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| Number | Title | Issue Date |
| 4226137 | Screw and nut mechanism A recirculating ball screw and nut mechanism wherein the screw of the mechanism comprises a shaft having an external helical groove, and the nut comprises a sleeve encircling the shaft and having an internal helical groove defining with the groove a helic... | 10/07/1980 |
| 4226138 | Device for lever operation of the air conditioning controls of an automobile A control arrangement with a single lever pivoting successively about two articulation axes. The lever is articulated on a fixed plate by the intermediary of at least one link. The link is articulated on the plate at a fixed axis while the lever is articu... | 10/07/1980 |
| 4226139 | Viscous shear dampers In a viscous shear damper the seismic mass is chamfered at all its corners. Thus, the clearances between the seismic mass and its casing are gaps with oppositely widening out sections separated by middle sections of smallest widths.... | 10/07/1980 |
| 4226140 | Self-propelled vehicle A skid-steerable self-propelled vehicle has a simple differential connected to the engine, and a variable speed drive connected direct across differential-speed elements of the differential. The vehicle can be steered using a device for adjusting the driv... | 10/07/1980 |
| 4226141 | Automatic transmission gear change shock reduction system particularly for automotive drive trains A control unit senses when a gear change command signal is generated and thereupon interrupts the supply of fuel to the engine for a predetermined time, for example about 100 milliseconds. Upon down-shifting, the interruption of fuel supply is delayed to ... | 10/07/1980 |
| 4226142 | Automatic transmission utilizing a slider for pressure distribution to servo-elements controlling the gear ratio In a hydraulic transmission in which couplings and brake bands (servo-elements) control the gear ratio and are themselves engaged and disengaged in accordance with pressure applied thereto, a motor-driven slider is provided to connect a main pressure sour... | 10/07/1980 |
| 4226143 | Method of making steel rule type piercing and blanking dies A steel rule first die is made by mounting steel rule elements, and other shearing elements if desired, in a die block in known manner. A punch die blank is mounted on a support having means for aligning the blank with such shearing elements. One or more ... | 10/07/1980 |
| 4226144 | Vise with watch component engaging jaw accessories A vise is provided to assist in performing various watch repair and maintenance functions and includes a pair of jaws having generally planar and parallel opposing surfaces. The jaws are supported for guided relative movement toward and away from each oth... | 10/07/1980 |
| 4226145 | Wire stripper A wire stripping tool with two facing jaw surfaces that slide over one another about a fixed pivot axis in a shearing motion. Arcuate grooves are formed in the facing surfaces at equal radii from the axis. The grooves lead inwardly from substantially radi... | 10/07/1980 |
| 4226146 | Portable lathe device The invention refers to a portable lathe device intended primarily for re-turning of worn-out brake discs of vehicles. The lathe device comprises a portable driving device, which via a clutch rotates the brake disc, when this is still mounted on the wheel... | 10/07/1980 |
| 4226147 | Slice control circuit for a slicing machine A slice control circuit senses the angular position of a blade employed to slice products, such as bacon or cheese. The position information is utilized to correctly position the product relative to the blade to obtain uniform slices. When slicing is inte... | 10/07/1980 |
| 4226148 | Device for translating and rotating a cutting platen with respect to a reciprocal cutter A device for cutting a piece of a flat workpiece at a selected location identifiable by two or more binary coded numbers which device includes a cutter, a cutting platen having an upper workpiece supporting surface and a lower portion, a plurality of upst... | 10/07/1980 |
| 4226149 | Apparatus for transversely severing or transversely perforating webs of material A machine for cutting or perforating webs of materials comprises a frame, a splined first shaft carrying a plurality of angularly spaced first tools and rotatable in the frame, a second shaft rotatable in the frame and parallel to the first shaft, support... | 10/07/1980 |
| 4226150 | Deflectable bearer roll This invention relates to die-cutting roll presses and, more particularly, to a means for adjusting the spacing between the axes of the anvil roll and the die roll of a press.... | 10/07/1980 |
| 4226151 | Slitter having arbor pairs mounted on a caster supported base shiftable and orientable along the slitter frame An arbor slitter for use in a slitting line, the arbor slitter having at least two pairs of cooperating, blade-carrying arbors. The inboard ends of the arbors of each arbor pair are supported by an inboard bearing housing. The inboard bearing housings of ... | 10/07/1980 |
| 4226152 | Saw guide subassembly for mitre box A saw guide subassembly for a mitre box includes a pair of saw guide elements with vertical guide means on their opposed surfaces. Slides are slidably seated on the saw guides and have bearing pads extending towards each other and guide means cooperating ... | 10/07/1980 |
| 4226153 | Compensating glass scoring head A glass scoring head which compensates for variation in the flatness of the glass to provide a score of uniform depth as it traverses the glass has an outer body adapted to be mounted in four possible positions to a bridge or the like to score glass in fo... | 10/07/1980 |
| 4226154 | Electronic musical instrument An electronic musical keyboard instrument has a unit separate from the main console and having switching means for performing the function of at least some of the keys and stops of the console that unit being adapted to be operated by a handicapped person... | 10/07/1980 |
| 4226155 | Music synthesizer A music synthesizer is disclosed which includes a keyboard for entering musical notes to be synthesized into the music synthesizer. The music synthesizer also includes a rhythm control arrangement, such as push buttons, for selecting prestored repetitive ... | 10/07/1980 |
