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| Patent # | Description |
|---|---|
| US-4,003,593 |
Push door-latch opener A push door-latch opener suitable for hospital rooms including a door mounting plate, a horizontal pivoting rod attached to the plate, a vertical pivoting rod... |
| US-4,003,592 |
Macrame assembly holder A self-supporting macrame assembly holder for hanging macrame at a variety of adjustable vertical positions while it is being completed comprises a frame that is... |
| US-4,003,591 |
Plastic socket made of fibre reinforced thermosetting resin material Plastic socket of fibre reinforced thermosetting material comprising an inner push edge, a first recess at each end for positioning sealing means, which are held... |
| US-4,003,590 |
Fluid-tight flange coupling and method of making the same A coupling for establishing a fluid-tight connection between adjacent open ends of substantially coaxial hollow elements, especially pipes, includes a pair of... |
| US-4,003,589 |
Carbonless copying paper Carbonless copying paper comprising paper coated with microcapsules containing a dye solution which is composed of a solvent, a dye which gives color under... |
| US-4,003,588 |
Inflatable protector bag or vehicle safety device An inflatable protector bag of a vehicle safety device for protecting a vehicle occupant during a collision by the vehicle. The protective bag has a collapsed... |
| US-4,003,587 |
Safety binding for ski boots A safety binding for ski boots comprising: a first holding element, mobile in relation to a ski about a vertical axis, for retaining one end of the boot; a... |
| US-4,003,586 |
Sway resisting structure for trailers In a combination including a towing vehicle equipped with a ball type tow hitch and a trailer equipped with a forwardly projecting tongue portion having a socket... |
| US-4,003,585 |
Logging truck tripping mechanism A device for pulling a trip cable in order to trip a lever with the cable. The device is particularly suited for pulling the trip levers of the bunk stake... |
| US-4,003,584 |
Dolly with articulated and steerable wheels Dolly with articulated and steerable wheels, having steering angle compensation on the driving wheels, for particular use with cinema and television cameras. |
| US-4,003,583 |
Trailer having a vertically adjustable bed A trailer bed includes on opposite sides thereof upstanding hollow posts in which downwardly extending hydraulic cylinders are positioned to engage laterally... |
| US-4,003,582 |
Skate board wheel brake assembly A skate board wheel brake assembly is shown having a foot activated, resilient brake arm secured near the rear end of a skate board with the arm having a first... |
| US-4,003,581 |
Field dressable inflatable packer A field dressable inflatable packer which includes a resilient inflatable sleeve formed of a rubber tube having a plurality of spaced-apart cord members... |
| US-4,003,580 |
Football game An entertainment apparatus is described for simulating the basic play options of the game of college football. The apparatus includes a gameboard to simulate a... |
| US-4,003,579 |
Dart game scoreboard A scoreboard is provided for use primarily in scoring dart games. Typically, darts may be played in a number of different ways with each game having its own... |
| US-4,003,578 |
Bass anglers fishing classic game A game in which a printed board or sheet piece provided with a representation of a lake and surrounding earth or land area imprinted thereon and having a grid... |
| US-4,003,577 |
Game apparatus Game apparatus including a game board having a layout with sequential positions defining a path along which a game member is moved in response to the random... |
| US-4,003,576 |
Arrow An arrow comprising a shaft with forward and rearward ends. An integral plastic vane member extends along the shaft adjacent the rearward end and includes first... |
| US-4,003,575 |
Amusement and exercise device An amusement and exercise device for use by one or two participants comprises a thin disc and a looped cord which passes through apertures in the disc. A pair of... |
| US-4,003,574 |
Game ball A football-like game ball which is manually thrown through the air. The ball has a generally truncated ellipsoid outer contour with a Venturi-like nozzle passage... |
| US-4,003,573 |
Amusement ball for bouncing The ball is generally egg-shaped. The entire surface of the ball is covered with randomly oriented ridges and valleys. When the ball is thrown against a hard... |
| US-4,003,572 |
Home tennis practice contrivance An inflatable and deflatable thin-walled bag resembling a toy balloon is adapted to be suspended from an overhead support by an elongated flexible filamentary... |
| US-4,003,571 |
Rocking device A rocking device for children is provided which allows safe rocking during use thereof. A pair of rockers, a cross member and end seat members are attached... |
| US-4,003,570 |
Conveyor for transfer sheet fixing apparatus A table is detachably mounted to a fixing apparatus adjacent to and aligned with an inlet opening thereof. The table is formed with a longitudinal slot through... |
| US-4,003,569 |
Last copy detection Minimum elapsed time between successive multiple copy nonoverlapped runs is achieved detecting the last copy as it exits from a paper path in any one of a... |
| US-4,003,568 |
