US3807480A - Door with automatic fire restricting system - Google Patents

Door with automatic fire restricting system Download PDF

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Publication number
US3807480A
US3807480A US00256130A US25613072A US3807480A US 3807480 A US3807480 A US 3807480A US 00256130 A US00256130 A US 00256130A US 25613072 A US25613072 A US 25613072A US 3807480 A US3807480 A US 3807480A
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United States
Prior art keywords
closure device
power operating
closing
operating mechanism
combination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00256130A
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English (en)
Inventor
J Smart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Won-Door Corp
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Won-Door Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Won-Door Corp filed Critical Won-Door Corp
Priority to US00256130A priority Critical patent/US3807480A/en
Priority to CA171,528A priority patent/CA992651A/en
Priority to GB2344873A priority patent/GB1418190A/en
Priority to ZA00733300A priority patent/ZA733300B/xx
Priority to IL42299A priority patent/IL42299A/xx
Priority to DE2325939A priority patent/DE2325939C3/de
Priority to FR7319589A priority patent/FR2186060A5/fr
Priority to SE7307180A priority patent/SE394128B/xx
Priority to BR3773/73A priority patent/BR7303773D0/pt
Priority to CH727673A priority patent/CH580745A5/xx
Priority to JP5765673A priority patent/JPS5440198B2/ja
Priority to BE131445A priority patent/BE799941A/xx
Priority to AR248180A priority patent/AR201194A1/es
Priority to NL7307201.A priority patent/NL162561C/nl
Application granted granted Critical
Publication of US3807480A publication Critical patent/US3807480A/en
Assigned to FIRST NATIONAL BANK OF LOUISVILLE, FIRST NATIONAL TOWER, LOUISVILLE, KY. 40202 reassignment FIRST NATIONAL BANK OF LOUISVILLE, FIRST NATIONAL TOWER, LOUISVILLE, KY. 40202 SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WON-DOOR CORPORATION A CORP. UT.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers
    • A62C2/14—Hinged dampers with two or more blades
    • A62C2/16—Hinged dampers with two or more blades multi-vane roll or fold-up type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/605—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for folding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/214—Disengaging means
    • E05Y2201/216—Clutches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/246—Actuation thereof by auxiliary motors, magnets, springs or weights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/41—Function thereof for closing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/422—Function thereof for opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/434—Electromotors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E05Y2900/134—Fire doors

