[특허]Key-in-lever type door lock used for handicapped people

[미국특허] Key-in-lever type door lock used for handicapped people 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-013/10
출원번호	US-0729371 (1991-07-12)
발명자 / 주소	Shen Chao C. (No. 62 Hoshan St. Tainan TWX)
인용정보	피인용 횟수 : 52 인용 특허 : 0

초록 ▼

A key-in-lever type door lock which can be installed on either a left hand or right hand door by a left-right reverse operation of a reverse plate. The lock comprises a lock assembly which regulates a uni-directional, 45-degree rotation of a handle thereof and a latch assembly which converts the 45-degree rotational movement to a retraction of a latch bolt. The lock is jimmy-proof, i.e., secure against improper manipulation, by the provision of a latch stop pivoted to the latch bolt and being movable together therewith. The latch stop, which has a catch end normally blocked by a retaining plate, is operationally pivotable about the latch bolt to release the blockage, thereby permitting a relative sliding movement between the latch stop and the retaining plate.

대표청구항 ▼

A lock assembly for cooperating with a latch assembly comprising: a mounting means comprising a pair of escutcheons and a first and a second mounting plate mounted on a respective opposite sides of a door and fixedly attached to each other; a first driving means rotatably mounted to said mounting means on an outer side of the door, said first driving means comprising an outside spindle adapted to be rotatable by an outside lever handle, a locking plug received within said outside spindle, and a control means for blocking a turning movement of said outside spindle relative to said mounting means, said control means comprising: a pair of annular slots on said locking plug each having an indented edge; a pair of notches diametrically formed on an end of said outside spindle near said first mounting plate; a pair of grooves diametrically formed on a boss of said first mounting plate; and a locking slide diametrically positioned within and extending through said annular slots on said locking plug, said notches on said outside spindle, and said grooves on said first mounting plate, said locking slide permitting said locking plug to be rotatable with said outside spindle; said locking slide being normally urged to bear against a first section of said indented edge to disengage from said grooves of said first mounting plate, and being linearly movable in an axial direction of said locking plug to engage with said first mounting plate in response to a turning movement of said locking plug; a second driving means rotatably mounted to said mounting means on an inner side of the door, said second driving means comprising an inside spindle adapted to be rotatable by an inside lever handle and a turning sleeve; a driven means provided at about a head of a corresponding spindle and substantially within an interior of a corresponding mounting plate facing the door, said driven means comprising: a retractor fixedly secured to said head of said spindle and being rotatable therewith; a retractor spring mounted in a stationary relationship to said mounting means, said retractor spring applying a returning spring force on said retractor as said retractor is turned with respect to said mounting means; an square spindle mounted in a fixed relationship to said retractor and being turnable therewith; and a reverse plate fixedly attached to a corresponding mounting plate for controlling a predetermined direction of rotation of said retractor; and a locking means for manipulating said control means to releasably establish a blockage of said outside spindle relative to said mounting means.

이 특허를 인용한 특허 (52) 인용/피인용 타임라인 분석

Shen Mu-Lin,TWX, Adapter device for a key-in-lever type lock.
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Bates, Peter K.; Bradley, Truman; Hendrickson, Thor; Pompeii, Dario L., Convertible door lock latch mechanism.
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Kang Eui Shik,KRX, Device for unlocking tubular-type door lock in conjunction with indoor handle.
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Lin, Ching Tien, Door handle.
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Humes, Gary L., Door handle assembly.
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Furlong, Jonathan W., Door latching mechanism.
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Park Jung W. (Taegu KRX), Door lock.
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Eagan Bruce P. ; Legner James J. ; Pompeii Dario, Door lock with clutching mechanism.
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Chung Tien-Ho (No. 294 ; Tao-Chou Rd. Ho-Mei chen ; Changhua TWX), Doorknob.
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Hensley Frederick M. (Colorado Springs CO) Dehn Gary A. (Colorado Springs CO) Pompeii Dario L. (Colorado Springs CO) Towles Jeffrey G. (Colorado Springs CO), Dual lock with simultaneous retraction of latch and deadbolt by inside lever and uncoulpler between driving spindle and.
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Shen, Mu-Lin, Easy-to-operate cylindrical lock.
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Brown, James W.; Overbey, James W.; Levesque, Alfred S., Electronic door with key-in-lever feature.
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Bergen,Gary; Adelmeyer,Gerard, Field-reversible locking mechanism.
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Eckhardt, Martin; Reitz, Reinhold; Alber, Helmut; Debus, Frank; Schaub, Bernhard, Fitting for a window or door.
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Tejszerski, Filip; Tun, Linn Thu Yein, Handle.
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Tejszerski, Filip; Tun, Linn Thu Yein, Handle.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Caffin, Bartholomew Jeremy; Tejszerski, Filip, Hinge.
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Wu, Wen bin, Inside locking device of flat handle lock.
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Viviano,Robert J.; Boehlow,Robert D., Keyless deadbolt door lock assembly.
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Boehlow, Robert D., Keyless deadbolt lock engaging device.
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Boehlow,Robert D., Keyless deadbolt lock engaging device.
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Novak, James; Smith, Glenn; Tarris, Andre, Latch.
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Hoppe Friedrich,CHX ; Engel Heinz-Eckhard,ITX, Latch and lockset system.
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Antkowiak,Margaret; Karcz,Irek, Latch for doors and gates.
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Antkowiak,Margaret; Karcz,Irek, Latch for gates.
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Antkowiak,Margaret; Karcz,Irek, Latch for gates and doors.
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Banducci David, Lever assembly for high torque load.
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Shor Ilya, Lever handle door lock with adapter.
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Yao Celina,TWX, Lock assembly allowing the handles thereof rotated by a large angle.
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Yao Celina,TWX, Lock assembly allowing the handles thereof rotated by a large angle.
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Lin-Shi Huang TW, Lock that can be locked from two sides thereof.
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Huang Lan-Shi,TWX, Lock with improved torsional strength.
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Shen, Mu-Lin, Lock with increased torque-resisting capacity.
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Shen Mu-Lin,TWX, Manual control device for a pickproof lock assembly.
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Shen,Mu Lin; Tiem,Roger, Mortise lock.
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Shen,Mu Lin; Tiem,Roger, Mortise lock.
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Moon, Charles W., Mortise lock assembly.
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Bates, Peter K.; Bradley, Truman; Hendrickson, Thor; Pompeii, Dario L., Push button door locking mechanism.
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Shen Mu-Lin,TWX, Push button for a tubular lock unlockable by an inside handle thereof.
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Chong, Gerald B.; Bergen, Gary, Push button with latch kick-off.
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Singtoroj, Yos, Push-button for door lever/handle.
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Richard H. Huang ; Ronald S. Slusarski, Retracting spindle for mortise lock.
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Bates, Peter K.; Hendrickson, Thor; Pompeii, Dario L., Rose locking mechanism.
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Bates, Peter K.; Hendrickson, Thor; Pompeii, Dario L., Slide.
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Ellis Philip C. ; Meck Leslie A., Spring retainer for lock mechanism.
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Novak, James; Smith, Glenn; Tarris, Andre, Striker for latch.
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Pardoe, Keith, Systems, devices, and/or methods for managing swinging doors.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Key-in-lever type door lock used for handicapped people 원문보기