WO2002020928B1 - Retrofit power door assembly - Google Patents

Retrofit power door assembly

Info

Publication number
WO2002020928B1
WO2002020928B1 PCT/US2001/027519 US0127519W WO0220928B1 WO 2002020928 B1 WO2002020928 B1 WO 2002020928B1 US 0127519 W US0127519 W US 0127519W WO 0220928 B1 WO0220928 B1 WO 0220928B1
Authority
WO
WIPO (PCT)
Prior art keywords
operator
clutch
door panel
door
constructed
Prior art date
Application number
PCT/US2001/027519
Other languages
French (fr)
Other versions
WO2002020928A1 (en
Inventor
John Robert A St
Thomas M Kowalczyk
Quan H Nguyen
Original Assignee
Stanley Works
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 Stanley Works filed Critical Stanley Works
Priority to AU2001287083A priority Critical patent/AU2001287083A1/en
Publication of WO2002020928A1 publication Critical patent/WO2002020928A1/en
Publication of WO2002020928B1 publication Critical patent/WO2002020928B1/en

Links

Classifications

    • 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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
    • 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
    • E05Y2201/244—Actuation thereof by manual operation
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/72—Planetary gearing
    • 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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/70—Retrofitting of elements
    • 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

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The present application discloses a retrofit power door assembly for installation on a manual door assembly. One aspect of the application related to a retrofit power door assembly having an axial operator. Another aspect of the application relates to a retrofit power door assembly having a clutch with a manually engageable release member.

