Abstract: A pivotable multiple socket for shovels comprising a rotatable socket member to receive the end of a shovel handle, the socket member being in the form of an adapter which itself seats in and is removable from the permanently mounted socket of the shovel blade, in which the rotatable socket member can be rotated to a plurality of different working positions. The rotatable socket member includes a tubular insert to rotatably seat in the permanently mounted socket of the shovel blade, a first tubular socket to receive the end of the shovel handle in axial alignment with the tubular insert of the socket member, and a second tubular socket for receiving the end of the shovel handle which extends at an oblique angle from the longitudinal axis of the tubular insert portion of the socket member. The socket member in accordance with this invention permits positioning the shovel blade at different angles to the shovel handle, both vertically and horizontally.

Abstract: A ladder for firefighters having spread apart upper rails to provide clearance and a working space for them to chop an opening in the roof of a burning house to enable smoke to escape and otherwise aid in eventually extinguishing the fire. The ladder includes a pair of side rails spaced apart the normal distance as in conventional ladders, but the upper portion of each side rail includes two hinged sections, the first hinged to swing outwardly to a position at a right angle to the lower portion of its respective side rail, the second hinged to swing upwardly to a position at a right angle to the first hinged section to which the second hinged section is pivotally connected by a hinge member. Pins or other lock means are provided to hold the hinged sections in the spread apart working position of the ladder. The upper free end of each second hinged section of each side rail includes a hook to hook over the peak of the roof, the ladder lying against the pitched side of the roof.

Abstract: A ratchet puller for nails and staples in accordance with this invention includes a ratchet lever or bar having a ratchet mechanism at one end with a tool mounting stud extending from the ratchet mechanism, and a pry tool for mounting thereon which includes a claw portion having a wedge slot for receiving the shanks of nails, spikes and similar items to be pried out of a piece of wood or other structure they are embedded in and which may include a pointed tip or stab to hook under the bight portion of staples and similar items for prying out of whatever they are embedded in. The pry tool includes a peripheral bearing surface to serve as a fulcrum when the ratchet lever or bar is moved causing the wedge slot, or pointed tip, of the tool to lift the nail shank, or staple as the case may be.

Abstract: An unlatching tool to uncouple the trailer from the tractor of semi-trailer truck rigs, comprising a foldable elongated bar having a hand grasp at one end and a combination safety release arm plus unlatching hook at the opposite working end. The safety release arm extends at a right angle from the working end of the bar and in one direction from the bar, while the unlatching hook extends outwardly from the bar in the opposite direction and set back from the working end a short distance. When the unlatching hook engages the coupling latch which locks the king pin of the trailer to the tractor, the safety release arm extends forward of the unlatching hook just far enough to bear against the safety release mechanism which can be moved to the safety release position by a partial rotation or twist of the bar while at the same time pulling on the bar to draw the coupling latch to the unlatched position. The trailer can then be uncoupled from the tractor.

Abstract: An endotracheal tube and holder comprising a flexible elongated endotracheal tube for insertion through a patient's mouth down into the patient's trachea to facilitate opening of the airways and a holder to keep the endotracheal tube in place after it has been appropriately inserted. The holder in accordance with this invention comprises a short sleeve having an inner diameter corresponding to the outer diameter of the endotracheal tube and slightly larger to permit the endotracheal tube to slide within the sleeve but still be held snugly within the sleeve when the tube is secured thereto, the sleeve portion of the holder being integrally connected to a base portion which comprises a relatively thin flat strip of flexible sheet material extending outwardly from each side of the sleeve.

Abstract: A golf club putter comprising a putter head having a planar striking face, a straight upper edge and a shaft extending upwardly from the upper edge at about midpoint, substantially normal thereto, and set back from the plane of the striking face. The longitudinal axis of the shaft is substantially parallel to the plane of the striking face of the club head. The bottom edge of the club head includes a flat sole portion extending from the heel toward the toe to an intermediate location, at the same time diverging downwardly away from the upper edge of the club head. The angle of diversion is such that when the sole of the club head is flat on the ground in a horizontal position, the club shaft diverges from the vertical by ten degrees or more. The shaft is relatively short, of a preselected length to reach about knee-high of each golfer for whom the club is made when its head is resting on the ground and the golfer is standing upright.

Abstract: A tool to remove shock absorbers from an automobile comprising an elongated barrel or tubular portion have a hollow bore extending therethrough and a ribbed socket at one end to receive the retaining nut at the top of a shock absorber mounted on an automobile. The barrel or tubular portion has an abutment flange extending outwardly along the side wall to catch and bear against a portion of the A-frame part of the vehicle which is adjacent to the shock absorber. The abutment flange keeps the barrel or tubular portion of the tool from rotating and holds the retaining nut received in the socket of the tool from rotating. A socket wrench is inserted down through the bore of the barrel or tubular portion of the tool to receive the head of the bolt or rod which holds the shock absorber in place.

Abstract: A chlorine injector for treatment of effluent includes apparatus which provides two separate vacuum forces that supplement each other to create sufficient vacuum force to draw chlorine from a chlorine tank and inject it into a sewage effluent tank for treatment of the effluent therein. The apparatus includes a water chamber positioned above the surface of the effluent, an airlift tube extending from the water chamber having its intake end submerged in the effluent and its discharge end inside of the water chamber at the upper portion thereof, an overflow return pipe extending from the water chamber to return excess effluent to the tank, and the chlorine injection assembly having the double vacuum means comprising a first eductor nozzle leading from the bottom of the water chamber to discharge into a second induction nozzle having a flared intake end, creating a first vacuum at this point by the venturi effect.

