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| Number | Title | Issue Date |
| 4096749 | Core sampling device A core sampling device of the type utilized in forming concrete test cores in situ including a double-walled sleeve which is placed into the wet, fluid concrete in combination with an insertion tool whereby the sleeve, due to its configuration, may be pre... | 06/27/1978 |
| 4096750 | Hand-held micropipettor with fluid transfer volume adjustment mechanism A micropipettor having an adjustable stop threadedly engaged with an internal reciprocal plunger assembly for defining the stroke length of the plunger and thus of a fluid displacing piston that is attached to the plunger assembly. The adjustable stop is ... | 06/27/1978 |
| 4096751 | Hand-held micropipettor with fluid transfer volume adjustment mechanism A micropipettor having an adjustable stop threadedly engaged with an internal reciprocal plunger assembly for defining the stroke length of the plunger and thus of a fluid displacing piston that is attached to the plunger assembly. The adjustable stop is ... | 06/27/1978 |
| 4096752 | Oil well logging probe assembly A cylindrical high temperature logging tool assembly supended from the shield of a coaxial cable for insertion into the interior of a well bore. To isolate the instruments contained within the interior of the cylindrical assembly from the fluids or steam ... | 06/27/1978 |
| 4096753 | Mine equipment Mine equipment for measuring conveyor advance includes two roof support assemblies and control means to ensure each of the assemblies can be advanced only when the other assembly is anchored. The two assemblies are linked by a transducer which senses move... | 06/27/1978 |
| 4096754 | Removable probe A removably mounted probe provides access to a fluid enclosure. The front end of the probe has a collar which seats on a beveled shoulder to position the probe relative to the fluid enclosure. The back end of the probe extends through a ball valve and a p... | 06/27/1978 |
| 4096755 | Ultrasonic inspection apparatus Ultrasonic inspection apparatus is described comprising a linear array of contact ultrasonic transducers mounted on a carriage which moves over a surface to be inspected such that a relatively wide path is inspected as the carriage traverses the test surf... | 06/27/1978 |
| 4096756 | Variable acoustic wave energy transfer-characteristic control device The effective thickness of a piezoelectric unit comprising a plurality of contiguous layers is varied by selectively short circuiting one or more layers with switch means. This varies the electro-acoustic properties at an operating frequency that is exhib... | 06/27/1978 |
| 4096757 | Method and apparatus for examining weld defects in vertical pipes by supersonic waves An ultrasonic defect detection apparatus comprising a supersonic probe, a rotary shaft for revolving the probe along the inner surface of a pipe to be examined, and a hollow shaft removably connected to the rotary shaft for vertically moving the probe. Wa... | 06/27/1978 |
| 4096758 | Pressure to electric transducer A pressure to electric transducer is described employing an electrical capacitance formed by two parallel metal plates separated by a variable air gap, one of the plates being fixedly mounted and the other being movable to change the spacing in direct pro... | 06/27/1978 |
| 4096759 | Pressure gauge for indicating small pressure changes A pressure gauge for indicating small pressure changes includes a sac of thin flexible film material communicable with and inflatable by the pressure to be indicated, during use. The sac is supported by a base so that the sac effectively inflates in a gen... | 06/27/1978 |
| 4096760 | Pressure gauge A pressure gauge comprising a rigid housing in which a gauge member is located whose interior is subjected to the pressure to be measured. The housing includes a pressure equalizing device in the form of a cup-shaped resilient membrane or a resilient bell... | 06/27/1978 |
| 4096761 | Apparatus and method for incrementally rotating a shaft An apparatus and method for incrementally advancing a shaft by a selected rotational amount. The apparatus includes a belt trained about a pair of space driven pulleys, the belt forming both first and second runs between the pulleys. Each pulley is associ... | 06/27/1978 |
| 4096762 | Torsional sonic oscillator employing universal joints and tandem arranged oscillator rotors Paired unbalanced weight oscillator rotors are mounted in a drill stem or the like arranged in tandem and in symmetrical relationship, equally and oppositely off-centered from the longitudinal axis of the stem. The upper element is connected to a rotary d... | 06/27/1978 |
| 4096763 | Hypocycloidal reduction gearing A gear reduction mechanism wherein a modification of the hypocycloidal principle is used. The planet gear of the hypocycloidal arrangement has at least one-half tooth more or less teeth than one-half the number of teeth on the ring gear. Either the ring g... | 06/27/1978 |
| 4096764 | Power transmission belt structure and method of making same A power transmission belt structure and method of making same are provided wherein such belt structure has substantially its entire periphery covered by an outer fabric layer adjoined by an elastomeric layer with at least a portion of the elastomeric laye... | 06/27/1978 |
| 4096765 | Control linkage arrangement A control linkage arrangement for use in a vehicle drive. The drive includes a speed control apparatus having a movable control element for causing the speed of the drive to vary in accordance with the positioning of the control element. Manual control of... | 06/27/1978 |
| 4096766 | Self-contained modular joint, notably for robots Self-contained modular joint adapted to interconnect two machine elements to permit a relative rotation of less than one revolution therebetween, wherein the first element comprises a strap consisting of a pair of wing-like extensions encompassing the sec... | 06/27/1978 |
| 4096767 | Indexing and intermittent drive mechanism A control shaft extends through and is rotatable in a housing parallel to a stub shaft therein which has one end extending through one wall thereof. Within the housing are four bevel gears, one being keyed or fixed to the control shaft, a second rotatable... | 06/27/1978 |
| 4096768 | Hydro-mechanical transmission In a hydro-mechanical transmission for automobiles which has an input shaft, an output shaft, a differential gear set including an input element connected to the input shaft and an output element connected to the output shaft and two reaction elements, a ... | 06/27/1978 |