Definitions

  • fire extinguishing means are operated 3,337,992 8/1967 Tolson 49/29 within the protected space, 2,678,212 5/1954 Flostroy...
  • An important object of the present invention is to provide an automatic control system for a power operated, fireproof door whereby opening and closing of the door to a space protected by a fire sensing and fire extinguishing system, may be closed off in order to isolate and extinguish the fire and yet enable any persons trapped in such space to escape without injury.
  • a door operating system requires different door closing and opening modes as well as timing in order to meet fire emergency conditions.
  • the system of the present invention therefore combines the qualities of a fireproof door with automatic door operation and actuation of fire extinguishers whereby fire may be isolated or contained, extinguished and yet allow rapid and panic-free evacuation.
  • the passageway 12 is adapted to be closed by a fireproof closure device or door generally referred to by reference numeral 26 of a typedisclosed for example in my prior US. Pat. No. 3,509,934.
  • the door 26 is adapted to be closed or opened'by power operating mechanism generally referred to by reference numeral 28 through a cable systern that extends from the power operating mechanism which is positioned, for example, adjacent to the wall 16.
  • the cable extends through the upper frame member 30 on top of the access passageway 12 and into the jamb 24 adapted to be engaged by the lead post 32 of the door in its fully closed position.
  • FIG. 1 The installation shown in FIG. 1 is adapted to be associated with a protected enclosure or space within which fire sensing devices are mounted such as ionization type smoke detectors.
  • fire sensing devices such as ionization type smoke detectors.
  • ionization type smoke detectors such as ionization type smoke detectors.
  • Automatic control may be overridden at any time by a manual operational mode wherein the door is selectively opened at any time.
  • the electronic controls through which automatic or semi-automatic operation is effected, operate on the doors through a power operated drive mechanism featuring an electromagnetic clutch that is deenergized whenever the door is at rest in order to prevent damage to the drive mechanism and permit manual override.
  • FIG. 1 is a front elevational view of an access region associated with a protected space wherein the closure andthe automatic operating system of the present invention is installed.
  • FIG. 2 is a functional block diagram illustrating the control system of the present invention. 1
  • FIG. 3 is an electrical circuit diagram corresponding to the control system of FIG. 2.
  • FIG. ll illustrates a typical installation for the present invention generally referred to by reference numeral 10.
  • an access passageway 12 to and from a protected enclosure or space within a building is defined between vertical walls 14 and 16, a ceiling l8 and floor 20.
  • the access passageway is furthermore framed present invention.
  • fire detecting systems are often associated with fire extinguishing facilities.
  • nozzles 34 may be mounted on the header 22 from which fire extinguishing medium may be discharged in spray form into the protected space for extinguishing any fire after it is confined to said space by closing of the door 26 to seal the space.
  • the door 26 Before the protected space is sealed, and the fire extinguishing means triggered into operation, the door 26 is operated in such a fashion as to provide a warning and permit evacuation of the protected space.
  • closing and opening operation of the door is effected by means of the power operating mechanism 28 in an automatic fashion with manual override.
  • movement of the door is closing and opening directions is imparted by the power operating mechanism through the cable system which includes cables 36 associated with a pulley drive arrangement generally referred to by reference numeral 38 that is drivingly connected to the output of a reduction gear assembly 40 through an electromagnetically operated clutch device 42.
  • a reversible DC motor 44 drives the reduction gear assembly 40.
  • An electronic control assembly generally referred to by reference numeral 46 controls operation of the motor 44 and the electromagnetic clutch 42.
  • FIG. 2 diagrammatically. illustrates the electronic control assembly which is operative to energize the motor 44, the motor being in turn drivingly connected through the clutch device 42 to the pulley drive system 38.
  • the control assembly is connected to a DC source of electrical energy by means of positive and negative voltage lines 48 and 50.
  • a power regulator 52 is connected across the 'voltage lines for supplying a reduced DC voltage to some of the components in the control assembly.
  • the motor 44 is connected to the power supply through the voltage lines 48 and 50 in series with a high current switch component 54 and a high current sensor component 56 through a reversing switch assembly 58 by means of which the direction of rotation of the motor is selected in order to effect either closing or opening movement of the door.
  • Actuation of the reversing switch assembly 58 and selection of the motor direction is effected through a drive control component 60 to which drive producing signals are fed from a pair of control logics 62 and 64 respectively operative to effect closing an opening operation.
  • the close logic 62 and open logic 64 are respectively triggered into operation by signals supplied thereto from a gate circuit 66.
  • the close and open logics 62 and 64 may be triggered into operation manually by actuation of switches 68 and 70 respectively connecting the logics to the negative voltage line 50.
  • the high current switch component 54 is normally rendered operative whenever the reversing switch assembly 58 is supplying energy to the motor to remain conductive regardless of the load condition on the motor and thus maintain the motor energized.
  • a load control component 72 is connected to the high current switch assembly 54 in order to render the high current switch assembly sensitive to overload conditions on the motor resulting in the opening of the switch assembly 54 and de-energization of the motor momentarily during a logic controlled phase of operation. This phase of operation is initiated by a signal from a fire detector 74 of the type aforementioned.
  • the fire detector is connected through a latching switch component 76 to an automatic repetitive close logic 78 that generates operating pulses transmitted by the gate circuit 66 to the close logic 62 during the logic controlled phase of operation.
