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| Number | Title | Issue Date |
| 4274157 | Hat or cap with adjustable band A ventilated hat or cap having an adjusting band which is preferably formed as a moisture absorbent sweat band, and which extends along the inside of the primary band structure of the hat, in spaced relation thereto to allow circulation of air upwardly an... | 06/23/1981 |
| 4274158 | Evacuated diving suit insulation An insulating material suitable for use in a diver's garment or garment-like apparatus. The insulating material comprises a multiplicity of layers of a flexible, stretchable material. These layers include a central core consisting of a gas permeable, pref... | 06/23/1981 |
| 4274159 | Waterproof zipper The present invention discloses a waterproof relief outlet in a chest wader. A waterproof folded funnel having a pair of inner flanges at one end is secured through a center seam of the chest wader. A funnel housing having an inner flap and an outer flap ... | 06/23/1981 |
| 4274160 | Uniform cap A uniform cap having a frame over which is fitted a flexible cover with a hollow tubular grommet to distend the cover includes a removable molded plastic stay upstanding from the front of the frame to maintain the grommet at a fixed elevation and to suppo... | 06/23/1981 |
| 4274161 | Crash helmet collar There is provided a collar for protection in an accident, the collar being in the form of an inflatable tubular body adapted to substantially surround a human neck. The collar is particularly suitable for use by a motor cyclist wearing a crash helmet.... | 06/23/1981 |
| 4274162 | Artificial replacement for a larynx A larynx replacement for installation in a patient's trachea comprises an air passage controlled by a valve. The valve is gas operated and sensing means are provided for detecting the presence of food or liquid in the patient's throat to close the valve, ... | 06/23/1981 |
| 4274163 | Prosthetic fixation technique In order to reduce the incidence of artificial joint failure at the interface where the prosthesis is bonded to the bone by cement, the artificial prosthesis is provided with openings, and is clamped in place to provide a peripheral seal around the end of... | 06/23/1981 |
| 4274164 | Endoprosthesis for a hip joint, especially for the hip joint of a human being An endoprosthesis for a hip joint is disclosed. The endoprosthesis includes a first cap-shaped, femur head shell which is arranged on the free end of the femur head and partially overlaps the femur head. The first femur head shell has a convex outer side.... | 06/23/1981 |
| 4274165 | Self-aligning cable guide assembly An improved cable guide assembly applicable to machinery, scientific instruments and prosthetic devices. When subjected to varying rotational and directional cable stress the assembly has the ability to automatically align itself so that cable stress is m... | 06/23/1981 |
| 4274166 | Socket or cast brim A quadrilateral or thigh brim suitable for use as a socket brim for an amputee or with a cast brace for patients with a leg fracture is disclosed. The brim is molded as a sleeve having a modified rectangular cross-section which substantially conforms to t... | 06/23/1981 |
| 4274167 | Oscillating bed A substantially planar platform having a mattress supported thereon is pivotally attached toward one end to a framework. A bed support structure has a pair of arcuate surfaces which engage the lower face of the platform. The arcuate surfaces are attached ... | 06/23/1981 |
| 4274168 | Patient transfer apparatus A patient transfer apparatus is provided which utilizes a movable cart onto which is structurally annexed an expandable series of finger-like projections fitted with rollers which, in an expanded mode may be inserted into correspondingly hollowed out area... | 06/23/1981 |
| 4274169 | Bed covering having tuckable portion A bed covering, which functions as a spread, comforter and top sheet, is formed by joining two identically dimensioned layers of fabric which are stitched together along three edges with a foot edge of the layers remaining unstitched. Each layer is genera... | 06/23/1981 |
| 4274170 | Collapsible kayak Collapsible kayak framework having a plurality of longitudinal members, formers and cockpit structure, which cockpit structure, when folded forms a portion of backpack frame. Longitudinal members extend between the bow and stern, and are releasably interc... | 06/23/1981 |
| 4274171 | Lifeboat Lifeboat in the general form of a hollow prolate spheroid having a hatchway opening in the upper portion and a weighted keel in the lower portion. The lifeboat comprises a main body having inner and outer skins spaced apart in a parallel relationship and ... | 06/23/1981 |
| 4274172 | Ramps A platform and ramp apparatus comprises a ramp and structure for securing the ramp to the platform. The securing means comprises link structure rotatably mounted on the platform to rotate about a first axis of rotation fixed relative to the platform, the ... | 06/23/1981 |
| 4274173 | Power driven brush assembly A power driven brush assembly for cleaning teeth or the like. The brush assembly is formed with a hollow handle element containing drive means coupled to a power transmission extending from the handle element through a handle extension which carries a plu... | 06/23/1981 |
| 4274174 | Toothbrush A toothbrush having a conically tapering stem-like grip with an essentially circular cross-section, whereby the bristle carrier, which is rounded on its back, extends toward the center axis at an angle between about 25° to about 35°. In the bend region ... | 06/23/1981 |
| 4274175 | Wiping device A wiping device for wiping windowpanes, particularly the windshield of an automobile. The device comprises an annular belt adapted to revolve along the entire periphery of a windowpane, and a wiper blade joined at its opposite ends to the annular belt and... | 06/23/1981 |
| 4274176 | Vacuum operated desoldering tool A tool for removing solder comprises a tubular body having a nozzle at one end thereof and a piston device arranged to reciprocate within the tubular body to produce a suction effect through the nozzle during a solder removing operation. The piston device... | 06/23/1981 |