| 4226156 | Percussion instrument with electric pickup unit An electric percussion instrument having at least one drum head is provided with a mute assembly arranged near the drum head and at least one mechanical-electric convertor containing a vibration responsive pickup element is incorporated into the mute asse... | 10/07/1980 |
| 4226157 | Waveform synthesis for an electronic musical instrument A plurality of rectangular waves of selected duty cycles and fundamental frequencies are generated. Selected ones of these waveforms are then added at selected amplitude ratios. Such additions provide resultant waveforms of desired fundamental frequencies... | 10/07/1980 |
| 4226158 | Damper assembly for keyboard musical instruments In the construction of a damper assembly for musical instruments, the conventionally used swingable damper lever for operationally relating a key to an associated damper wire is omitted and the swing movement of the key is either directly and indirectly c... | 10/07/1980 |
| 4226159 | Banjo construction A banjo construction in which the banjo tone ring has a wedge fit with the banjo rim. The banjo tone ring has a pair of radially spaced tone ring portions. A banjo bracket flange has a wedge fit with the banjo rim.... | 10/07/1980 |
| 4226160 | Unitary pick having multiple picking surfaces A pick having a pair of relatively spaced pick blades integrally connected and unitarily formed of a flexible and resilient material such that the normally spaced-apart relation of the string-engaging blades is selectively variable for changing the interv... | 10/07/1980 |
| 4226161 | Accordion support apparatus An accordion support apparatus having an elongated flexible belt surrounding the waist of the player. The belt is hooked to a ring attached to a link. The link has an end fastened to the lower part of the treble section of an accordion. The weight of the ... | 10/07/1980 |
| 4226162 | Attachment for musical wind operated instruments A device which consists of a hollow cylindrical member attachable to the end of a musical wind operated instrument. A stethoscope is located inside the hollow body and serves to pick up sounds issuing from the end of the muscial instrument. The hollow mem... | 10/07/1980 |
| 4226163 | Illuminated drumsticks A drumstick comprises a tip, a shank and a cap. The tip includes a light emitting diode and electrical leads connect the diode to a power source housed in a cavity formed between the shank and the cap. Threading the cap onto the shank effects a completed ... | 10/07/1980 |
| 4226164 | Split threaded coupling nut A pair of first and second coextensive generally semicylindrical nut halves are provided and include exterior surface portions engageable by hand or tools to facilitate turning of the halves, together, as a unitary nut. The nut halves include coextensivel... | 10/07/1980 |
| 4226165 | Fishing net A fishing net and a method for making the same. The net of the invention has a plurality of improved knots, each of which knots has four leg strings extending separately in four directions and one or both of the loops of warp and weft overlie each crotch ... | 10/07/1980 |
| 4226166 | Control unit for the supply of a work unit fed in parallel from a hydraulic station common to other units Hydraulic control. The unit is characterized in that it is provided, between an inlet well and an outlet well for pressurized fluid, with an obturator urged in the closed position by a resilient member arranged to act against the pressurized fluid in the ... | 10/07/1980 |
| 4226167 | Air-spring return air cylinder The use of the air-spring in automatically retracting (or extending) an air cylinder after it was extended (or retracted) by the air pressure supplied from the compressed air line is disclosed.... | 10/07/1980 |
| 4226168 | Spring-loaded brake cylinder A spring-loaded brake cylinder particularly for the air brake system of a railway vehicle has a piston slidable within a housing and a threaded shaft and nut assembly between the piston and a piston rod. The nut is carried upon a non-self-locking thread o... | 10/07/1980 |
| 4226169 | Adjustable expandable cryogenic piston and ring The operation of a reciprocating expansion engine for cryogenic refrigeration is improved by changing the pistons and rings so that the piston can be operated from outside the engine to vary the groove in which the piston ring is located. This causes the ... | 10/07/1980 |
| 4226170 | Method for manufacturing a lined container A method for making a container having an outer container tube of cardboard or the like and a lining of plastic or the like within the outer container tube, one end of the container exposing an openable lining side and the opposite end intended to be fill... | 10/07/1980 |
| 4226171 | Manufacture of paper tubes The machine supports a roll of paper from which tubes are formed and ejected continuously. The machine includes a turret having a predetermined number of paper tube forming spindles mounted in and supported therearound. The turret is adapted and arranged ... | 10/07/1980 |
| 4226172 | Method for manufacturing a square bottom bag A method and apparatus for manufacturing a square bottom bag is disclosed herein. The method comprises the steps of driving a web in a first direction and bending the web upon itself across its width as it is driven in the first direction to assume a U-sh... | 10/07/1980 |
| 4226173 | Protective cap for an exhaust pipe A protective cap for an exhaust pipe. A U-shaped clamp is disposed around the exhaust pipe adjacent its outer end and an arm which carries a lid is pivoted to the free ends of the clamp. The lid is adapted to enclose the outer end of the exhaust pipe and ... | 10/07/1980 |
| 4226174 | Humidifier The humidifier is comprised of a substantially rectilinear container having a water reservoir in the base thereof and aligned rectilinear openings in the major front and rear surfaces. The interior surfaces of the top and bottom walls of the container are... | 10/07/1980 |
| 4226175 | Apparatus for making hot beverages Even if freshly roasted and freshly ground coffee is used when percolating hot coffee, much or at least part of the fragrances and aromas originally contained in the coffee beans disappear into the environment instead of staying with the brew, therefore, ... | 10/07/1980 |
| 4226176 | Bread toaster Bread is toasted by being moved by a conveyor, in upright position, between a plurality of radiant heating elements. The conveyor is provided with vertically spaced metal endless belts that carry between them pusher members. The bread is fed toward the co... | 10/07/1980 |