  • a signal is also fed to disable logic 80 through which a disable signal is fed to the load control component 72 in order to render the high current switch assembly 54 temporarily insensitive to motor overload during the logic controlled phase of operation for starting purposes.
  • the door begins to close but whenever it meets an obstruction, its movement is momentarily arrested. After a short delay, closing is again attempted.
  • the logic controlled phase of operation is terminated by a limit switch 82 actuated by the lead post of the door engaging the jamb 24, for example. Actuation of the limit switch 82 triggers into operation the timer component 84.
  • the motor is de-energized whereupon the clutch 42 is also de-energized so as to isolate the door drive from the motor while at rest.
  • a warning period is established by the closing of the door without any possible injury to persons attempting to enter or exit the passageway.
  • a timercontrolled operational phase is initiated beginning with a three second delay before partial opening of the door is effected in response to a signal fed to the open logic 64 from the timer through the gate circuit 66.
  • sensor component 56 is operative through the load controlled component 72 to render the high current switch assembly 54 insensitive to overload of the motor so that the motor will remain energized until the door is partially opened to a predetermined extent at which time the motor is de-energized and the door remains partially opened for a preset period of time determined by the timer 84.
  • the door then closes in response to a signal supplied to the close logic by the timer through the gate circuit 66.
  • the door remains fully closed for an interval of about five seconds after which it opens partially again for a shorter preset period determined by the timer 84.
  • the door is fully closed under control of the timer and the first extinguisher component 86 triggered into operation.
  • FIG. 3 illustrates in greater detail the control system.
  • the high current switch assembly 54 as shown includes a triac 88 having its anode connected to the positive voltage line 48 and its cathode connected by line 90 to the motor control circuit 58.
  • the triac 88 is connected in series with the motor load 44 when the motor control circuit is completed.
  • the resistor 92 of the high current sensor 56 interconnected between the motor and the negative voltage line 50. Under normal load conditions, the voltage drop across the anode and cathode of the triac 88 exceeds break-over voltage value so that the triac conducts and enables operation of the motor.
  • the voltage across the anode and cathode of the triac is below break-over value which would cause the triac to switch off unless a positive voltage is applied to its gate from the positive voltage line 48 through the gate control resistor 94 upon closing of a normally open relay switch 96.
  • the voltage applied to the gate of the triac is regulated by the resistors 98 and 100 interconnected by the diode 102 between the gate and the negative voltage line 50.
  • the relay switch 96 is closed in response to energization of a relay coil 104 that may be energized whenever the motor control circuit is activated. Thus, the motor will not start if there is any initial overload but may remain energized should any overload occur thereafter.
  • the motor control circuit includes a door closing relay coil 106 energized in response to a drive signal output from the drive control component 60 connected to the relay coil 106 through diode 108.
  • the relay switch 110 Upon energization of the relay coil 106, the relay switch 110 is actuated in order to connect the voltage line 90 to one terminal of the motor 44 through line 112 while the other motor line 114 is connected, by closing of the normally opened relay switch 116, to the negative voltage line 50 through the resistor 92.
  • Normally opened relay switch 118 is also closed in response to energization of the relay coil 106 in order to complete an energizing circuit through the gate controlling relay coil 104 in series with resistor 120 and diode 122.
  • relay coil 104 may be energized simultaneously with relay coil 106 in order to initiate operation of the motor in a closing direction.
  • operation of the motor may be initiated in an opening direction by energization of the relay coil 124 in the motor control circuit to close the normally opened relay switch 126 thereby also completing an energizing circuit for the relay coil 104 in the high current switch assembly in series with the resistor 120 and diode 128.
  • the door opening output of the drive control component 60 is therefore connected to the diode 128-and through diode 130 to the relay coil 124 for energization thereof.
  • the relay coil 124 also actuates the relay switch 132 and the normally opened relay switch 134 in order to establish a reverse connection between the voltage lines and the motor terminal lines 112 and 114 for opening operation of the motor.
  • the drive control component 60 is connected to the relay coils 106 and 124 through a pair of output lines 136 and 138 respectively connected to the output collectors of transistors 140 and 142 having their emitters connected to the positive voltage line 48.
  • the bases of transistors 140 and 142 are respectively connected by 'base resistors 144 and 146 to the output collectors of signal transistors 148 and 150.
  • the collectors of the transistors 148- and 150 are connected to the positive voltage line 48 through load resistors 152 and 154.
  • the signal transistors 148 and 150 which are normally nonconductive, are switched on by signals respectively applied to the bases thereof from the close logic 62 and ciated relay coil 106 or 124 in the motorcontrol circuit.
  • the energizing circuit established-for the relay coil 104 in the highcurrent switch assembly 54, by closing ofeither, of thenormally'open relay switches 118 and 1 26, may be shunted by switching on of a semiconductor controlled rectifier (SCR) 1-56 in the load control component 72.
  • SCR semiconductor controlled rectifier
  • the SCR 156 has its anode connected to the juncture between resistor 158 and the diode 1 59 interconnected between the resistor 120and the positive voltage line 48. Thus, the voltage across the anode and cathode of the SCR 156 is held below break-over value.
  • the SCR 156 may, however, be
  • the high current sensor 56 which includes an adjustable potentiometer 162 and resistor 160 connected in series sistor 92.
