Abstract: The invention relates to an engine including a cylinder defining a combustion chamber which receives a mixture for combustion thereof, and a piston slidably mounted therein for reciprocation between a first and a second limit position whereat the chamber defines its minimum and maximum volume, respectively. A pair of rotatably mounted parallel crankshafts are arranged equidistantly relative to the longitudinal axis of the cylinder, each having a crankarm rotatable about its respective crankshaft axis. Coupling means connect the crankshaft together for synchronising rotation thereof with the crankarm of one crankshaft having an angular advance over the crankarm of the other crankshaft. A rocker member pivotally connected to the piston for rocking movement about a pivot axis extends normal to the longitudinal axis of the cylinder, and a pair of connecting rods interconnect the rocker member and the respective crankarms of the crankshafts with each connecting rod being pivotally connected to the member.

Abstract: In an all liquid flat plate type solar collector having risers therein, the risers having inlet and outlet portions, the improvement comprises providing a single header for servicing the risers and arranging the risers inlet and outlet portions within the header so as to obtain flow through the risers using the velocity effect or dynamic effect of flow through the header.

Abstract: A resiliently biased seat panel for a seat frame associated with an end gate of a push-cart. The end gate has leg holes to permit the legs of a child seated on the seat frame to extend therethrough. The seat panel comprises a hinge along an edge thereof to hingedly retain the panel for displacement to and away from the seat frame. A spring biases the seat panel away from the seat frame in a position against the leg holes to obstruct at least a substantial portion of the leg holes when the seat panel is not utilized for seating a child. Thus, articles positioned on the seat frame cannot fall through the leg holes as it is obstructed by the seat panel.

Abstract: The invention relates to a woven all-synthetic monofilament dryer fabric for use in a paper-making machine. The fabric is constituted by a belt woven with warp and weft strands with the warp strands extending in the machine direction. The belt is interconnected at opposed ends by a woven single pintle pin seam to form an endless belt. The warp strands in at least rewoven end portions of the belt are flattened strands.

Abstract: A method and a device for sampling a radiation field emitted from an X-ray machine for determining certain operational characteristics of the machine. A cassette container is disposed at a predetermined position relative to a radiation field of the X-ray machine. The cassette container houses a removable holder containing one or more thermo-luminiscent crystals associated with a respective one or more crystal filters supported in the container. The filters have different densities from one another.

Abstract: In a reservoir for use in treating a solution fed thereto, the improvement comprising: an overflow system, said system including: an overflow stand-pipe in the reservoir for use in skimming solution in the reservoir and removing the same therefrom; and a sensor in the reservoir for use in detecting the solution level in the reservoir and for controlling the introduction of further solution into the reservoir, thereby to control the amount of solution skimmed into the stand-pipe. In a proportioner for use in metering and dispensing specified proportions of additives, for example into a solution, the proportioner including conduit apparatus for receiving and mixing at least two solution feed supplies fed thereto, the improvement comprising: a metering pump connected to a selected one of said solution feed supplies, for metering the flow therefrom.

Abstract: A chimney ventilating cap for the evacuation of combustion gas from chimneys. The cap comprises a spherical hollow dome body defined by a forward and a rear partly semi-spherical body portion. The front and rear body portions are secured together in a spaced-apart manner to define an opening between their circumferential edges. A shield is associated with the opening. A wind governor is secured to the rear body portion. The hollow dome body has a vertical pivot connection secured to an open-ended attachment base whereby the dome body is pivotal on the vertical pivot to rotate on the base by change in wind direction.

Abstract: A warp restoring device for use in a neck of a stringed musical instrument. The device comprises a pair of rods held in parallel relationship. A connecting block is secured at a common end of the rods. A threaded member cooperates with the connecting block to cause limited axial displacement of one of the rods. A rod connection is spaced from a far end of the rods to immovably interconnect both said rods in a connection zone to control the position of a bending zone for the rods when the threaded member is rotated in a predetermined direction.

Abstract: A phonograph including a lower casing having a turntable. A cover is removably positionable over this turntable and has a top wall disposed in fixed parallel relationship to the plane of the turntable. The cover is made of a non-magnetizable material. A magnetizing disc is provided and having a plurality of magnets secured in a spaced apart manner on an upper face thereof. A drive post is provided and has a detachably securable end to connect to the disc and space the disc above the turntable. The post also has an engaging opposed end to engage with a center hole in the turntable to impart axial rotation to the post when the turntable rotates, whereby to impart a rotational drive to the disc to cause free displacement of magnetically attractable elements disposed on an outer surface of the cover when positioned thereover.

Abstract: A safety lock system for vertically stacked slideably retained storage elements, such as file drawers. The system comprises one or more locking bars vertically slideably retained in alignment in a vertical support guide channel. Two or more cam elements are pivotally secured on a respective fixed pivot axis to the support guide channel adjacent an opposed end of each of the locking bars. Each of the cam elements have a cam portion retained in planar alignment with the locking bars and an activating arm portion for rotating the cam portion about the fixed pivot axis. A displaceable space is provided below each cam element portion defined between one of the locking bar opposed ends and the cam portion. An engaging member is secured to one or more of the storage elements.

