Abstract: A hydraulically driven, two-wheeled pedicab constructed with an enclosed cockpit for inclined positioning of a solo rider. The pedicab includes a reciprocating piston pump hydraulically connected to a hydraulic, rotary motor for powering at least one of the wheels, and, a power reserve having a rotary converter for selectively converting hydraulic fluid energy into a stored, compressed gas potential energy, the stored energy being selectively cycled into fluid energy when desired for assisting in the propulsion of the pedicab.

Abstract: Circuit for triggering an electrical signal for actuation of an electrical mechanism. The circuit includes a switch means for producing an electrical pulse and a means for reversing the current flow upon receipt of such electrical pulse both connected in series. Direction of flow of the current indicates either a closed circuit or readiness for triggering an electrical signal upon a circuit break.

Abstract: A high pressure positive displacement gradient pump for two flowable materials utilizing two reciprocating pistons with the pair of pistons pumping in an overlapping reasonably pulse free manner. The gradient of the two flowable materials is created by adjustment of the stroke of each piston. Streams for the pair of pistons are combined and mixed in a mixing chamber. A third pair of pistons may deliver the mixed stream at high pressure to the desired location.

Abstract: A fastening device for the connection of two bodies having aligned openings therein utilizing two members having facing inclined surfaces and projections engaging the lip of an opening such that an impact force creates a wedging action resulting in firmly securing the two bodies.

Abstract: An expansion-contraction joint for coupling a pair of relatively movable members separated transversely one from the other. The joint accommodates limited relative displacements of such members of a type that may be induced by thermal changes therein, seismic disturbances, shifting of certain underlying soils owing to changes in the moisture content thereof, etc. A typical environmental use for the joint is between adjacent concrete pads such as those forming the plaza about a multiple-story building, and those forming the floor surfaces of relatively long or sprawling buildings. The joint includes a plurality of elongated, longitudinally extending runners that are transversely spaced and have resilient pads interposed therebetween to which they are bonded to form a self-sustaining sandwich-type integer therewith and includes a sealant layer interposed therebetween on top of the transversely spaced resilient pads.

Abstract: A handle-rung module adapted to be secured to a mounting surface to provide a handle and/or rung which is recessed and substantially flush with the mounting surface, the module is installed in a rectangular aperture in the mounting surface and is constructed to retain a closed surface when secured in the mounting surface, the module includes a longitudinally extending inwardly projecting segment having the arcuate contour of a longitudinal segment of a cylinder wall, with end walls contoured and connected to the ends of the inwardly projecting segment, and a longitudinally extending cross member centrally spanning the inwardly projecting segment and connected to the end walls, the cross member being adapted to provide a grip or step and the inwardly projecting segment being adapted to provide a recess for receiving the knuckles of a clenched hand or the end of a foot.

Abstract: A spiral antenna circuit having as a principal active element a continuously scaled logarithmic spiral circuit originating substantially from a center point to a point of coupling with a matching continuous inverse logarithmic spiral circuit terminating at a predetermined incremental radius from the center point.

Abstract: A tape dispenser for use with a conventional tape roll, the tape dispenser has a finger grip piece insertable within the core of tape roll and a cover piece pivotally engageable with the holding piece for adjustably encompassing part of the periphery of the tape roll, the cover piece is contoured to be gripped with the holding piece to position the cover piece against the periphery of the tape roll for dispensing tape pulled from the roll at a controlled tension, and, the cover piece includes a projecting dispensing end with a tape guide and cutting edge for guiding and severing tape pulled from the tape roll.

Abstract: An article bag for convenient storage of articles such as magazines, writing materials, games, and the like, the bag is formed of two washable cloth flaps supported in saddle fashion over a bed rail, the flaps have a plurality of storage pockets or compartments and include fasteners for fastening the flaps of the bag together to maintain a narrow profile by the interfastening of the flaps, the article bag is constructed to allow convenient bedside access to articles in the compartments on each side of the bag.

Abstract: A floating wharf structure has a plurality of adjacent arranged interconnected float units, each float unit comprising an enclosed substantially rectangular shell structure. A device for interconnecting the float units comprises flange structures projecting from the sides of the float units having horizontal top and bottom mounting surfaces which cooperate with upper and lower stringers mounted respectively against the top and bottom mounting surfaces of the flange structures. These stringers extend longitudinally along a portion of the flange structures of at least two adjacent float units. Fastening devices vertically extend through said flange structures and the upper and lower stringers for securing upper stringers, flange structures and lower stringers together in compression.

