Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7392885 | Emergency escape apparatus for elevator An emergency escape apparatus for elevator is disclosed. In response to power outage manually pulling an actuation rope will pivot a pivot bar counterclockwise to rotate front and rear cams, press front and rear cams onto front and rear actuation members respectivel... | 07/01/2008 |
| 7316297 | Elevator escape device Provided is an elevator escape device. In response to a stop of the elevator due to power outage, a trapped person may press a switch to activate a backup generator, and either a backup electromagnetic contact is enabled if the backup generator functions normally or... | 01/08/2008 |
| 7032714 | Automatic return mechanism for elevator escape device Disclosed is a return mechanism for elevator escape device. The return mechanism mounted at a wall of a car and comprises a drive sheave, upper and lower secondary sheaves, a wheel coaxially disposed with the drive sheave and located on an inner wall of the car, a l... | 04/25/2006 |
| 7025179 | Emergency evacuation system for an elevator An emergency safeguard system for elevator includes an emergency push-button disposed in the elevator car applied to cooperate with an auxiliary control panel and an auxiliary door opening system, furthermore, on the elevator car and in the elevator shaft are provid... | 04/11/2006 |
| 6564907 | Elevator having emergency stop device An elevator including a cage configured to ascend and descend along a guide rail in an elevator shaft, a drive unit configured to move the cage up and down, and an emergency stop device configured to urgently stop the cage when the cage descends at an ext... | 05/20/2003 |
| 6464041 | Emergency lifting or lowering device of an elevator An emergency lifting or lowering device of an elevator includes a transmission toothed wheel fitted to a top of a passage receiving a carriage of the elevator. The transmission wheel has teeth locking into an adjacent one of several toothed wheels arrange... | 10/15/2002 |
| 5549179 | Cost effective control of the main switches of an elevator drive motor The main disconnects for energizing a drive motor for an elevator may be controlled by a circuit having a safety chain, an inspection device, a circuit board and a coil for the main disconnect wherein the safety chain provides a safe condition signal to t... | 08/27/1996 |
| 5439075 | Elevator active suspension system An elevator car vertically guided along a hoistway rail has horizontal motions controlled by means of an actuator wherein horizontal acceleration of the elevator car and relative horizontal displacement between the car and the rail is sensed for controlli... | 08/08/1995 |
| 5373915 | Passenger lift with an electric safety interlock A passenger lift incorporates an electronic safety interlock to prevent all movement of the lift, until a restraining belt is fastened. In some embodiments, the interlock is a normally open electric switch located inside the restraining belt's buckle. The... | 12/20/1994 |
| 5158639 | Roll conveyance and attachment/detachment device for applying apparatus A roll conveyance device for conveying rolls and attaching or detaching the rolls in a roll applying apparatus includes guide pillars, and a roll rest having a plane on which a plurality of the rolls are positioned. The roll rest is movably supported by t... | 10/27/1992 |
