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| Patent # | Description |
|---|---|
| US-3,978,775 |
Liner insertion apparatus A liner of flexible sheet material is placed on a table on which a longitnally-slotted cylindrical tube and a cylindrical container of slightly larger inner... |
| US-3,978,774 |
Tray forming machine A machine which forms a tray from a flat blank wherein the formed tray has horizontally disposed shoulders extending across the top thereof. |
| US-3,978,773 |
Package liner forming and feeding apparatus The liners are formed from flat corrugated paper sheets that are stored on edge in a magazine. A vacuum picker transfers single sheets to a conveyor and they are... |
| US-3,978,772 |
Piston shoe for fluid pressure pump motor A piston shoe for fluid pressure pump motors of the piston type is substantially disc-shaped and includes a concave portion provided upon one end face thereof... |
| US-3,978,771 |
Mechanical piston retention for free wheeling A fixed displacement fluid motor or pump of the ball or roller piston type in which a plurality of axially or radially extending reciprocating pistons coact with... |
| US-3,978,770 |
Pressure follow-up control means for servo-steering systems, and the like The springs associated with the control valves of a servo steering system are prestressed at least in that position of the valves where associated connections... |
| US-3,978,769 |
Bucket positioner kickout slave cylinder A combination slave cylinder and relief valve for controlling release of a valve lever from a detented position. The valve is operated by pressurized fluid and... |
| US-3,978,768 |
Transfer feed system Apparatus for transporting work over a predetermined path previously requiring a transporting mechanism of a minimal dimension with respect to the corresponding... |
| US-3,978,767 |
Automatic center holding fixture for an annular workpiece An apparatus for gripping the interior surface of an annular opening in a workpiece includes a baseplate and a set of elements circularly arranged and coaxial... |
| US-3,978,766 |
Apparatus and method for machining continuous mixer agitators and the
like Apparatus for machining a desired profile in a continuous mixer agitator and the like includes an attachment for a vertical boring mill or lathe and the like,... |
| US-3,978,765 |
Internal and external cutting tool The cutting tool may be employed to shape an internal hole, provide a form to the outer periphery of a workpiece, or shape a hole to a predetermined form while... |
| US-3,978,764 |
Automatic key duplicating apparatus Disclosed is a key making machine with a sample vise for receiving and retaining a sample key to be duplicated and a blank vise for receiving and retaining a key... |
| US-3,978,763 |
Buffer device for a self-loading small arm A self-loading small arm which comprises a movable assembly and a buffer device for taking up the recoil energy of the movable assembly. The buffer device... |
| US-3,978,762 |
Compensator for sporting firearms A compensator for sporting firearms, made as a case formed by two bars which are interconnected by means of crosswise baffle plates provided with holes for a... |
| US-3,978,761 |
Fastener assembly A fastener assembly comprising in overlying, stacked relationship a flat washer, an elastically deformable washer and a nut all enclosed in a shroud which... |
| US-3,978,760 |
Self-thread forming threaded fasteners and blanks for making same A self-thread forming threaded fastener has a straight thread on a shank of circular cross section and a tapered thread on the work-entering end. The tapered... |
| US-3,978,759 |
Contractible guide for studs A resilient, axially slotted sleeve in the form of a split collar is removably mounted on the trailing threaded end portion of a fastener to be driven into hard... |
| US-3,978,758 |
Bolt and process of forming same An auxiliary head with a peripheral wrench surface is secured on a body member of a type having a threaded shank, a head, and lateral projecting means adjacent... |
| US-3,978,757 |
Instructional display device operated responsive to the playing of
stringed musical instruments Separate areas of a display board are selectively activated either separately or in various combinations to illustrate a chord diagram, a fingerboard diagram,... |
| US-3,978,756 |
Guitar instruction system An instruction system for a string instrument such as a guitar comprising note indicia underlying the strings of the guitar along the fingerboard and adjacent to... |
| US-3,978,755 |
Frequency separator for digital musical instrument chorus effect To provide a chorus effect in a digital musical instrument frequency separation between tones read out of two or more memories is effected by modifying the coded... |
| US-3,978,754 |
Voltage controlled type electronic musical instrument This invention provides an electronic musical instrument comprising a keyboard circuit for producing a pitch determining voltage signal representing the note of... |
| US-3,978,753 |
Adjustable perforator wheel An adjustable perforator wheel for use in providing a tear line in a sheet-type workpiece. The perforator wheel includes a pair of slotted wheels which are... |
| US-3,978,752 |
Intermittent perforator wheel An intermittent perforator wheel structure for providing a tearing edge in a workpiece sheet. The tearing edge is defined by a line of spaced elongated slits and... |
| US-3,978,751 |
Apparatus for cutting fibrous tow into staple This patent presents apparatus for cutting staple fibers to predetermined accurate lengths from yarn, tow or ropes. The apparatus includes a circular assembly... |