Abstract: An abrasive cleaning tool for underwater cleaning of fouled hull bottoms, swimming pools and the like; the cleaning tool has a connecting arm for attachment to an elongated handle, a head assembly to which a contoured wire screen, coated with a particulate abrasive, is attached; the head assembly includes a supporting surface for the wire screen having ridge elements for displacing the screen from the supporting surface for flushing action on the screen during use.

Abstract: A set of tongs for grasping material utilizing a pair of jaws and a pair of handles correspondingly affixed to the jaws. The handles include hand grips on the ends distal from the jaws and are removably pivoted to one another. The jaws have a plurality of tines with lateral extensions to reduce the space between the tines. In addition, the tines may include inward protrusions to stabilize the material grasped by the tongs.

Abstract: A portable bed canopy adjustable for any size bed, the canopy includes four floor mounted support posts which are spring loaded to engage the ceiling for substantially rigid support of the lightweight canopy elements. The support posts include height adjustable brackets which support upper and lower circumferential curtain rods. A canopy with a depending cloth valance is supported on the upper curtain rod and a circumferential floor length curtain is suspended on the lower curtain rod, thereby enclosing said bed.

Abstract: A drill sight for visually estimating the angle at which an electric hand drill is oriented relative to the surface drilled, the drill sight is mounted to the top of the electric drill and has a tubular casing with a hollow bore with internal wall markings and with a cross hair at one opening. By projecting a line of sight normal to the surface drilled and through the cross hair to a selected wall marking, the orientation of the drill can be determined.

Abstract: A bicycle safety device which indicates not only the presence of a bicycle but the minimum distance that should be maintained by other vehicles in passing the bicycle; the safety device includes a vertical member attachable at its bottom end to the frame of a bicycle and a horizontal member attached to, and cantilevered from, the top end of the vertical member, said horizontal member having a marker at its distal end to indicate the recommended minimum distance other vehicles should maintain from the bicycle when passing.

Abstract: A test connector for checking electrical circuits of a vehicle or the like, such as the circuits between a truck and a towed trailer or between two sections of a semitrailer highway vehicle, including an elongated dielectric body enclosing a plurality of indicator lamps visible through lenses on an indicator panel having indicia thereon identifying the particular circuits. Male or female contacts from the vehicle may be plugged into a mating electrical connector for coupling each of the lamps into a corresponding electrical circuit to be tested. An electrically conductive hook extends from the body to provide a means for supporting the connector to the vehicle and an electrical ground connection between the test connector and the vehicle.

Abstract: A cabinet for enclosing the faucets of a bathtub having a spring loaded latch requiring an operating force of sufficient magnitude to prevent small children from operating the cabinet and operating the faucets.

Abstract: A retainer device for refrigerators in mobile vehicles such as campers, trailers, motor homes and boats to prevent articles on the refrigerator shelves from inadvertently and suddenly displacing by motion of the vehicle particularly when the door of the refrigerator is opened, the retainer device comprises a pair of adjustable support members horizontally mounted in a spaced, parallel arrangement across the open front of a refrigerator, the support members have a plurality of interconnecting bands of preferably elastic material vertically positioned against the refrigerator shelves when the article retainer is installed, the interconnecting bands having a plurality of bands of preferably less elastic material horizontally arranged across the vertical bands forming a grid to retain articles on the shelves within the refrigerator.

Abstract: An animal trap for small animals, such as mice, rats, squirrels, and the like, the trap includes an enclosure over which is arranged a bait compartment with two oppositely-facing tilting bottom panels, each panel being mounted on a pivot in the bait compartment with a base edge having a counterweight, a magnetic means, and a spring mechanism on one side of the pivot positioned proximate to the pivot and with a facing distal edge on an opposite side of the pivot and spaced from the pivot. Two ramps arranged on opposite sides of the bait compartment lead from a ground surface to the base edges of the tilting bottom panels to provide an apparent continuous passage through the animal trap. The counterweights balance the panels, the magnetic means is adapted to retain the panels in a horizontal position with a predetermined force, and the spring mechanism is constructed to return the panels to the horizontal position after tilting.

Abstract: An apparatus and method for continuously metering the vapor pressure of a gaseous component of a material within a gaseous mixture utilizing a saturation vapor pressure sensor having a linear dimension changeable with respect to changes in the saturation vapor pressure of the material, a relative humidity sensor having a linear dimension changeable with respect to changes in the relative humidity of said gaseous mixture, and a means to contrast the linear dimension of one of said sensors to the linear dimension of the other, the resultant value representing the vapor pressure of said material.