US3857466A - Closure system - Google Patents

Closure system Download PDF

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Publication number
US3857466A
US3857466A US00426261A US42626173A US3857466A US 3857466 A US3857466 A US 3857466A US 00426261 A US00426261 A US 00426261A US 42626173 A US42626173 A US 42626173A US 3857466 A US3857466 A US 3857466A
Authority
US
United States
Prior art keywords
sill
door
radiant energy
hoistway
detector
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
US00426261A
Other languages
English (en)
Inventor
H Berkovitz
L Tosato
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US00426261A priority Critical patent/US3857466A/en
Priority to CA215,162A priority patent/CA983538A/en
Priority to GB53093/74A priority patent/GB1495394A/en
Priority to AU76290/74A priority patent/AU495277B2/en
Priority to BR10475/74A priority patent/BR7410475D0/pt
Priority to IT41735/74A priority patent/IT1024062B/it
Priority to DE19742459641 priority patent/DE2459641A1/de
Priority to ES433026A priority patent/ES433026A1/es
Priority to FR7441846A priority patent/FR2254711B1/fr
Priority to JP14456574A priority patent/JPS5437740B2/ja
Priority to BE151626A priority patent/BE823498A/fr
Application granted granted Critical
Publication of US3857466A publication Critical patent/US3857466A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
US00426261A 1973-12-18 1973-12-18 Closure system Expired - Lifetime US3857466A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US00426261A US3857466A (en) 1973-12-18 1973-12-18 Closure system
CA215,162A CA983538A (en) 1973-12-18 1974-12-03 Closure system
GB53093/74A GB1495394A (en) 1973-12-18 1974-12-09 Entranceway closure system with means for object detectio
AU76290/74A AU495277B2 (en) 1973-12-18 1974-12-11 Improvements in or relating to closure system
BR10475/74A BR7410475D0 (pt) 1973-12-18 1974-12-16 Estrutura de fechamento e de elevador
DE19742459641 DE2459641A1 (de) 1973-12-18 1974-12-17 Lichtschranke fuer automatische tueren
IT41735/74A IT1024062B (it) 1973-12-18 1974-12-17 Dispositivo di chiusura partico larmente per ascensori
ES433026A ES433026A1 (es) 1973-12-18 1974-12-17 Sistema de cierre.
FR7441846A FR2254711B1 (fr) 1973-12-18 1974-12-18
JP14456574A JPS5437740B2 (fr) 1973-12-18 1974-12-18
BE151626A BE823498A (fr) 1973-12-18 1974-12-18 Systeme de fermeture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00426261A US3857466A (en) 1973-12-18 1973-12-18 Closure system

Publications (1)

Publication Number Publication Date
US3857466A true US3857466A (en) 1974-12-31

Family

ID=23690038

Family Applications (1)

Application Number Title Priority Date Filing Date
US00426261A Expired - Lifetime US3857466A (en) 1973-12-18 1973-12-18 Closure system

Country Status (10)

Country Link
US (1) US3857466A (fr)
JP (1) JPS5437740B2 (fr)
BE (1) BE823498A (fr)
BR (1) BR7410475D0 (fr)
CA (1) CA983538A (fr)
DE (1) DE2459641A1 (fr)
ES (1) ES433026A1 (fr)
FR (1) FR2254711B1 (fr)
GB (1) GB1495394A (fr)
IT (1) IT1024062B (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565029A (en) * 1983-11-28 1986-01-21 The Stanley Works Traffic responsive control system for automatic swinging door
US4621452A (en) * 1985-01-18 1986-11-11 Deeg Wyman L Powered sliding door safety system
US4698937A (en) * 1983-11-28 1987-10-13 The Stanley Works Traffic responsive control system for automatic swinging door
US4823010A (en) * 1987-05-11 1989-04-18 The Stanley Works Sliding door threshold sensor
US4914859A (en) * 1987-04-16 1990-04-10 Lanson Electronics, Inc. Automatic door safety system
US5644111A (en) * 1995-05-08 1997-07-01 New York City Housing Authority Elevator hatch door monitoring system
US5656898A (en) * 1995-07-12 1997-08-12 Kalina; Edward T. Sliding door apparatus
US5659159A (en) * 1994-12-16 1997-08-19 Otis Elevator Company Elevator level control system using elevator/landing gap as a reflection duct
US6050369A (en) * 1994-10-07 2000-04-18 Toc Holding Company Of New York, Inc. Elevator shaftway intrusion device using optical imaging processing
US7940300B2 (en) 1999-12-10 2011-05-10 Stanley Black & Decker, Inc. Automatic door assembly with video imaging device
US20210323792A1 (en) * 2020-04-20 2021-10-21 Fujitec Co., Ltd. Elevator Safety Device
EP3978418A1 (fr) * 2020-10-01 2022-04-06 Otis Elevator Company Systèmes de détection d'obstruction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1947079A (en) * 1929-05-31 1934-02-13 Westinghouse Elec Elevator Co Safety device for vehicle doors
US2853158A (en) * 1956-07-13 1958-09-23 Elevator Construction & Servic Closure control mechanism
US2953219A (en) * 1954-12-24 1960-09-20 Westinghouse Electric Corp Door control apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1947079A (en) * 1929-05-31 1934-02-13 Westinghouse Elec Elevator Co Safety device for vehicle doors
US2953219A (en) * 1954-12-24 1960-09-20 Westinghouse Electric Corp Door control apparatus
US2853158A (en) * 1956-07-13 1958-09-23 Elevator Construction & Servic Closure control mechanism

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565029A (en) * 1983-11-28 1986-01-21 The Stanley Works Traffic responsive control system for automatic swinging door
US4698937A (en) * 1983-11-28 1987-10-13 The Stanley Works Traffic responsive control system for automatic swinging door
US4621452A (en) * 1985-01-18 1986-11-11 Deeg Wyman L Powered sliding door safety system
US4914859A (en) * 1987-04-16 1990-04-10 Lanson Electronics, Inc. Automatic door safety system
US4823010A (en) * 1987-05-11 1989-04-18 The Stanley Works Sliding door threshold sensor
US6050369A (en) * 1994-10-07 2000-04-18 Toc Holding Company Of New York, Inc. Elevator shaftway intrusion device using optical imaging processing
US5659159A (en) * 1994-12-16 1997-08-19 Otis Elevator Company Elevator level control system using elevator/landing gap as a reflection duct
US5644111A (en) * 1995-05-08 1997-07-01 New York City Housing Authority Elevator hatch door monitoring system
US5656898A (en) * 1995-07-12 1997-08-12 Kalina; Edward T. Sliding door apparatus
US7940300B2 (en) 1999-12-10 2011-05-10 Stanley Black & Decker, Inc. Automatic door assembly with video imaging device
US20210323792A1 (en) * 2020-04-20 2021-10-21 Fujitec Co., Ltd. Elevator Safety Device
EP3978418A1 (fr) * 2020-10-01 2022-04-06 Otis Elevator Company Systèmes de détection d'obstruction

Also Published As

Publication number Publication date
GB1495394A (en) 1977-12-21
FR2254711A1 (fr) 1975-07-11
ES433026A1 (es) 1976-11-01
IT1024062B (it) 1978-06-20
JPS5437740B2 (fr) 1979-11-16
JPS5094651A (fr) 1975-07-28
DE2459641A1 (de) 1975-06-19
FR2254711B1 (fr) 1977-07-08
BE823498A (fr) 1975-06-18
BR7410475D0 (pt) 1975-09-16
AU7629074A (en) 1976-06-17
CA983538A (en) 1976-02-10

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