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 |
| 4047743 | Light walled conduit A light walled circular metallic conduit including a first conduit member and a second conduit member. An expanded section is at one end of the first conduit member and an end of said second conduit member is snugly telescoped within said expanded section... | 09/13/1977 |
| 4043576 | Threaded pipe coupling for smooth plastic joints A coupling for smooth pipe includes a housing, a sleeve nut threaded onto the housing, a gasket inside the housing and a thrust and locking ring structure within and between the housing and sleeve nut. The housing has a tapered inner surface to compress t... | 08/23/1977 |
| 4025093 | Pipe couplings and split rings used therein A split-ring for use in a pipe coupling comprises an outer conical surface defined by the top lands of a plurality of spaced axially-extending ribs formed on its outer surface. Also described is a pipe coupling comprising a housing for receiving one end o... | 05/24/1977 |
| 4018460 | Hose coupling A hose coupling for detachably connecting a hose to a threaded fitting such as the outlet of a faucet, a male hose coupling, or a pipe and having a nut type of a housing formed of a metallic shell containing a plastic liner which has threads for attachmen... | 04/19/1977 |
| 4007951 | Multi-way connector for hydraulic conduits A multipled fluid line connector for hydraulic conduit comprising two cooperating sockets and fixing means for attaching said sockets to one another. Each socket is provided with a grid plate having a plurality of orifices in which are fixed connecting me... | 02/15/1977 |
| 4005879 | Conduit joint Each section of a conduit has a male pipe thread formed on its outer wall surface at one end. The other end of each conduit section has a short length of decreased outside diameter extending axially inwardly with a decreased axial passageway through the r... | 02/01/1977 |
| 4000919 | Pipe coupler A coupler for effecting hermetically sealed pipe or conduit interconnection by slip fit and without the use of tools. A coupler body member and a screw-on nut compress therebetween the outer marginal frusto-conical portion of a spring metal locking ring h... | 01/04/1977 |
| 3999781 | Universal swivel hose coupling A universal swivel hose coupling which is adapted to be sealably connected to dissimilar externally threaded male fittings. The hose coupling includes a tubular stem having one end adapted to be received into the end of a hose and an opposite end having a... | 12/28/1976 |
| 3992043 | Tube fitting Disclosed herein is an improved tube fitting of the swage variety which employs a body part, at least one ferrule designed to slip around a tube, and a nut used to compress the ferrule against the tube and the body part and thereby form a leak-tight conne... | 11/16/1976 |
| 3986737 | Adapter An adapter for releasably coupling two tubular elements comprises a socket, a sleeve nut threadedly engaging the socket and an elastically deformable sleeve inserted in the sleeve nut. The socket consists of a smaller diameter and a larger diameter part, ... | 10/19/1976 |
| 3986730 | Pipe fittings The present invention relates to a pipe fitting comprising a cylindrical body, a radially deformable locking piece, a seal and a compression ring which is maintained fast with the body, while being free to slide axially with respect thereto. The ring defi... | 10/19/1976 |
| 3984130 | Pipe joint for an intermediate metal conduit Each section of an intermediate metal conduit with a constant diameter axial passageway has male pipe threads formed on its outer wall surface at one end. The other end of each conduit section has a short length of decreased outside diameter extending axi... | 10/05/1976 |
| 3957295 | Pipe coupling seal A pipe coupling device includes an externally threaded first tubular coupling element engaged by an internally threaded second tubular element provided with an outer axially bored end wall and an annular nylon sealing member entrapped between the second e... | 05/18/1976 |
| 3940843 | Method of forming an extension tube assembly An extension tube assembly is provided with a swivel coupling permitting selective angular adjustment thereof relative to a hand manipulated shut-off valve device of a compressed air sprayer unit, thereby to facilitate accurate "pointing" of a spray disch... | 03/02/1976 |
| 3938240 | Methods of providing a tube with a thread ring The plumbing assembly includes a tube having a free edge portion at which at least one inverted T-shaped projection is formed. The projection is located with its cross bar extending parallel to the free edge of the tube and the stem thereof extending from... | 02/17/1976 |
| 3931992 | Universal joint connector A connector construction employs a tail piece having a ball end, a socket element having a distendable end adapted to be snapped over said ball end and a coupling nut adapted to house the ball end and socket while threadedly engaging a pipe distal end to ... | 01/13/1976 |
| 3930377 | Ice transport system A conduit structure for use in an ice transport system consisting of a plurality of individual conduit members, the adjacent ends of which are interconnected by conduit couplings, the conduit structure being of the one-piece uniform cross-section construc... | 01/06/1976 |