  • Conductor 164 interconnects the juncture between the potentiometer 162 and the resistor 160 with the gate of the SCR 156 in order to apply a reduced positivevoltage to the gate that will switch on the SCR under normal load conditions of. the motor.
  • the SCR 156 When switched on, the SCR 156 will prevent energization of the relay coil 104 so that the triac 88 will respond to any overload of the motor and switch off. However, below excessive overload conditions, the voltage supplied by the sensor 56 to the gate of SCR 156 will be below' trigger value.
  • the SCR 156 will switch off and relay coil 104 will be energized to prevent thetriac 88 from switching off because of the positive voltage applied to its gate through the relay switch 96.
  • the sensor 56 operates through the SCR 156 on the load control component 72 to establish operational limits for the triac 88 causing it to open only in response to excessive overload but not in response to overload occasioned by relatively small obstructions.
  • the SCR 156 is initially disabled in order to permit energization of the relay coil 104 and momentarily render the triac 88 insensitive to overload conditions-so as to ensure starting of the motor.
  • a reverse bias is applied to the anode of the SCR 156 by closing of the'normally open relay switch 162 connecting the anode of the SCR 156' to the negative voltage line 50.
  • Relay switch 163 is closed by energization of relay coil 165 in response to a pulse supplied thereto from the collector of signal transistor 166 having its base com nected to the output of disable logic 80.
  • the SCR 156 is switched off during the timer controlled operational phase by connecting the gate to the negative voltage line 50- upon closing of the normally open relay switch 168 upon energization of the relay coil 170 connected to the timer component 84. At the end of an operational cycle, the SCR 156 is again switched on by a pos- 6 itive trigger voltage supplied to its gate through diode 172 from the timer component 84.
  • Each of the control logics 62, 64 and 80 are similar in operation and arrangement. Each is operative when supplied with a trigger signal to deliver a pulse of predetermined duration to its signal output.
  • the close logic supplies a pulse of sufficient duration to the base of transistor 148 in the drive control component through the line 174 in order to initiate closing movement of the door while the output line 176 from the open logic 64 supplies a pulse of sufficient duration to the base of transistor 150 in order to initiate opening operation.
  • a pulse of shorer duration is supplied by the disable logic 80 to the 'base of transistor 166 through the line178 to momentarily render the triac 88 insensitive to motor overload as aforementioned.
  • the disable logic 80 is triggered into operation each time an activating signal is applied to the input of the close logic 62 through activating signal line 180. Similarly, the disable logic is activated by an activating signal simultaneously applied thereto when the open logic 64 is activated by a signal in line 182.
  • the duration of the output pulse of each of the control logics is determined by a capacitor 184 associated with each control logic having one side thereof connected to the negative voltage line 50.
  • each of the control logics ineludes four NAND gates 186, 188, 190 and 192, the
  • both of the aforementioned inputs of the first gate 186 are connected to the activatingsignal lines 180 and 182. Either of the aforementioned inputs may trigger operation of the control logic.
  • the intermediate input of the first gate 186 is connected to the output of the third gate 190 which is also interconnected with the input of the last gate 192.
  • the output of gate 186' is interconnected with one of the inputs of each of the gates 188 and 190, the other input of gate 188 being connected to the positive side of capacitor 184 at thejuncture between the capacitor and diode 194 interconnecting the capacitor with the output of gate 186.
  • a positive cut-off voltage is maintained at the output of the last gate 192 in its inactive state so that an input signal produces a negative output pulse of predetermined duration as aforementioned.
  • Activating signals for the control logics through signal lines 180 and 182 are respectively supplied from the outputs of close gate 196 and open gate 198 in the gate circuit 66.
  • One of the inputs in each of the gates is connected by lines 200 and 202 to the timer component 84 in order to control closing and opening operation during the timer controlled operational phase as aforementioned.
  • the other inputs of the gates. 196 and 198 are interconnected with the output line 204 from the automatic repetitive close signal logic 78 which in its inactive state maintains a positive voltage on the interconnected inputs of the gates 196 and 198.
  • the output line 204 is connected to the output of flip-flop 206 in the close signal logic 78 and is also interconnected with the input of the other flip-flop 210.
  • the output of flip-flop 210 is connected through the inverted OR gate 212 to the input of flip-flop 206.
  • the flip-flops'206 and 210 are simultaneously toggled by a signal supplied thereto from the latching switch component 76 through line 214.
  • Each of the flip-flops 206 and 210 furthermore includes a pair of terminals interconnected by capacitors 216 and connected by resistors 218 to the low DC voltage supply from the regulator 52.
  • the close signal logic 78 when triggered into operation by an output signal in line 214, the close signal logic 78 produces an output pulse of predetermined duration and frequency for effecting closing operation during the logic controlled phase of operation. Operation of the close signal logic 78 is however inhibited during the timer controlled phase of operation by an inhibit gate 220 interconnecting the line 214 with the juncture between the resistor 100 and the diode 102.
  • An inhibit signal is supplied to line 214 when trigger voltage is supplied through the relay switch 96 to the gate of triac 88 for rendering the triac insensitive to overload during timer controlled operation as aforementioned.
  • the flip-flops 206 and 210 are rendered operative by the output in line 214 from the latching switch component 76 which includes the gates 222, 224 and 226.
  • the output of gate 226 is connected to the output line 214 while its input is interconnected between the output of gate 222 and one of the inputs of gate 224.