Abstract: A positive feedback RC active biquadratic filter circuit comprising a passive input RC section and an active amplification output section having at least one operational amplifier. The RC section has two true resistive T-networks and a true capacitive T-network connected to receive an input signal. The RC section realizes a second order function with a low Q factor. The operational amplifier has a feedback resistive connection from an output thereof to a mid-junction point between each of three capacitances in the capacitive T-network. The capacitive T-network and one of the two resistive T-networks are connected to a positive input of the operational amplifier. The other resistive T-network is connected to a negative input of the operational amplifier.

Abstract: A pressure controlled emulsion storage receiver for use in an emulsifying system. The receiver comprises an inlet for receiving emulsion, and an outlet for delivering pressurized emulsion from the receiver. A fluid inlet is provided for feeding into the receiver pressurized fluid from a source. A level control is also provided to maintain a quantity of emulsion in the receiver between predetermined limits. The arrangement also provides for the maintenance of a predetermined fluid pressure in the receiver.

Abstract: The present invention relates to packaging for various fragile articles, including a method and particularly relates to the packaging of fragile articles such as glass lighting fixture globes including ones commonly known as "Tiffany" types.

Abstract: A profiling system comprising a profile member having a profile guide element. The profile member is displaceable along a first straight axis. A working head is fixedly secured relative to a work support surface and spaced relative to the profile member. The working head and the support surface are mounted on a head support frame displaceable along a second straight axis extending transversely to the first axis. Support members are secured relative to the profile member and displaceable therewith to retain and displace a material to be worked on by the head. A follower element is fixedly secured to the head support frame and displaceably engaged with the profile guide element. The head support frame is displaced along the second axis in response to angular deviations from the first straight axis as defined by a path delineated by the profile guide element as the guide element is drivingly displaced along the first axis.

Abstract: An automatic weighing and bagging machine and method for holding and opening a first bag of a plurality of juxtaposed bags held in the machine in a manner whereby the first bag may be filled with a weighed product and released from the plurality of bags. The bags are of the type having an extended tab secured to a portion thereof and extending above a mouth opening of the bag. The machine comprises a holding device for engaging at least a portion of the extended tab of the first bag. A retractor member is also provided for opening the mouth opening of the first bag by pulling a side wall portion of the first bag opposite to the engaged portion of the tab and away from the engaged tab. The retractor member also clamps the side wall portion to hold the bag in an open position whereby the bag is held from opposed sides for filling the bag with the weighed product. A container is provided to hold and weigh the product to be bagged.

Abstract: A form pan section comprising a top wall and opposed side walls depending from a respective opposed side of the top wall. A support flange is provided along a free edge of each of the side walls. The support flange has a load supporting bearing section. Means is provided in each of the support flanges to secure the flange to supporting framework. Connection means is provided inwardly of the top wall and side walls to interconnect the pan section to another pan section. A form pan is constructed of at least two end pan sections having the above-described characteristics.

Abstract: A readily dismountable frame for mounting a container and cover under a supply shelf. The frame is suspended between spaced-apart rails depending from the shelf. One end of the frame is provided with fixed hooks to engage a first rail and the other with retractable spring-loaded catches which engage a second rail spaced from the first. Side beams on the frame have inwardly extending flanges for engaging under the flange of the tote box and cover permitting them to be slid into place separately or to be removed for filling or cleaning. Adjustable connectors between the beams permit width-wise adjustment for different sized containers. The device is specially applicable to suspending tote boxes and covers from wire supply carts.

Abstract: A self-extruding fastener having a head provided with a cross groove, a stem having two screw threads and a tapering portion terminating at a sharp pointed forward end adapted to form a guide opening in a thin sheet of metal. A third screw thread generates in a position midway between said two screw threads and in a portion where the stem ends and the tapering portion begins, and extends to the pointed forward end, while the two screw threads disappear in the tapering portion. Therefore, the self-extruding fastener according to the invention comprises three sections, that is, two screw thread section, three screw thread section and one screw thread section.

Abstract: An electrical heater device for heating a clinical mirror. The device comprises a housing having a top, bottom and side walls to define a hollow enclosure. Two spiral coiled electric heating elements are secured in the housing with their heat radiating surface spaced apart and facing each other in juxtaposition to provide concentrated heat in a mirror locating space therebetween. An opening is provided in the top wall in alignment with the mirror locating space through which the mirror can be inserted into the mirror locating space. A switch is positioned in alignment with the mirror locating space below the heating elements. The switch has an activating contact on an upper face thereof located in alignment with the opening in the top wall and the mirror locating space for activation by a clinical mirrow when the mirror element of such is inserted into the mirror locating space.

Abstract: A wall lining sheet, particularly, but not exclusively, for lining the interior end walls of freight railway cars. The wall lining sheet comprises a metal sheet having a plurality of spaced-apart attachment tabs each defined by a configured slot extending through the sheet. Each of the tabs has a bendable free end portion whereby the bendable free end portion may be displaced outwardly from the plane of the sheet. The wall lining is particularly useful in relining the interior surface of corrugated end walls of freight railway cars after the end wall has been deformed and reshaped substantially to its original state.