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| Patent # | Description |
|---|---|
| US-4,497,396 |
Variable mechanical advantage shift lever A variable mechanical advantage/effective length shift lever assembly (12) of the first class lever type for a synchronized transmission (10) is provided. The... |
| US-4,497,395 |
Anti creep vehicle braking system allowing further additional braking
action application An anti creep braking system for a vehicle. A force transmission member is drivingly coupled to a part of the brake pedal and transmits braking force to a... |
| US-4,497,394 |
Piston having valves for a damper The piston comprises, fixed on a rod (9), a central element constituted by a thin perforated disc (8), and two lateral elements (6, 7) in which are provided... |
| US-4,497,393 |
Rotary retardation devices A rotary retardation device utilizing viscous fluid responsive to angular velocity in which the viscous fluid is retained in a cavity, one wall of which is a... |
| US-4,497,392 |
Rail vehicle disc brake caliper A rail vehicle disc brake caliper has a base frame (1) with a pivotally attached brake lever (3). Brake pads are provided on these parts in the vicinity of a... |
| US-4,497,391 |
Modular operational elevator control system An elevator control system wherein signals between fixtures and the controller are provided in time-division, half-duplex multiplexing protocol is disclosed.... |
| US-4,497,390 |
Self-adjusting ladder There is provided a self-leveling ladder which is particularly useful on uneven surfaces. The ladder includes an attachment generally U-shaped in form having... |
| US-4,497,389 |
Method of erecting drop scaffolding, a drop scaffolding structure, and a
scaffold coupling therefor Drop scaffolding is formed by assemblies of drop tubes 12 and scaffold tubes 15 extending transversely between the drop tubes. Each drop tube has a top coupling... |
| US-4,497,388 |
Pulsation dampener and acoustic attenuator A pulsation dampener and acoustic attenuator for hydraulic systems is designed to be inserted into a liquid flow line. The dampener is a flow-through device with... |
| US-4,497,387 |
Transformer with smooth-walled tank Transformer having an active part thereof disposed in an oil-filled, smooth-walled tank having side walls braced by ribs secured by welding and subdivided into... |
| US-4,497,386 |
Weighing apparatus including improved force-transmitting lever means Weighing apparatus of the short-stroke type is disclosed including a resilient parallel guidance arrangement (3) connecting a load-receiving member (2) for... |
| US-4,497,385 |
Combinatorial weighing apparatus A combinatorial weighing apparatus has a distribution table adapted to distribute a material to be weighed and supplied thereto, a plurality of distribution... |
| US-4,497,384 |
Reamer disassembly A wall contacting device, such as a roller reamer used in earth boring, includes a block, e.g. supporting one end of a roller shaft, making an interference fit... |
| US-4,497,383 |
Undercutting device for anchor holes A bore hole wall undercutting or reaming device in which a rotatable tubular support housing (1) (61) is adapted for rotation by drive means, has at least one... |
| US-4,497,382 |
Retractable core drill bit Retractable core drill bit having a hollow cylindrical body at its lower end to which a monolith core drill bit is screwed. A stop sleeve is provided on the... |
| US-4,497,381 |
Earth drilling apparatus and method Earth well drilling apparatus including piping in a well, a metal drilling tube within the piping, and a hydraulic jet drilling head secured to the lower end of... |
| US-4,497,380 |
Hand-held power tools including bearing supports for components
undergoing linear movement A hand-held power tool, for example a rotary percussive drill, includes a component for undergoing linear movement and a bearing support for the component. The... |
| US-4,497,379 |
Modular pivotal fluidic joint systems and components thereof Multi-path rotatable fluid couplings are formed from modular elements so as to have one, two or three axes about which relative rotation of supply and discharge... |
| US-4,497,378 |
Drilling and bolting turret A turret for mining appliances comprises a girder serving as a guide for a drilling carriage and a bolting carriage, which is mounted to pivot and slide along an... |
| US-4,497,377 |
Pneumatic tool A pneumatic tool is disclosed for use in puncturing or hammering applications, particularly cattle stunning and the like. The tool generally comprises a cylinder, a... |
| US-4,497,376 |
Interchangeable ram diesel pile A diesel-engine pile driving hammer provided with interchangeable rams for use in a single, outer, cylindrical casing. A large diameter hole or orifice is... |
| US-4,497,375 |
Force measuring apparatus mounted on tractor including Hall sensor
detecting deformation of flex rod to control... A force measuring procedure and a force measuring apparatus are used to control the power hoist of an agricultural tractor. The force measuring procedure... |
| US-4,497,374 |
Candle snuffer and method A candle snuffer is disclosed in the form of a unitary member having a pair of generally parallel, elongated tines. The tines are spaced by a distance slightly... |
| US-4,497,373 |
Fire and explosion detection and suppression The invention discriminates between the explosion of an ammunition round itself and the fire or explosion (e.g. a hydrocarbon fire) which may then take place in... |
| US-4,497,372 |
Anti-twist control system for deviated conductor driving systems A system for controlling the deviation of the path of oil or gas well conductor casing at a desired angle, curvature and orientation in the sea bottom stratum... |
| US-4,497,371 |
