Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,493,244 |
Pneumatic door operator Pressurization of closing and opening chambers of a door operator is controlled by first and second magnet valves coupled to the source of air. These valves are... |
| US-4,493,243 |
Vacuum suspended type servo device In a vacuum suspended type servo device, there is arranged a power ratio adjusting means for adjusting the power multiplying characteristic of the servo device... |
| US-4,493,242 |
Actuator for power chuck A chuck actuator has a cylinder extending along a main axis and a piston axially displaceable in the cylinder, forming therein two compartments, and having an... |
| US-4,493,241 |
Device operating by means of pyrotechnic charges for releasing joints
subject to load A device is described which operates with pyrotechnic charges to release nts under load effected between a plurality of constructional components and including... |
| US-4,493,240 |
Parachute line cutting device An explosive line cutting device is provided with a frictional igniter assembly permitting actuation throughout a broad range of positional attitudes. An... |
| US-4,493,239 |
Range clearance by enhancing oxidation of ferrous ordnance in-situ A method of clearing a target range or other area of buried unexploded ornce (UXO) by advancing natural galvanic electrochemical corrosion whereby ferrous parts... |
| US-4,493,238 |
Violin bow with adjustable weight The combination of a violin bow and a weight mounted on the rod section of the bow so that both the magnitude of the weight and the position of the weight... |
| US-4,493,237 |
Electronic piano The invention relates to an electronic percussion-type musical instrument, such as an electronic piano, capable of producing electronically sounds simulating a... |
| US-4,493,236 |
Mailing machine tape knife A device for cutting roll tape, including a frame, a serrated rotary blade pivotably mounted in the frame, the rotary blade having a plurality of cutting teeth... |
| US-4,493,235 |
Axially adjustable helical cutting blades for rotary web shearing machine A rotary web shearing machine equipped with pairs of rotating helical blades, the improvement for adjusting the clearance between the blades which makes it... |
| US-4,493,234 |
Device for straightening and cutting a textile strip A device for straightening a distorted strip article, particularly a textile strip having a marking thread or the like, and for cutting along a stitch or print... |
| US-4,493,233 |
Apparatus for cutting and conveying segments of wire or cable Apparatus is provided for repeatedly cutting segments from a strand of wire or cable and for conveying them to work stations so that either or both ends can be... |
| US-4,493,232 |
Adjustable mandrel for portable lathe An adjustable mandrel for securing a portable lathe adjacent the end of a pipe to be prepared for welding includes a lathe support plate that is adjustable about... |
| US-4,493,231 |
Method and device for machining brake disks The refacing of worn brake disks of vehicles is carried out on the vehicle itself by connecting an outer drive with the disk (27) or with the shaft (42) on which... |
| US-4,493,230 |
Apparatus to open and close a meter ring An apparatus for opening and closing a meter ring wherein the ring includes end portions extending outwardly and with each end portion including at least one... |
| US-4,493,229 |
Forming of extrusion dies A method of forming an extrusion die comprises forming an extrusion aperture in a die piece, forcing a flowable material partly through the extrusion aperture so... |
| US-4,493,228 |
Throttle control system for an automatic shift countershaft transmission A vehicular control system for automatically shifting a countershaft transmission wherein the power control means is controlled in accordance with a manually... |
| US-4,493,227 |
Self-locking differential gear unit; more specially for motor vehicles The spider of a differential gear unit is joined up with one half of a hydrodynamic coupling whose other, outer half is joined up by way of step-up gearing with... |
| US-4,493,226 |
Crankshaft for small reciprocating machines The crankshaft is of the type comprising, in succession in its longitudinal direction, a crank pin intended to receive a connecting rod big end, an eccentric of... |
| US-4,493,225 |
Neck-strain alleviator for bicyclists Disclosed is a quickly-adjustable while-in-motion bicycle handlebar securing device which enables a bicyclist to quickly and easily change the bicycle handlebar... |
| US-4,493,224 |
Remote manual shifting mechanism Disclosed is a mechanism for manually shifting gears of a transmission from a remote operating station control lever. The mechanism features a rotatable... |
| US-4,493,223 |
Gear shifting speed change apparatus for a rotary electric tool A gear shifting speed change apparatus for a rotary electric tool such as a drill having an electric motor driving a first pair of unequal diameter pinion gears... |
| US-4,493,222 |
Gearless speed and torque converter A gearless speed and torque converter is disclosed wherein a first member or input member fixedly mounted to a rotatable input shaft has an Archimedes spiral... |
| US-4,493,221 |
Variable speed, belt driven transmission system, speed sensing driver
pulley and method A method for shifting a transmission with a predominantly mechanical speed sensing actuator to within a 10 percent shifting zone around a chosen operating line... |
| US-4,493,220 |
Force measuring platform and load cell therefor using strain gages to
measure shear forces In a force measuring platform, a top plate 12 is supported on tubular load cells 16. The load cells have strain gages to measure the strain due to the horizontal... |
