Abstract: A two-layer map device for any given area has a first, base layer and a second, upper layer superimposed and secured by a pressure-sensitive adhesive layer. The upper layer is articulated into the primary areas of the map, so that individual states, or the like, can be peeled off, one by one, in any desired sequence, to reveal the corresponding, individual states, or the like, of a map on the under layer. The upper layer may be neutrally colored, and opaque, to cover a bright, multi-colored map on the lower layer, underneath, so that as an articulated element of the upper layer map is peeled off, a multi-colored picture of the same state or district will appear underneath. This provides a means for displaying the states or districts in sequence, to record travel, for example.

Abstract: A magnetically-actuated switch has a stationary mounting base to which a plurality of magnetically-actuated reed-type switches are secured in a layer parallel to the base. A moveable portion of the switch is pivotably mounted to the mounting base, and contains a plurality of magnets positioned to actuate the reed-type switches in any desired sequence. A second layer of magnetically-actuated, reed-type switches is positioned, parallel to the mounting base, below the above-mentioned layer, and additional magnets are added to the moveable portion, to supplement the existing magnets, and increases the magnetic field in certain portions of the moveable portion to effect the lower layer of reed-type switches.

Abstract: A solar heat collector uses elongated, tubular, outer casings, in a fixed position with respect to the solar orbit, surrounding inner tubular sections, carrying heat-conductive fluid. The outer casings are highly transparent and the walls of the outer casings are of substantial thickness and of a high refractive index to admit solar heat energy and to focus it on or towards the inner tubular sections or tubes that are of highly conductive material and have dark, heat-absorbing surfaces.One of the sides of the outer casings faces toward the sun. The other of the sides of the outer casings are coated with a highly reflective material to reflect any solar heat energy that by-passes the tubes, back to the inner tubes.Each of the casings is mounted in a substantially vertical plane, and the solar heat collector would normally consist of a plurality of such casings, or units, mounted side by side in a fixed plane approximately normal to the noonday, winter sun, or perpendicular to the sun's orbit.

Abstract: A tricycle having both front and rear wheel drives, for hand and foot motion respectively, includes a front wheel drive assembly that is adjustable with respect to the frame of the tricycle to position a hand crank in the optimum position for almost any user. A seat assembly is also adjustable with respect to the frame, and a rear wheel drive assembly is also adjustable with respect to the frame to make the tricycle adaptable to any handicapped child or individual, to give him the maximum use of his limbs; to exercise his limbs in the best therapeutic manner; and to allow for growth and changes and improvements in this muscular coordination.

Abstract: A device for marking opposite sides of a double-layer of materials for clothing or the like having a pair of tongs with an upper arm positioned between a transparent or translucent pattern and the upper layer of the material, and a lower arm positioned between the lower layer of the material and a work surface. A handle end of the tongs positions the opposing open ends of the tongs under the portion of the pattern being transposed onto the material. The top of the opposing open end of the upper arm of the tongs has an outer dot or point sharply contrasting with the surface of the outer end, and an inner marking substance or chalk secured precisely under the contrasting dot.

Abstract: A snow removing device has a scoop or shovel pivotably mounted at one end of a lever arm whose other end has a handle. The lever arm is mounted on a pedestal in such a manner that it can be pivoted in a horizontal plane to raise and lower the scoop by means of the handle, and pivoted in a vertical plane to move the scoop to one side or the other. The pedestal is mounted on a sled, with optional wheels, so that, with the scoop positioned in front of the sled, the device can be pushed forward until the scoop is full of snow. The operator can then lever up the load of snow, and rotate the scoop to one side or the other whereat a release catch can be actuated to drop the load of snow.

Abstract: Fishing lures are made by molding or casting in a two part mold. The lower part of a mold form is first filled with mold material, and a specimen of bait fish is partially embedded in this lower part of the mold, with suitable means for release of the bait fish if necessary. Appurtenances such as hooks, suitable to the lure, are also partially embedded in the lower part of the mold, at strategic locations along the bait fish, as is a metallic eye adjoining the head of the bait fish. Other devices for filling and venting the mold may also be added at this time. The upper part of the mold form is then filled with mold material on top of the bottom part -- with suitable means for separating the two parts if necessary -- until the bait fish and all of its appurtenances are completely covered. When the mold material is set, the parts are separated, and the specimen of bait fish and all of its appurtenances are removed.

