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| Number | Title | Issue Date |
| 4366941 | Ice cube tray Metal or plastic ice cube trays have flat lids hinged along one edge to facilitate emptying ice cubes in an orderly manner when the tray is inverted and held under running water. The trays are stackable and have support legs of sufficient length to hold t... | 01/04/1983 |
| 4366942 | Spacer member A spacer member for use in erecting shelter structures, the member comprising a base portion, an extension upstanding from the base portion, attachment structure disposed on the extension and adapted to receive and retain a portion of a mesh panel, and an... | 01/04/1983 |
| 4366943 | Method and apparatus for introducing air into a vacuum milking system during the washing cycle A valve assembly including a first housing member having a flange and a second housing member having a flange. The first housing member is connected to the vacuum milking system. A flexible diaphragm is mounted between the flanges of said first and second... | 01/04/1983 |
| 4366944 | Magnetically actuated pilot valve A magnetically actuated pilot valve for fluid control systems which can direct a fluid pressure for operating a device or it can connect said device to drain. The magnetically actuated pilot valve includes a top and bottom section with fluid pressure ente... | 01/04/1983 |
| 4366945 | Hose coupling with double lock The pipe-coupling comprises a socket member adapted to receive a nipple for connecting a compressed air hose to a fixed supply conduit, for example. The nipple can be inserted manually without any additional actuation of the socket member, since locking i... | 01/04/1983 |
| 4366946 | Ball valve mechanism A ball valve mechanism is provided having an internal movable valve seat element that is positioned for linear movement with respect to a valve ball that is positioned for rotation within the valve body. A mechanism for inducing linear movement to the mov... | 01/04/1983 |
| 4366947 | Calibrated gas-metering apparatus A calibrated gas-metering valve is disclosed which includes a two-part valve body having a gas inlet, a gas outlet, and a metering element therebetween. The metering element has a first and a second hole therein, which first and second hole intersect and ... | 01/04/1983 |
| 4366948 | Car jack A car jack having a stand column secured at its lower end to a plate-like base and pivotally supporting an arm having a head for engaging a vehicle and adapted to be pivoted by a threaded spindle rotated by a hand crank, in which the base has relatively a... | 01/04/1983 |
| 4366949 | Leaf catching and collecting device A leaf catching and collecting device and method for use are provided including post members to be driven into the ground and extend above the ground with hooks on the post to receive one edge of a flexible netting which is laid over the ground and held t... | 01/04/1983 |
| 4366950 | Method and apparatus for cutting stainless steel Gas cutting of a plate material such as of stainless steel or stainless-clad steel is efficiently carried out by advancing a cutting torch along a mild steel bead formed on the material by melting thereon mild steel using a welding torch. When the materia... | 01/04/1983 |
| 4366951 | Apparatus for refining metal melts from insuluble impurities The apparatus comprises a housing, a filtering device, mechanisms for driving the filtering device, respectively, through rotation and reciprocation and a device for discharging impurities from the filtering device. The filtering device includes the top a... | 01/04/1983 |
| 4366952 | Immersion-lance for introducing a finely divided, particulate solid material into a metal melt The invention concerns an immersion-lance for introducing a finely-particulate solid material into a metal melt, by means of a carrier gas, the internal diameter of the lance being narrowed in the region of the outlet opening. The object in the invention ... | 01/04/1983 |
| 4366953 | Oxygen lance A lance for blowing oxygen from above into a ladle of an iron foundry has a nozzle head with at least four main tuyeres of larger diameter and as many ancillary tuyeres of smaller diameter, the larger tuyeres serving to blow into the melt for decarburizin... | 01/04/1983 |
| 4366954 | Outboard motor support frame A mounting frame (10) for supporting an outboard motor (12) within a circular, open-topped receptacle (14), such as a garbage can, includes a pair of elongate, spaced-apart leg members (18) spanning across a portion of and resting upon the receptacle uppe... | 01/04/1983 |
| 4366955 | Loader for signatures A loader for signatures, loose sheets, gathered sheets and the like, in particular for collating, pamphletizing, stitching and similar bookbinding machines, which can be moved in an automated manner with respect to the bookbinding machine when switching f... | 01/04/1983 |
| 4366956 | Rhythm indicating exercisers A rhythm indicating exercising device in the form of a generally tubular member having a preferably metallic mass or slug disposed freely slidable in the interior of the tubular member, each end of the tubular member being provided with an end closure pre... | 01/04/1983 |
| 4366957 | Game apparatus An upright rearwardly inclined game-piece receiving panel is carried by a panel receiving socket in a base and is movable to a vertical position by a biasing spring acting on the socket. Game-pieces applied to the panel are ejected therefrom upon the expi... | 01/04/1983 |
| 4366958 | Racket stringing machines An apparatus for use in stringing rackets comprising a support structure including a pedestal having a base portion with a weighted foot pedal pivotally attached thereto, a racket supporting portion attached to the upper end of the support portion, a stri... | 01/04/1983 |
| 4366959 | Racket for tennis and similar games A racket for tennis and similar games in which the density of the strings in the central part of the strung surface is increased by incorporting a middle zone formed of a continuous length of stringing material, in which zone the strings are arranged in a... | 01/04/1983 |
| 4366960 | Electronic boxing game An electronic boxing game provides a display panel of LEDs arranged in two rows of body symbols and three rows of arm symbols. A body-symbol LED can be actuated to represent the position of a simulated boxer, and arm-symbol LEDs can be activated individua... | 01/04/1983 |
