An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 4437191 | Implant of ceramic material The invention relates to a new implant material of ceramic material for use in dentistry and medicine for replacing hard tissue, such as dental elements and bones. In order that the material may have sufficient strength characteristics, in particular tens... | 03/20/1984 |
| 4437192 | Implants of biologically active glass or glass ceramic containing titania A biologically active glass and class-ceramic composition useful for making surgical and dental implants comprising, by mol %,:... | 03/20/1984 |
| 4437193 | Protrusio cup A protrusio cup comprising an acetabular cup and a protrusio shell mounted on the acetabular cup so that the protrusio cup can be implanted as a unit. The protrusio shell has three flanges for engaging the ilium, ischium and pubis, respectively. The aceta... | 03/20/1984 |
| 4437194 | Intraocular lens assembly An intraocular lens assembly for permanent implantation into either an anterior or posterior chamber of an aphakic human eye is provided. The lens assembly includes four haptic positioners connected around the periphery of a lens body to maintain the lens... | 03/20/1984 |
| 4437195 | Self-inflating bedpan A self-inflating bedpan having means for readily, manually inflating the bedpan after it is positioned beneath a patient.... | 03/20/1984 |
| 4437196 | Support device for helping a person to get out of a bathtub The invention concerns a support device for helping a person to get out of a bathtub. According to the invention, the device includes at least one jack (11) for water supply and at least one handle (13) set in motion by said jack which can be lifted when ... | 03/20/1984 |
| 4437197 | Folding sofa-bed mechanism A folding bed frame for sofa-beds in which a plurality of frame sections, including a foot section, knee section, body section and head section are pivoted in end-to-end relation so as to be foldable between an extended bed-forming position and a retracte... | 03/20/1984 |
| 4437198 | Method of articulating a work supporting surface A method of articulating a work support surface in a machine by attaching the work support surface to a support arm; journalling the support arm through a first axis which is arranged in a pair of parallel slots in a pair of frame members secured to the m... | 03/20/1984 |
| 4437199 | Carpet cleaning device A carpet cleaning device having brush rollers which extend cantilevered on both sides of their point of drive and are plug-engaged in head pieces rotating on a shaft, the head pieces being extended by coupling bushings which engage at their free end, by m... | 03/20/1984 |
| 4437200 | Apparatus for continuous dehydration An apparatus for continuous dehydration of a cloth comprising two pairs of rubber rolls with the rolls of each pair pressed against one another, a cylindrical seal plate which is positioned between the two pairs of the rubber rolls in pressure contact wit... | 03/20/1984 |
| 4437201 | Soot blower The invention is directed to a soot blower for cleaning the interior surfaces of a boiler by discharging a suitable cleaning fluid from a nozzle against such surfaces. The soot blower includes a novel drive system operable both as the horizontal drive for... | 03/20/1984 |
| 4437202 | Automatic wall cleaning machine An automatic wall cleaning machine includes a suction device having plural elastic suction leaves having a trapezoidal plane view and a tapered shaped sectional view which are mounted on a peripheral part of a disc so as to contact adjacent side surfaces ... | 03/20/1984 |
| 4437203 | Cleaning head for wall washing machines A simplified and more convenient cleaning head for a wall washing machine includes a shell adapted for holding in the hand or mounting at one end of an elongated wand and also adapted to receive cleaning and rinse fluid lines contained in a vacuum hose at... | 03/20/1984 |
| 4437204 | Vacuum cleaner housing A vacuum cleaner housing having a covering which cushions the side surfaces of the housing and is formed by a wall of semi-rigid material of a cap placed over the housing, the wall extending in self-supporting manner at a distance from the housing side wa... | 03/20/1984 |
| 4437205 | Vacuum cleaner nozzle lift device A vacuum cleaner nozzle lift device for adjustably raising the front portion of the nozzle. The device includes a U-shaped front wheel assembly including a support having a rear bight pivotally mounted to the nozzle housing, a pair of forwardly extending ... | 03/20/1984 |
| 4437206 | Multiple reusable tubular casing, and apparatus and process for using same in the production of caseless (skinless) parboil or raw sausages A resuable tubular casing is made of porous polytetrafluoroethylene (PTFE) membrane for the production of caseless (skinless) parboil or raw sausages. The membrane has a micro-structure comprising PTFE nodes connected by PTFE fibrils with a porosity of ab... | 03/20/1984 |
| 4437207 | Magnetic, force-limited apparatus for tenderizing meat An apparatus for tenderizing meat has a movable head member with closely-spaced, independently force-limited cutting elements positioned over a conveyor belt for severing the meat fibers with orthogonally oriented cuts as the meat is successively position... | 03/20/1984 |
| 4437208 | Meat tenderizer A meat tenderizing machine formed of a pair of spaced parallel surfaces moving in the same direction but with one surface moving at a speed differing from the other with ribs extending crosswise in longitudinally spaced apart relation from the surfaces fo... | 03/20/1984 |
| 4437209 | Stuffing method A method of stuffing food product into controllably premoisturized shirred casing using a stuffing machine designed for use with more pliable, fully soaked casing. An internal sizing ring is used to prestretch the premoisturized casing to about its recomm... | 03/20/1984 |
| 4437210 | Bridge top stop for slide fasteners A bridge top stop for slide fasteners comprising: a body including a sidewall inwardly curved to define a substantially inverted U-shaped opening and a pair of plates connected at one edge by the sidewall, each of the plates including a pair of laterally ... | 03/20/1984 |
| 4437211 | Device for locking together stacked objects A device for locking together two stacked objects, each having a plate with an opening, the plates being in superposed relation and the openings being in registry. The device includes a housing, the top wall of which is the plate of the lower object. A bo... | 03/20/1984 |