| 4096769 | Planetary gear type transmission A planetary gear type transmission designed to equalize the load on a plurality of planet gears meshed with a sun gear. The planetary gear type transmission includes an intermediate ring or annulus which is disposed between an outer ring gear in mesh with... | 06/27/1978 |
| 4096770 | Method and apparatus for modifying the position of a machine slide to compensate for different following errors On a machine having a cutting tool moving relative to a rotating workpiece, a method and apparatus are disclosed for holding a constant relationship between the cutting tool and an angular position of the workpiece for different velocities of the cutting ... | 06/27/1978 |
| 4096771 | Adjustable and floating boring bar stabilizer The boring bar of a boring plate lathe is provided with a device for maintaining the concentricity of the boring bar within the workpiece. This stabilizer assembly consists of a guide mounted on a piston shaft which is resiliently mounted in a cylindrical... | 06/27/1978 |
| 4096772 | Tire slitting apparatus A tire slitting apparatus for slitting tire carcasses circumferentially into segments comprises a frame with a tire slitting head mounted thereon to fit inside the body of a tire, and tire drive means to rotate the tire around the tire slitting head. Cutt... | 06/27/1978 |
| 4096773 | Self-aligning apparatus for scoring fracturable material An apparatus for scoring a glass sheet includes a scoring wheel rotatably mounted to one end of a shaft mounted in a rod end ball joint and a spring acting on the other end of the shaft to urge the wheel toward a sheet movement path under a predetermined ... | 06/27/1978 |
| 4096774 | Turret punches A machine tool, such as a turret punch, having one or more individual tools positioned in a tool holder member attachable to the turret and easily removable therefrom whereby tools are changed by changing turret tool holder members rather than by changing... | 06/27/1978 |
| 4096775 | Method of cutting wrappers for tobacco products and cutting table for carrying out said method A cutting table having a suction chamber and operable to retain tobacco leaves thereon. A plurality of knives are located adjacent the table, and the knives and table are movable relative to one another so that the knives can be exposed above the surface ... | 06/27/1978 |
| 4096776 | Retainer for punch and die sets A retainer arrangement is disclosed for securing punches, dies or similar machine tool elements within a bore in a tool holder body, the retainer providing for secure and accurately repeatable orientation of the punch or other element within the bore. The... | 06/27/1978 |
| 4096777 | Hand power table saw There is disclosed woodworking apparatus which is handpowered but permits accurate cuts by unskilled persons comparable to those which might be made by a radial arm or table saw. The apparatus includes a guide in which a handsaw is retained and restrained... | 06/27/1978 |
| 4096778 | Apparatus for processing tone signals Apparatus for producing vibrato has several analog shift registers with at least 29 stages whose inputs receive tone signals from an electronic musical device such as an organ or guitar and are connected to each other. The outputs of the shift ... | 06/27/1978 |
| 4096779 | String anchor replacement for repetition lever and jack in a piano action Rectangularly-shaped wooden anchors are adhered by glue onto face surfaces of a wippen and a jack in a piano action. Each has a central annular opening through which a looped portion of a string extends for connection to a spring used to impose a spring f... | 06/27/1978 |
| 4096780 | Stereophonic electromagnetic pickup device for stringed musical instruments An electric guitar with steel strings feeds into a stereophonic amplifier and loudspeaker system with two channels and is fitted with a pickup which senses each guitar string individually and proportions the signals from each string differently, so that e... | 06/27/1978 |
| 4096781 | Process and machine for production of braided packing Apparatus and method are disclosed for inserting an additive type thread along a surface area of a braided fabric. Base material containing bobbins are guided about the base material bobbin path, whereas bobbins containing the desired additive thread are ... | 06/27/1978 |
| 4096782 | Barrier for wheeled vehicles Previous devices for inhibiting the passage of pneumatically tired wheeled vehicles have been too heavy or bulky for quick deployment and easy transport. A portable easily assembled barrier is disclosed which has a number of planar cutters which have a ba... | 06/27/1978 |
| 4096783 | Mounting for ammunition containers on rapid-fire gun mounts A mounting for an ammunition container for mounted rapid-fire weapons comprising a yoke disposed on a bracket which yoke is pivotable about a horizontal axis disposed at about the level of the upper edge of the ammunition container to be contained therein... | 06/27/1978 |
| 4096784 | Hydraulic power system An hydraulic power system comprising a dual acting work piston adapted to be operatively connected to an external mass to be moved, the piston being instantly directionally responsive to a pair of control valves adapted to be sequentially opened and close... | 06/27/1978 |
| 4096785 | Elastic column of adjustable length A column including a cylinder, a piston axially slidable in the cylinder cavity, a piston rod axially projecting from the cylinder, and a valve permitting selective communication between the two compartments of the cylinder cavity separated by the piston ... | 06/27/1978 |
| 4096786 | Rotary fluid energy translating device A rotary fluid energy translating device having reduced noise levels and having a rotatable cylinder block with a plurality of cylinders therein and each having a movable piston, valve means having inlet and outlet port means adapted to serially connect w... | 06/27/1978 |
| 4096787 | Cylinder-and-piston arrangement and method of manufacturing the same A piston rod connected at one end to a piston slidably arranged in a cylinder projects with its other end through an opening in an end wall of the cylinder beyond the latter and a fork-shaped member is connected by a friction weld, that is without adding ... | 06/27/1978 |
| 4096788 | Apparatus for forming a container side wall An apparatus is provided for making a container having a tubular side wall by wrapping a blank around a mandrel to form a tubular side wall wherein a pair of wrapping wings are rotated about the axis of the mandrel by respective drive means. The drive mea... | 06/27/1978 |
