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| Patent # | Description |
|---|---|
| US-4,497,497 |
Oil ring assembly with annular expander spring An oil ring and coiled expander spring assembly in which the groove for the expander spring is of unique configuration and possesses a unique relationship with... |
| US-4,497,496 |
Hydrodynamic slitted seal and method of manufacture thereof An oil seal element and method of manufacture thereof from polytetrafluoroethylene or the like. A tubular billet having concentric inner and outer cylindrical... |
| US-4,497,495 |
Unitized wheel bearing seal with multiple lips A unitized wheel bearing seal includes inner and outer metal casings each of which has a cylindrical wall press fitted between inner and outer concentric bores... |
| US-4,497,494 |
Pressure activated seal ring A pressure activated seal ring has an inner cylindrical surface with a plurality of undulations formed thereon and a substantially smooth cylindrical outer... |
| US-4,497,493 |
Mechanical face seals with wear monitor means A method of monitoring the wear of the sealing faces of a mechanical face seal comprising; positioning a probe radially of the axially moveable seal face member... |
| US-4,497,492 |
Game with shields for deflecting hurled projectile A game has as its object the throwing of a projectile, such as a ball, by one player into a target area which is defended by another player. The defender has a... |
| US-4,497,491 |
Apparatus and method employing selectively stackable game pieces A plurality of geometrically arranged circular depressions are formed in a game board to nestingly receive one or a stack of game pieces. The game pieces, which... |
| US-4,497,490 |
Board game affording competitive challenge among players A board game apparatus is disclosed having a board with marked spaces or areas constituting a path of progression around the board. The apparatus includes token... |
| US-4,497,489 |
Bow and ladder amusement device A bow and ladder toy or game is provided in which an elliptically-shaped bow is moved from the top of the ladder to the bottom rung of the ladder and back up,... |
| US-4,497,488 |
Computerized card shuffling machine A computerized card shuffling machine having major portions of transparent wall making cards being shuffled at all times viewable externally, including an input... |
| US-4,497,487 |
Chance device This invention relates to a chance device to be used to anticipate numbers to be selected in a lottery game such as Lotto. The chance device comprises two... |
| US-4,497,486 |
Device for selecting numbers randomly A horizontal rectangularly shaped plate has a flat top surface which is enclosed by a transparent raised cover. A plurality of raised members hemispherically... |
| US-4,497,485 |
Baseball pitching target A baseball pitching target comprising a rectangular peripheral tubular frame supported by support members staked to the ground and having a mesh backstop itself... |
| US-4,497,484 |
Playground climber A children's climber for parks and playgrounds generally consisting of a first arcuately shaped rail member having end portions supportable on the ground, a... |
| US-4,497,483 |
Device for dividing ice-hockey rinks A device for dividing an ice-hockey rink into at least two smaller rink parts comprises a plurality of straight sideboard elements (8a) and a plurality of curved... |
| US-4,497,482 |
Feeding stacks of sheets A magazine (2) for stamps is provided with an escapement mechanism in the form of upper and lower gripping means (24, 26) which alternately support the stack of... |
| US-4,497,481 |
Arrangement for supplying originals for copying apparatus An arrangement for supplying originals for a copying apparatus has a supply stack arranged above an illumination location of a copying apparatus, guiding members... |
| US-4,497,480 |
Ejector mechanism for incomplete fascicles in a conveyor line The invention contemplates mechanism for ejecting incomplete fascicles (H) which are astride a transport rail (1) and are carried along by driver means (3, 4)... |
| US-4,497,479 |
Device for symmetrically opening signatures made up of several sheets
and arranging them onto a transport saddle A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, comprising a signature feeder having... |
| US-4,497,478 |
Apparatus for squaring, stapling, and stacking copy sets An apparatus for squaring, stapling, and stacking copies is used in combination with a copier that produces a succession of sheet copies and has a housing... |
| US-4,497,477 |
Apparatus for cutting glass into various shapes The invention comprises a device for supporting a piece of glass while cutting same by scoring and subsequently breaking it along the score line. The device... |
| US-4,497,476 |
Device for positioning a plug for repairing panes of glass A device for supporting a circular disc to be cemented in an opening in a rigid plate-like member, such as a pane of plate glass, comprises a support frame, a... |
| US-4,497,475 |
Nozzle assembly for a metallurgical furnace A nozzle assembly constituting a burner or blowing nozzle includes, in the region of the discharge opening thereof, a piston-like member which is displaceable by... |
| US-4,497,474 |
Apparatus for sequentially annealing and then hardening long metal
components made of fine or special steel A method of sequentially annealing and then hardening long metal components (1,2,3,4) made of fine or special steel with an austenitic structure, said method... |
| US-4,497,473 |
Composite refractory articles and method of manufacturing them A method of manufacturing a composite refractory article having a flow passage through which a molten metal stream may be conducted and comprising a first body... |