Setting tool and retrievable landing assembly Apparatus and method of positioning and seating a retrievable landing assembly within a packer bore receptacle in a well bore. Latching measure provided for... |
| US-4,497,370 |
Apparatus and method for recovery of liquid hydrocarbons from ground
water Apparatus and method for recovery of liquid hydrocarbons on ground water in which one or more perforate, small diameter (2 to 4 inch) well casings are installed... |
| US-4,497,369 |
Hydraulic control of subsea well equipment A control system (10) employable for purposes of effecting the operation of a plurality of actuable devices, which are located at a subsea site, from a position... |
| US-4,497,368 |
Hanger mechanism A universal liner hanger apparatus is shown for hanging a liner in a well bore which has a universal body having upper and lower connecting ends. A hanger... |
| US-4,497,367 |
Liner hanger A liner hanger having an elongate vertical body with a central flow passage means at its lower end engaged with a depending liner, releasable coupling means at... |
| US-4,497,366 |
Packer actuated vent assembly A packer actuated vent assembly comprising an outer barrel attached to a packer body, and a mandrel extension attached to the lower end of the mandrel of the... |
| US-4,497,365 |
Heat exchanger A heat exchanger having a hollow inner housing positioned within a hollow outer housing, each housing being incomplete about its periphery to provide a pair of... |
| US-4,497,364 |
Layered solid corrosion inhibitors for use in corrodible devices for
automatic addition to coolant systems A solid anhydrous composition comprising a surface layer formed of a caustic compound and a second layer formed of a corrosion inhibiting compound for use in a... |
| US-4,497,363 |
Plate-pin panel heat exchanger and panel components therefor A plate-fin panel for a heat exchanger may be either formed as an aluminum extrusion or fabricated from a corrugated metal sheet sandwiched between two flat... |
| US-4,497,362 |
Regenerative room air exchanger A regenerative room air exchanger for use in a house has a first vertically disposed conduit through which room air flows to be exhausted, the first conduit... |
| US-4,497,361 |
Regenerative heat and humidity exchanging apparatus The apparatus includes a housing that is divided into two parallel passages. A fan in one passage causes air from the outside of a building to flow through one... |
| US-4,497,360 |
Method of monitoring and controlling operating parameters of a machine
for the continuous casting of strips... The invention relates to a method for the monitoring and control of operating parameters of a machine for the continuous casting of strips between rolls,... |
| US-4,497,359 |
Die-casting method A die-casting apparatus having a runner 31 through which molten metal is injected into a die cavity for die-casting an article, a squeeze passage 17... |
| US-4,497,358 |
Process for the manufacture of a steel body with a borehole protected
against abrasion A process for providing abrasion and corrosion resistance in the borehole of a steel body comprising placing an alloying material of solid form within the... |
| US-4,497,357 |
Sectional folding closure A folding closure assembly for closing an opening. The assembly includes a track installed along the top of the opening, and a folding closure unit made up of a... |
| US-4,497,356 |
Screening apparatus An upright member for supporting partitioning panels having means for retaining a panel, and means for pivotally connecting the member to and adjacent member. |
| US-4,497,355 |
Woodwork cutting device such as a wood chisel with sharpening guides
provided therewith The present invention relates to a woodwork cutting device such as wood chisel or plane iron blade having a cutting end, one side with a beveled cutting edge... |
| US-4,497,354 |
Low noise planing machine, particularly hand planer To reduce operating noise, and particularly the impact of sound pressure waves on the internal structure of the planing machine, the edges defining separating... |
| US-4,497,353 |
Multipurpose material working tool A multipurpose material working tool includes a frame on which is mounted a headstock having a spindle extending axially therefrom which is adapted to receive... |
| US-4,497,352 |
Adjustable violin peg and dowel shaving device An adjustable Violin Peg and Dowel Shaving Device capable of shaving a tapered or non-tapered peg or dowel from a size substantially that of a full size cello... |
| US-4,497,351 |
Apparatus for filling a device with a fluid An apparatus for connection to the oil input of an engine which facilitates the emptying of oil contained within a can into the engine. The apparatus comprises a... |
| US-4,497,350 |
Vapor recovery system having automatic shut-off mechanism Flow through a vapor recovery nozzle is stopped when the liquid in a tank being filled reaches a predetermined level to cause a first diaphragm, which forms a... |
| US-4,497,349 |
Solution dispenser An apparatus for dispensing a gas contained in a sealed ampule, typically a radioactive gas dissolved in a saline solution. A housing with a cavity for receiving... |
| US-4,497,348 |
Apparatus and method for loading syrup and CO.sub.2 containers into a
portable post-mix beverage dispenser unit A lightweight, portable post-mix carbonated beverage dispenser unit for use in small offices or small-volume locations is described. Flavored syrup is supplied... |
| US-4,497,347 |
Mechanism for actuating the weft-inserting needles of a weaving loom In a device for driving the weft-inserting needles of a shuttleless loom in a rectilinear reciprocating movement, each needle is connected to the ... |
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