Abstract: A dual mode exhaust muffler for the engine of a vehicle that may be shifted between a quiet mode and a loud mode. A single muffler, a dual transverse muffler with two independent exhaust flow streams, and a dual transverse muffler with a combined exhaust flow stream embodiments are disclosed. An inlet tube may be a solid wall tube to minimize sound attenuation in the loud mode. The dual transverse muffler embodiments utilize an exhaust flow path that passes out through a reticulated wall of one tube and passes into a reticulated wall of a second tube. A vacuum switch having a two position on/off slide actuator may be used with any of the muffler assemblies.

Abstract: The travel trailer includes a chassis having wheels and a trailer body attached to the chassis. The trailer body includes sidewalls, a front end wall, a rear end wall, a roof, and a floor. The sidewalls, end walls, roof, and floor form an internal living space of the trailer body. A slide-out area is slidably extendable outward from the trailer body. The slide-out area is extendable from a retracted position received substantially within the trailer body to an extended position extended outward from the trailer body. The slide-out area has a roof, sidewalls, a bottom wall, and a front end wall. The front end wall of the slide-out areas is adapted to seal against the trailer body in the retracted position.

Abstract: The travel trailer includes a chassis having wheels and a trailer body attached to the chassis. The trailer body includes sidewalls, a front end wall, a rear end wall, a roof, and a floor. The sidewalls, end walls, roof, and floor form an internal living space of the trailer body. A slide-out area is slidably extendable outward from the trailer body. The slide-out area is extendable from a retracted position received substantially within the trailer body to an extended position extended outward from the trailer body. The slide-out area has a roof, sidewalls, a bottom wall, and a front end wall. The front end wall of the slide-out areas is adapted to seal against the trailer body in the retracted position.

Abstract: The travel trailer includes a chassis having wheels and a trailer hitch for towing the travel trailer. The travel trailer further includes a trailer body attached to the chassis defined by sidewalls, a front end wall, a rear end wall, a roof, and a floor. The sidewalls, end walls, roof, and floor form an internal space of the trailer body. A slide-out area is slidably extendable outward from the trailer body. The slide-out area is extendable from a retracted position received within the trailer body to an extended position extended outward from the trailer body. The slide-out area includes a peaked roof, sidewalls, a bottom wall, and a front end wall. The front end wall includes a flange extending around the perimeter thereof. A sealing gasket is attached to the flange to face the trailer body for sealing against the trailer body in the retracted position of the slide-out area.

Abstract: Top and bottom rails for an outdoor railing system, include a plurality of equally spaced recesses defined in a side of the rails into which spindle ends are fitted. Each of the recesses comprises a multi-sided configuration having an open side defined through an inward edge of the rails so that spindles having a complimentary shaped end can be pressed into the recesses from the sides of the rail.

Abstract: Top and bottom rails for an outdoor railing system, include a plurality of equally spaced recesses defined in a side of the rails into which spindle ends are fitted. Each of the recesses comprises a multi-sided configuration having an open side defined through an inward edge of the rails so that spindles having a complimentary shaped end can be pressed into the recesses from the sides of the rail.

Abstract: The travel trailer includes a chassis having wheels and a trailer hitch for towing the travel trailer. The travel trailer further includes a trailer body attached to the chassis defined by sidewalls, a front end wall, a rear end wall, a roof, and a floor. The sidewalls, end walls, roof, and floor form an internal space of the trailer body. A slide-out area is slidably extendable outward from the trailer body. The slide-out area is extendable from a retracted position received within the trailer body to an extended position extended outward from the trailer body. The slide-out area includes a peaked roof, sidewalls, a bottom wall, and a front end wall. The front end wall includes a flange extending around the perimeter thereof. A sealing gasket is attached to the flange to face the trailer body for sealing against the trailer body in the retracted position of the slide-out area.

Abstract: Top and bottom rails for an outdoor railing system, include a plurality of equally spaced recesses defined in a side of the rails into which spindle ends are fitted. Each of the recesses comprises a multi-sided configuration having an open side defined through an inward edge of the rails so that spindles having a complimentary shaped end can be pressed into the recesses from the sides of the rail.

Abstract: An outdoor railing system has a plurality of spindles attached between upper and lower rails. Each rail includes a plurality of equally spaced recess configurations defined along the length thereof in the inwardly disposed surface for receipt of the spindle ends. Each of the recess configurations includes a first multi-sided recess having a first size and a second multi-sided recess defined within the first multi-sided recess. The second multi-sided recess is of a smaller size than the first recess for anchoring spindles having a correspondingly smaller end size.

Abstract: A weedless fishing lure that does not have an exposed hook until a sufficient tension is placed on the line. The lure comprises a body having an aperture therethrough and at least one channel. A fishing line extends through the aperture and is attached to the shank of a hook. The hook is placed into a channel changing the direction the line runs from that in the aperture so that the line in the channel runs in the opposite direction than that in the aperture. The tip of the hook may be placed in the aperture or in a separate channel. Using this configuration, the hook will be dislodged from the body if sufficient tension is placed on the line.

Abstract: A refrigeration system control apparatus for use with an ice bank for sequentially cycling a refrigerator compressor on and off based on sensed conditions. The system includes a first temperature probe located a first distance from a refrigerator evaporator coil and a second temperature probe located a second, greater distance from the refrigerator evaporator coil. A programmable controller monitors temperature outputs from the first and second temperature probes and turns on and off the refrigerator compressor based upon a rate of change of the temperature difference between the sensed temperatures of the first and second probes.

Abstract: More nearly consistent quality of the coatings formed by contacting a zinciferous surface with an aqueous liquid treatment composition comprising water, transition metal cations, and fluorometallate anions, and, optionally, acidity adjustment agents can be achieved by (I) measuring the pH value of and the concentrations of transition metal cations and of fluorometallate anions in the treatment composition as it is used, (II) removing a specified fraction of the treatment composition from contact with the remainder of the treatment composition, and (III) adding one or more suitable replenisher compositions to the treatment composition, in order to maintain the measured pH and concentration values within specified ranges.

Abstract: A copolymer having an RSV less than 0.6 and a process for its preparation in which ethylene, at least one other 1-alkene and, optionally, an aliphatic or alicyclic polyunsaturated monomer are polymerized in the presence of a catalyst system containing (1) a compound of vanadium, (2) at least one alkyl aluminum halide, (3) an .alpha.-halo, ketoaromatic promoter and (4) a chain transfer agent in which the molar ratio of alkyl groups of the alkyl aluminum halide to halogen atoms is at least 1.5.

Abstract: This invention drives a piezoelectric element by transferring energy from one element 5 to another 6 by way of an intermediate inductor 4. Additional energy is obtained from an energy source 1 to make up for internal losses and for the work performed by the piezoelectric elements. The energy is transferred as needed by switches which are operated by a controller for proper timing of energy transfer between the elements and energy boosts from the energy source.

Abstract: The invention addresses both the seismic and electromagnetic emissions requirements in the area of the frame where the upright frame members and the top frame member and base frame member are interconnected. To this end, the top frame member has two offset extensions on each end which interlock with interior surfaces of the upright frame members by projecting through notches in the upper portion of the upright frame members. The upright frame members and the top frame member are then welded together and the other outer surfaces of the welded members are ground flush to provide smooth continuous planar electromagnetic interference (EMI) gasket mating surfaces. An additional reinforcing offset member is positioned against and along each end of the top frame member in the area which engages the interior wide flange portion of each of the upright frame members. These additional reinforcing offset members project through notches in both the top frame member and the corresponding upright frame members.