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Patent # Description
US-4,341,520 Dental handpiece bearing suspension system
A dental handpiece is disclosed for rotating a bur in a housing having an enclosing cap, utilizing an air-driven, axial-flow turbine mounted on a shaft between...
US-4,341,519 Dental angled vibration member
A surgical dental or dental technician's angled vibration member consisting of a gripping sleeve portion having a drive shaft supported therein, and an end or...
US-4,341,518 Dental handpiece
An air driven dental handpiece is disclosed for rotating a bur in an angled housing that utilizes an arrangement of cooling water, chip air, and light services...
US-4,341,517 Curing kiln
A kiln for curing or drying articles has a heated chamber having at least two wall sections which are formed by two vertical panesl which rotate as part of a...
US-4,341,516 Grain dryer with heat exchange assembly
In accordance with the present invention, a grain dryer having a heat exchange assembly is provided. The grain dryer comprises a housing and a generally vertical...
US-4,341,515 High turndown ratio fluidized bed reactor and method of operating the reactor
A method of operating an adiabatic fluidized bed reactor, and an adiabatic fluidized bed reactor, including the step of providing pressurized air to an adiabatic...
US-4,341,514 Standoff for two component lining and method of installation
An apparatus is disclosed for securing a two component lining to the inside shell of a rotary kiln or the like. The apparatus includes a plurality of standoffs...
US-4,341,513 Subminiature photoflash lamp having light-emitting pyrotechnic charge
A subminiature photoflash lamp which includes a pyrotechnic charge centrally disposed within the lamp's plastic, light-transmitting envelope. The charge is...
US-4,341,512 Burner
A combination oil and gas fired burner includes a body, an air nozzle and an end plate. The end plate is mounted on the upstream end of the body and holds the...
US-4,341,511 Device for automatic adjustment of an injection molding press
Adjustment device for the locking jack 9 of a molding press comprising, on a base 1, a mold 4 held by a fixed plate 2 and a movable plate 3 controlled by a rapid...
US-4,341,510 Multiple press for ceramic moldings
A multiple press having a plurality of molds for forming ceramic moldings. The press includes a base frame on which a movable mounting plate is mounted. The...
US-4,341,509 Crosshead extrusion die
A die assembly for extruding a cover of a thermoplastic material over on plurality of bare or previously covered wires. The assembly comprises a two-part die...
US-4,341,508 Pump and engine assembly
A pump and engine assembly according to the present invention is adapted for skid mounting and incorporates a pair of engines positioned in side to side...
US-4,341,506 Apparatus for the generation of compressed air
Apparatus for the generation of compressed air includes a compressor, a motor for driving the compressor, a supply source of liquid lubricant for cooling the...
US-4,341,505 Sonic pressure wave pump for low production wells
A sonic pressure wave surface operated pump for use in pumping liquid from low production wells. The pump includes an aboveground generator which produces sonic...
US-4,341,504 Pump control system
A bubbler tube is used to sense the liquid level in a wet well. Controls provide a constant flow of air, approximately 11/2 to 1 cubic foot per hour, through the...
US-4,341,503 Pump for fluid media
A pump for fluid media, with an inner pipe or tube arranged in a housing. A drive shaft is journalled in the inner tube, and a rotor is arranged in the housing....
US-4,341,502 Assembly robot
An assembly robot includes a quadrilateral link mechanism formed by plurality of links. Swinging or movement devices are connected to two adjacent links and are...
US-4,341,501 Hydraulic control valve circuit for a swing mechanism
A unique hydraulic circuit is provided for converting rectilinear motion to rotational motion about an axis through the use of two pivotally mounted hydraulic...
US-4,341,500 Loading equipment
Loading equipment which is suitable for loading exchange platforms of two different platform frame widths onto a truck chassis or dumper frame and for unloading...
US-4,341,499 Blade retention system
A blade retention system for use in a fully articulated rotor head of a rotary wing aircraft is described. The retention system comprises a separate elastomeric...
US-4,341,498 Method and apparatus for blanking, folding and inserting membrane into container covercap
A method and apparatus for blanking, folding and inserting induction heat sealable membranes, having a disc and integral tab portion, in container covercaps in...
US-4,341,497 Prevailing torque bolt
A threaded fastener, such as a bolt, has an externally threaded shank with a standard thread portion along its end portion and a modified thread portion adjacent...
US-4,341,496 Seat pallet lock
A seat pallet lock and more particularly an improved seat pallet lock for utilization with aircraft passenger seat pallets to retain such pallets in the...
US-4,341,495 Container corner post locking assembly
A corner post locking assembly for locking together two cargo containers placed one upon another; the assembly including an upper activating unit and a bottom...
