Abstract: A ceiling structure which comprises a plurality of mutually parallel, mutually spaced apart, hollow, metallic and longitudinal members formed of a plurality of longitudinal segments in end to end relation, a plurality of metallic transverse members having inwardly facing surfaces, and terminally secured to the longitudinal members and extending therebetween to form a grid-like structure including open spaces and having electrical continuity throughout its longitudinal members, and being adapted to receive insulated electrical cables disposed within at least some of the longitudinal members, junction plates fastened on opposite sides of the longitudinal segments at their ends, joining same together in end to end relation, attachment flanges on the junction plates, a pair of connector ribs, fastened on opposite inwardly facing, surfaces of the transverse members at their ends, and dimensioned to fit around respective attachment flanges and interlockable therewith in self-supporting relation, locking clip means

Abstract: The invention comprises a method and a device for locating, isolating and by-passing a defective electrical device in an electrical circuit, and comprising sensing current and voltage at a first point in such circuit, on one side of such device, whereby the current and voltage are not significantly altered by the sensing process, sensing current and voltage at a second point in such circuit, on the other side of such device, whereby the current and voltage are not significantly altered by the sensing process, comparing such currents and voltages as between such two points, creating a control signal responsive to such compared currents and voltages, and, isolating such device from such circuit, and thereafter re-establishing such circuit whereby to by-pass such device, in response to a control signal of predetermined characteristics.

Abstract: A hand tool comprising, a base panel, defining upper and lower surfaces, forward and rearward edges and two ends, a ridge formation extending generally upwardly from the forward edge of the base panel, the ridge formation including a front panel having a lower edge, first trough-defining member extending forwardly from the front panel, the first trough-defining member defining an upwardly directed trough and including an upwardly and forwardly directed first lip, a generally upwardly and rearwardly directed wall member extending from the rearward edge of the base panel, second trough-defining member extending generally rearwardly from the upper edge of the wall member, the second trough-defining member defining a downwardly directed trough and including a downwardly and rearwardly directed second lip, and, first stop members extending downwardly from the end of the base panel.

Abstract: A manually operable resuscitator bag of one-piece construction having a generally elongated football shape, an inlet at one said end, and an outlet at the other end, fold-rings in each end portion having walls of reduced thickness, whereby the ends may be telescoped, ridges of thickened wall section between the fold-rings, the center of the bag having a wall thickness equal to the thickness of said ridges in the tapering ends between the fold-rings, and longitudinal ribs formed on the outer surface of the center of the bag spaced around the circumference, providing increased resiliency and a rapid recovery for the shape of the bag.

Abstract: A portable dental kit having, a handle having two ends, a toothbrush attached at one end of the handle, the other end of the handle being open, the handle defining a hollow interior, removable cover means for the toothbrush, toothpaste container shaped and adapted to be inserted into the hollow handle, through the open end, such container having a flexible side wall, and a dispensing opening and closure cap at one end, and at the other end, there being a filling member inserted into the side wall, a filling bore on the interior of the member, and a closure cap removably attachable to the member, the side wall of the container being of reduced diameter with respect to the diameter of the interior of the hollow handle, and there being an enlarged diameter portion at the other end of the container, and a clamping collar encircling the flexible side wall around a portion of filling member and fastening the two together.

Abstract: A device for monitoring ungrounded power distribution systems that indicates the total hazard current from the isolated power conductors to ground. A measurement signal having at least two frequency components different from the power system line frequency is applied across the combined fault impedances that occur between the power conductors and ground. Voltage responses to the measurement signal components are separated from the power system line voltage and from each other by frequency selective means. These distinct voltage responses are proportional to the fault admittance magnitude at the different measurement frequencies. The voltage responses are applied to the computational circuit whose output is proportional to the maximum fault admittance magnitude at the line frequency. A gain signal related to the imbalance of the fault impedances of the different power conductor is used to scale the previously described voltage responses.

Abstract: A valve structure having a seating member defining at least one valve opening, and having an outer body portion, a center core portion, and a plurality of arms extending from the center core to the outer body, there being seating means formed on the outer body and the center core for receiving valve closure means, the outer body and center core and the arms all being formed integrally in a single homogeneous structure having groups of reinforcing fibres extending from the center core through the radial arms into the outer body, the reinforcing fibres being embedded in and completely surrounded by a mouldable plastic resin material, and spring receiving blocks formed integrally with such arms, and spring recess formed in such bosses offset from such reinforcing fibres without interruption of such fibres.

Abstract: An electric motor drive system having a first direct current electric motor, a first drive shaft to which the first electric motor is coupled, a second direct current electric motor having a higher power rating than the first, a second drive shaft to which the second electric motor is coupled, the second drive shaft comprising a hollow sleeve with the first drive shaft extending therethrough, an epicyclic gear system comprising a sun gear to which the first drive shaft is coupled, a ring gear to which the second drive shaft is coupled, and planetary gears meshing with both the sun gear and the ring gear, an output drive coupled to the planetary gears, and, a one way rotation restraining means coupled to the ring gear to permit rotation of the ring gear in one direction and to prevent rotation of the ring gear in the other direction.

Abstract: A closure device for a container such as a medicine bottle having inner and outer caps, biassed axially apart, each cap comprising respectively an end member and a skirt member, there being a first drive between the skirt members and a second drive between the end members.

Abstract: A golf club bag having, an integral outer shell, a top panel closing the upper end of the shell, with shaft apertures therein, a core within the shell, stops at the lower end of the core, guide channels in the core forming handle recesses, a handle on the exterior of the shell, and, releasable closure for the upper end of the shell.