| US-4,493,219 |
Force transducer An energy conversion and transmission device is disclosed which, in its preferred embodiment, has a rigid substrate with a resistive area printed on its top... |
| US-4,493,218 |
Transducer system employing a spring with linear characteristics Apparatus indicating the linear movement of a member includes a pulley and a spring disposed on the pulley and having characteristics of producing a force... |
| US-4,493,217 |
Process and apparatus for measuring travel time differences of
ultrasonic pulses for the determination of flow... Laser beams are modulated by ultrasonic pulses transmitted through gaseous media as a means of determining flow field patterns and temperatures without... |
| US-4,493,216 |
Method and apparatus for conducting flow measurements on flowing media
according to the ultrasonic doppler method Due to a different configuration of the ultrasonic beam as well as different signal gate adjustments, two different doppler signal collection regions (V.sub.m1,... |
| US-4,493,215 |
Vibrator damping flow meter An electromagnetically excited vibrator with arms carrying baffle members at their ends that are immersed in the flow to be measured is mounted at one or more... |
| US-4,493,214 |
Transducers for providing an electrical signal representative of
physical movement A transducer, especially suitable for monitoring welds (22), in a sodium-cooled nuclear reactor, has two plates (11, 12) in sliding face contact with parallel... |
| US-4,493,213 |
Random vibrations testing device A random vibrations testing device comprising a noise generator the output whereof is connected to an input of a wide-band filter. An output of the wide-band... |
| US-4,493,212 |
Fiber optic mass sensor An optical sensing system for detecting a physical parameter such as acceleration, temperature or pressure through parameter induced motion of an optical element... |
| US-4,493,211 |
Continuous laminar smoke generator The invention relates to a smoke generator capable of emitting a very thin, laminar stream of smoke for use in high detail flow visualization. The generator is... |
| US-4,493,210 |
Anti-block control system test An anti-block control system has four identically designed control channels. Safety circuits (8, 8') are also provided for monitoring the system, as are devices... |
| US-4,493,209 |
Control system in a test device for testing a manual speed change unit The disclosure describes a control system in a test device for testing a manual speed change unit, for vehicle, provided with an input shaft driving means for... |
| US-4,493,208 |
Dual engine probe The probe includes an elongated body having a reduced diameter portion at the front thereof. A light-transmitting tube is located in the bore of the body and... |
| US-4,493,207 |
Method and apparatus for measuring the rate at which air infiltrates
into and out of buildings Tracer emission sources which emit tracer gas at a predetermined constant known rate are distributed throughout a building. The preferred source is a small... |
| US-4,493,206 |
Erosion test apparatus A test apparatus can test the erosion resistance of a specimen. The apparatus has an enclosure containing in its test chamber an abrasive medium. Also included... |
| US-4,493,205 |
Pneumatically driven rivet insert tool Pneumatically powered expansion rivet applicator tools. Each of the tools described herein comprise a rigid body adapted to be manually grasped by the user.... |
| US-4,493,204 |
Shaft straightening press with a traveling ram A shaft straightening press including a movable carriage which moves along the length of an "I" beam frame and includes a hydraulic ram used for straightening a... |
| US-4,493,203 |
Resilient internal mandrel An internal mandrel (10) is disclosed which is used for supporting the inner wall (30) of a pipe (12) during bending. The internal mandrel includes a urethane... |
| US-4,493,202 |
Railroad spike forging machine In a railroad spike forging machine of the type comprising a steel stock pointing roller assembly which longitudinally feeds pointed spike blanks along a... |
| US-4,493,201 |
Method of making a metal bottle for exotic gases under pressure A strong, seamless one-piece metal bottle of substantially uniform wall thickness for containing and dispensing gas under pressure is produced from a flat metal... |
| US-4,493,200 |
Portable sheet bending brake A portable sheet bending brake comprising a first member defining a clamping surface extending longitudinally, a second member extending longitudinally and... |
| US-4,493,199 |
Universal boltworks mechanism for safe door A universal boltworks mechanism is compatible for use with any of a range of shapes and sizes of safe door and is alternatively enclosed in an easily fabricated... |
| US-4,493,198 |
Anti-theft lock for pedal operated apparatus First and second stop bodies are arranged to clamp around the lever of a pedal which operates an apparatus. When the stop bodies are locked in place, the pedal... |
| US-4,493,197 |
Foulard machine Described is a foulard machine with the minimum possible application of liquor. For this purpose, a wiper is held against the circumference of an enlacing roller... |
| US-4,493,196 |
Ring construction and method of making same An improved ring construction suitable for rings, bracelets and similar articles of jewelry, in which a metallic braided decorative strip is underpinned to the... |
| US-4,493,195 |
Air conditioning system with evaporative cooling apparatus An air conditioning system with incorporated evaporative cooling apparatus dapted to sequentially pass compressed air from a compressor through a heat exchanger... |
Copyright 2008−2012 Patents.com
