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 |
| 4685973 | Reclamation of foundry sands A used foundry sand, especially one which has been bonded using sodium silicate binder, is reclaimed by agitating the sand with water in a plenum chamber having a suspended floor comprising a porous membrane, stopping the agitation and allowing the solids... | 08/11/1987 |
| 4623795 | Irradiating device An irradiation device for directing radiation onto a substance in a desired wavelength range for curing the substance, and particularly for use in curing substances on the teeth of dental patients. A light-emitting lamp assembly is located within a plasti... | 11/18/1986 |
| 4612968 | Method of casting using expendable patterns A method of casting a metal article in a mould box comprises locating an expendable pattern in the box, the pattern having a gas permeable refractory coating thereon, placing and compacting unbonded particulate material about the pattern and supplying mol... | 09/23/1986 |
| 4602621 | Manually actuated, self contained penile implant A self-contained penile prosthesis comprising at least one cylinder for implantation in the penis and including a front tip section, an intermediate section, and a rear tail section. The intermediate section includes a tubular chamber which is inflatable,... | 07/29/1986 |
| 4578588 | Volume reduction in liquid scintillation counting A volume reducer for liquid scintillation counting is adapted to be used with an outer scintillation-counting vial and includes an elongate member adapted to be inserted into the vial. The elongate member has a bottom surface and a peripheral side surface... | 03/25/1986 |
| 4574869 | Casting mould, and cavity former and sleeve for use therewith A cavity in a body of particulate moulding material has at least one rib-like formation for gripping an object received in the cavity. In the case of a metal casting mould a riser sleeve (1) is inserted into a cavity (9) in the top part of the mould and t... | 03/11/1986 |
| 4561511 | Torsion load cell An electronic scale used for weighing an object or material. The scale includes a platform arranged to move upon receipt of a material thereon. The device further includes frame means, a variable capacitor having a first and a second plate, torsional spri... | 12/31/1985 |
| 4553615 | Rotary drilling bits A rotary drilling drag bit for drilling from the surface deep holes in sub-surface formations e.g. for oil has a body (4) with a diameter of at least 100 mm and having a bore for passage of drilling fluid to its face (3) and rotatable cutting elements (6)... | 11/19/1985 |
| 4552540 | Swimming pool exercise device A buoyant vest for use in a swimming pool. The vest is made of a buoyant material. The vest has first vest loops attached adjacent the shoulder portions. The vest also has second vest loops attached adjacent the waist portion thereof. Adjustabe security l... | 11/12/1985 |
| 4544043 | Electronic scale with counterbalance An electronic scale used for weighing an object or material. The scale includes a weighing platform arranged to move upon receipt of a material thereon. The device further includes support means, a variable capacitor having a first and a second plate, spr... | 10/01/1985 |
| 4534158 | Packaging machine A packaging machine for forming pouches from a continuous web having confronting sections adapted to provide opposed walls of the formed pouches. The machine includes sealing means for sealing the opposed bag walls together in longitudinally spaced-apart ... | 08/13/1985 |
| 4524840 | Electronic scale with non-parallel capacitance means An electronic scale device used for weighing an object or material. The device includes a platform arranged to move upon receipt of a material thereon. The device further includes variable capacitance means arranged to move upon receipt of a material ther... | 06/25/1985 |
| 4519464 | Weighing scale with adjustable suspension and thermal compensation A scale used for weighing an object or material. The scale includes a platform arranged to move upon receipt of a material thereon, frame means, a variable capacitor having a movable plate and a stationary plate, springs means which is coupled both to the... | 05/28/1985 |
| 4519779 | Orthodontal electrical device and method of employing same An orthodontal electrical device for assisting in the repositioning of a tooth in the mouth of a patient is attached directly to the tooth to be repositioned to thereby cause anodic and cathodic electrodes thereof to move automatically relative to the gin... | 05/28/1985 |
| 4489843 | Tamper-evident closure and container Tamper-evident closures include a threaded cap and a tamper-evident ring removably connected to each other by break-away tabs adapted to break when the cap is rotated in a direction to remove it from a cooperating container. The cap and ring have cooperat... | 12/25/1984 |
| 4474573 | Knee sleeve A sleeve adapted to be placed over the knee, said sleeve being configured to anatomically conform to the thigh, knee and upper calf. The sleeve comprises a resilient elastomeric foam sheath having a fabric covering, with the elastomeric foam being adapted... | 10/02/1984 |
| 4316541 | Moisture impervious cover sheet for unit dose packaging A barrier sheet for securement to the cover sheet of a multi-compartment medicinal dispensing device to render the cover sheet impervious to moisture. The device also includes a base to which the cover sheet is secured. The cover sheet includes plural clo... | 02/23/1982 |
| 4193160 | Solder evacuation unit A solder evacuation system for removing molten solder from multiple holes in a printed circuit board. The system comprises a hollow cup assembly adapted to contact the printed circuit board. The cup assembly includes a resilient mouth adapted to contact t... | 03/18/1980 |