  • the other input of gate 224 is connected to the fire detector component 74 by means of which the latching switch assembly is switched on.
  • the switch assembly is switched off by a reset pulse connected to one of the inputs of gate 222 to which the negative line 50 is connected by the capacitor 228, the other input of gate 222 being connected to the output of gate 224.
  • control system is operative in a logic controlled mode during a warning period to automatically effect door closing operation with momentary arrest of the movement of the door in response to obstructions.
  • the warning period is followed by a timer controlled evacuation period during which repeated opening and closing of the door-occurs without sensitivity to obstructions.
  • Final closing of the door initiates operation of fire extinguishers.
  • Manualoverride of the system is provided by means of the switches 68 and 70 providing an activating signal to the close and open logics 62 and 64 in order to effect either closing or opening of the door whenever desired.
  • the logic means includes a pair of control logic devices connected to the power operating mechanism for respectively efiecting closing and opening of the closure device, pulse generating means connected to one of the control logic devices for periodically triggering closing operation of the closure device during said warning period and disable means connected to the control logic devices and the load'control means for initially rendering the switch means insensitive to overload conditions upon triggering of said operation of the closure device.
  • the power operating mechanism includes a motor connected in series with the switch means to the source, and electrically operated clutch means disengaging the motor in response to opening of the switch means.
  • said switch means includes a triac having a gate and relay means for supplying trigger voltage to the gate in response to energization of the power operating mechanism to prevent the triac from switching off under the overload conditions.
  • said load control means includes adjustable means for disabling the relay means during said evacuation period.
  • said timercontrolled means includes gate means for simultaneously disconnecting the pulse generating means from said one of the control logic devices and supplying a triggering signal to the other of the control logic devices.
  • signal triggered logic means connected to the power operating mechanism for only closing the closure device during a warning period
  • timer-controlled means connected to the power operating means for repeatedly opening and closing the closure device during an evacuation period following the warning period
  • load sensing switch means connecting the source to the power operating means for energization thereof below overload conditions
  • load control means connected to the, switch means for preventing disconnection of the source from the power operating mechanism in response to overload conditions during the evacuation period.
  • said switch means includes a triac having a gate and relay means for supplying trigger voltage to the gate in response to energization of the power operating mechanism to prevent the triac from switching off under the overload conditions.
  • control logic devices for periodically triggering closing operation of the closure device during said warning period and disable means connected to the control logic devices and the load control means for initially rendering the switch means insensitive to overload conditions upon triggering of said operation of the closure device.
  • said timercontrolled means includes gate means for simultaneously disconnecting the pulse generating means from said one of the control logic devices and supplying a triggering signal to the other of the control logic devices.
  • a sensor In combination with a closure device and a power operating mechanism for closing and opening the closure device. a sensor, logic means connected to the sensor and the power operating mechanism for closing the closure device during a warning period in response to detection of a predetermined condition by said sensor, and timer-controlled means connected to the logic means and rendered operative upon closing of the closure device for repeatedly opening and closing the closure device during an evacuation period following the warning period, said logic means including a control logic device for effecting closing operation of the closure device, drive control means connecting the control logic device to the power operating mechanism for periodically initiating said closing operation during the warning period, overload sensing means for momentarily disabling the power operating mechanism in response to excessive loading of the closure device during said closing operation, and means for disabling the overload sensing means during the evacuation period.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Fire Alarms (AREA)
US00256130A 1972-05-23 1972-05-23 Door with automatic fire restricting system Expired - Lifetime US3807480A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US00256130A US3807480A (en) 1972-05-23 1972-05-23 Door with automatic fire restricting system
CA171,528A CA992651A (en) 1972-05-23 1973-05-16 Door with automatic fire restricting system
GB2344873A GB1418190A (en) 1972-05-23 1973-05-16 Door operating systems
ZA00733300A ZA733300B (en) 1972-05-23 1973-05-16 Door with automatic fire restricting system
IL42299A IL42299A (en) 1972-05-23 1973-05-17 Door with automatic fire restricting system
BR3773/73A BR7303773D0 (pt) 1972-05-23 1973-05-22 Aperfeicoamentos em dispositivo de fecho e mecanismo de acionamento eletrico para fechar e abrir o dispositivo de fecho
FR7319589A FR2186060A5 (nl) 1972-05-23 1973-05-22
SE7307180A SE394128B (sv) 1972-05-23 1973-05-22 Anordning vid en dorr eller liknande i ett brandskyddssystem.
DE2325939A DE2325939C3 (de) 1972-05-23 1973-05-22 Fernbetatigungsanlage zum Öffnen und Schließen eines Verschlusses
CH727673A CH580745A5 (nl) 1972-05-23 1973-05-22
BE131445A BE799941A (fr) 1972-05-23 1973-05-23 Porte a systeme anti-incendie automatique,
AR248180A AR201194A1 (es) 1972-05-23 1973-05-23 Disposicion automatica de accionamiento de un elemento de cierre
NL7307201.A NL162561C (nl) 1972-05-23 1973-05-23 Inrichting voor het besturen van een omkeerbare motor, die is gekoppeld met de toegangsdeur tot een bepaalde ruimte.
JP5765673A JPS5440198B2 (nl) 1972-05-23 1973-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00256130A US3807480A (en) 1972-05-23 1972-05-23 Door with automatic fire restricting system

