"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7374021 | Combined elevator guiding and safety braking device A combined elevator guiding and braking device (30) includes movable members (34) positioned symmetrically about opposite sides of guide rail (24). Guide members (40) are supported on the movable members (34) for following along th... | 05/20/2008 |
| 7267201 | Emergency brake device of elevator An emergency brake apparatus for an elevator system is installed on an elevator cage or a balance weight of the elevator system and includes a grip member with slant surfaces and a pressing surface sandwiching a guide rail, a pressing member disposed movably between... | 09/11/2007 |
| 7207421 | Elevator An elevator in which the elevator car is suspended by means of hoisting ropes consisting of a single rope or several parallel ropes, said elevator having a traction sheave which moves the elevator car by means of the hoisting ropes. The elevator has rope portions of... | 04/24/2007 |
| 7137483 | Rope and elevator using the same An elevator in which the sheave diameter is reduced and the attendant lowering of the rope life and strength is suppressed to secure safety and reliability. To this end, a rope is used in which a plurality of element wires constituting the wire rope are each covered... | 11/21/2006 |
| 7128189 | Equipment for engaging a safety braking device for a lift cage A tripping device for engaging an elevator lift cage safety brake has actuating levers arranged at a rotary axle for engaging safety brake wedges of the safety braking device. Each actuating lever has a longitudinal slot matched to the diameter of the rotary axle, w... | 10/31/2006 |
| 7073632 | Safety system for restraining movement of elevator car when car doors are open A safety system for an elevator car which will prevent movement of the elevator car should the car drift beyond a predetermined distance from the hoistway sill with the car door in an open position. ... | 07/11/2006 |
| 6758310 | Safety brake and method for unlocking a safety brake A safety brake for the load receiving portion of an elevator includes a fixing device that is displaceable relative to the load receiving portion in the direction of the guide rail between two abutments fastened to the load receiving portion. The unlocking of the sa... | 07/06/2004 |
| 6631790 | Method for braking a traction sheave elevator, traction sheave elevator and use of an emergency power supply A method for braking a traction sheave elevator stops the elevator in the event of an emergency by the braking of the elevator using a braking device not comprised in the drive machine. A traction sheave elevator is provided with a braking device not comp... | 10/14/2003 |
| 6412611 | Eddy current brake system with dual use conductor fin An eddy current brake system with dual use conductive fin includes a linear array of spaced apart permanent magnets and a non-magnetic electrically conductive fin. The magnets are mounted with respect to the fin for enabling passage past one another at a ... | 07/02/2002 |
| 6371261 | Molybdenum alloy elevator safety brakes An elevator safety brake for stopping an elevator car is provided with a brake shoe having a molybdenum alloy friction surface for contacting an elevator guide rail surface to provide a stopping force. The molybdenum alloy contains 99.4 weight percent mol... | 04/16/2002 |
| 6216826 | Bank hoist braking apparatus A braking mechanism for use with a lift is provided that interacts with a fixed cable that runs the length of the path of travel of the lift. The interaction of the cable and braking mechanism transfers the rotational power created by the travel of the br... | 04/17/2001 |
| 6176350 | Progressive safety gear A progressive safety gear for elevators, having a console which encompasses one guide rail for an elevator car and is positioned in a transverse direction to the guide rail. Two brake shoes are mounted on the console so as to be positioned one on each sid... | 01/23/2001 |
| 5964320 | Brake shoe for elevator emergency stop A brake shoe for an elevator emergency stop has a including a brake body having a braking face and (b) plurality of braking pieces embodied in the braking face side of the brake body to be projected from a braking face. The projection of each of the braki... | 10/12/1999 |
| 5513760 | Stacker crane with improved brake mechanism A stacker crane comprising a trolley movable above the ground, a generally vertical rigid mast depending form the trolley, an assembly including a frame moveable along the mast, and a load engaging mechanism mounted on the frame, an adaptor plate mounted ... | 05/07/1996 |
| 5495919 | Safety brake apparatus for an elevator car or counterweight A safety brake apparatus for a vehicle traveling in an elevator hoistway is provided, comprising a first link, a pair of second links, a connector rod, and an intermediate link. The first link is pivotly attached to a first side member of the vehicle. The... | 03/05/1996 |
| 5353895 | Emergency braking system for hoists An emergency braking system for hoist cages, mounted for vertical travel between opposed guide rails, utilizes opposed pairs of pivoted brake application arms associated with braking web surfaces provided on the insides of the opposed hoist guide rails wh... | 10/11/1994 |
| 5323877 | Device for the triggering of safety equipments of a lift plant An apparatus is mounted on an elevator car for actuating a safety catch or a car brake when an excess car speed is detected in either a downward or an upward direction of travel, or when an unchecked movement of the elevator car takes place. The actuation... | 06/28/1994 |
| 5209325 | Braking apparatus and method for storage and retrieval vehicles Novel braking system, assemblies, and methods for storage and retrieval vehicles finding particular application on dual mast storage and retrieval vehicles where it is important to brake both sides of a carriage disposed between the two masts simultaneous... | 05/11/1993 |