Abstract: A self-closing dispenser device having a generally rigid valve support with a two-way passageway for dispensing in one direction and return air flow in the other direction, a diaphragm on one side of the valve support, a valve member on the other side of the valve support, porting in the diaphragm, a valve stem connected to the diaphragm member and extending through the two-way passageway, and having a valve closure surface and a dispensing opening in the valve member, normally closed by the valve closure surface and movable outwardly for ejection of material, and the valve stem and closure surface being movable inwardly away to permit re-entry of air.

Abstract: A two-way valve for use in breathing apparatus comprising a valve chamber having a supply end and a mask end, both ends having openings, a valve plate member of thin lightweight material freely movable within the valve chamber between the supply end and the mask end for closing respective openings, the valve plate member defining a flow axis and a generally circular opening centered on the flow axis, a plurality of support arms extending radially inwardly from the perimeter of the circular opening, the support arms defining and being joined together at a solid central hub, a plurality of stub members extending radially inwardly from the perimeter of the circular opening, a fastening boss extending from the central hub towards the mask end of the chamber, retaining flanges on the boss spaced from the valve plate, a flat planar flexible valve membrane attached to the valve plate member, the membrane having a central opening fitting elastically over the boss, and fitting between the valve plate member and the fl

Abstract: Support rod for use between a wall and a rail and having an outer tubular rod, an inner rod telescopically receivable within the outer rod, a spring within the outer rod and engagable with the inner rod for normally biasing it outwardly of the outer rod, engaging means on the free ends of the outer and inner rods, for engaging the wall and rail, retaining means on one of the engaging means extending into the free end of the outer rod, and, spring attachment means on the retaining means for attaching the spring within the outer rod.

Abstract: Damper blade actuator assembly for use in association with a damper having damper frame means adapted to be associated with an air duct system, and defining an air flow opening, and movable damper blade means operable for partially or completely obstructing such air flow, said actuator assembly comprising, a drive shaft adapted to be operatively coupled to suitable motor means for rotating said drive shaft in either direction, an operating arm swingably mounted adjacent said drive shaft and being rotatably movable relative to said drive shaft and connectible with said damper blade means, a coupling arm attached to said drive shaft for rotation therewith adjacent said operating arm, spring means connected between said operating arm and said coupling arm, said spring means urging said operating arm to move independently of said coupling arm in a direction tending to close said damper for emergency operation thereof while said coupling arm remains stationary, condition-sensitive retaining means connected between

Abstract: This invention is a wood burning stove comprising an essentially air tight firebox module having three or more sides, an essentially horizontal cooking top and a bottom, both of said cooking top and bottom extending outwardly from a side to form firebox oven flanges, to which may be secured an oven module, a fire door at the front of the firebox, a draft control means, a chimney attachment means, disposed to the rear and the top of the firebox, a grate, and leg support means.

Abstract: A bicycle in which the frame is so constructed that the pedal crank is displaced forwardly of the center of the back wheel by a distance equal to at least twice the radius of the back wheel, and the rear frame member has a length equal to at least twice the radius of the back wheel, and the steering column housing is slanted at an angle of between 62.degree. and 58.degree. to the horizontal, and the saddle support column has a length equal to between 1.2 and 1.4 times the radius of the back wheel, and terminates at an upper end located approximately perpendicularly above the intersection between the rear frame support, and the periphery of the back wheel, and the saddle support column is slanted at a lesser angle than the steering column housing of between 40.degree. and 44.degree. to the horizontal, and including a back rest extending upwardly behind the saddle.

Abstract: Feeding apparatus for elongated objects having a rotary feed member, having a drive for rotating the same at a high speed, spaced apart parallel grooves formed in the outer circumference of the rotary member spaced apart radially from one another, to receive a single elongated object, angled shoulders formed on the outer periphery of the rotary member, located adjacent respective grooves, a recess formed in the rotary member intermediate its upper and lower ends, an ejection device located in the recess for engaging and ejecting objects at a predetermined rotational position and a generally semi-annular retaining guide, around a portion of the rotary member, for retaining objects in the grooves.

Abstract: Inclination measurement apparatus having a housing, a reference pendulum mounted for swinging about one axis of the housing to respond to deviation of the housing means about such axis, an inclination indicator responsive to the inclination of such housing about another axis, and connected to such reference pendulum, whereby to adopt a predetermined reference position relative to such first axis, a movable locking device operable to restrain movement of such inclination indicator about such transverse axis and being releaseable to permit such movement, the locking device being movable into and out of engagement with the indicator device to secure such indicator device against movement about such transverse axis.

Abstract: A pair of complementary right and left-handed toothbrushes in which each brush has a handle, a brush head formed integrally with the handle portion, a first bend in such handle, formed in a transverse plane, so that the head is angled outwardly with respect to the handle, an axial twist in the handle between the bend and the head so that the head is rotated to lie in a plane displaced angularly outward, and a second bend in the handle between the twist and the head, lying in a plane transversely of the head. The said first bend, axial twist and second bend spatially orientate the brush head into the desired position relative to the handle.

Abstract: A shedding device for a loom, having a plurality of thread separator discs, inner abutments on one side of each disc, outer abutments on a face of the disc, subtending a predetermined arc, on which a thread may be raised, a central opening through the disc, a spring extending into the opening, grooves on the disc for receiving the inner and outer abutments of the next disc, a plurality of openings formed through the disc and spokes defined by the openings at spaced apart locations.