| 4437212 | Clasp for garments, in particular furs Clasp for garments, in particular furs, which includes an eye element and a hook element having a base plate to be fixed to the garment, a positioning web and a locking web. The hook element is made in a single piece. Also the hook element is provided wit... | 03/20/1984 |
| 4437213 | Means for tenon-forming a shroud to a turbine rotor The invention contemplates a technique and machine for completing the assembly of a turbine-rotor stage by precision-peening blade tenons to secure shroud segments to successive blades. In the machine, a turbine-rotor assembly of multiple stages of blades... | 03/20/1984 |
| 4437214 | Non-machining method of manufacturing a solid-bottomed or internally flanged bearing race In a non-machining method for manufacturing a solid-bottomed or internally flanged bearing race, especially for rolling contact bearings, the starting material is in the form of a band. For the economical manufacture of this bearing race with an annular g... | 03/20/1984 |
| 4437215 | Thrust bearing with tapered lands A bored thrust bearing having a bearing face formed in series with tapered lands for forming a thrust load-carrying oil film, each tapered land being formed with a foot surface having a given sloping angle (ଲ) and an upper surface having a gentle sl... | 03/20/1984 |
| 4437216 | Method of manufacturing a heat exchanger for cooling and heating purposes A method and apparatus for manufacturing heat exchangers for cooling and heating purposes from substantially rectangular tube elements alternating with surface-enlarging members in the form of thin pleated metal strips being advanced, pressed against each... | 03/20/1984 |
| 4437217 | Composite ceramic heat exchange tube The heat exchange tube has a porous thermal shock resistant outer shell composed of a corrosion resistant ceramic material that may have a finned outer surface or a plain cylindrical outer surface. The outer shell contains an inner tube composed of a dens... | 03/20/1984 |
| 4437218 | Portable oil well turbine collar removing device A portable power operated apparatus that may be positioned adjacent a first stack of lengths of oil well tubing having collars screwed on first ends thereof. The lengths of tubing are subsequently removed from the first stack onto the apparatus. Each leng... | 03/20/1984 |
| 4437219 | Apparatus for retaining and installing an interior assembly of a universal joint A retainer for the parts of the interior assembly of sliding automotive universal joints, for example, of the tripod type constituted, of a splined hub with trunnions which support rollers with interposed bearing means, such as needle bearings. The retain... | 03/20/1984 |
| 4437220 | Method and apparatus for dismounting trunnion bearings A method and apparatus for dismounting a trunnion bearing from a universal joint utilizes a plate that is secured to the proximal arm of one yoke of the joint through which dismounting bolts are threaded into contact with the other joint yoke. Further thr... | 03/20/1984 |
| 4437221 | Process for inserting points in a mandrel A process for inserting points (38) on a mandrel (36) and a machine for performing this process. A working head (40) simultaneously ensures the insertion of a point and the making of a perforation (112) in the mandrel by means of a punch (94). The perfora... | 03/20/1984 |
| 4437222 | Method of manufacturing tape guides for recording and/or reproducing apparatus A method of making a tape guide pin or sleeve adapted to directly engage the back of recording tape or the like, comprises applying a surface layer of a nonmagnetic hard material on a base body of nonmagnetic material and then forming microscopic tips on ... | 03/20/1984 |
| 4437223 | Apparatus for debanding coiled strip Removal of tightly encircling bands from coiled strips is accomplished by transversely engaging a spaced pair of pinch rolls against the band on a coil and then severing the band therebetween and moving one pinch roll into engagement with the other pinch ... | 03/20/1984 |
| 4437224 | Tool changer for a revolving cutting press An arrangement in a revolving press for withdrawing or inserting a tool holder carrying a punch from and into an opening in a turntable of the press when the tool holder turns with the turntable to an exchange position. The tool holder is in the exchange ... | 03/20/1984 |
| 4437225 | Method of forming SOS devices by selective laser treatment and reactive formation of isolation regions Disclosed is a method of fabricating semi-conductor devices comprising the steps of: forming non-singlecrystalline semiconductor layer on a singlecrystalline insulation substrate, ion-implanting selectively material, which reacts with the semi-conductor l... | 03/20/1984 |
| 4437226 | Process for producing NPN type lateral transistor with minimal substrate operation interference The invention provides a unique sub-micron dimensioned NPN type transistor and method of making the same wherein hundreds of such transistors may be fabricated on a single chip with each transistor comprising an active region surrounded by field oxide com... | 03/20/1984 |
| 4437227 | Method of making improved tunnel barriers for superconducting Josephson junction devices During the manufacture of Josephson superconducting devices, it is necessary to provide on a substrate a base electrode, a counter electrode and a small tunnel barrier area therebetween. A novel method of making all three of these active elements in the s... | 03/20/1984 |
| 4437228 | Method of mounting a silicon pellet on a ceramic substrate A semiconductor device in which a silicon pellet is mounted on a ceramic substrate by means of a glass material of low melting point. To prevent the silicon pellet from being destroyed under thermal stress, the pellet is bonded to the glass material of lo... | 03/20/1984 |
| 4437229 | Methods of marking and electrically identifying an article A hybrid integrated circuit package (11) typically includes a circuit substrate or article (12) on which are formed thin film components (17, 18, 19) of a circuit (22) and to which is bonded at least one semiconductor chip (21). Prior to bonding the chip ... | 03/20/1984 |
| 4437230 | Motor having insulationless armature connections A method of preliminarily bending ends of windings in an armature assembly having at least two layers provides an armature assembly for a dynamoelectric machine that does not require a layer of insulation between terminal portions of conductive windings b... | 03/20/1984 |