| 4274177 | Carding A method and apparatus wherein a machine for carding cotton, man-made fibres and mixtures thereof is provided with a trash removing device usually in the form of a longitudinally fluted roller that cooperates mechanically with a roller clothed with flat-t... | 06/23/1981 |
| 4274178 | Device for stripping a fibrous web from a doffer in a carding machine A device for stripping a fibrous web from a doffer in a carding machine comprising a doffing roller for directly stripping the web from the doffer, a guide roller for guiding the web and a punched suction roller provided adjacent to the guide roller for f... | 06/23/1981 |
| 4274179 | Spinning frame apron clearer attachment An apron clearer attachment is illustrated having disengagable mounting means carried adjacent one end thereof for positioning the clearer attachment upon a pivotal mounting adjacent a sliver guide which introduces fibers to an apron assembly. The apron c... | 06/23/1981 |
| 4274180 | Jewelry clutch This invention relates to a jewelry clutch for securing articles together, the clutch including releasably connected male and female components. The male component comprises a pin and the female component comprises a retainer located in a carrier. The car... | 06/23/1981 |
| 4274181 | Pivotal and releasable strap coupling A coupling for connecting one end of a strap to a musical instrument or other body consists of a post fixed to the instrument and a catch fixed to the strap and cooperable with the post. The post has an enlarged head which is movable laterally into and ou... | 06/23/1981 |
| 4274182 | Apparatus for producing a simulated stria fabric An apparatus for producing velvet having an appearance similar to that of a woven velvet wherein slubbed yarns are used in the weft. The apparatus includes a non-contact heater for heating the pile of a fabric which is then pressed against a cool pattern ... | 06/23/1981 |
| 4274183 | Apparatus for copy-machining of a workpiece An improvement is disclosed in apparatus for copy-machining a workpiece from a master model, the apparatus being moved along the workpiece by a feed mechanism in response to the scanning of the master model. The improvement comprises a first tool and a se... | 06/23/1981 |
| 4274184 | Mesh distribution wheels Mesh distribution wheel for handling seine lines or like net materials. The wheel is provided with a series of pins directed radially outwards which are adapted to engage respective meshes in a series of meshes in the seine line or like materials. The pin... | 06/23/1981 |
| 4274185 | Roll assembly for use in rolling a wire rod A roll assembly for use in rolling a wire rod includes an arbor which has a slightly tapered periphery at the middle portion thereof, a liquid pressure applying channel provided in the arbor extending to the tapered periphery, a cemented carbide sleeve se... | 06/23/1981 |
| 4274186 | Heat exchanger A heat exchanger assembly and method for making the assembly. The assembly includes a pair of plates having longitudinal grooves which are joined together with the grooves mating with each other to define fluid-carrying channels extending between the ends... | 06/23/1981 |
| 4274187 | Spring installation tool for article loading machine A spring installation tool for article loading machines is provided to facilitate the application of a biasing spring to sets of guide fingers. Fundamentally, the invention includes an elongated frame member having a tubular portion at a first end thereof... | 06/23/1981 |
| 4274188 | Tension control of fasteners There is disclosed a technique for tightening threaded fasteners in which values of offset torque, initial tension rate relative to angle, final tension rate relative to angle and other joint related factors are empirically determined by instrumenting a p... | 06/23/1981 |
| 4274189 | Pilot bearing puller An apparatus is described for pulling the pilot bearing from a flywheel or the like comprising a support member having a pair of spaced-apart bolt members threadably mounted therein. The support member has a central opening formed therein between the bolt... | 06/23/1981 |
| 4274190 | Transit bus modernization method A method is disclosed whereby the exterior of an older bus can be refurbished and modernized to incorporate both the design features and certain advantageous mechanical functions inherent in modern bus exteriors. The method involves the stripping away of ... | 06/23/1981 |
| 4274191 | Method and apparatus for gapping woven slide fastener stringer having elements mounted on longitudinal member in edge of tape Slide fastener elements, mounted on a longitudinal support member woven in the edge of a tape, are removed by cutting the longitudinal support member on each side of each fastener element and pulling the tape longitudinally between opposed biased blades e... | 06/23/1981 |
| 4274192 | Tool shifter The present invention relates to a tool shifter which performs three kinds of operations, namely, grasping and releasing of a tool, changing of the attitude of a tool and inserting a tool into and removing a tool from a tool magazine by a single hydraulic... | 06/23/1981 |
| 4274193 | Method for making a closed gate MOS transistor with self-aligned contacts A method of manufacturing a closed gate MOS transistor having a self-aligned drain contact is presented which insures that the drain contact will have the minimum required geometry. The method employs a self-aligned procedure which insures that the drain ... | 06/23/1981 |
| 4274194 | Machine for assembling elastic bulbs to fragile tubular elements Apparatus and method for automatically assembling elastic bulbs to fragile tubular elements, such as the bulbs and pipettes of medicine droppers, in which a bulb and a tubular element held in axial alignment in a fixture are assembled by pressure exerted ... | 06/23/1981 |
| 4274195 | Assembly apparatus, particularly for the assembly of components upon carrier plates An assembly apparatus which is particularly useful in the manual assembly of circuit carrier plates with electrical components is formed with an upwardly facing working surface having thereon a support member for the carrier plates, with a plurality of re... | 06/23/1981 |
| 4274196 | Assembly table for conductor boards An improved assembly table for assembling conductor boards wherein integrated circuits to be inserted on the boards are conveyed by trays automatically and in a synchronized manner from a rotatable magazine to the conductor boards. The integrated circuits... | 06/23/1981 |