Publications (1)

Publication Number Publication Date
US3807480A true US3807480A (en) 1974-04-30

Family

ID=22971198

Family Applications (1)

Application Number Title Priority Date Filing Date
US00256130A Expired - Lifetime US3807480A (en) 1972-05-23 1972-05-23 Door with automatic fire restricting system

Country Status (14)

Country Link
US (1) US3807480A (nl)
JP (1) JPS5440198B2 (nl)
AR (1) AR201194A1 (nl)
BE (1) BE799941A (nl)
BR (1) BR7303773D0 (nl)
CA (1) CA992651A (nl)
CH (1) CH580745A5 (nl)
DE (1) DE2325939C3 (nl)
FR (1) FR2186060A5 (nl)
GB (1) GB1418190A (nl)
IL (1) IL42299A (nl)
NL (1) NL162561C (nl)
SE (1) SE394128B (nl)
ZA (1) ZA733300B (nl)

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US3916566A (en) * 1972-02-22 1975-11-04 Lacombe Jean Pierre Charles Fire door structure and fire safety installation including said door structure
US4834161A (en) * 1986-02-11 1989-05-30 Won-Door Corporation Folding firedoor lead post assembly
US4922806A (en) * 1989-05-02 1990-05-08 Gpac, Inc. Doors for negative air pressure enclosure
US4924929A (en) * 1986-02-11 1990-05-15 Won-Door Corporation Folding firedoor lead post assembly
US5264765A (en) * 1992-03-27 1993-11-23 Pecorino Philip A Video display screen cover
US5289864A (en) * 1992-01-30 1994-03-01 Bolton Brady Ltd. Shutter drive
US5360372A (en) * 1989-05-02 1994-11-01 Gpac, Inc. Control system for doors of a negative air pressure enclosure
US5383510A (en) * 1991-08-12 1995-01-24 Allen; Thomas H. Apparatus and method for rapidly and reliably sealing off certain openings in response to smoke, noxious fumes or contaminated air
US5642767A (en) * 1995-12-13 1997-07-01 Translogic Corporation Up closing fire door
US5836424A (en) * 1995-04-18 1998-11-17 Allen; Thomas H. Multiple level building with elevator hoistway seal structure
US5850865A (en) * 1997-09-16 1998-12-22 Hsieh; Chung-Jung Rolling fire door with delayed closing mechanism
US5990789A (en) * 1997-07-24 1999-11-23 Lsi Logic Corporation System and method for preventing smoke and fire damage to people and equipment in a clean room area from a fire
US6330763B1 (en) 1999-09-10 2001-12-18 Rite-Hite Holding Corporation Translating door with disengageable seals
US6352097B1 (en) 1999-09-10 2002-03-05 Rite-Hite Holding Corporation Multi-panel door with an auxiliary drive mechanism
US6360487B1 (en) 1999-09-10 2002-03-26 Rite-Hite Holding Corporation Resilient door panel
US6615894B1 (en) 2000-12-15 2003-09-09 Mckeon Rolling Steel Door Co., Inc. Self-closing single-sided accordion fire door
US20050061452A1 (en) * 2001-08-27 2005-03-24 Smoke Guard Corporation System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier
US20060226103A1 (en) * 2005-04-12 2006-10-12 Smoke Guard, Division Of Rectorseal Corporation Closure member control systems, including door control systems for barrier housings, and associated methods
US20080049400A1 (en) * 2006-08-25 2008-02-28 Philip Pecorino Cover for a flat panel display
US20090165963A1 (en) * 2007-12-28 2009-07-02 Satoshi Nakamura Fire-resistant smoke-suppressant device
US20090250174A1 (en) * 2007-07-26 2009-10-08 Cloninger James N Barrier systems and associated methods, including vapor and/or fire barrier systems
US20100024992A1 (en) * 2007-07-26 2010-02-04 Smoke Guard, Inc. Barrier systems and associated methods, including vapor and/or fire barrier systems
US7757437B2 (en) 2004-01-09 2010-07-20 Rite-Hite Holding Corporation Resilient retention system for a door panel
US20100243175A1 (en) * 2009-03-30 2010-09-30 Gonzales Curtis P Barrier systems and associated methods, including vapor and/or fire barrier systems with manual egress
US20100294437A1 (en) * 2009-04-29 2010-11-25 Gonzales Curtis P Barrier systems with programmable acceleration profile and auto-retries for pressured egress
US20110000625A1 (en) * 2009-07-02 2011-01-06 Won-Door Corporation Movable partitions, leading end assemblies for movable partitions and related methods
US20110011003A1 (en) * 2005-10-28 2011-01-20 Vogel Lynn D Flexible door with rigid insulation
US20110036016A1 (en) * 2009-08-17 2011-02-17 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition
US20110088918A1 (en) * 2009-10-19 2011-04-21 Smoke Guard, Inc. Fire-rated multilayer fabric with intumescent layer
US8167020B2 (en) 2009-03-02 2012-05-01 Rite-Hite Holding Corporation Upper seal for a horizontal side-moving door
US20120325413A1 (en) * 2011-06-27 2012-12-27 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition with a lead drive box
US8365796B2 (en) 2010-04-12 2013-02-05 Won-Door Corporation Methods, apparatuses, and systems for movable partitions
US20130211585A1 (en) * 2012-02-15 2013-08-15 Innovative Product Achievements, Llc Item dispensing apparatus
US20130220558A1 (en) * 2012-02-29 2013-08-29 Won-Door Corporation Systems and methods for remote control of a movable partition
US8627618B2 (en) 2010-08-18 2014-01-14 Tracy M. Knight Closure assemblies for movable partitions, movable partition systems including closure assemblies and related methods
US8668001B2 (en) 2010-04-26 2014-03-11 Won-Door Corporation Folding partitions having protected actuation devices and related methods
US20140224433A1 (en) * 2010-07-16 2014-08-14 Won-Door Corporation Automatic drive systems, movable partition systems including such automatic drive systems, and related methods
CN104123806A (zh) * 2014-08-07 2014-10-29 深圳市中天明科技有限公司 具有语音引导提醒功能的常开防火门的监控系统及方法
CN104134326A (zh) * 2014-08-07 2014-11-05 深圳市中天明科技有限公司 具有语音引导提醒功能的活动防火门的监控系统及方法
US8967225B2 (en) 2010-08-18 2015-03-03 Won-Door Corporation Leading end assemblies for movable partitions and related methods
US9576418B2 (en) 2012-09-28 2017-02-21 Innovative Product Achievements, Llc Item dispensing apparatus
US9809240B2 (en) 2015-02-02 2017-11-07 Innovative Product Achievements, Llc Item dispensing apparatus
US20180156577A1 (en) * 2016-12-02 2018-06-07 Ballistic Cordon Systems, LLC Ballistic Curtain Cordon System
US10145723B2 (en) 2007-05-04 2018-12-04 Innovative Product Achievements, Llc Cart enclosure for weighing a cart inserted therein
CN111206866A (zh) * 2020-01-20 2020-05-29 漳州龙文琪睿生物科技有限公司 一种逃生式防盗窗户
US11085230B2 (en) 2016-02-03 2021-08-10 Rite-Hite Holding Corporation Insulated doors with restorable breakaway sections

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JPS49455U (nl) * 1972-04-04 1974-01-05
JPS5484152U (nl) * 1977-11-26 1979-06-14
DE2920462A1 (de) * 1979-05-21 1980-11-27 Steinicke Ind Vertretung Funktionslogik zur erstellung von steuerungen zur einhaltung wichtiger fahr- und steuerfunktionen von feuerschutzabschluss und transportanlage im bereich der durchfahrt von transporgut durch die brandabschnitttrennung
JPS5975065A (ja) * 1982-10-20 1984-04-27 三和シヤツタ−工業株式会社 自閉扉体の開閉方法及び自閉扉体の開閉装置
JPS6443686A (en) * 1987-08-07 1989-02-15 Yoshida Kogyo Kk Drive for automatic door
DE69202281T2 (de) * 1991-03-06 1995-09-07 Delco Electronics Corp Fernbetätigungssystem zum Regeln einer Funktion einer Basisstation.
DE102010002870B4 (de) 2010-03-15 2013-08-29 Geze Gmbh Schiebetüranlage sowie Verfahren zum Betrieb einer Schiebetüranlage
JP5639404B2 (ja) * 2010-07-30 2014-12-10 ナブテスコ株式会社 自動ドア装置
DE102015103756A1 (de) * 2015-03-13 2016-09-15 Gu Automatic Gmbh Automatiktür, wie beispielsweise eine Schiebetür, eine Drehtür oder dergleichen

