembly including a locking cylinder having a keyhole into which a key can be inserted, a lighting system for dispersing light energy in the area of the keyhole, including an L.E.D. light source, and a battery operated circuit for repeatedly opera... | 03/18/1997 |
| 5611227 | Handleset with thumb piece and rack A handleset having a half round spindle for operating a latch assembly when rotated from a neutral orientation, a cylinder lock having a key operated cylinder assembly which rotates a round spindle, a driving pinion mounted for rotation on the round spind... | 03/18/1997 |
| 5611228 | Pressing tool A pressing tool for coupling elements includes a forked receiver, a clamping claw which is interchangeably held in the receiver by a connecting pin, and a drive motor for the activation of the clamping claw. The connecting pin can be inserted through hole... | 03/18/1997 |
| 5611229 | Abuse indicator for excessive handle loading A crimping tool comprises a pair of handles, cooperating metal jaws, dies, and/or die nests positioned at one end of the handles, and in alignment with each other, to receive a connector therebetween. Strengthening metal links and bolts secure the coopera... | 03/18/1997 |
| 5611230 | Structure and method for compaction of powder-like materials Structure and a method for producing very dense bodies of material from particulate materials. A particulate material is placed within an electrically conductive container. A solenoid or coil encompasses the electrically conductive container, and a large ... | 03/18/1997 |
| 5611231 | Modular base can processing equipment An apparatus for performing reshaping operations on a can, with the apparatus being modular in construction. The modular construction allows for the easy add-on of additional processing stations for performing additional reshaping operations to the cans. ... | 03/18/1997 |
| 5611232 | Method and arrangement for manufacturing hot rolled steel strip from continuously cast input stock A method of manufacturing hot rolled steel strip from continuously cast input stock in successive work steps includes adjusting strip-shaped input stock after solidification to hot rolling temperature and introducing the input stock into a multiple-stand ... | 03/18/1997 |
| 5611233 | Transmission unit for driving two shafts lying essentially parallel Transmission unit for driving two parallel shafts, at least one shaft being movable at right angles to its lengthwise direction, for example for a rolling mill (1). In this case each shaft (8, 11) is provided with a crown wheel (14, 15) which meshes with ... | 03/18/1997 |
| 5611234 | Process for modifying the section of a railway rail and rail thus obtained The process consists in increasing the height of the rail to the detriment of the thickness of the web (16) and of the flange (18). Firstly, the thickness of the upper part of the web (16) below the head (14) is reduced by machining and, next, the rest of... | 03/18/1997 |
| 5611235 | Power distribution mechanism in a stamping and forming machine and method A stamping and forming machine is disclosed having two operating modules with their drive shafts rotationally coupled together. Each module of the machine includes a punch assembly and a mating die assembly that reciprocate horizontally toward and away fr... | 03/18/1997 |
| 5611236 | Crimping tool with means to keep jaws parallel A tool for crimping a compression sleeve onto a pipe includes support arms [50] that rotate about fixed pivots [68], and which each carry a slidably mounted crimping jaw [52] that is supported by the associated arm [50] for rotational movement of the jaw ... | 03/18/1997 |
| 5611237 | Bending tool A novel tool and method for making the tool for bending roofing material having uniformly spaced support ribs. The bending tool has a channel for bending roofing material having uniformly spaced support ribs. The dimensions of the channel height and lengt... | 03/18/1997 |
| 5611238 | Apparatus and method for automatic charging of a machine for characterizing mechanical and/or geometrical properties of staple fiber samples An apparatus and a method automatically charge a machine for characterizing mechanical and/or geometrical properties of staple fiber samples. The apparatus includes a plurality of clamping strips each having a plurality of clamps for receiving fiber sampl... | 03/18/1997 |
| 5611239 | Microwave point instrument with self-test circuit A microwave point level instrument is adapted to detect level or change of products in a storage vessel. The instrument includes a microwave transducer periodically developing a pulse of microwave energy. A microwave bridge is driven by the transducer for... | 03/18/1997 |
| 5611240 | Level detector A level detector includes a level detecting capacitor, an oscillating circuit, and an amplifying circuit. The level detecting capacitor includes a pair of continuously extended electrodes separated by a predetermined distance and disposed at a predetermin... | 03/18/1997 |
| 5611241 | Integral welded sight glass for boilers A sight glass assembly (1) is provided which is securable to a pressure vessel (V). The sight glass assembly includes a body (3) having top, bottom, front, back, and side walls defining a chamber (25) which is in fluid communication with the interior of t... | 03/18/1997 |