Fluid conveyer Apparatus for transporting and cooling toner bearing sheets discharged from a fuser includes a structure having a pair of superposed sheet passageways, the... |
| US-4,003,567 |
Sheet pick-up and feeder Apparatus for picking up a single sheet of semi-rigid material from the top of a stack of such sheets having a device overlying the back end of the stack and... |
| US-4,003,566 |
Rotary collator system having a cycle/stop operational mode A collator system is disclosed, which allows a collator to operate in either one of two distinct modes: (a) RUN/REJECT; or (b) CYCLE/STOP. Each of the above... |
| US-4,003,565 |
Disengaging apparatus for a collator A collator system is disclosed, which allows a collator to operate in either one of two distinct modes: (a) RUN/REJECT; or (b) CYCLE/STOP. Each of the above... |
| US-4,003,564 |
Means mounting torsion springs A torsion spring assembly in which the means for mounting the bail portion of the torsion spring to a supporting frame comprises an elongate strip having a bore... |
| US-4,003,563 |
Spring assembly and elements A spring assembly in which use is made of a grid of crisscrossing wires which extend through a plastic button at their cross-over points to intertie the wires in... |
| US-4,003,562 |
Lubricated spring bearing unit A bearing unit including a sleeve internally mounting a spiral bushing which journals a bearing pin. At least one annular sealing ring is internally carried by... |
| US-4,003,561 |
Pouring of metals A sliding gate valve assembly adapted for use in the pouring of metals comprises a sliding gate member arranged for sliding movement to open and close an orifice... |
| US-4,003,560 |
Gas-treatment plant for molten metal Molten corrosive metals such as aluminium are treated, especially for purification, by injecting of gases such as chlorine or nitrogen. This gas-treatment plant... |
| US-4,003,559 |
Apparatus for recovery of metallic zinc from dross An apparatus for separating and recovering metallic zinc from an ash-like solid substance composed of a mixture of metallic zinc, zinc oxide and other zinc... |
| US-4,003,558 |
Supporting structure for blast furnaces A supporting structure for a blast furnace in which the mantle and stack are supported on columns spaced a substantial distance from the furnace. Trusses and... |
| US-4,003,557 |
Device for the cementation of metals by liquid amalgams A cementation apparatus is provided wherein the reaction surface thereof can be increased without changing the outer dimensions. There is provided at least one... |
| US-4,003,556 |
Flame-cutting machine A flame-cutting machine having a moving torch carriage includes a scrap-cutting arrangement which is mounted directly on the torch unit and is activated in... |
| US-4,003,555 |
Drink shaker A drink shaker for mixing solids, and particularly those that tend to lump, and liquids, to mix beverages. The shaker comprises first and second containers of... |
| US-4,003,554 |
Equipment for heating polar polymers to the temperature at which they
become plastic Equipment for heating polar polymers to the temperature at which they become plastic comprises a microwave generator, a tubular component acting as a waveguide... |
| US-4,003,553 |
Guardrail post assembly A low-cost, movable guardrail post especially adapted for temporarily supporting safety railings during roofing work and the like is provided which is braced... |
| US-4,003,552 |
Counterpoising load support apparatus and method In a device for counterpoising a range of cable supported loads, the inner end of a torsion spring is fastened to a shaft. A cam having an axially extending... |
| US-4,003,551 |
Winch-hoist A portable winch-hoist comprises a main supporting frame, with an anchor hook, and carrying a ratchet-driven cable drum and an actuating frame, or lever, which... |
| US-4,003,550 |
Device in rope hoists for limiting speed when lowering a load A device in rope hoists for limiting speed when lowering a load, comprising a rotatable drum, around which the rope is to be wound, a first friction surface on... |
| US-4,003,549 |
Carpet stretcher tool A tool adapted to stretch a carpet and distinctively including a needle bar or pointed end forming abutment by insertion at any desired point of a floor... |
| US-4,003,548 |
High-pressure valve with balanced internal components High-pressure valve provided with internal opening and closing members which are indirectly actuated by a handwheel and a servo-control system based on the... |
| US-4,003,547 |
Valve operator An extremely fast-acting valve operator including a piston slidable in a pneumatic cylinder and connected by means of a chain and sprocket with the rotatable... |
| US-4,003,546 |
Convertible waler brace A waler brace or bracket is provided to be used for either a 3000-lb. forming system or a 5000-lb. forming system by accommodating either one 2.times.4... |
| US-4,003,545 |
Core means having a rubber liner A core member used in a moulding flask for making prefabricated concrete products, comprising a hollow tubular member of predetermined size having all outer... |
| US-4,003,544 |
Gateless injection mold for encapsulating semiconductor devices In the step of plastic encapsulation of a semiconductive device, the inner ends of a group of leads comprising part of a lead frame, the semiconductive chip and... |
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