Bizarre Patents
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 |
| 4395076 | Bearing design for drill bit A bearing construction for a rotary earth boring drill bit is constructed of a bearing journal and a cutter rotatively mounted on the bearing journal, the bearing journal having a generally cone-shaped bearing wall formed by a plurality of steps comprised... | 07/26/1983 |
| 4388073 | Device for pivoting the knife in its longitudinal axis and for adjusting the knife depth on knife folding machines A device for pivoting the knife in its longitudinal axis and for adjusting the knife depth on knife folding machines having a coupling and brake unit disposed between drive motor and knife drive, for the upwards and downwards movement of the knife bar gui... | 06/14/1983 |
| 4357930 | Heating system for fireplaces A system for heating the air in the room containing a fireplace includes a heat exchanger mounted at the top portion of the combustion chamber of the fireplace to extend across the chimney flue opening and a fan for circulating room air through the heat e... | 11/09/1982 |
| 4351391 | Heat exchanger for water pumping system A heat exchanger for cooling engine coolant is arranged to use the main pump water flow as the cooling medium, is located on the suction side of the main pump, and is constructed of a finned casting with fins extending from a tubular portion of the castin... | 09/28/1982 |
| 4337830 | Pump assembly A pump assembly for use in fire fighting service is constructed of a single stage main pump and a two stage booster pump connected in series with the discharge of the main pump being connected to a first high flow rate fire fighting application and to the... | 07/06/1982 |
| 4335731 | Device for oral hygiene care A disposable device for cleaning teeth is composed of a flexible, soft honeycombed sheet. Bristles composed of integral fibers extend outward from the exposed surface of the sheet. The sheet is secured over the finger which is used for massage of the user... | 06/22/1982 |
| 4334786 | Process and mechanism for evolutive pulp flow regulation The present invention is concerned with regulation of evolutive pulp. It offers a regulation process and mechanism, said mechanism including an elastic shape-changing pneumatic valve, valve opening control means, and modulating means causing a variation o... | 06/15/1982 |
| 4314434 | Utility line support structure A utility line support structure having a pair of legs extending upwardly with respect to the ground in an H frame, the legs being made of structural elements having a web, a pair of side walls extending at right angles from a break line between the web a... | 02/09/1982 |
| 4312822 | Continuous production of building elements having cellular cores A method of forming, in two steps, panel, or shaped article, by first providing a bath of fluent cementitious material under a core of cellular, preexpanded and cohered polystyrene cells or pearls, having a density less than that of the cementitious mater... | 01/26/1982 |
| 4311440 | Pump A vacuum pump adapted to be used as a priming pump comprising a pump assembly and a motor assembly both of which are secured to a mounting head located therebetween. The motor assembly includes a housing and a motor shaft extending a substantial extent fr... | 01/19/1982 |
| 4300297 | Ticket A self-wicketing ticket is provided by a tag, one side of which is coated with a pressure sensitive coating covered by a backing, the backing being removable to expose the pressure sensitive coating, and means on said tag to provide a wicket. The wicket p... | 11/17/1981 |
| 4295670 | Quick-disconnect cam locking safety coupling A quick-disconnect cam locking safety coupling has a hollow male plug having an external peripheral groove. The plug is received in a socket. The socket has a pair of opposed openings opposite the peripheral groove. A gasket seals between the male plug an... | 10/20/1981 |
| 4288263 | Process for making plaster board The present invention is concerned with manufacturing board from a fluid evolutive product, such as a plaster and water mixture. The process comprises pouring upon a conveyor a fluid evolutive product, such as a plaster and water mixture, contained in sto... | 09/08/1981 |
| 4283952 | Flaw detecting device and method The method and apparatus of the invention simultaneously induces the same variable frequency mechanical vibrations in a test part and a standard. The vibrations of the two are converted to signals which are either displayed for comparison purposes or auto... | 08/18/1981 |
| 4281562 | Universal adaptor linkage A universal adaptor linkage for connection between the transmission and the shift or linkage rod associated with the gear selector lever of an automobile comprising a lower linkage portion having at least one hole therein for selective connection to the s... | 08/04/1981 |
| 4280640 | Integral double-wall container An integral double-wall container, made of a synthetic plastic, for handling bulk materials such as liquids and powder, and adapted to be lifted and moved by means of a forklift truck. An integral one-piece double-wall hopper bin for dispensing liquid and... | 07/28/1981 |
| 4274830 | Colored medicinal tablet, natural color pigment and method for using the pigment in coloring food, drug and cosmetic products A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the ta... | 06/23/1981 |
| 4267608 | Prosthetic joint A prosthetic joint has first and second implant members opposed to each other, each having a shank for implantation in a bone of a finger, wrist, or elbow. The implant members have opposed arcuate portions that are images of each other. A pair of flexible... | 05/19/1981 |
| 4265411 | Paper roll backstand A backstand for unwinding a roll of paper comprising a pair of chocks adapted to enter opposite ends of a core of a roll of paper and rotatably support the paper roll, a housing supporting each chock, a worm connected to each housing for moving the chocks... | 05/05/1981 |
| 4257710 | Continuous process mixing of pulverized solids and liquids and mixing apparatus The invention deals with continuous process mixing of pulverized solids and liquids. It offers a mixing process comprising: continuously introducing a liquid into a mixing container; continuously introducing a solid powder into said container at such a rate th... | 03/24/1981 |
