Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 5445030 | Spherical coupling A bearing assembly (22, FIG. 4 ) is provided for connecting an actuator (14A) to a shake table (12) on which a test object is mounted, which minimizes the mass to be moved by the actuator. The bearing assembly is of the type that includes upper and lower ... | 08/29/1995 |
| 5274998 | Rocket pollution reduction system A system is provided for reducing the emissions of hydrochloric acid (HCl) from solid fuel rockets, especially during ground disposal. An aqueous solution (40, FIG. 2 ) of an alkali metal hydroxide is injected as a mist (50) into the rocket chamber (32) a... | 01/04/1994 |
| 4973272 | Electrical connector with contactors An electrical socket assembly is provided with contactors (50,51, FIG. 3) lying in a pin-receiving hole, which provides a high withdrawal force for the pin (31). Each contactor is of the type that includes a pair of circular bands and a plurality of inwar... | 11/27/1990 |
| 4906211 | Connector for aircraft-to-ground maintenance electrical connection A socket assembly is provided at the end of a heavy electrical cable which includes sockets designed to be pushed into connection with pins on an aircraft, to pass current between them, which provides low resistance to avoid heating while also providing a... | 03/06/1990 |
| 4857011 | Field repairable cable connector A connector is described, of the type which is attached to the outer end of a cable and used at an airport to supply power to aircraft on the ground, which facilitates installation and repair of the connector in the field. The connector includes a rubber ... | 08/15/1989 |
| 4853500 | Jamfree cable storage Apparatus is provided for retrieving an elongated flexible cable-type member such as a thick electrical cable used at airports to supply power to airliners, which stores the cable in a bin in a manner that avoids repeated twisting of the cable and the con... | 08/01/1989 |
| 4832305 | Equipment support system A system includes a single snubber and a rigid strut, to support two spaced locations on equipment to a structural support, in a manner that allows each location of the equipment to slowly move independently of the other, as to accommodate changing equipm... | 05/23/1989 |
| 4828225 | Power cable retriever An apparatus is provided for use at an airport for drawing in and paying out an electric cable, which reliably grips the cable even when it is covered with a slippery anti-freeze fluid used at airports. The apparatus includes a motor-driven traction wheel... | 05/09/1989 |
| 4825986 | Remotely controllable cable assembly A cable assembly is described, for safely connecting an electrical power source such as an electrical outlet at an airport, to a power consuming device such as an aircraft. The assembly includes an electrical cable (18) with a connector (16) at one end fo... | 05/02/1989 |
| 4739129 | Power cable with replaceable switch assembly An electrical box is provided at the outer end of an electrical power cable of the type that supplies power to aircraft parked at an airport, which enables rapid replacement of damaged switches in a compact and watertight arrangement. The electrical box i... | 04/19/1988 |
| 4730089 | Remotely controllable cable assembly A cable assembly is described, for safely connecting an electrical power source such as an electrical outlet at an airport, to a power consuming device such as an aircraft. The assembly includes an electrical cable (18) with a connector (16) at one end fo... | 03/08/1988 |
| 4385524 | Compact shake mechanism A mechanism is provided for oscillating a shake table or other member at high accelerations but over short distances. The mechanism includes a group of pad devices supporting the shake table on a base, with each pad device including upper and lower curved... | 05/31/1983 |
| 4310767 | Data interface between rotating and nonrotating members A data interface for a railcar truck assembly, to transmit the outputs of transducers located on the rotating axle to circuits on the stationary frame of the truck. The data transmission system includes a group of several light emitting elements located o... | 01/12/1982 |
| 4265123 | Motion limiting apparatus A simple torque tube device which can be used in a shake table system to prevent rotation of the table about a predetermined axis without restricting the table in other degrees of freedom. A torque tube device which can prevent table rotation about a hori... | 05/05/1981 |
| 4118989 | Locking mechanism A locking mechanism for releasably locking a wheel to a rotatable hollow shaft having a terminal end includes expandable segments located axially outwardly of the shaft terminal end, and an expanding rod extending through the shaft and segments. Axial mov... | 10/10/1978 |
| 4106361 | Gear pump, gear and method A relatively simple gear-forming process is disclosed, which enables the production of a set of gears that is especially useful for a particular type of gear pump, and which also produces a set of gears which operates with a high degree of rolling contact... | 08/15/1978 |
| 4077161 | Cut-off machine A cut-off machine includes a housing having a top surface with an elongated slot therethrough. A rotatable cutting disc is mounted within the housing for raising and lowering movement through the slot to cut workpieces supported on the top surface. Elevat... | 03/07/1978 |
| 4023649 | Safety lock device for lifts A safety lock device for lifts or the like includes a pair of elongated inner and outer members. The inner member is movable longitudinally relative to the outer member between a retracted position and a plurality of extended positions. The lock device in... | 05/17/1977 |
| 4011749 | Vibration testing system A multi-degree-of-freedom shock and vibration testing system which includes a specimen-holding table having short projections engaged by hydraulic actuator assemblies. Each actuator assembly includes a pair of hydraulic actuators on opposite sides of the ... | 03/15/1977 |
| 3977065 | Crimping machine Apparatus for crimping a fitting onto a hose or the like, including a ram with a slideable piston for moving a set of crimping dies together, wherein the piston has a central passageway extending along its entire length so that a hose can extend through t... | 08/31/1976 |
