Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 8181749 | Speed governor for an elevator In a speed governor for an elevator, a clutch mechanism is provided between a governor sheave and a rotary body. An actuator performs switching between transmission and interruption of rotation by the clutch mechanism according to whether or not energization from a ... | 05/22/2012 |
| 8069956 | Elevator speed governor and elevator device An elevator governor capable of setting first overspeeds different between a rising time and a descending time by a simple configuration and at a low cost without the need for electric power supply from the outside. For this purpose, a weight that is moved in a pred... | 12/06/2011 |
| 7334667 | Selective actuation device Selective actuation device (1) including an actuator (5) operating on an actuation mechanism (2). The mechanism (2) is equipped with at least one shaft (7) connected to a pusher element (8) to actuate a first operating group... | 02/26/2008 |
| 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 |
| 7228943 | Elevator apparatus with position correction for overspeed detection An elevator apparatus has a criterion (overspeed levels) that changes in accordance with an operational condition of a car. The elevator apparatus also has a position information correcting means that corrects an error in value that determines the criterion. In the ... | 06/12/2007 |
| 7165652 | Fork-lift truck A fork-lift reach truck having an extraction mast which is adapted to be displaced, by means of a mast drive, towards and away from a driving portion of the fork-lift truck on a horizontal guide, a load-carrying means which is mounted on a side shift, a side shift g... | 01/23/2007 |
| 7134528 | Hydraulic elevator with valve for preventing discharge of pressure accumulator and method of controlling same A hydraulic elevator with a pressure accumulator includes a pump fir conveying hydraulic oil between the pressure accumulator and a hydraulic drive, such that the direction of rotation of the pump can be changed. An electrically controlled cylinder line stop valve i... | 11/14/2006 |
| 7097001 | Elevator car door movement restrictor An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain t... | 08/29/2006 |
| 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 |
| 6957721 | Hydraulic elevator with an accumulator A pump is situated between the hydraulic drive and the accumulator, this pump being driven by a motor and conveying hydraulic oil from the hydraulic drive to the accumulator and vice versa without the presence of control valves which influence the flow of hydraulic ... | 10/25/2005 |
| 6752246 | Speed governor and elevator employing the speed governor In a speed governor linkage mechanism that is displaced by centrifugal force acting on rotary weights, a balancing weight is provided in addition to speed adjustment spring for generating balancing force in opposition to the centrifugal force. When the speed of the ... | 06/22/2004 |
| 6631789 | Method for braking a traction sheave elevator, and traction sheave elevator A method and apparatus for braking a tractor sheave elevator. In an emergency situation, the elevator braking is complimented by using a second braking device not connected to the traction sheave. A secondary braking can be accomplished by applying a brak... | 10/14/2003 |
| 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 |
| 6478117 | Elevator system having governor positioned under controller in hoistway at top floor level A machineroomless elevator system (10) has a controller (32)and a governor (38) positioned in the hoistway (12) at the top floor level (28), such that the controller (32) and the governor (38) are both positioned between the front wall (14) of the hoistwa... | 11/12/2002 |
| 6345696 | Elevator speed governor An elevator speed governor includes a motion converter for converting a traveling speed of a traveling section of an elevator into a rotational speed; an overspeed sensor for sensing a rotational speed not less than a predetermined speed; and an overspeed... | 02/12/2002 |
| 6269910 | Elevator rescue system An elevator rescue system includes a power source of back-up electrical power. A manually-operated, rescue enable switch switchably permits the transmission of electrical power from the power source to a motor brake coil of an elevator car during a rescue... | 08/07/2001 |
| 6253879 | Apparatus and method of determining overspeed of an elevator car An apparatus and method for determining the speed of an elevator car. A radar speed sensor (30) is provided determining the velocity of an elevator car (2). The speed sensor produces a signal which is processed by a processor (52) and compared to a thresh... | 07/03/2001 |
| 6202795 | Automatic brakes for elevator car An automatic Braking system for an elevator car (10) is designed to stop it when it reaches or exceeds a speed limit of movement within an elevator shaft. A stop mechanism (40) is mounted on car (10), or a part thereof, so as to lock a stop pulley (41) wh... | 03/20/2001 |
| 6196355 | Elevator rescue system An elevator rescue system includes a power source of back-up electrical power. A manually-operated, rescue enable switch switchably permits the transmission of electrical power from the power source to a motor brake coil of an elevator car during a rescue... | 03/06/2001 |
| 6186281 | Remote storage and reset of elevator overspeed switch An elevator overspeed system designed to work as a governor includes a first switch responsive to an overspeed condition and a second, remotely located switch responsive to said first switch. An overspeed elevator control procedure is initiated when one o... | 02/13/2001 |
| 6173813 | Electronic control for an elevator braking system An exemplary embodiment of the invention is directed to an elevator braking system including an accelerometer for detecting acceleration of an elevator car and generating an acceleration signal. An over-acceleration detection module compares the accelerat... | 01/16/2001 |