Abstract: An air warming device to facilitate breathing comprising a thin wall air warming chamber having a plurality of cells which extend vertically when the device is worn and placed against the chest region of the user. Each cell has a relatively large opening at the bottom and a relatively smaller opening at the upper end. A first manifold extends across the bottom having an upwardly facing open wall in communication with the large openings at the bottom of each cell and having a small opening to admit outside air into the first manifold. A second manifold extends across the top having a downwardly facing open wall in communication with the small openings at the top of each cell, and having a small opening for warmed air to pass from the second manifold through a tube to a breathing mask over the nose of the user. The breathing mask includes an exhaust valve for exhaled air to escape. A layer of insulating material is placed over the outwardly facing wall of the air warming chamber.

Abstract: A door lifting and centering device for hanging heavy doors comprising a base plate, a lift plate positioned above the base plate having a jack screw member threaded through an internally threaded portion of the lift plate whereby the lift plate is raised relative to the base plate when the jack screw member is rotated. The lift plate includes projecting fingers which extend forwardly to be inserted under the bottom edge of a heavy door which is to be hung in a door frame. The jack screw member includes an elongated shank which extends upwardly to waist height of the installer or other convenient height whereby the installer does not have to stoop in order to rotate the jack screw. He can remain upright whereby he is able to see the holes in the door hinges and properly align them with the corresponding holes in the door jamb or door frame, while at the same time rotating the jack screw causing the door to slowly lift until he can see that the apertures in the hinge and in the door frame are properly aligned.

Abstract: A centering clip for window frames, comprising an element of spring metal to provide a resilient clip, having a base portion attached to the top edge of a window frame, and inclined portion integrally formed with the base portion at an acute angle, with the inclined portion having a row of teeth along the free end. When the window frame is inserted into the mounting opening or mounting frame, the inclined portion of the resilient clip engages the top edge of the mounting frame and is compressed when the window frame is inserted. The row of teeth at the free end of the centering clip bites into the top edge of the mounting frame and holds the window frame against removal until the centering clip is depressed to disengage the teeth from the top edge of the mounting frame. The window frame is thus held within the mounting frame until a workman is able to nail the window frame in place.

Abstract: A heat exchanger comprising a coil assembly mounted in a broiler used in restaurants for example where the temperature of the broiler is about 500.degree. F., such coil assembly being connected to an intermediate holding tank into which cold water is fed from a public water supply through a downwardly extending pipe in the intermediate holding tank having its discharge opening near the bottom of the tank. An outlet port is located slightly above the level of the discharge opening of the downwardly extending pipe, and a conduit is connected between the outlet port of the holding tank and the coil assembly mounted in the broiler, with a pump connected in this conduit to pump cold water from the bottom portion of the intermediate holding tank to the coil assembly mounted in the broiler. A return conduit leads from the coil assembly back to an inlet port of the intermediate holding tank located in the upper part of such tank whereby water which has been heated to about 100.degree. F. from about 40.degree. F.

Abstract: A door lock assembly comprising an anchor plate or other anchor means on the floor of a building spaced apart from a door with which the door lock assembly is to be used and in the direction which the door opens, and an elongated locking bar one end of which engages and is secured by the anchor plate or other anchor means, the other end of which abuts against the bottom edge of the door when in closed position to prevent it from being opened until the locking bar is removed from such position. The locking bar lies on the floor between the anchor means and the bottom edge of the closed door which makes it more difficult to dislodge by anyone trying to break in. The door may include a socket to receive the abutting end of the locking bar to keep it even more securely in place.

Abstract: A router bracket for attaching a router to a radial arm saw or other device having adjusting and positioning mechanisms, comprising an L-shaped bracket frame wherein the horizontal leg is bolted to the drive shaft of the radial arm saw motor or corresponding element of a similar device and the vertical leg of the bracket is substantially parallel to the side wall of the motor or comparable part of a similar device. An adjustable abutting plate is positioned between the vertical leg of the bracket and the tool device to which it is connected, with a rotatable screw positioned between the said vertical leg and said adjustable abutting plate to move the latter into tight bearing relationship against a side wall portion of the tool or device to which the bracket is connected. A saddle for receiving a router therein is mounted along the vertical wall of the bracket, and separate adjusting means are provided to move the saddle and router mounted therein upwardly and downwardly along the vertical leg of bracket.

Abstract: A germicide sleeve for dental and medical instruments comprising a flexible non-permeable outer sleeve wall of plastic or the like, the sleeve being closed at one end, the inner wall lined with a compressible absorbent material such as foam rubber surrounding an elongated central cavity or bore which extends the length of the sleeve and opens at an open end thereof to receive the working portion of a dental or medical instrument therein, the absorbent material being impregnated with a germicide solution to disinfect the instrument while stored therein, the compressible absorbent material which completely surrounds the central bore or cavity also serving as a protective cushion for the instrument stored therein while awaiting use. The germicide sleeve is disposable after its first use, and the instrument may be placed in a new germicide sleeve after each use of the instrument. The open end of the germicide sleeve is covered by a breakable seal prior to use.

Abstract: A combination portable seat cushion and pennant comprising a foldable carrying case having two pockets therein in side-by-side relationship foldable along their common border, each pocket having an open end to receive therein respectively a pair of cushions. Each of the cushions comprises a block of foam rubber or plastic or other cushioning material enclosed within an outer covering of flexible sheet material such as plastic, cloth, leather or the like. The cushions are readily removable from their respective pockets of the carrying case for use as pennants and noisemakers during the course of a sporting event. Each cushion includes a broad, substantially flat surface which the spectator can slap together when holding one of the cushions in each hand to use as a noisemaker during the sporting event. Such surfaces also include descriptive material thereon for use as pennants such as team colors, words comprising team cheers and the like which the spectator can display during the game.