Abstract: A headed work blank feeding apparatus is provided including a movable track extension cover at a discharge end of a pair of spaced feed rails. The feed rails are located in adjacent upstream relation to a work station entrance. A height adjustment device serves to selectively establish clearance between a bottom guide face of the extension cover and the feed rails at their discharge end upstream of the work station entrance. Air ejection means on the track extension cover is in overlying relation to the entrance of the work station for positively seating each headed work blank discharged from the feed rails onto work blank supporting surfaces at the entrance of the work station.

Abstract: A blade holder, for use when sharpening and honing a blade, to hold the blade at a fixed angle to the abrasive surface, comprises a frame, one or more rollers and clamp. The frame has a front plate, against the inside surface of which is clamped the front face of the blade. Since the blade's sharp edge is between its front face and its relatively narrow underneath face, (which extends obliquely to the thickness of the blade), the location of the blade's front face by the frame's front plate enables location of the sharp edge irrespective of whether the blade has parallel faces and irrespective of how thick the blade is. The roller is mounted on a shaft at the back of the frame. One or more clamping screws extend transversely of the shaft axis through one or more screw-threaded holes in the shaft to engage a clamping wedge member which is slidably guided in the frame for clamping the blade to the front plate of the frame.

Abstract: A machine is provided for making flexible tubular insulated duct having multiple wraps formed about a compressible inside core. A sheet forming collar shapes the wraps about the core upstream of a joint sealer which cooperates with an underlying conveyor to draw the core and wrap materials along a linear path of movement through the joint sealer to form a longitudinally extending joint on the outermost wrap of the duct. A second conveyor overlies the first conveyor downstream of the joint sealer, and the second conveyor and the joint sealer are selectively adjustable in height to form duct of selected diameter size and to apply a desired tractive force to the sealed duct. A cutting unit is selectively operable downstream of the second conveyor for cutting the duct into predetermined lengths.

Abstract: A portable apparatus for measurement of nuclear radiation, particularly beta particle radiation due to contamination, of a worktop or bench, comprises a plastic scintillator sheet mounted in the base of a housing, a photomultiplier within the housing, optically coupled to the plastic scintillator sheet, and a rate-motor or counter connected to the photo-multiplier. A pump is also provided, to reduce pressure between the work surface and the plastic scintillator sheet to substantially below atmospheric pressure, so as to increase the mean range of the radiation. Accordingly, the base of the housing is also fitted with a sealing ring.

Abstract: Apparatus for treating organisms for therapeutic purposes consists in applying thereto by means of electrodes an electrical signal comprising successive pairs of pulses, the pulses of each pair being of opposite polarity. The apparatus has an electrode arrangement for application to the organism and a signal generator for supplying to the electrode arrangement the signal comprising successive pairs of pulses, the pulses of each pair being of opposite polarity. The generator has controls for varying independently of one another the amplitude of the pulses of each polarity, the duration of the pulses of each polarity, the interval between the pulses of each pair, and the interval between successive pairs of pulses.

Abstract: An electronic counting system with a solid state chip circuit having a multiple purpose counting and control system with an input signal operated control circuit selectively operable by input control signals from external circuitry for providing multiplication, division and rate computation functions and counting and two-stage predetermining functions, and also selectively operable by input control signals for selectively operationally partitioning a BCD RAM of the chip circuit into two separate RAM sections having selected numbers of BCD decade sets and operable to provide independent functions or interrelated functions. Data may be entered into each BCD decade of each of two BCD decade registers of the RAM directly by BCD and entry select signals applied to the chip circuit or by push button and entry select signals applied to the chip circuit.

Abstract: A resettable electronic counter employing an integrated solid state calculator circuit element, or chip, includes counter reset circuitry for automatically resetting the counter. The calculator circuit provides timing signals and is responsive to timing signals selectively connected to an arithmetic and control section thereof for clearing a count stored in registers thereof and display means external thereto, for storing a selected count in the registers, and for cumulatively adding indexing signals to the stored count. The counter reset circuitry includes control logic and a sequence counter actuated by a reset signal to generate a series of step signals. The step signals and certain timing signals are connected to the control logic which is in turn connected to the arithmetic and control section of the calculator circuit.

Abstract: A key operated switch device in which any one of a set of different keys may be utilized to operate a particular combination of sets of electrical contacts unique to that key, the sets of electrical contacts being provided by reed switches located adjacent a keyway adapted to receive any one of the keys in said set, and the keys incorporating different arrangements of magnets or magnetized zones adapted to actuate different combinations of said reed switches.

Abstract: Converter for a fuel pump computer having a register driven by a variator normally connected to be driven by a meter wherein the converter is attachable to the variator for driving it by a variator drive gear in the converter which has a meter driven rotary input and change speed gearing for expanding the price range of the computer. In a first setting, the rotary input is connected to the variator drive gear in 1:1 drive ratio. In a second setting, the rotary input is connected to the variator drive gear via the change speed gearing to provide a selected drive ratio for a different unit volume of fuel delivered. The settings of the converter are changed by an interlock providing an irreversible gear ratio changeover.