| 4091579 | Scraper A grill and griddle scraper comprising an elongated shaft having a working end, an intermediate portion, a hand grasping end and a barrier wall interposed between the working end and the intermediate portion. The grasping end includes a handle having a po... | 05/30/1978 |
| 4020556 | Air driven dental handpiece An air driven dental handpiece comprising a hollow handle and a turbine housing mounted at one end thereof. The turbine housing includes a rotor having rotor blades with arcuate recesses formed therein. An air supply line is positioned within the handle a... | 05/03/1977 |
| 4017974 | Handpiece with adjustable water spray Improved means for directing an atomized water spray at the tip of a bur in a dental handpiece irrespective of the length of the bur. The means comprises a water carrying tube terminating at a free end adjacent to the bur and directed at the bur at a firs... | 04/19/1977 |
| 4015489 | Dental handpiece and wrench therefor A dental handpiece and a wrench adapted to be used in combination with the handpiece for securing a dental bur in the handpiece. The handpiece includes a turbine housing, a rotor shaft and a collet threadedly secured in the rotor shaft. The wrench has a p... | 04/05/1977 |
| 4015335 | Collet wrench In combination, a turbine driven dental handpiece and a collet wrench therefor. The handpiece includes a rotor having a shaft, and a collet is threadedly received within the shaft. A dental bur is adapted to be inserted in one end of the collet, and the o... | 04/05/1977 |
| 4010251 | Scanning agent composition and use in imaging liver and for biliary function A composition to be used in a method for imaging liver and for biliary function, the composition comprising a scanning agent that is combined with a radioisotope. The scanning agent is preferably a glycoprotein whose glycosidic side chains terminate in a ... | 03/01/1977 |
| 4004493 | Bullet proof garment An improved design in bullet proof garments consisting of an armored layer between a nylon fabric inner layer and an outside cushion layer of material, the armored layer consisting of an assembly of small metal plates bent either into U-shaped or N-shaped... | 01/25/1977 |
| 3982621 | Vending machine A vending machine adapted to dispense commodities at two different prices while utilizing a single coin slot for the insertion of money. A plurality of plungers are provided, with each plunger adapted to dispense a commodity from an associated column. The... | 09/28/1976 |
| 3960039 | Collet wrench A collet wrench adapted to place a predetermined force on a collet threadedly secured in a dental handpiece. The wrench comprises a frame and means on the frame for securing the rotor shaft against rotation. A shaft is rotably mounted in the frame, and ha... | 06/01/1976 |
| 3947966 | Dental handpiece and wrench therefor A dental handpiece and a wrench adapted to be used in combination with the handpiece for securing a dental bur in the handpiece. The handpiece includes a turbine housing, a rotor shaft and a collet threadedly secured in the rotor shaft. The wrench has a p... | 04/06/1976 |
| 3946490 | Lubrication system for dental handpiece An air driven dental handpiece comprising a handle and a turbine housing mounted at one end thereof. The turbine housing includes a rotor having rotor blades and ball bearings for rotatably mounting the rotor. A port is formed in the handle, which is in f... | 03/30/1976 |
| 3946652 | Dispensing spoon A spoon for individually brewing a beverage upon immersion and subsequent stirring of the spoon within a liquid, such as water. The spoon comprises a handle portion and a bowl portion having an upper wall and a bottom wall spaced therefrom. The walls defi... | 03/30/1976 |
| 3944033 | Bag handle A bag handle is provided which includes fastening elements for holding the handle elements together for ease of carrying. In addition, pivotable securement means for holding the handle to the side walls of the bag are provided which comprise a pair of mol... | 03/16/1976 |
| 3941917 | Electrical junction box assembly An electrical conduit assembly comprises a box having at least one limb formed of synthetic resin and for receiving an end portion of a wire or a so-called "pot" connected thereto, and a compression ring, the limb having an integrally formed external male... | 03/02/1976 |
| 3939618 | Foundation assemblies for building structures Foundation assemblies for buildings comprising sill means and a wall plate connected thereto. The wall plate serves to support a plurality of elongated half-stud members on which vertical wall panels are mounted. In one embodiment of the invention, the sill pl... | 02/24/1976 |
| 3931775 | Automatic button feeder An automatic button feeder is provided which comprises an orientation station for receiving buttons in sequence, a sewing station at which a button is sewn and an injecting arm for moving the button from the orientation station to the sewing station. The ... | 01/13/1976 |
| 3931930 | Variable spray apparatus and method A spraying apparatus and a method for spraying a liquid in a pattern which can be adjusted without stopping the spraying operation. The apparatus comprises a pair of nozzles, each including an orifice providing a liquid stream therefrom. The nozzles are m... | 01/13/1976 |
| 3931455 | Breather cap with baffle In an electrical cable having an impervious sheath thereabout defining a space between the cable and the sheath, a breather cap assembly is provided to enable the space between the cable and the sheath to be in free communication with the ambient atmosphe... | 01/06/1976 |