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Cited By (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916566A (en) * 1972-02-22 1975-11-04 Lacombe Jean Pierre Charles Fire door structure and fire safety installation including said door structure
US4924929A (en) * 1986-02-11 1990-05-15 Won-Door Corporation Folding firedoor lead post assembly
US4834161A (en) * 1986-02-11 1989-05-30 Won-Door Corporation Folding firedoor lead post assembly
US5360372A (en) * 1989-05-02 1994-11-01 Gpac, Inc. Control system for doors of a negative air pressure enclosure
US4922806A (en) * 1989-05-02 1990-05-08 Gpac, Inc. Doors for negative air pressure enclosure
US5383510A (en) * 1991-08-12 1995-01-24 Allen; Thomas H. Apparatus and method for rapidly and reliably sealing off certain openings in response to smoke, noxious fumes or contaminated air
US5289864A (en) * 1992-01-30 1994-03-01 Bolton Brady Ltd. Shutter drive
US5264765A (en) * 1992-03-27 1993-11-23 Pecorino Philip A Video display screen cover
US5836424A (en) * 1995-04-18 1998-11-17 Allen; Thomas H. Multiple level building with elevator hoistway seal structure
US5899303A (en) * 1995-04-18 1999-05-04 Allen; Thomas H. Hoistway door seal structure
US5642767A (en) * 1995-12-13 1997-07-01 Translogic Corporation Up closing fire door
US5990789A (en) * 1997-07-24 1999-11-23 Lsi Logic Corporation System and method for preventing smoke and fire damage to people and equipment in a clean room area from a fire
US5850865A (en) * 1997-09-16 1998-12-22 Hsieh; Chung-Jung Rolling fire door with delayed closing mechanism
US6352097B1 (en) 1999-09-10 2002-03-05 Rite-Hite Holding Corporation Multi-panel door with an auxiliary drive mechanism
US6923238B2 (en) 1999-09-10 2005-08-02 Rite-Hite Holding Corporation Multi-panel door with an auxiliary drive mechanism
US6360487B1 (en) 1999-09-10 2002-03-26 Rite-Hite Holding Corporation Resilient door panel
US6330763B1 (en) 1999-09-10 2001-12-18 Rite-Hite Holding Corporation Translating door with disengageable seals
US6615894B1 (en) 2000-12-15 2003-09-09 Mckeon Rolling Steel Door Co., Inc. Self-closing single-sided accordion fire door
US7028742B2 (en) 2001-08-27 2006-04-18 Smoke Guard Corporation System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier
US7000668B2 (en) 2001-08-27 2006-02-21 Smoke Guard Corporation System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier
US20050061452A1 (en) * 2001-08-27 2005-03-24 Smoke Guard Corporation System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier
US7757437B2 (en) 2004-01-09 2010-07-20 Rite-Hite Holding Corporation Resilient retention system for a door panel
US20060226103A1 (en) * 2005-04-12 2006-10-12 Smoke Guard, Division Of Rectorseal Corporation Closure member control systems, including door control systems for barrier housings, and associated methods
US7299848B2 (en) 2005-04-12 2007-11-27 Smoke Guard, Inc. Closure member control systems, including door control systems for barrier housings, and associated methods
US8733024B2 (en) 2005-10-28 2014-05-27 Jamison Door Company Flexible door with rigid insulation
US20110011003A1 (en) * 2005-10-28 2011-01-20 Vogel Lynn D Flexible door with rigid insulation
US20080049400A1 (en) * 2006-08-25 2008-02-28 Philip Pecorino Cover for a flat panel display
US10145723B2 (en) 2007-05-04 2018-12-04 Innovative Product Achievements, Llc Cart enclosure for weighing a cart inserted therein
US8016017B2 (en) 2007-07-26 2011-09-13 Smoke Guard, Inc. Barrier systems and associated methods, including vapor and/or fire barrier systems
US20110203750A1 (en) * 2007-07-26 2011-08-25 Cloninger James N Barrier systems and associated methods, including vapor and/or fire barrier systems
US20090250174A1 (en) * 2007-07-26 2009-10-08 Cloninger James N Barrier systems and associated methods, including vapor and/or fire barrier systems
US8646510B2 (en) 2007-07-26 2014-02-11 James N. Cloninger Barrier systems and associated methods, including vapor and/or fire barrier systems
US8113266B2 (en) 2007-07-26 2012-02-14 Smoke Guard, Inc. Barrier systems and associated methods, including vapor and/or fire barrier systems
US20100024992A1 (en) * 2007-07-26 2010-02-04 Smoke Guard, Inc. Barrier systems and associated methods, including vapor and/or fire barrier systems
US20090165963A1 (en) * 2007-12-28 2009-07-02 Satoshi Nakamura Fire-resistant smoke-suppressant device
US7735539B2 (en) 2007-12-28 2010-06-15 Nohara Guard System Co. Ltd. Fire-resistant smoke-suppressant device
US8167020B2 (en) 2009-03-02 2012-05-01 Rite-Hite Holding Corporation Upper seal for a horizontal side-moving door
US20100243175A1 (en) * 2009-03-30 2010-09-30 Gonzales Curtis P Barrier systems and associated methods, including vapor and/or fire barrier systems with manual egress
US20100294437A1 (en) * 2009-04-29 2010-11-25 Gonzales Curtis P Barrier systems with programmable acceleration profile and auto-retries for pressured egress