Abstract: A magnetically-actuated switch has a stationary mounting base to which a plurality of magnetically-actuated reed-type switches are secured in a layer parallel to the base. A moveable portion of the switch is pivotably mounted to the mounting base, and contains a plurality of magnets positioned to actuate the reed-type switches in any desired sequence. A second layer of magnetically-actuated, reed-type switches may be positioned, parallel to the mounting base, below the above-mentioned layer, and additional magnets may be added to the moveable portion, to supplement the existing magnets, and increases the magnetic field in certain portions of the moveable portion to effect the lower layer of reed-type switches.

Abstract: Filters for treatment of jet fuels and light hydrocarbons include clay filter material to remove surfactants and other contaminants. One of the most common systems has a series of replaceable filter elements, each in the form of an elongated annulus, about 7 inches in diameter and about 18 inches long, where the fluids flow from outside to inside through the clay filter material. These fiter elements are stacked with one or more in series on a common collector tube for the filtered fluids. The unfiltered fluids are applied to the outside of the stacks of bags, and the filtered fluids are drawn out of the common collector.

Abstract: A device for floating one liquid on top of another for special effects in mixing drinks and the like includes a funnel-like upper cup portion with a large, upper end or opening to receive liquids and a smaller, lower end attached to and surrounding a shaft portion. Relatively small openings are provided between the lower end of the funnel-like cup portion and the shaft portion to allow a liquid to escape from the funnel-like cup portion, at a relatively slow rate, and run down the sides of the shaft. When the lower end of the shaft portion is immersed in another liquid, the liquid flowing down the sides of the shaft will meet and spread out over the surface of the other liquid, if the one liquid is less dense than the other liquid.

Abstract: Devices for covering up the effect of a pockmark in the outer layer of a safety glass windshield or the like include means for evacuating the atmosphere around the pockmark; sealing off the immediate area surrounding the pockmark; applying a highly-penetrating transparent liquid under pressure to the sealed area to force the liquid to penetrate the crevices of the fracture surrounding the pockmark. The transparent liquid fills the microscopic crevices surrounding the pockmark and then is hardened to make the pockmark permanently transparent and effectively invisible as one looks through the safety glass.

Abstract: A device of the "nunchaku" type, for one of the phases of martial art style of combat, has at least two elongated members with adjacent ends connected by a chain or the like, so that one of the members can function as a handle and the other can serve as a club or cudgel. The coupling point at each of the adjacent ends of the elongated members has a swivel assembly that includes a pivot bolt with a head that holds the center portion of a U-shaped swivel that is free to rotate about the pivot bolt. A pin extends through the side arms of the U-shaped swivel and through the lower loop of a clevis or shackle, that is free to move from side to side above the head of the pivot bolt. One or more links of a chain connect the upper loops of the clevises or shackles of adjacent elongated members.

Abstract: A can opener having at least two guide rollers or wheels positioned to moveably engage the underside of the lip around the top of a standard cylindrical tin can. These guide rollers are held in position by a main bracket that also holds a pivotably mounted cutter arm. The cutter arm includes a cutting device or wheel that is pushed through the top lid of the can just inside the outer lip when the cutting arm is depressed. When the cutting device has punctured the top lid of the can, the cutter arm is drawn around the periphery of the can, in one quick, easy motion to open the top of the can. The guide rollers hold the cutting device against the inside of the lip of the can and keep it penetrating through the top surface of the lid of the can throughout the operation.

Abstract: A work holder mounted on a catch pan or drain provides a flat grid to support an oil or grease carrying portion of a vehicle or the like. The flat grid is supported by and positioned centrally above the catch pan, which is substantially larger than the oil carrying portion of the vehicle. The catch pan is supported by a hollow central mounting tube through which any liquids collected in the pan may drain into a storage container for disposal in a routine manner. The storage container may support the mounting tube.