[특허]Rotary handle operated door lock

The Eastern Company (Strongsville OH 02)

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Rotary handle operated door lock

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60R-025/02
미국특허분류(USC)	70/208 ; 70/210 ; 292/3363 ; 292/359
출원번호	US-0850981 (1986-04-11)
발명자 / 주소	Swan Jye P. (Brunswick Hills OH) Weinerman Lee S. (Median OH) Mayo Steven A. (Akron OH)
출원인 / 주소	The Eastern Company (Strongsville OH 02)
인용정보	피인용 횟수 : 144 인용 특허 : 2

초록
▼

A rotary handle operated lock includes a pan-shaped housing member that has a back wall at the base of a forwardly facing recess. A guide member is welded to the rear face of the back wall and cooperates with the back wall to define a sturdy guide channel which slidably mounts a control member form movement between locked and unlocked positions. A shaft extends through aligned holes that are formed in the back wall and in the guide member, and through a keyhole shaped slot that is formed in the control member. The shaft has a front end region that carries a pivotally mounted, nestable operating handle, and a rear end region that carries a latching arm. The operating handle and the latching arm rotate with the shaft between latched and unlatched positions. The shaft has opposed flat side surfaces that are selectively engaged and released by the opposed flat sides of the keyhole shaped slot when the control member is moved to its locked and unlocked positions, respectively, whereby the shaft is prevented from rotating or permitted to rotate.

대표
청구항
▼

A rotary handle operated, flush mountable door lock, comprising: (a) housing means including: (i) a pan-shaped housing member formed as a sheet metal stamping and having: (1) a substantially flat back wall with opposite sides thereof defining front and rear faces that extend substantially parallel to each other in spaced planes that are separated by a distance equal to the thickness of the back wall; (2) side wall means formed integrally with the back wall for extending in an uninterrupted and continuous manner about and perimetrically bordering the back wall, and for cooperating with the back wall to define a forwardly facing recess that extends forwardly from the front face of the back wall; (3) mounting flange means including a substantially flat mounting flange that is formed integrally with the side wall means for extending in an uninterrupted and continuous manner about and perimetrically bordering the side wall means, and that extends in a plane which parallels the back wall and which defines a front boundary of the forwardly facing recess; (ii) an elongate guide member having: (1) a pair of substantially flat end portions that extend in a common first plane; (2) a substantially flat central portion located between the end portions and extending in a second plane that is substantially parallel to but spaced from the first plane; (3) a pair of substantially flat connecting portions that border opposed edge of the central portion, that extend in spaced parallel planes which intersect the first and second planes and which are substantially perpendicular to first and second planes, and that are formed integrally with the end portions and the central portion, whereby each of the connecting portions functions to connect a separate one of the end portions to a separate one or two opposed edges of the central portion; (iii) the guide member being rigidly connected to the housing member as by rigidly connecting the spaced end portions to the rear face of the back wall, with the guide member being positioned relative to the housing member such that the common plane of the end portions extends along the rear face of the housing member in parallel relationship thereto, with the central portion of the guide member extending in spaced parallel relationship with a substantially centrally located portion of the back wall, and with the connecting portions cooperating with the central portion of the guide member and with the centrally located portion of the back wall of the housing member to define a guide channel that extends along and in direct contact with the rear face of the back wall to define a guide path of movement that parallels each of the back wall, the central portion and the connecting portions, with the connecting portions defining opposed side boundaries of the guide channel, with the back wall and the central portion defining opposed front and rear boundaries of the guide channel, and with the guide channel being of substantially uniform, generally rectangular cross section having a width that is determined by the spasce between the side boundaries and a thickness that is determined by the space between the front and rear boundaries; (iv) aligned holes formed through the central portion and through the centrally located portion, with the aligned holes being coaxial about an imaginary shaft rotation axis that extends perpendicularly with respect to the back wall, and with the imaginary shaft rotation axis intersecting the guide channel at a location between and spaced substantially equidistantly from the side boundaries of the guide channel; (b) shaft means including a shaft extending along the shaft rotation axis through the aligned holes and having a front end region that projects forwardly from the back wall and into the recess, and having a rear end region that projects rearwardly from the back wall, the shaft being rotatable about the shaft rotation axis relative to the housing between latched and unlatched positions; (c) operating handle mens including an operating handle connected to the front end region of the shaft and being rotatable with the shaft about the shaft rotation axis between the latched and unlatched positions; (d) a latching arm connected to the rear end region of the shaft and being rotatable therewith about the shaft rotation axis between the latched and unlatched positions; (e) receiving formation means provided on the shaft at a location wherein said the shaft intersects with the guide channel, with the receiving formation means including a pair of flat surface portions formed on opposed sides of the shaft, with the flat surface portions extending substantially parallel to each other and parallel to the shaft rotation axis, and with the flat surface portions being spaced substantially equidistantly from the shaft rotation axis and at a predetermined distance from each other; (f) key operated locking means connected to the housing for selectively restraining the handle, the shaft and the latching arm from rotating about the shaft rotation axis when the handle, the shaft and the latching arm are in their latched and unlatched positions, the key operated ocking means including: (i) control means including an elongated, one-piece control member that has at least a mounting portion that extends into the guide channel and that is slidably connected to the housing means by virtue of the mounting portion of the control means being dimensioned such that its cross section if of generally rectangular form having width and thickness dimensions that are only slightly less than the width and thickness of the guide channel, whereby the control member is mounted on the housing means for smooth sliding movement relative thereto along a guide path of movement that is defined by the guide channel, with the control member being movable along the guide path of movement between locked and unlocked positions, and with such movement being guided by direct engagement of the control member with each of the back wall of the housing, the central portion of the guide member and the connecting portions of the guide member; (ii) locking formation means defined by the control means in the form of an elongate keyhole shaped slot formed through the control member and having the shaft extending therethrough, with the length of the slot paralleling the guide path of movement, with the slot having relatively small end region at one end thereof and a relatively large end region at the other end thereof, with the relatively small end region being defined in part by a pair of flat side wall portions that extend in parallel relationship to the guide path of movement and along opppsed sides of the keyhole shaped slot at substantially equal distances from the axis of shaft rotation and being spaced from each other at a distance that is selected to permit the flat surface portions of the shaft to be closely received therebetween when the control member is in its locked position to prevent shaft rotation about the shaft rotation axis, and with the relatively large end region of the slot having an enlarged circular formation of suffificent size to loosely surround the shaft and to thereby readily permit rotation of the shaft about the shaft rotation axis when the control member is in its unlocked position; (ii) key cylinder means for receiving a suitably configured key and having rotatable stem means for rotation relative to the housing in response to rotation of a suitable configured key in the key cylinder means; and, (iv) cam means connected to the rotatable stem means for movement therewith and for drivingly engaging the control means for selectively moving the control member between its locked and unlocked positions, and for cooperating with the control means to selectively retain the control means in its locked and unlocked positions; (g) the locking formation means and the receiving formation means being operable to engage when the control member has been moved to its locked position to prevent rotation of the handle, the latching arm and the shaft relative to the housing, and being operable to disengage when the control member has been moved to its unlocked position to permit rotation of the handle, the latching arm and the shaft relative to the housing about the shaft rotation axis.

인용문헌 (2)

이 특허를 인용한 특허 (144)

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Rotary handle operated door lock

초록
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청구항
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인용문헌 (2)

이 특허를 인용한 특허 (144)

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특허 상세정보

Rotary handle operated door lock

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인용문헌 (2)

이 특허를 인용한 특허 (144)

IPC 상위 출원인

과제정보

상세정보조회

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IPC 상세정보(version : 201201)

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