| US-4,497,472 |
Vegetation blocking fence edging assembly The vegetation blocking fence edging assembly includes a fence structure (A), a plurality of elongated edging strips (B), and a plurality of fence post edging... |
| US-4,497,471 |
Assembly on a chain sheave/chain-rope system In a chain sheave/chain-rope system wherein an end of a chain is connected to an end of a rope via a splice member, guide members are provided on the splice... |
| US-4,497,470 |
Powered cart mounted cable puller A device for pulling electrical cable through conduit having a rigid frame with two wheels mounted thereon for being moved in a wheelbarrow like fashion and... |
| US-4,497,469 |
Van engine removal assembly A conventional floor hoist having a removable attachment mounted thereon. The attachment comprises a swivel clamp which is removably mounted on the horizontally... |
| US-4,497,468 |
Catheter patency flush flow controller Catheter patency flow-flush controller comprising push-button valve mechanism with fast flow flush path surrounding the valve member, normally closed by a valve... |
| US-4,497,467 |
Plug valve with hydraulically actuated seals A rotary plug valve has hydraulically actuated seals for sealing between a valve body and a rotatable valve plug. The valve plug is rotated to open or close the... |
| US-4,497,466 |
Spring support device for pipework A spring support device capable of large vertical displacement for supporting relatively light pipework, such as the purge pipes of a boiler in a power station.... |
| US-4,497,465 |
Pivotal mechanism upon which tracking mirrors and the like used in
optical systems may be mounted Disclosed is a low cost flexural mechanism upon which tracking mirrors and the like used in optical systems may be mounted. The flexural mechanism is made from a... |
| US-4,497,464 |
Support hook and assembly for merchandising display Apertured blister packs or the like are displayed by being suspended from beyond the edge of a shelf by means of an integrally-formed hook which attaches to the... |
| US-4,497,463 |
Single-handedly flippable bag holder A holder for a waste-disposal bag, to be installed in a confined space such as the interior of a passenger automobile, has a mounting bracket secured to an... |
| US-4,497,462 |
Outward opening electrically powered plug-type cargo door An outward opening plug-type cargo door for an aircraft is movable between a closed position in which the door blocks an entry opening into the aircraft and an... |
| US-4,497,461 |
Snubbing apparatus for an aircraft control surface actuator A snubber (12) includes a fixed member (14) and a movable member (16). A variable volume chamber (20) is defined between these two members (14, 16). The chamber... |
| US-4,497,460 |
Erodale spin turbine for tube-launched missiles An erodable spin turbine having a plurality of turbine blades affixed to the outer periphery of a missile nozzle. When the missile is fired in its launch tube... |
| US-4,497,459 |
Tape drive control apparatus A tape drive control apparatus controls to set a tape speed to be constant in a fast forward or rewind mode (wherein a magnetic tape is driven by only reel... |
| US-4,497,458 |
Winder for a safety belt having a rapid locking and unlocking action and
a reduced operating noise The winder comprises a mandrel 4 rotatively mounted in a support 1 and around which the strap of the safety belt is wound. The mandrel is biased by a torsion... |
| US-4,497,457 |
Line holder A line holder is provided which permits using one hand to selectively engage and disengage a line as it is unwound from a reel. A line lock in the form of a hook... |
| US-4,497,455 |
Winding machine A winding machine for longitudinal slit strips, with slides which carry pendulum arms with receivers for winding cores and are movable, on a guide, transversely... |
| US-4,497,454 |
Tape loading machine An improved cassette loading machine is provided which has means for rotatably supporting two supply reels of magnetic tape, means for loading cassettes with... |
| US-4,497,453 |
Dispenser for internally self-supported rolled material The invention has to do with a wall dispenser for rolled plastic material that is internally self-supported and without the aid of a cylindrical core component.... |
| US-4,497,452 |
Twin coil strip accumulator A variable capacity strip accumulator for steel strip travelling continuously from upstream reels of supply to a downstream treating or processing station, said... |
| US-4,497,451 |
Pneumatic drive for a swingable spool holder A swingable spool holder for a spool which can be driven on its periphery is controlled by a pneumatic drive device which can swing the spool holder between an... |
| US-4,497,450 |
Filament winding machine A filament winder of the automatic exchange type in which chucks are brought successively into winding positions relative to a friction drive roller and thread... |
| US-4,497,449 |
Method of and arrangement for assembling electrical coils around
transformer cores An electrical inductive apparatus such as a transformer including a magnetic core and an associated electrical coil is disclosed herein along with various... |
| US-4,497,448 |
Offset orbit fluff generator Apparatus for converting bales of wood pulp sheets to fluff. There is a non-rotating horizontal bed plate having a port through which the cutter tips of a... |
| US-4,497,447 |
Energy damping device for spray gun Apparatus is disclosed for resistively damping capacitively stored energy in electrostatic spray guns, wherein a fluid spray valve incorporates an electrode for... |
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