Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7398863 | Safety device for elevators A safety device brakes an elevator car with a guide rail exhibiting an oblong guide flange. The safety device includes a base carrying a retaining element and an abutment with the guide flange positioned therebetween. A mechanism squeezes, when braking, a braking el... | 07/15/2008 |
| 7299898 | Progressive safety device A progressive safety device for an elevator includes a brake unit and an actuating unit. The brake unit has a first brake shoe with first spring assemblies and a triangular rotatable support with second and third brake shoes. The actuating unit has an electromagneti... | 11/27/2007 |
| 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 |
| 7255204 | Apparatus for moving elevator equipment An apparatus for moving elevator equipment, particularly an elevator car when stuck in a shaft, comprises a suspension point which is connected to the elevator equipment by an adjustable-height connection. Contrary to the prior art, the suspension point includes a l... | 08/14/2007 |
| 7137484 | Safety system for restraining movement of elevator car when car doors are open A safety system for restraining movement of an elevator car employing a bi-directional safety and an associated car mounted governor with a linkage, between the governor and the elevator car door, including a brake cable and clutch, wherein the governor would operat... | 11/21/2006 |
| 7134529 | Safety device for an elevator A safety device includes a trigger mechanism for triggering a braking wedges attached to first and second double levers to stop an elevator car. A retaining spring detents with a pin on the first double lever and a tension spring engages either the first double leve... | 11/14/2006 |
| 7131517 | Gradual catch system for a bidirectional safety device A bi-directional safety mechanism used in an elevator safety device and which produces a gradual catch on a guide rail. The bi-directional safety device has a roller and two hinged rectangular frames, each having a friction element. One hinged rectangular frame is d... | 11/07/2006 |
| 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 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 7097003 | Elevator landing door broken chain safety device A vertically sliding freight elevator landing door with a safety brake that deploys when a chain suspending the door breaks. The safety brake is adapted for use on both panels that slide up to open or that slide down to open. The brake, which is simple in constructi... | 08/29/2006 |
| 7080717 | Emergency brake apparatus of elevator In an elevator emergency braking apparatus, a braking device main body has a main body braking surface facing a main rope and positioned at a first side of a main rope array, and a tapered surface facing the main body braking surface on an opposite side of the main ... | 07/25/2006 |
| 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 |
| 7036638 | Brake arresting device with adaptable brake force for an elevator A safety brake device has a setting device moving an abutment or a housing to limit movement of brake wedges engaging a guide rail which limits a braking force applied by the brake wedges. The setting device can continuously adjust the braking force limit in depende... | 05/02/2006 |
| 6997287 | Elevator emergency stopping device In an elevator emergency stop device wherein emergency stop of the elevator cage (20) is achieved by generating frictional force at a sliding part (11) and guide rail (1) by pressing a sliding part (11) against guide rail 1 using a... | 02/14/2006 |
| 6988593 | Elevator governor A centrifugally activated device for controlling the speed of movement of an elevator cab includes the capability of controlling upward and downward movement. A first stopping device is associated with at least one elevator sheave. A second stopping device preferabl... | 01/24/2006 |
| 6981575 | Concrete rail safety device for an elevator car A safety device to arrest movement of an elevator car guided by non-metallic guide rails employs a friction surface mounted on a wedge. The wedge is located in proximity to an angular horizontal locator when in the unengaged position. Upon activation of the wedge du... | 01/03/2006 |
| 6942070 | Emergency braking and shock absorbing device for a lift or suspended load The load or the working platform is suspended and displaced by at least a pair of cables whereof the stresses are equivalent. Advantageously, each pair of cables is controlled by an emergency braking device comprising means for detecting the slack strand on one of t... | 09/13/2005 |
| 6820725 | Safety brake assembly A safety brake assembly is disclosed comprising a housing movable on a vertical support, the housing attached to a carpet support arm, a pulley rotatably mounted on a shaft of the housing, a link having an inner end pivotally connected to the shaft and an outer end ... | 11/23/2004 |
| 6719101 | Safety brake with retardation-dependent braking force A safety brake for braking a load receiving portion of an elevator has at least one brake wedge that penetrates a gap between a resiliently supported pressure body and a guide rail for the load receiving portion of the elevator and thereby generates a braking force.... | 04/13/2004 |
| 6425462 | Gravity-assisted elevator brake/clutch An elevator brake that utilizes the elevator platform weight to generate the necessary clamping force for stopping the elevator is disclosed. Electromagnetically released safety systems that have been considered for ropeless linear motor elevator systems ... | 07/30/2002 |
| 6318507 | Emergency stop apparatus for elevator An emergency stop apparatus for an elevator having a simple structure as well as effectiveness, which may facilitate to reduce manufacturing and maintaining cost. The emergency stop apparatus for an elevator includes a pair of wedges for stopping the elev... | 11/20/2001 |