US-4,341,494 Variable-length reduced pivot for railway car
A reduced-pivot assembly for supporting one end of a load for movement along a track in which a load support member for receiving that end is supported on a...
US-4,341,493 Adjustable clamping wedge system for cutting insert of a milling cutter
A milling cutter includes an array of pockets each having radially extending side walls and a base wall from which radially projects an elongated locating rail....
US-4,341,492 Method for pneumatically handling agglomerative materials
A method for pneumatically handling material having a slurry-like consistency such as chicken hatchery waste material includes a hopper for accepting the waste...
US-4,341,491 Earth retaining system
An earth retaining system defining a tension loaded structure for positionally maintaining horizontal and vertically displaced loads. The tension loaded...
US-4,341,490 Self-sustaining land irrigating and hydroelectric power generating system
A practical, economical and self-sustaining irrigation system for extensive arid regions utilizes a network of hydraulic ram fitted gravity-feed water tanks...
US-4,341,489 Offshore reef
An offshore reef assembly having rows of reef members of concrete or similar material with the configuration of each of the reef members providing inclined side...
US-4,341,488 Guidepost for parking vehicles
A guidepost device to be located and positioned in a garage, or other vehicle-parking area, which is arranged to be engaged by the vehicle being parked, the...
US-4,341,487 Connector
The invention provides a dowel connector which comprises a tubular body of resilient material having a longitudinal slot in the wall of the body, the slot...
US-4,341,486 Locking tab for hook-in type shelving
An improved locking tab for horizontal components of hook-in type shelving, of the kind that is integral with the horizontal components and bent into the upper...
US-4,341,485 Joining device
A device for joining furniture panels comprises a pin (2) in the form of a steel screw having a commonly employed thread on its shank, which can be any of the...
US-4,341,484 Hydraulically expandable friction coupling
In a hydraulically expandable friction coupling for connecting a shaft to a hub there are two concentrically arranged cylindrical sleeves between which a...
US-4,341,483 Adjustable connecting apparatus
The apparatus includes a first connecting link having a pair of axially opposing ends with one of the ends being coupled through a uniball to a drive portion of...
US-4,341,482 Housing assembly for fluid marking device
A housing assembly for a writing instrument is provided comprising a long, hollow barrel member and a ferrule member assembled in end-to-end relationship to...
US-4,341,481 Writing instrument with barrel and ferrule assembly
A housing assembly for a writing instrument is provided comprising a long, hollow barrel member and a ferrule member assembled in end-to-end relationship to...
US-4,341,480 Feed mechanism for continuous and cut form paper
A cut form paper transport apparatus in a belt printer includes driven exit friction rollers disposed for rolling engagement with a pressure roller pivotally...
US-4,341,479 Typewriter ribbon cartridge actuating device for portable typewriter
A portable typewriter particularly adapted for juvenile use comprises a plurality of types, a plurality of key levers each of which has a key and arm, an...
US-4,341,478 Wire printing device
A wire printing device comprises a plurality of printing wires, each one associated with a corresponding driving electromagnet and a frame which is constituted...
US-4,341,477 Paper handling assembly for typewriters or like machines
A paper handling assembly supporting a platen, a paper bail adjustably mounted for movement relative to said platen and a paper guide trough adjustably mounted...
US-4,341,476 Apparatus for treating materials containing cocoa butter
An apparatus for treating materials containing cocoa butter with regard to air entrained therein in which rotating blades beat and distribute the air bubbles in...
US-4,341,475 Apparatus for driving a rigid body for the purposes of producing a tumbling movement during rotation of the body
A body (1) serving for accommodating material to be processed is movable in gimbal suspensions (35-40) around two mutually spaced axes (39,40) extending in...
US-4,341,474 Extruder screw
An extruder screw having a root, a helical primary flight on the root and a helical barrier flight on the root and forming with the primary flight a solids...
US-4,341,473 Measuring head in or for a densitometer
A measuring head for a densitometer comprises a light source and an optical system for forming a spot of light of defined size on the surface of an object under...
US-4,341,472 Method and apparatus for positioning a tapered body
A technique for positioning a body having a tapered profile when viewed along a first axis comprises exposing the body to a first beam of light oriented along...
US-4,341,471 Apparatus and method for measuring the distribution of radiant energy produced in particle investigating systems
In an apparatus in which particles are passed through an optical sensing zone to measure their radiant energy distribution such as, for example, light scattering...
US-4,341,470 Atomic absorption spectroscopy
A method and apparatus for carrying out atomic spectroscopy, and particularly atomic absorption and atomic fluorescence spectroscopy. The method involves passing...
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