Claims

AMENDED CLAIMS[received by the International Bureau on 26 February 2002 (26.02.02); original claims 1 and 25 amended; new claim 45 added; remaining claims unchanged (14 pages)]
1. A retrofit power-operated door operating system for installation on a manual swing door assembly, said door assembly comprising a frame mounted to a building wall and a swinging door panel manually movable in a swinging manner with respect to said door frame between opened and closed positions thereof by manual force, said retrofit door operating system comprising: a door panel mounting structure constructed and arranged to be mounted externally to the door panel; wall mounting structure constructed and arranged to be mounted externally to the building wall; a linkage structure connected between said door panel mounting structure and said wall mounting structure; an axial operator comprising: an operator output member rotatable about an operator axis that extends generally vertically when said system is installed on the swing door assembly, said operator output member and said linkage structure being constructed and arranged such that, when said system is installed on the swing door assembly, rotation of said operator output member drives said linkage structure to move said wall and door panel mounting structures relative to one another to affect powered swinging movement of the door panel between the open and closed position thereof aforesaid; an electric motor connectable to an electric power supply, said motor
having a motor output member rotatable about said operator axis and being constructed and arranged to rotate said motor output member about said operator axis; a planet gear reduction transmission connected between said motor output member and said operator output member, said reduction transmission being constructed and arranged such that said transmission rotates said operator output member at a lower rotational speed than a rotational speed at which said motor rotates said motor output member and applies a higher torque to said operator output member than a torque which said motor applies to said motor output member; said reduction transmission comprising (a) an orbit gear arranged generally coaxially with respect to said operator axis, (b) a planet gear carrier positioned radially inwardly of said orbit gear and arranged for rotation about said operator axis, said planet gear carrier having a mounting portion offset generally radially from said output axis, and (c) a planet gear rotatably mounted to the mounting portion of said planet gear carrier such that said planet gear rotates about a planet gear axis that extends through said mounting portion generally parallel to said operator axis; said planet gear being operatively connected to said motor output member and engaged with a radially inwardly facing interior surface of said orbit gear such that rotation of said motor output member rotates said planet gear relative to said planet gear carrier about said planet gear axis which in turn causes said planet gear to roll along the interior surface of said orbit gear in a generally circumferential direction with respect to said operator axis, thereby rotating said planet gear carrier about said output axis at a lower rotational speed and at a higher torque than the rotational speed and torque at which said motor rotates said motor output member; said planet gear carrier being operatively connected to said operator output member such that rotation of said planet gear carrier as a result of said planet gear being rotated by said motor output member as aforesaid rotates said operator output member as aforesaid to affect said relative movement between said frame and door panel mounting structures; an input device operable to generate a door movement signal; and a controller communicated to the motor of said axial operator, said controller being operable responsive to receiving said door movement signal to control operation of said motor so as to selectively cause said motor to rotate said motor output member and thereby rotate said operator output member as aforesaid to affect said powered swinging movement of the door panel between the opened and closed positions thereof.
2. A system according to claim 1, wherein said linkage structure comprises first and second arm portions movably connected to one another.
3. A system according to claim 2, wherein said axial operator is connected to one of said wall and door panel mounting portions, wherein said first arm portion is connected to said operator output member such that said first arm portion is indirectly connected to said one of said wall and door panel mounting structures by said axial operator and such that rotation of said operator output member moves said first arm portion in a pivotal manner, and wherein said second arm portion is connected to the other of said wall and said door panel mounting structures.
4. A system according to claim 3, wherein said axial operator is connected to said door panel mounting structure and wherein said first arm portion is indirectly connected to said door panel mounting structure by said axial operator, said second arm portion being connected to said wall mounting structure.
5. A system according to claim 4, wherein said door panel mounting structure is a door panel mounting bracket and wherein said controller is mounted on said door panel mounting bracket.
6. A system according to claim 5, further comprising a cover mounted in covering relation over said axial operator and said controller.
7. A system according to claim 6, wherein said cover has an opening for allowing said first arm portion to extend therethrough in connection with said operator output member.
8. A system according to claim 4, wherein said wall mounting structure is constructed and arranged to be connected to the frame such that said wall mounting structure is indirectly connected to the wall by the frame.
9. A system according to claim 8, wherein said wall mounting structure is a guide track constructed and arranged to mounted to said frame and wherein said second arm portion is constructed and arranged to be mounted for guided movement along said track, said linkage structure being constructed and arranged such that, when said system is installed on the swing door assembly, rotation of said operator member affects pivotal movement of said first ami portion, which in turn affects guided movement of said second arm portion along said track to move said track and said bracket relative to one another to thereby affect said powered swinging movement of the door panel.
10. A system according to claim 1, wherein said input device that generates said door moving signal is a remote transmitter adapted for carriage by a person and wherein said controller includes a receiver operable to receive said door moving signal.
11. A system according to claim 1, further comprising an electric strike constructed and arranged to be mounted to the frame at a position suitable for receipt of a latch bolt carried on the swinging door panel, said electric strike being movable between a locking position wherein said strike cooperates with the bolt to prevent movement of the door panel from the closed position thereof and a releasing position wherein said strike allows the door panel to move from the closed position thereof to the open position thereof, said electric strike being adapted for communication to said controller such that said controller controls the operation of said electric strike so as to selectively cause said electric strike to move between the closed position thereof and the open position thereof upon receiving a strike movement signal.
12. A system according to claim 1 , wherein said planet gear and the interior surface of said orbit gear each have a plurality of teeth intermeshed with one another.
13. A system according to claim 1 , wherein said planet gear carrier has a plurality of said mounting portions and wherein said reduction transmission has a plurality of said planet gears each respectively mounted on said mounting portions.
14. A system according to claim 1, wherein said reduction transmission has (a) a multiplicity of said planet gear carriers each having a plurality of planet gear mounting portions and (b) a plurality of said planet gears for each planet gear carrier, the planet gears of each plurality thereof being respectively mounted on said planet gear mounting portions of each plurality thereof.
15. A system according to claim 1 further comprising a manually operable clutch movable between (a) an engaged position wherein said clutch enables the operative connection between said operator and said linkage structure such that operation of said operator under power affects said powered swinging movement of said door panel and (b) a disengaged position wherein said clutch disables the operative connection between said operator and said linkage structure to permit manual swinging movement of the door panel; said clutch having a manually engageable release member constructed and arranged to be manually moved in a releasing manner, said clutch being constructed and arranged such that manual movement of said release member in said releasing manner moves clutch from said engaged position thereof to disengaged positions thereof.
16. A system according to claim 15, wherein said clutch includes a spring biasing said clutch to said engaged position thereof.