| 4250755 | Pipette A pipette has an elongated body having a bore extending to the opposite ends thereof. A tube is secured to one end of the body. A plunger extends through the body with one end extending into the tube to draw liquid into the tube and discharge it from the ... | 02/17/1981 |
| 4246691 | Traction device The traction device of the invention is for use with a vehicle wheel supported by lugs and having a tire. The traction device has a base with openings for the reception of at least two but less than all, the lugs for supporting the base. A plurality of sp... | 01/27/1981 |
| 4227614 | Packages A package comprising a cylindrical plastic tube closed at each end by an ultrasonic band seal. The seal at one end has a sealed region which is narrower than any portion of the other seal whereby squeezing of the package produces an immediate one-shot dis... | 10/14/1980 |
| 4227611 | Package A package comprising a tube of flexible material having a first and second end, a first ultrasonic seal extending transversely across the tube and closing said first end, a second ultrasonic seal extending transversely across the tube and closing said sec... | 10/14/1980 |
| 4220273 | Device for separating a microscope slide into two separate sections A device for separating a microscope slide into two separate sections has a arm mounted on a horizontal pivot carrying a downwardly extending glass cutter. A releasable member maintains the arm in an elevated position. A slider advances a microscope slide... | 09/02/1980 |
| 4211424 | Centrifugally compensated seal for sealing between concentric shafts A seal for sealing between a hollow outer shaft and an inner shaft concentric with the outer shaft has a seal ring with a plurality of segments extending around the inner shaft. The seal ring has an outer circumferential face confronting the inner surface... | 07/08/1980 |
| 4211402 | Game and exercising device, method of exercising, and method of playing a game A game and exercising device has a longitudinal substantially rigid body having a pair of ends with a pair of spaced and opposed handles at each end of the body. The handles lie in substantially the same plane and are rigidly fixed with respect to each ot... | 07/08/1980 |
| 4211023 | Picture frame A picture frame is comprised of a corner clip for each corner of a rectangular picture assembly, each corner clip including a pair of legs joined at a vertex portion and extending at right angles to one another. Each leg has an end portion extending aroun... | 07/08/1980 |
| 4209282 | Pump assembly A pump assembly for use in fire fighting service is constructed of a single stage main pump and a two stage booster pump connected in series with the discharge of the main pump being connected to a first high flow rate fire fighting application and to the... | 06/24/1980 |
| 4209256 | Liquid flow viewing cell and method for analyzing liquid stream The invention is for a method for analyzing a stream of liquid such as blood and apparatus for carrying out the method. While it is known to present a moving column of liquid in a viewing cell, control of the circumference of the column to control its fie... | 06/24/1980 |
| 4209189 | Self-wicketing ticket A self-wicketing ticket is provided by a tag, one side of which is coated with a pressure sensitive adhesive covered by a backing removable to expose the pressure sensitive adhesive. The tag is provided with a wicket providing means formed by a strip port... | 06/24/1980 |
| 4205538 | Miniature school ring top with beveled bezel In school jewelry such as school rings, bezel ring top keys, and ring top charms used as souvenirs and prom favors, a school ring top is provided having a beveled bezel and a stone with a faceted pavilion. The school ring top closely simulates the appeara... | 06/03/1980 |
| 4205408 | Boat hull and method of forming same with fibrous stamp elements A building element useful in constructing plastic boat hulls and methods of making the element. The building element includes a plurality of glass fibers in the form of roving which are substantially parallel to each other, a resin binding the glass fiber... | 06/03/1980 |
| 4194080 | Utility line support structure A utility line Y support structure having a tubular pole adapted to be erected to extend upright from the ground, a pair of Y arms extending upwardly and outwardly from the top of the pole, connector means connecting the bottom of the Y arms to the top of... | 03/18/1980 |
| 4186686 | Prosthetic spur for fighting cocks A prosthetic spur for fighting cocks made of aluminum and provided with a socket adapted to fit onto an existing stump of the fighting cock where its natural spur would grow and having a pointed arcuate shape.... | 02/05/1980 |
| 4181335 | Push release door opener A push release door opener for aluminum storm and screen doors having a push handle comprising a lightweight, inexpensive aluminum push rail with a C-shaped cross-section with top and bottom grooves forming a track and having a first and second end, an ad... | 01/01/1980 |
| 4179141 | Branch connection fitting A cylindrical branch connection fitting has an end adapted to be welded to a main pipe adjacent an opening therein with a pair of opposed ears and a pair of opposed crotches and a weld bevel extending outwardly from the inner edge of said end. A transitio... | 12/18/1979 |
| 4176753 | Hanging file support frame A hanging file support frame has a pair of file folder support rails and four corner fittings mounted on legs. Each corner fitting has a bottom wall, a rear wall and a flexible top wall forming a first opening for the reception of one end of a rail. The t... | 12/04/1979 |
| 4174951 | Furnace heating system A system for heating a furnace having a heating chamber defined by furnace walls is provided with a plurality of individual burner assemblies mounted on a furnace wall to direct heating gas streams into the heating chamber, each of the burner assemblies i... | 11/20/1979 |
| 4172445 | Storage tank heater A tank heater for a storage tank is provided with a fuel fired burner assembly, a heat transfer tube extending from the burner assembly a substantial longitudinal extent within the storage tank for the transfer of heat to the contents of the storage tank ... | 10/30/1979 |