Abstract: This disclosure relates to a brake member for a tape measure in which the brake member is symmetrical so that in assembly either end can be placed in contact with the tape measure. There is also provided two detents for the brake member to hold it in either its braking or non-braking position.

Abstract: The apparatus of this invention axially compresses radially self-sustaining tubular duct for packaging in a container which is substantially shorter than the fully extended length of the duct. The duct passes between power operated conveyors applying tractive force to opposite sides of the duct and is positively driven to be axially compressed longitudinally into the container, the container being positioned in downstream adjacent relation to the power operated conveyors. A vacuum device is provided to exhaust air from within the duct to provide a partial vacuum therein while the duct is longitudinally compressed for packaging within its container. This invention also set forth a method of packaging tubular duct by conveying the duct into a container, sealing the duct and exhausting air from the sealed duct while driving the trailing end of the sealed duct into the container under partial vacuum.

Abstract: A modified mechanical gasoline pump computer with an input gear box mounted on the underside of the base of the computer variator. A depending gear box input shaft is coupled to be driven by the gasoline meter and is axially shiftable for axially shifting gear box output gearing mounted on the variator center shaft upwardly from a gallon unit volume measure gear ratio setting to an alternate quart or liter unit volume measure gear ratio setting.

Abstract: There is disclosed a rotary distributor type liquid fuel injection pump for delivering measured charges of fuel under high pressure sequentially to the cylinders of an associated engine in timed relation therewith. The pump includes a movable metering valve for regulating the quantity of fuel in the charges. The metering valve also controls a normally closed bypass port which is opened by the metering valve as the metering valve approaches its closed position to continue the circulation of cool fuel from the supply tank through the pump whenever the metering valve is closed as during the downhill coasting of the vehicle on which the pump is mounted.

Abstract: A chuck of the indexing type is comprised of a chuck housing, a pair of opposed jaw supports mounted within the housing with one of the supports being fixedly secured thereto and the other of the supports including an inclined cam surface and being movable toward and away from the fixed support. A jaw is mounted on each support through a live center and rotates relative to the support into any one of a number of indexed positions. A hydraulic jaw operator mounted on the housing includes a wedge drive engaging the cam surface of the movable support for driving the movable support and its associated jaw toward and away from the fixed support. Another feature of the invention is the provision for index locking means for each jaw mounted on the housing for locking the jaws against rotation.

Abstract: Apparatus for facilitating the collection of debris comprises a ramp having a receiving end and a discharging end, a support for the ramp positions the receiving end adjacent the debris and elevates the discharge end, and a container for the debris is supported by the ramp support adjacent the discharge end for receiving debris, such as leaves, therewithin. The ramp and its support may comprise a unitary structure in one embodiment. In another embodiment, the debris container may comprise a cart, one or more walls of which may serve to support the ramp and the ramp may be detached therefrom or it may be pivotally supported thereby for rotation into position as a cover on the cart. The ramp, its support, and the debris container are constructed for portability and facile assembly and disassembly.

Abstract: A rigid linear measuring instrument has a central core moulded integrally with plastics bodies in relief. A plastic material of different colour is moulded over the core flush with outer faces of said bodies which form a series of graduation figures and graduation lines.

Abstract: An open-ended cylindrical tower having an upper outlet end and a lower inlet end with a coaxial open center pump intermediate the inlet and outlet ends of the tower for imparting relatively high kinetic energy to fluid to be passed through the tower with a vortical motion under relatively low pressure, and a velocity deflector at the outlet end of the tower jointly defining therewith an unobstructed annular discharge opening and serving to at least partially deflect the axial velocity of the fluid and amplify its angular escape velocity through the discharge opening to effect a 360.degree. radiating spray pattern while minimizing pressure drop during discharge.

Abstract: A finger guard assembly is structured for easy field retrofitting to a standard center-pivot door without removing the door from the doorway. The assembly includes a pair of extruded jamb guard members flush mounted on a doorway jamb and a pair of extruded door guard members flush mounted on the opposite parallel surfaces of the door stile. The jamb guard members and door guard members are shaped and positioned to cooperatively provide a narrow gap for preventing the entry of fingers therebetween. The several guard members are temporarily supported in position on the jamb and door by double faced adhesive tape preparatory to final mounting.

Abstract: A fuel delivery pump with a settable price variator with a center shaft driven by a fuel meter, volume counters driven by the variator center shaft for registering the volume of fuel delivered and cost counters for registering the cost of fuel delivered driven via a dual input drive transmission having inputs connected to the variator center shaft and to the output of the settable price gearing of the variator and operative to reduce the torque load on the settable price gearing.