Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 5297657 | High pressure coolant system for machine tools A coolant system is disclosed for use with a machine tool in which coolant is used to both cool and lubricate a workpiece and cutting tool. The system of the present invention utilizes a positive displacement pump with one or more spray nozzles each havin... | 03/29/1994 |
| 5297658 | Roller cam adjuster for linear motors In an elevator system driven by a linear motor a small consistent air gap must be maintained between two elements of a linear motor for proper and efficient operation of the system. The air gap within the linear motor can be maintained and adjusted by uti... | 03/29/1994 |
| 5297659 | Floating caliper and brake shoe for spot-type disc brakes A support of a floating caliper (7) of a spot-type disc brake on an axially external brake shoe (4) is described. For the support, two carrier elements (5, 6) are disposed spaced apart laterally in the circumferential direction on the external brake shoe ... | 03/29/1994 |
| 5297660 | Brake ring/hug connection via clamping notches A brake ring/hub connection via clamping notches for rail vehicles is provided. When a clamping strip is pressed into a clamping notch, the smallest cross-sectional configuration of the hub at the clamping notch is greater than the cross-sectional configu... | 03/29/1994 |
| 5297661 | Power supply means for electrically operated apparatuses and a switch for the power supply means A trolley-type power supply means and a turntable switch for moving apparatuses such as mining equipment. The switch is provided with two coupling portions installed in parallel with each other and reversely symmetrical with respect to a turning axis. By ... | 03/29/1994 |
| 5297662 | Traction control system for vehicle A traction control system for a vehicle has a sub-throttle valve provided in an intake passage of the engine in series to a main throttle valve which is operatively connected to an accelerator pedal to open and close in response to operation of the accele... | 03/29/1994 |
| 5297663 | Conveyor ball unit A conveyor ball unit comprises a conveyor ball resting on mounting balls in a mounting shell. A retaining ring is provided to hold the conveyor ball on the mounting balls in the mounting shell. The mounting shell can be set into an opening in a supporting... | 03/29/1994 |
| 5297664 | Electric charging/parking meter A parking meter and an electric charging meter are combined in a single apparatus. The combined charging/parking meter may be coin-operated or may be operated using an information-bearing card such as a cash card, a debit card or an IC card. In particular... | 03/29/1994 |
| 5297665 | Vehicle with multiple serving conveyors A conveyor vehicle having a pair of lateral-feeding conveyors which in a road transport position extend longitudinally along opposite sides of a vehicle frame. A longitudinally-feeding conveyor has a road transport position stacked above the lateral-feedi... | 03/29/1994 |
| 5297666 | Machine for automatically orienting containers A machine for orienting randomly arranged articles by a hopper bowl having a rotary bottom support. The rotary bottom support has peripherally spaced openings which permit downward discharge of the articles. An article support self extending below said op... | 03/29/1994 |
| 5297667 | System for stabilizing articles on conveyors A stabilizing system stabilizes articles carried on conveyors for automated bulk processing equipment. In a preferred embodiment, a flow of gas (e.g., air) is projected along a conveyor belt in a direction generally parallel to that in which articles are ... | 03/29/1994 |
| 5297668 | Conveyor for raising and lowering containers including means for manually removing containers therefrom A vertical conveyor comprising a centrally rotatable column having a plurality of spaced apart container pusher bars extending therefrom. A helical container support bed extends around the central column and is positioned outwardly therefrom for supportin... | 03/29/1994 |
| 5297669 | Method and apparatus for conveying curved glass sheets A roll conveyor system for conveying glass sheets having a reverse bend curvature. The bent sheets are advanced along a horizontal path with the reverse bend portion at the trailing end. The sheets are initially positioned on the novel conveyor system wit... | 03/29/1994 |
| 5297670 | Apparatus for driving rollers in roller hearth kiln A roller driving apparatus for use in a roller hearth kiln has a kiln tunnel and kiln side walls. The apparatus includes a rotary drive shaft, a holder fixedly mounted at one end thereof on the rotary drive shaft, a metal connection pipe detachably mounte... | 03/29/1994 |
| 5297671 | Caddy for the independent individual transporting of cops and cop tubes in a transport system of a textile machine The invention relates to a caddy for the mutually independent individual transport of cops and cop tubes and provides a caddy that can be used for different tube diameters, which is achieved by forming the mandrel and base plate of the caddy from separate... | 03/29/1994 |
| 5297672 | Security package for compact discs The present invention discloses a security package for a compact disc having a receiving structure and a retaining plate. The receiving structure has a handle, a lock section, and a storage compartment. The storage compartment receives the audio media. Th... | 03/29/1994 |
| 5297673 | Warp-around carrier with end panels A wrap-around carrier with end panel flaps that automatically close when the bottom panel flaps are set up for locking engagement. The end panel flaps are foldably connected to the side panels and to gusset panels which are also foldably connected to a bo... | 03/29/1994 |
| 5297674 | Molded bill payment center container with removable trays A bill payment center container is provided with removable trays so that the items desired for paying bills can be located in a single convenient location. A cover with a slot is provided so that when a bill envelope passes through the slot it is received... | 03/29/1994 |
| 5297675 | Storage tray for audio/video cassette and game cartridges A storage tray for boxed or unboxed audio cassettes, video cassettes and game cartridges, and compact discs and floppy discs in which the cassette, cartridge or disc is frictionally engaged within one of a plurality of cassette-receiving compartments form... | 03/29/1994 |