17. A system according to claim 16, wherein said clutch includes a first clutch member connected to said linkage structure and a second clutch member connected to said operator, said first and second clutch members being movable relative to one another and being engaged together to affect said engaged position of said clutch and disengaged from one another to affect said disengaged position of said clutch, said spring being engaged with at least one of said clutch members to bias said clutch members into engagement together.
18. A system according to claim 17, wherein said first clutch member is fixed to said linkage structure and said second clutch member is movably mounted to said operator and wherein said release member is connected to said second clutch member such that moving said release member in said releasing manner moves said second clutch member to disengage said clutch members from one another, thereby affecting said disengaged position of said clutch.
19. A system according to claim 18, wherein said first and second clutch members are clutch discs.
20. A system according to claim 19, wherein said release member includes a handle structure that includes an interconnecting member that extends alongside said operator and a hand grip portion on said interconnecting member opposite said second clutch member.
21. A system according to claim 20, wherein said handle structure includes a second interconnecting member that extends alongside said operator opposite the aforesaid interconnecting member, said hand grip portion extending between and being connected to both said interconnecting members.
22. A system according to claim 21, wherein said interconnecting members extend beyond an end of said operator opposite said second clutch member.
23. A system according to claim 22, further comprising a cover mounted in covering relation with respect to said operator, said hand grip portion of said handle structure being external to said cover to facilitate operation thereof.
24. A system according to claim 23, wherein said hand grip portion is T- shaped.
25. A retrofit power-operated door operating system for installation on a manual swing door assembly, said door assembly comprising a frame mounted to a building wall and a swinging door panel manually movable in a swinging manner with respect to said
60 door frame between opened and closed positions thereof by manual force, said retrofit door operating system comprising: a door panel mounting structure constructed and arranged to be mounted to the door panel; wall mounting structure constructed and arranged to be mounted to the building wall; a linkage structure connected between said door panel mounting structure and said wall mounting structure; a power-operated door operator mounted on one of said wall mounting structure and said door mounting structure, said door operator being operatively connected to said linkage structure such that, when said system is installed on said swing door assembly, said operator drives said linkage structure to affect powered swinging movement of said door panel between the open and closed positions thereof; a manually operable clutch movable between (a) an engaged position wherein said clutch enables the operative connection between said operator and said linkage such that operation of said operator under power affects said powered swinging movement of said door panel and (b) a disengaged position wherein said clutch disables the operative connection between said operator and said linkage structure to permit manual swinging movement of the door panel; said clutch having a manually engageable release member constructed and arranged to be manually moved in a releasing manner, said clutch being constructed and arranged such that manual movement of said release member in said releasing manner moves clutch from said engaged position thereof to disengaged positions thereof;
61 an input device operable to generate a door movement signal; and a controller communicated to said operator, said controller being operable responsive to receiving said door movement signal to control operation of said operator so as to selectively cause said operator to drive said linkage structure as aforesaid to affect said powered swinging movement of the door panel between the opened and closed positions thereof.
26. A system according to claim 25, wherein said clutch includes a spring biasing said clutch to said engaged position thereof.
27. A system according to claim 26, wherein said clutch includes a first clutch member connected to said linkage structure and a second clutch member connected to said operator, said first and second clutch members being movable relative to one another and being engaged together to affect said engaged position of said clutch and disengaged from one another to affect said disengaged position of said clutch, said spring being engaged with at least one of said clutch members to bias said clutch members into engagement together.
28. A system according to claim 27, wherein said first clutch member is fixed to said linkage structure and said second clutch member is movably mounted to said operator and wherein said release member is connected to said second clutch member such that moving said release member in said releasing manner moves said second clutch member to disengage said clutch members from one another, thereby affecting said disengaged position of said clutch.
62
29. A system according to claim 28, wherein said first and second clutch members are clutch discs.
30. A system according to claim 28, wherein said release member includes a handle structure that includes an interconnecting member that extends alongside said operator and a hand grip portion on said interconnecting member opposite said second clutch member.
31. A system according to claim 30, wherein said handle structure includes a second interconnecting member that extends alongside said operator opposite the aforesaid interconnecting member, said hand grip portion extending between and being connected to both said interconnecting members.
32. A system according to claim 31 , wherein said interconnecting members extend beyond an end of said operator opposite said second clutch member.
33. A system according to claim 32, further comprising a cover mounted in covering relation with respect to said operator, said hand grip portion of said handle structure being external to said cover to facilitate operation thereof.
34. A system according to claim 33, wherein said hand grip portion is T-
shaped.
63 AMENDED SHEET (ARTICLE 19^
35. A system according to claim 33, wherein said operator is oriented generally vertically when said system is installed on the door assembly.
36. A system according to claim 35, wherein said linkage structure comprises first and second arm portions movably connected to one another.
37. A system according to claim 36, wherein said operator wherein said first arm portion is operatively connected to said operator such that said first arm portion is indirectly connected to said one of said wall and door panel mounting structures by said operator and such that said operator moves said first arm portion in a pivotal manner, and wherein said second arm portion is connected to the other of said wall and said door panel mounting structures.
38. A system according to claim 37, wherein said operator is connected to said door panel mounting structure and wherein said first arm portion is indirectly connected to said door panel mounting structure by said axial operator, said second arm portion being connected to said wall mounting structure.
39. A system according to claim 38, wherein said door panel mounting structure is a door panel mounting bracket and wherein said controller is mounted on said door panel mounting bracket.
64
40. A system according to claim 38, wherein said cover has an opening for
allowing said first arm portion to extend therethrough in connection with said operator output
member.
41 . A system according to claim 38, wherein said wall mounting structure
is constructed and arranged to be connected to the frame such that said wall mounting
structure is indirectly connected to the wall by the frame.
42. A system according to claim 41 , wherein said wall mounting structure
is a guide track constructed and arranged to be mounted to said frame and wherein said
second arm portion is constructed and arranged to be mounted for guided movement along
said track, said linkage structure being constructed and arranged such that, when said system
is installed on the swing door assembly, operation of said operator affects pivotal movement
of said first arm portion, which in turn affects guided movement of said second arm portion
along said track to move said track and said bracket relative to one another to thereby affect
said powered swinging movement of the door panel.
43. A system according to claim 25, wherein said input device that
generates said door moving signal is a remote transmitter adapted for carriage by a person and
wherein said controller includes a receiver operable to receive said door moving signal.
44. A system according to claim 26, further comprising a releasable
locking mechanism constructed and arranged to releasably lock said clutch in said disengaged
65 position thereof, said releasable locking mechanism being releasable to allow said spring to return said clutch to said engaged position thereof.
45. A method for installing the system of claim 1, said method comprising: mounting said door panel mounting stmcture externally to the door panel; and mounting the wall mounting structure externally to the building wall.
66
PCT/US2001/027519 2000-09-06 2001-09-06 Retrofit power door assembly WO2002020928A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001287083A AU2001287083A1 (en) 2000-09-06 2001-09-06 Retrofit power door assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23043300P 2000-09-06 2000-09-06
US60/230,433 2000-09-06