US20110000625A1 (en) * 2009-07-02 2011-01-06 Won-Door Corporation Movable partitions, leading end assemblies for movable partitions and related methods
US20110036016A1 (en) * 2009-08-17 2011-02-17 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition
US9353568B2 (en) 2009-08-17 2016-05-31 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition
US20110088918A1 (en) * 2009-10-19 2011-04-21 Smoke Guard, Inc. Fire-rated multilayer fabric with intumescent layer
US8365796B2 (en) 2010-04-12 2013-02-05 Won-Door Corporation Methods, apparatuses, and systems for movable partitions
US8668001B2 (en) 2010-04-26 2014-03-11 Won-Door Corporation Folding partitions having protected actuation devices and related methods
US20140224433A1 (en) * 2010-07-16 2014-08-14 Won-Door Corporation Automatic drive systems, movable partition systems including such automatic drive systems, and related methods
US10253546B2 (en) 2010-07-16 2019-04-09 Won-Door Corporation Automatic drive systems, movable partition systems including such automatic drive systems, and related methods
US9309710B2 (en) * 2010-07-16 2016-04-12 Won-Door Corporation Automatic drive systems, movable partition systems including such automatic drive systems, and related methods
US8967225B2 (en) 2010-08-18 2015-03-03 Won-Door Corporation Leading end assemblies for movable partitions and related methods
US9470024B2 (en) 2010-08-18 2016-10-18 Won-Door Corporation Closure assemblies for movable partitions, movable partition systems including closure assemblies and related methods
US10017974B2 (en) 2010-08-18 2018-07-10 Won-Door Corporation Methods of installing at least a portion of a movable partition
US8627618B2 (en) 2010-08-18 2014-01-14 Tracy M. Knight Closure assemblies for movable partitions, movable partition systems including closure assemblies and related methods
US20120325413A1 (en) * 2011-06-27 2012-12-27 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition with a lead drive box
US8763672B2 (en) * 2011-06-27 2014-07-01 Won-Door Corporation Methods, apparatuses, and systems for driving a movable partition with a lead drive box
US20130211585A1 (en) * 2012-02-15 2013-08-15 Innovative Product Achievements, Llc Item dispensing apparatus
US9478093B2 (en) * 2012-02-15 2016-10-25 Innovative Product Achievements, Llc Item dispensing apparatus
US10068410B2 (en) 2012-02-15 2018-09-04 Innovative Product Achievements, Llc Item dispensing apparatus
US10559158B2 (en) 2012-02-15 2020-02-11 Innovative Product Achievements, Llc Item dispensing apparatus
US8910695B2 (en) * 2012-02-29 2014-12-16 Won-Door Corporation Systems and methods for remote control of a movable partition
US20130220558A1 (en) * 2012-02-29 2013-08-29 Won-Door Corporation Systems and methods for remote control of a movable partition
US10711511B2 (en) 2012-03-16 2020-07-14 Won-Door Corporation Methods of forming a leading end assembly for a movable partition
US9576418B2 (en) 2012-09-28 2017-02-21 Innovative Product Achievements, Llc Item dispensing apparatus
US9959698B2 (en) 2012-09-28 2018-05-01 Innovative Product Achievements, Llc Item dispensing apparatus
US10504316B2 (en) 2012-09-28 2019-12-10 Innovative Product Achievements, Llc Item dispensing apparatus
CN104134326A (zh) * 2014-08-07 2014-11-05 深圳市中天明科技有限公司 具有语音引导提醒功能的活动防火门的监控系统及方法
CN104134326B (zh) * 2014-08-07 2016-08-24 深圳市中天明科技有限公司 具有语音引导提醒功能的活动防火门的监控方法
CN104123806A (zh) * 2014-08-07 2014-10-29 深圳市中天明科技有限公司 具有语音引导提醒功能的常开防火门的监控系统及方法
CN104123806B (zh) * 2014-08-07 2016-08-24 深圳市中天明科技有限公司 具有语音引导提醒功能的常开防火门的监控方法
US10246114B2 (en) 2015-02-02 2019-04-02 Innovative Product Achievements, Llc Item dispensing apparatus
US9809240B2 (en) 2015-02-02 2017-11-07 Innovative Product Achievements, Llc Item dispensing apparatus
US10800438B2 (en) 2015-02-02 2020-10-13 Innovative Product Achievements, Llc Item dispensing apparatus
US11085230B2 (en) 2016-02-03 2021-08-10 Rite-Hite Holding Corporation Insulated doors with restorable breakaway sections
US20180156577A1 (en) * 2016-12-02 2018-06-07 Ballistic Cordon Systems, LLC Ballistic Curtain Cordon System
CN111206866A (zh) * 2020-01-20 2020-05-29 漳州龙文琪睿生物科技有限公司 一种逃生式防盗窗户

Also Published As

Publication number Publication date
CH580745A5 (nl) 1976-10-15
DE2325939A1 (de) 1973-12-13
ZA733300B (en) 1975-01-29
NL7307201A (nl) 1973-11-27
CA992651A (en) 1976-07-06
JPS5440198B2 (nl) 1979-12-01
AR201194A1 (es) 1975-02-21
GB1418190A (en) 1975-12-17
IL42299A0 (en) 1973-07-30
IL42299A (en) 1975-08-31
FR2186060A5 (nl) 1974-01-04
NL162561C (nl) 1980-06-16
SE394128B (sv) 1977-06-06
DE2325939C3 (de) 1979-03-29
BR7303773D0 (pt) 1974-08-29
JPS4949441A (nl) 1974-05-14
BE799941A (fr) 1973-09-17
DE2325939B2 (de) 1978-07-27

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Owner name: FIRST NATIONAL BANK OF LOUISVILLE, FIRST NATIONAL

Free format text: SECURITY INTEREST;ASSIGNOR:WON-DOOR CORPORATION A CORP. UT.;REEL/FRAME:004679/0828

Effective date: 19861024