| 5297676 | Rod mounted fishing tackle box/cylinder A tackle box is mounted onto a fishing rod handle. The tackle box has a hollow cylindrical housing with one open threaded end which holds a compartmentalized drawer. The drawer has attached to it a threaded screw cap which rotates independently of the dra... | 03/29/1994 |
| 5297677 | Sanitary toothbrush holder A sanitary toothbrush holder is disclosed that is assembled from a single piece of sheet material to form a stable holder which positions the bristle end of the toothbrush away from any support surfaces. The holder is capable of occupying a flat state for... | 03/29/1994 |
| 5297678 | Film cassette A cassette is provided having a base and a cover which is hinged to the base for closing the same and providing a light-tight space therebetween. A latching assembly is provided for latching and unlatching of the top of the base. A cushion member is secur... | 03/29/1994 |
| 5297679 | Blister package and storage device A blister package for containing a product has a tub and a base. The tub slidably engages the base and is slidable between a storage position, used for storing the product, and a removal position, used for removing the product. A panel is secured to the b... | 03/29/1994 |
| 5297680 | Returnable/reuseable sensitive photographic products packaging system A package system 10 containing a plurality of articles of manufacture comprises a pallet 12, and a photographic product handling device releasably attached to the pallet 12. The photographic product handling device 13 comprises first and second platform a... | 03/29/1994 |
| 5297681 | Combined can stacker/advertising device A combined can stacker and spatial media advertising/instructional device facilitating the vertical stacking of similar plan-view shape cans two-at-a-time while also providing space on the panel side(s) of the device for either advertising or for instruct... | 03/29/1994 |
| 5297682 | Volumetric corner protector A cushioning corner pad is placed on the corners of furniture or the like to protect it during shipment. The corner pad is die-cut, prescored, and folded from a single piece of corrugated paper board to a three-dimensional form consisting of three connect... | 03/29/1994 |
| 5297683 | Process and apparatus for processing resins A resin processing system in which a mixture of resins, preferably a mixture of anionic and cationic resins, is separated by a laminar or essentially laminar flowing fluid through a separator module, wherein the anionic particles are removed from the top ... | 03/29/1994 |
| 5297684 | Avionic tray An avionic tray is fixed to a shelf and comprises a base plate, side rails and a back plate. At least a forward end of the base plate of the tray is reinforced by a reinforcing plate fixed to the upper surface of the base plate. The part of the base plate... | 03/29/1994 |
| 5297685 | Method and apparatus for displaying a plurality of articles A preferred embodiment includes a support member for supporting a plurality of articles. A directory, listing the articles supported by the support member, is operably associated therewith. The directory includes a first area listing a first group of arti... | 03/29/1994 |
| 5297686 | Bottle with ear A bottle with an ear obtained by orientation blow molding, in which a mounting portion positioned at a predetermined height has a large diameter and upper portion composed of an outer wall in the form of an injection molded flange and an inner wall orient... | 03/29/1994 |
| 5297687 | Virtual hinge A dynamic virtual hinge closure used for controlled, reliable, and measured dispensing of a variety of substances with extensive compliance and child-resistance features. A hook integral with the container engages with a slot in a ledge of the lid to crea... | 03/29/1994 |
| 5297688 | Closure for sealing a container rim A closure for sealing a rim of an open mouth of a container including a substantially cylindrical end cap closed at a first end thereof by a top surface, open at a second opposite end thereof and including an annular side wall having a predetermined width... | 03/29/1994 |
| 5297690 | Electrical junction and switch boxes An electrical service box is shown as having a main body formed of longitudinally extending body portions which are formed of one or more generally flat outer surfaces whereby the main body is capable of being slidably received in a mounting hole having a... | 03/29/1994 |
| 5297691 | Closure plug and methods of employing the same to maintain a fire-rated barrier A closure plug consisting of opposing frusco-conical sections to apply lateral forces to axially compress and radially expand o-ring means to seal the plug within an opening through a fire-rated barrier may support or enclose insulating materials filling ... | 03/29/1994 |
| 5297692 | Cover retainer means A barrel cover retainer in the form of a flexible band: end of the band is looped around one handle of the barrel; the band extends across the cover; and the opposite end of the band is looped around the other handle, folded back on itself, pulled taught,... | 03/29/1994 |
| 5297693 | Closure member locking retainer A closure member for sealing an opening for a cavity in a housing to prevent fluid from being communicated to the surrounding environment. The closure member has a shaft with an end member having a irregular radial surface thereon. A first torque is appli... | 03/29/1994 |
| 5297694 | Device with constant magnetic field to preserve perishable substances A container made of a substantially dielectric material adapted to contain and preserve a perishable substance, comprising: a substantially elongated tubular portion defining an enclosure adapted to contain a perishable substance, the tubular portion being mad... | 03/29/1994 |
| 5297695 | Paintbrush wiper and apparatus holder The specification discloses a removable paintbrush wiper and apparatus holder which can be mounted on the inner rim and outer surface of a conventional paint can. Two outwardly projecting tangs (12L and 12R) supported by a pair of angled arms (20L and 20R... | 03/29/1994 |
| 5297696 | Pour spout with piercing insert A container is provided with a pour spout fitment. The fitment carries a flange which secures the fitment to the container, the flange surrounding a dispensing opening in the container. The pour spout is normally externally closed by a screw cap threaded ... | 03/29/1994 |
| 5297697 | Caulk cartridge with valve control A caulk cartridge including an end closure having a centrally extending mounting stub with a reciprocating valve positioned therein. A nozzle is thread mounted to the stub with inward threading of the nozzle engaging and inwardly shifting the valve to an ... | 03/29/1994 |