Publications (2)

Publication Number Publication Date
WO2002020928A1 WO2002020928A1 (en) 2002-03-14
WO2002020928B1 true WO2002020928B1 (en) 2002-06-20

Family

ID=22865198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/027519 WO2002020928A1 (en) 2000-09-06 2001-09-06 Retrofit power door assembly

Country Status (3)

Country Link
CN (1) CN1308565C (en)
AU (1) AU2001287083A1 (en)
WO (1) WO2002020928A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005015982U1 (en) * 2005-09-07 2007-01-18 Arca Beteiligungen Gmbh Door opener, has drive unit that is formed such that outer interference is adjusted by locking plate for releasing door latch against spring pre-tensioning, where door latch latches in plate during closing of door by pre-tensioning
DE202009016813U1 (en) * 2009-12-11 2011-04-21 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Drive device for a display element of a motor vehicle
US8793838B2 (en) * 2011-02-22 2014-08-05 Schlage Lock Company Llc Door actuator
DE202012100338U1 (en) * 2012-02-01 2013-05-02 Gebr. Bode Gmbh & Co. Kg Arrangement of a door leaf and a drive device for moving the door leaf for a passenger transport vehicle
US10443287B2 (en) * 2015-07-29 2019-10-15 Ford Global Technologies, Llc Door position sensor and system for a vehicle
CN109972962A (en) * 2019-04-03 2019-07-05 亚萨合莱自动门***有限公司 Automatic door operator and its transmission mechanism
US11578507B2 (en) * 2020-03-11 2023-02-14 Matthew Tinker Lock assembly for non-pivotable door

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1680517A (en) * 1927-03-22 1928-08-14 Joseph R Harris Garage-door-operating mechanism
US1799740A (en) * 1929-09-03 1931-04-07 Felton George William Gearing mechanism for changing speed ratios
DE8612331U1 (en) * 1986-05-05 1986-06-26 Wursthorn, Egon, 7637 Ettenheim Gate with a motor drive
JPH01163386A (en) * 1987-12-18 1989-06-27 Nippon Denso Co Ltd Switchgear of door for car
US4895048A (en) * 1988-04-25 1990-01-23 United Technologies Electro Systems, Inc. Powered actuator with manual override feature
US5221239A (en) * 1990-09-17 1993-06-22 Overhead Door Corporation, Horton Automatics Division Automatic door operator with compound epicyclic gear drive system
US5634296A (en) * 1994-05-16 1997-06-03 Carol A. Hebda Remote control door operating device
US5613321A (en) * 1994-08-30 1997-03-25 Ricon Corporation Releasable drive mechanism
FR2748772A1 (en) * 1996-05-17 1997-11-21 Payovitch Noel Automatic gate opening system for single or paired gates

Also Published As

Publication number Publication date
CN1308565C (en) 2007-04-04
WO2002020928A1 (en) 2002-03-14
AU2001287083A1 (en) 2002-03-22
CN1392916A (en) 2003-01-22

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