Abstract: A clock having an hour housing supporting an hour hand integral therewith in a minute housing supporting a minute hand integral therewith. A battery operated timing mechanism in the hour housing has an hour shaft for driving the hour housing in hand and a minute shaft for driving the minute housing in hand. The coupling of the minute shaft includes a threaded shaft end having opposed flats adapted to force-fit in a centrally disposed hole on the inside of the minute housing. A bracket is provided for supporting the timing mechanism in a fixed position such as from a wall.

Abstract: A high-strength, tough alloy steel is formed by heating an alloy steel comprising iron, 0.1-0.4 weight % carbon, 1-3 weight % manganese and 1-13 weight % chromium and optionally containing microalloying amounts of other metals to about 1150.degree. C. to form a stable homogeneous austenite phase, control rolling the steel at about 900.degree. C.-1100.degree. C., followed by rapid cooling to 950.degree. C. and again rolling at that temperature and then quenching the thusly rolled steel in liquid or by air cooling. Tempering at temperatures up to about 300.degree. C. may be effected to further increase the toughness of the steel.

Abstract: A motor vehicle in conjunction with a removable hard top connected to a frame cage. The trunk lid of the vehicle is rearwardly hinged, such that it may be rasied from its front portion towards the rear of the vehicle. While the trunk lid is raised, the top may be rotated about the frame cage so that it rests within the trunk of the vehicle.

Abstract: The invention is an apparatus for mounting a display item on a vertical support surface and includes a frame assembly with elongated side members each having one end joined with a different end of an elongated top member and an opposite end joined with a different end of an elongated bottom member, the members forming a rectangular enclosure for retaining a peripheral edge of the display item. Disposed on the rear surface of the frame assembly is a retainer that retains a mounting member movable along a path substantially parallel to the elongated top member. The mounting member is adapted to removably engage and be supported by an appendage fixed to the support surface.

Abstract: A frame system including a plurality of elongated frame members joined end to end to enclose a display area and each having an inwardly projecting wall portion for bordering a perimeter of a display piece and a rearwardly projecting, inwardly opening channel having transverse lips spaced apart by an inwardly facing slot. Joining the ends of each pair of contiguous frame members is a unitary bracket having leg portions disposed at an angle corresponding to the angle between the contiguous members and retained by the channels therein. Each of the leg portions comprises a guide surface defining retainer cavity juxtaposed to one of the slots and retaining a locking cam for securing the frame sections.

Abstract: An ammunition handling system includes a plurality of generally flat ammunition holding strips, each having clips thereon for holding a plurality of ammunition rounds and coupling apparatus disposed on each end thereof for releasably coupling the ammunition holding strips to one another for feeding the ammunition holding strips and the ammunition disposed thereon into an ammunition stripper and loader assembly. The ammunition stripper and loader assembly includes a chute for supporting at least one ammunition holding strip and apparatus for separating the ammunition rounds from the holding strips and feeding the separated ammunition rounds into an ammunition transfer unit of an automatic weapon.

Abstract: An ultrasonic instrument including a stack of laminations having acoustic impedance transformer connected and a housing which fits over the stack and at least a part of the transformer in which the housing has a portion of a material having a low coefficient of friction which makes contact with the acoustic impedance transformer.

Abstract: A surgical instrument for removing objects from the body of a human or animal in vitro in which a hook type implement is utilized to grasp a portion of the object to be removed and to bring it into a relationship with a cutting surface of another portion of the instrument to provide a combined crushing and cutting action. In the preferred embodiment of the invention, suction pressure and irrigation fluid is supplied through the instrument with the cut material being removed from the area by the suction pressure.

Abstract: An improved method of sealing and attaching, in a weathertight manner, a mounting support, such as a mounting support of an equipment, to a roof surface. A flared hole is formed in a sheet of metal flashing. The flashing is placed on the roof with the flared hole thereof aligned with a hole in the roof and protruding upward from the roof. A resilient pad is applied to the roof flashing over the flared hole, with a hole in the pad surrounding the flared hole in the roof flashing. The mounting support is then bolted to the roof surface by passing a bolt through the mounting support, the pad, and the aligned holes. The bolt engages the mounting support and the underside of the roof surface so as to secure the mounting support to the roof surface with the flashing and resilient pad pressed therebetween. This sealing technique provides a reliable water-tight seal through which water cannot readily penetrate, even over long periods of time.

Abstract: In a hydro-jet housing the form block, possibly with core, is stripped of mold sand by means of a high-pressure water jet. The sand is fed in the form of a muddy pulp to a first hydrocyclone, where the water is largely separated and is supplied for the formation of new muddy pulp. The sand flows into a scrubbing mechanism for knocking off its binding material, which has settled as a coat around the sand grains. After being scrubbed, the sand is fed to a second hydrocyclone for hydro-extracting water and dislodged binding material from the sand. The sand is then dried and cooled and is available for further use. The contaminated water is neutralized with flue gas, after which a flocculation agent is added to it and the water is then purified for reuse in a settling tank and possibly in a filter.

Abstract: Apparatus for electromagnetic radiation of living tissue, such as human tissue, or tissue simulating matter, comprises an electromagnetic radiation source having a dynamic frequency range of at least about 5 to 1, and preferably 10 to 1. Electrically connected to the source by a coaxial cable is a broadband applicator adapted for emitting electromagnetic radiation into tissue and the like. Parallel plate type radiation launching portions of the applicator are configured to have a characteristic impedance, throughout the dynamic frequency range, approximately equal to the impedance of specimens to be irradiated, which for human tissue, between 50 MHz-2000 MHz, is approximately 50 ohms. A transition for interconnecting the coaxial cable to the parallel plate launching portion is configured to provide a relatively gradual coaxial to parallel plate transition at constant characteristic impedance throughout the dynamic frequency range.

Abstract: A cutter body for a surgical instrument having at least one blade surface thereon which rotates relative to a fixed blade surface. The cutter body is shaped to minimize the stress and wear of the rotatable cutter blade.

Abstract: A cutter body for a surgical instrument having at least one blade surface thereon which rotates relative to a fixed blade surface. The cutter body and the rotatable blade are shaped to minimize the stress and wear of the rotatable cutter blade.

Abstract: A system for controlling the infusion of fluid to an operating field at a selected predetermined pressure, as a counterpart to an instrument for severing material of an object in the field, and for evacuating through a passage the severed material from the field in a suspension or emulsion of the infusion fluid. The system provides a means for maintaining a constant differential pressure between the operating field and its infusion line and the pressure in the line communicating with the passage through which material is being evacuated at the time a reverse fluid flow mode of operation is initiated in the system to send fluid down the passage through which the severed material is normally evacuated.

Abstract: A bipolar regulated power supply employing an autotransformer to couple the output to the load is provided with a direct current feedback connected directly across the load. In this way losses in the transformer and leads connecting to the load are compensated for and direct current is eliminated from the output transformer when the input is ac coupled.

Abstract: When a regulated power supply incorporating a series pass transistor as the regulating element is crow-barred, the control circuitry continues to drive the pass transistor to maximum available current. The pass transistor may be overheated and eventually both the pass transistor and the crow-bar itself may be damaged. To prevent this latter from happening, the drive to the pass transistor is cut back in response to the actuation of the crow-bar.