| 6296080 | Variable traction mechanism for rotary actuated overspeed safety device In an elevator safety braking device, a variable traction mechanism in a rotary actuator allows the drive wheels of the rotary actuator to operate at a reduced preload during normal elevator operation. When engaging, a higher preload is necessary. In the ... | 10/02/2001 |
| 6161653 | Ropeless governor mechanism for an elevator car A ropeless governor system is provided for governing the speed of an elevator car (2) in the event of an overspeed condition. An actuator for a safety device (30) is positioned in close proximity to an elevator rail (14) and activated to come into contact... | 12/19/2000 |
| 6129302 | Means of securing against impermissible unreeling of a belt element The invention relates to a device for securing against the impermissible unreeling speed of a belt element (80) from a shaft (82) of a lifter (70) used for transporting a handicapped person; the shaft is connected to a first gear wheel (84), in order to a... | 10/10/2000 |
| 6109398 | Safety gear A safety gear (1) comprising a frame provided with a braking surface, which, when the safety gear is braking, is pressed against a first guide surface of a guide rail. Mounted in the frame is a roller (3), which moves along a track in the safety gear. The... | 08/29/2000 |
| 6092630 | Arresting brake device for elevators An arresting brake device with triggering equipment for elevators provides different braking effect in upward and downward directions of travel. The device includes a tiltable rocker, as a barrier element, provided with an articulated two-point bearing in... | 07/25/2000 |
| 6082506 | Breaking arrangement for elevating work platform A breaking arrangement for elevating work platform includes a break body, a C-shaped receiving piece, a breaking unit, and a break released handle. The breaking arrangement allows only upward movement of the elevating work platform during normal operation... | 07/04/2000 |
| 6026936 | Sliding safety gear A sliding safety gear designed to brake by gripping an elevator or counterweight guide rail includes a flexible frame surrounding the guide rail in the directions of the guiding surfaces of the guide rail. The frame is provided with a braking surface that... | 02/22/2000 |
| 6003636 | Safety apparatus for elevator A safety apparatus for an elevator of the present invention includes an emergency stopping mechanism for generating a high frictional force to brake the elevator, a driving apparatus for operating the emergency stopping mechanism, a cam latch mechanism fo... | 12/21/1999 |
| 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 |
| 5950768 | Elevator speed regulating safety equipment Safety equipment, in the form of an arresting device with triggering equipment for an elevator cage, which runs in rail guides and is for the conveying of persons and/or goods, which safety equipment stops the elevator cage when the permissible speed of t... | 09/14/1999 |
| 5782319 | Elevator car and counterweight safety A braking device is described for an elevator having a governor that actuates above a tripping speed for braking an elevator car or counterweight that is guided on a vertical guide rail. The braking device includes a unitary safety housing attached to the... | 07/21/1998 |
| 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 |
| 5370208 | Double-sided safety gear A safety gear e.g. for an elevator car or counterweight, comprises at least one wedge chamber (8) and at least one working wedge (9) acting on an elevator guide rail (30) and activated by a transmission element. For each working wedge (9), the safety gear... | 12/06/1994 |
| 5366045 | Brake mechanism for a storage and retrieval vehicle An overspeed brake mechanism for a storage and retrieval vehicle (SRV). The brake mechanism includes wedges acting between a brake block attached to the load carriage of the SRV and a rail fixed to the mast of the SRV. The wedges are biased into braking e... | 11/22/1994 |
| 5363942 | Braking device for an elevator A braking device for an elevator, wherein a cage moves along a guide rail. The braking device includes a wedge braking device a speed governor and a linking mechanism. The wedge braking device includes a resilient support member, a pair of wedge guides pr... | 11/15/1994 |
| 5301773 | Positive terminal overspeed protection by rail grabbing A permanent magnet 54 mounted on rods 41 passes vertically over a conductive plate 56 in an elevator hoistway 36, a reactive force causes movement of the permanent magnet 54 vertically away from the conductive plate 56 so that a wedge 24 secured to the ro... | 04/12/1994 |
| 5230406 | Safety brake arrangement for elevators A safety brake arrangement for an elevator includes a brake for preventing relative movement of the elevator car and the elevator car guide rail, having a double wedge shape capable of preventing overspeeding in both the upward and downward directions and... | 07/27/1993 |
| 5224570 | Brake catching device for elevator car and counterweight The brake catching device precludes the occurrence of excess speeds of an elevator car or counterweight in downward travel direction. At the front side of a housing there is provided a recess extending throughout the entire housing height, and at one end ... | 07/06/1993 |
| 5159995 | Safety gear for an elevator A safety gear for an elevator, in which the safety gear housing is mounted on the frame using transverse bars or the like. To prevent accidental gripping of the wedges when the elevator car moves laterally, the safety gear housing is allowed to move later... | 11/03/1992 |