| 4366961 | Method and apparatus for constructing pyramid Apparatus for constructing a pyramid. The apparatus comprises a circular piece of material having a circular front face; a circular back face; and a plurality of fold lines formed on at least one of the faces. The fold lines include diameter lines each tr... | 01/04/1983 |
| 4366962 | Low drag, light weight towed target A modular target apparatus is described, which is adapted to be towed behind a towing vehicle, typically an aircraft. The modular apparatus includes a fore body, an aft body, and a thrust bearing interconnecting said bodies. The thrust bearing allows pred... | 01/04/1983 |
| 4366963 | Convertible inflated play vehicle A convertible play vehicle comprising an inflatable flotation ring encircling an integral reinforced, load-bearing platform that lies mid-way of the height of the flotation ring and has spaced openings near the circumference thereof that may serve as hand... | 01/04/1983 |
| 4366964 | Wheelchair hand rim A wheelchair hand rim that provides improved control and mobility has a cross-sectional contour that is configured to optimize the gripping surface and finger wrap over widely differing angles. The contour (taken at top dead center) is characterized by a ... | 01/04/1983 |
| 4366965 | Gladhand and plug keeper for trucks A keeper (10) is adapted for installation on a rear panel of a truck cab for holding a pair of gladhands (18,20) and an electric plug (22). The keeper is a one-piece unitary structure of molded plastic. It comprises a pair of gladhand receptacle members (... | 01/04/1983 |
| 4366966 | Jackknifing-angle limiting device for articulated motor vehicle A jackknifing limiting device for articulated motor vehicles in which the vehicle has a front section and a rear section which are connected by a hinge therebetween, the device acting to limit the angle between the front and rear sections when the vehicle... | 01/04/1983 |
| 4366967 | Coupling hook assembly A coupling hook assembly having a hook body defining an enclosed hook pocket with a locking bolt extending from a first aperture in the hook body into operative engagement with a hook jaw to lock and unlock an implement pin for joining a trailer with an a... | 01/04/1983 |
| 4366968 | Combination ski boot retainer and ski brake A ski stop is associated with a heel tightener for safety ski bindings that comprises a boot heel-supporting turntable to which there are pivotably secured two pull members, one passing each side of the boot heel, which carry a sole retainer movable again... | 01/04/1983 |
| 4366969 | Adjustable leveling suspension unit for vehicles An adjustable leveling suspension unit for vehicle shock absorbers having an external coil compression spring in cooperation therewith in the general manner of the MacPherson type strut assembly. The adjustable leveling unit includes a seat for the coil s... | 01/04/1983 |
| 4366970 | Theft prevention method and apparatus for wellheads A flange juncture of a wellhead is protected by first and second stainless steel clam shell closure members of substantially identical construction which are positioned over the flange juncture and welded by stainless steel welding procedures to preclude ... | 01/04/1983 |
| 4366971 | Corrosion resistant tube assembly A corrosion resistant tube assembly is disclosed comprising a corrosion susceptible metal tubing having an outside surface, an inside surface and end surfaces. Peripheral end portions of the tubing are provided with an overlay of corrosion resistant metal... | 01/04/1983 |
| 4366972 | Pipe coating system A seamless coating system especially applicable to a welded bell and spigot type joint for steel pipe of exceptionally great length and diameter features a double layer of coating material applied to the outside surface of the pipe and extending over the ... | 01/04/1983 |
| 4366973 | Rotating pipe coupling A rotating union wherein an inner cylindrical tube fits within an outer coaxial cylindrical tube. First and second bearings are between the tubes with the first bearing being closer to the end of the outer tube. The first bearing is attached to absorb sub... | 01/04/1983 |
| 4366974 | Panic handle for doors The present invention provides a combination door and panic handle for use on the interior side of entrance doors. In one mode of operation the panic handle may be moved inwards towards the door face to unlatch the door. In this mode of operation the door... | 01/04/1983 |
| 4366975 | Stop device for securing doors and portals This stop device fixed to the floor, for securing a door in cooperation with a floor bolt, particularly when the door is in its normal closed position, is characterized in that it comprises, on the one hand, a stop element having a front part provided wit... | 01/04/1983 |
| 4366976 | Cushioning means for motor vehicles A bumper bar is projected by hydraulic actuators, which communicate with a chamber, which is separate from the actuators and contains hydraulic liquid. The chamber and a floating piston are integrated in the bumper bar. This arrangement permits compact cu... | 01/04/1983 |
| 4366977 | Partition for a cargo transporter A removable and movable partition (10) for dividing up the interior of a cargo transporter has a boundary made up of mutually perpendicular inflatable tube sections (11,13,15,17) which rigidify upon inflation and urge themselves tightly into contact with ... | 01/04/1983 |
| 4366978 | Locking means for a forwardly foldable seat back An automobile has an operable rear panel such as a rear trunk lid or a back door. A rear seat assembly has a rear seat back which is forwardly foldable to provide an increased package space. A locking mechanism is provided for holding the seat back in the... | 01/04/1983 |
| 4366979 | Extendible structure forming shelter adaptable on the roof or top of an automobile vehicle The present invention relates to an extendible structure forming shelter adaptable on the roof or top of an automobile vehicle, wherein the structure comprises a lower shell and an upper shell which are connected to each other by articulated assemblies ea... | 01/04/1983 |
| 4366980 | Stackable armchair A stacking armchair and a metal chair frame therefor. One frame member has an U-shaped, horizontal portion and a pair of vertical front legs. The horizontal portion comprises a lateral rear portion and horizontal side portions that lie generally parallel ... | 01/04/1983 |