| US-3,978,750 |
Apparatus for adjusting a frequency of an oscillating element provided a
hair spring An apparatus for adjusting the frequency of an oscillating element provided with a hair sp extracts an oscillating signal from the oscillating element which is... |
| US-3,978,749 |
Cutting device for coated plates This invention relates to a cutting device for coated plates comprising frame means, First stationary cover plate means on said frame means, Second movable cover... |
| US-3,978,748 |
Fluid jet cutting system Apparatus and method are disclosed utilizing a high strength fluid jet in an operative cutting system. A computer driven carriage and nozzle movable on the... |
| US-3,978,747 |
Method and apparatus for severing reinforced elastomeric tubular articles Reinforced polymeric tubular articles, e.g., wire braid reinforced hose, are severed into desired lengths by clamping the tubular article in a split fixture, the... |
| US-3,978,746 |
Device for removing flash after resistance butt welding of rails A device for removing flash from rails after resistance butt welding, mounted on a welding machine case and split along the vertical axis of the rail, comprising... |
| US-3,978,745 |
Numerically controlled automatic lathe A tool actuating mechanism in which first and second main cam shafts are driven by first and second numerically controlled drive means, respectively, and at... |
| US-3,978,744 |
Diamond wire drawing die blanks and methods of making the same A diamond wire drawing die blank and method for making the same are provided in which a diamond die blank is formed by metering about one half of a metal powder... |
| US-3,978,743 |
Fluid pressure control system for automatic transmission A fluid pressure control system for automatic transmission includes a fluid pressure source, a fluid pressure regulating valve for regulating the fluid from the... |
| US-3,978,742 |
Epicyclic gear assemblies An epicyclic gear change assembly capable of giving a planetary ratio and direct drive and having first means for frictionally connecting two members of... |
| US-3,978,741 |
Variable-profile cam, especially for a reproducing machine The invention relates to a variable-profile cam of the kind comprising a cam-surface formed by one of the longitudinal faces of a thin strip extending freely... |
| US-3,978,740 |
Adjustable steering column An adjustable steering wheel assembly for a motor vehicle comprises an elongated guide member secured to the motor vehicle body having an arcuate shaped... |
| US-3,978,739 |
Transmission shift control Gear shift movements from a main frame are transmitted to a gear transmission shift control, located on a sub-frame pivotally connected to the main frame, by... |
| US-3,978,738 |
Toggle manipulator Manipulator operating switches with the aid of a lever moving around a knuckle. The lever is associated with two rectangular devices each of which being returned... |
| US-3,978,737 |
Chain tensioning device A chain tensioning device is provided wherein a spring biased sprocket engages a chain to exert tension thereon. The device includes a mechanism to allow a... |
| US-3,978,736 |
Pilgrim step indexing mechanism A pilgrim step indexing mechanism provided with oppositely facing toothed ratchet wheels of the same pitch is associated with a single indexing pawl and an... |
| US-3,978,735 |
Electrically adjustable vehicle accessory An assembly, specifically a mirror assembly for a motor vehicle, in part angularly adjustable by an electric motor and drive mechanism. A fixed motor drives a... |
| US-3,978,734 |
Method for recording stationary flow patterns at boundary surfaces Stationary liquid flow patterns at boundary surfaces are recorded by coating the boundary surface with a layer of lacquer which can be attacked and exposing the... |
| US-3,978,733 |
Sampler for extracting core samples A sampler for extracting core samples from a mass of sugar cane. The sampler is mounted on a fixed or movable support which includes a plate member on which the... |
| US-3,978,732 |
Sampling system for power generators A system for automatically monitoring and sampling thermally decomposed products entrained in a gas stream coolant of a power generator. If a gas stream... |
| US-3,978,731 |
Surface acoustic wave transducer Surface acoustic waves are propagated across a thin, flexible diaphragm which is subjected to an applied external pressure. Since the wave velocity and path... |
| US-3,978,730 |
Indicating instruments An altimeter has a rotatably-mounted index that is driven to rotate through one complete revolution around a scale for each change of 1,000 feet in altitude... |
| US-3,978,729 |
Circuit for monitoring temperature of high-voltage equipment This invention relates to an improved circuit for measuring temperature in a region at high electric potential and generating a read-out of the same in a region... |
| US-3,978,728 |
Fluid flow measuring devices The invention forming the subject matter hereof comprises a flow measuring device for use in fluid-carrying conduits characterized by an elongate housing member... |
| US-3,978,727 |
Method and device for correcting the output signal from a digital
transducer for measuring a physical magnitude... A method and circuit is provided for correcting an output signal pulse train received from a digital transducer representing a physical magnitude. The pulse... |
| US-3,978,726 |
Fluid current meter Two pairs of acoustic transducers are provided for obtaining fluid current velocity measurements. The pairs of transducers are mounted in a supporting ring which... |
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