| 6170614 | Electronic overspeed governor for elevators An electronic overspeed governor for preventing elevator overspeed by enabling safety devices. The electronic overspeed governor includes a microprocessor assembly designed to interface with existing sensors, detectors, components, and safety equipment of... | 01/09/2001 |
| 6142259 | Method and device for controlling a hydraulic lift The invention relates to a method and an apparatus for controlling a hydraulic elevator, in which a car (2) is movable up and down in an elevator shaft (1). The car (2) is connected to a reciprocating piston. The car (2) is driven by an oil pump (40), wit... | 11/07/2000 |
| 5995013 | Controller using transmitter and receiver When a control unit receives a second ID code within a specified time after receiving a first ID code in the ID code registration mode, and decides that the first ID code is coincident with the second ID code, the control unit stores the ID code as a newl... | 11/30/1999 |
| 5869794 | Method and device for increased safety in elevators Method and device for stopping of an elevator cage due to a deviation of the elevator position, acceleration, or speed from a travel curve in excess of a certain predetermined safety margin. Travel parameters, computed by the elevator control, may be pass... | 02/09/1999 |
| 5717175 | Method and apparatus for testing an elevator speed limiter An apparatus for testing a speed limiter in an elevator installation includes a drive wheel engaging a cable groove of a cable guide roller in the speed limiter. The drive wheel is rotated by rotational device having a speed control for linearly increasin... | 02/10/1998 |
| 5578801 | Apparatus and method for sensing slippage of elevator drive cable over a traction sheave An elevator includes an evaluation unit. A pair of position pick-ups are connected to the cable assembly and/or driving pulley of the elevator and coupled to the input of the evaluation unit. The elevator is accelerated or decelerated for checking adhesio... | 11/26/1996 |
| 5565660 | Apparatus in the overspeed governor of an elevator The overspeed governor is provided with a switch to disable the operation of the elevator motor. The apparatus includes a controllable actuator which resets the switch into a state enabling the operation of the elevator motor. The actuator is preferably a... | 10/15/1996 |
| 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 |
| 5509504 | Velocity regulated, open current loop, variable voltage, variable frequency, linear induction motor drive for an elevator car door An elevator car door is moved by a variable voltage, variable frequency linear induction motor which is driven open current loop to achieve a desired velocity profile indicated by an incremental linear encoder, with washed out proportional and integral ga... | 04/23/1996 |
| 5503248 | Maintaining open loop current drive to linear induction motor An elevator car door is moved by a variable voltage, variable frequency linear induction motor which is driven open current loop to achieve a desired velocity profile indicated by an incremental linear encoder, with washed out proportional and integral ga... | 04/02/1996 |
| 5407028 | Tested and redundant elevator emergency terminal stopping capability The main relay that controls power to an elevator motor and brake lift coil is dropped by an electronic emergency stop relay contact placed in series with the elevator safety chain in the event that the speed and position indications in the elevator contr... | 04/18/1995 |
| 5377786 | Elevator with a governor An elevator includes a cab supported and guided by guide rails for travel along the guide rails. Emergency stop devices for stopping the travel of the cab are fixed to the cab. Mounted on the cab is a governor for actuating the stop devices when the trave... | 01/03/1995 |
| 5278484 | Procedure and apparatus for braking a squirrel-cage elevator motor fed by a frequency converter in fault situations A procedure and apparatus are provided for braking a squirrelcage elevator motor fed by a frequency convertor in fault situations using a direct current supplied from a d.c. voltage source. In the procedure of the invention, the current in at least one of... | 01/11/1994 |
| 5274203 | "Smart" position transducer system for elevators An elevator system (FIG. 1) employing a microprocessor-based group controller (FIG. 2 ) communicating with the cars (3, 4) using car position and velocity information provided by a "smart" primary position transducer (SPPT) system to control the motion of... | 12/28/1993 |
| 4923055 | Safety mechanism for preventing unintended motion in traction elevators A traction elevator includes a safety mechanism for preventing unintended motion of the car. A trigger, when armed, is positioned in the path of bosses on the drive sheave or another sheave, such that any unintended rotation of the sheave causes actuation... | 05/08/1990 |
| 4909358 | Hoisting station for a rail-track piece A hoisting carriage (2) for a rail-track section (A) of a suspension rail installation can be lifted and lowered at two parallel hoisting columns (1). A motor (4), attached at a cross traverse (3), serves as a drive. The motor (4) drivers via its transmis... | 03/20/1990 |
| 4367810 | Elevator car and door motion interlocks An elevator includes a microprocessor-based cab controller mounted on the elevator car to monitor calls for service by passengers in the car, controls the opening and closing of the door, monitors the position of the car relative to an adjacent landing an... | 01/11/1983 |
| 4322712 | Elevator speed detecting apparatus An apparatus for detecting and controlling an elevator speed which includes a rotary disc rotated by a motor which moves an elevator cage and including a pulse generator which produces a pulse signal proportional to an elevator speed in cooperation with t... | 03/30/1982 |
| 4127843 | Position sensor device for elevator car A position sensor disposed on an elevator car has a first rotatable shaft connected to a secondary winding of a transformer or a switch actuating member, and a second rotatable shaft coaxial with the first shaft and connected to a primary transformer wind... | 11/28/1978 |
