[특허]Paddle locks with handle disconnect features

The Eastern Company (Cleveland OH 02)

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Paddle locks with handle disconnect features

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-055/04 E05C-001/14
미국특허분류(USC)	70/472 ; 70/149 ; 70/204 ; 70/218
출원번호	US-0108007 (1979-12-28)
발명자 / 주소	Pastva Jr. John V. (Parma Hts. OH)
출원인 / 주소	The Eastern Company (Cleveland OH 02)
인용정보	피인용 횟수 : 51 인용 특허 : 3

초록
▼

A door lock has a flush-mountable body. A forwardly facing recess is defined by the body. A paddle-type handle is pivotally carried by the body and is movable between a nested position within the body recess and an operating position. A bolt is carried on the back of the body and is movable between latching and unlatching positions. A key-controlled disconnect linkage is provided for selectively connecting and disconnecting the handle and the bolt. The disconnect linkage includes a disconnect member which is moved by a key-operated locking member between connecting and disconnecting positions located, respectively, in and out of the path of travel of a handle operating arm. When the disconnect linkage drivingly connects the handle and the bolt, movement of the handle from its nested position to an operating position will cause corresponding unlatching movement of the bolt. When the disconnect linkage disconnects the handle from the bolt, movement of the handle is inoperative to cause unlatching movement of the bolt. A feature of the disconnect linkage is that it provides the lock with a “slam”capability, meaning that the bolt can be slammed into latching engagement with a suitable configured strike regardless of whether the disconnect linkage is drivingly connecting or disconnecting the handle and the bolt. Three exemplary lock embodiments are described.

대표
청구항
▼

A door lock, comprising: (a) a body structure, including: (i) a generally pan-shaped body having a back wall and a side wall extending forwardly therefrom, the back wall and the side wall cooperating to define a forwardly-facing recess, the side wall including opposed, substantially parallel-extending side wall portions on opposite sides of the recess, and a front wall connected to the side wall and extending perimetrically about the side wall to define a substantially planar mounting flange which defines the perimeter of the body; (ii) plate means connected to the back wall of the body and cooperating therewith to define a slide bolt passage and a disconnect member passage which intersect at a central location along the back wall, the slide bolt passage extending in a direction substantially paralleling the side wall portions, the disconnect member passage extending in a direction transverse to the direction of the slide bolt passage, the plate means having an elongate slot formed therethrough opening into the disconnect member passage near one end thereof and extending in a longitudinal direction substantially paralleling the direction of the disconnect member passage; (b) an elongate slide bolt positioned in the slide bolt passage and being slidably carried therein for movement along a first path of travel between a latching position wherein the slide bolt is relatively extended with respect to the body structure, and an unlatching position wherein the slide bolt is relatively withdrawn with respect to the body structure, the slide bolt having a connecting formation provided thereon at a location near where the slide bolt extends across the disconnect member passage; (c) a nestable handle structure, and shaft means for pivotally mounting the handle structure on the body structure for forward and rearward movement relative to the body structure between a normal position wherein the handle structure is relatively nested within the body recess, and an operating position wherein the handle structure is relatively extended with respect to the body recess, the shaft means extending in a direction substantially paralleling the direction of the disconnect member passage and having an end portion which extends through a hole formed in at least one of the opposed side wall portions of the pan-shaped body, an operating formation connected to the shaft means end portion and projecting rearwardly with respect to the front wall of the pan-shaped body, the operating formation and the handle structure being drivingly connected such that the operating formation moves along a second path of travel relative to the body structure as the handle structure is moved between its normal and operating positions, the second path of travel being defined to lie within a plane which substantially parallels the direction of the first travel path; (d) key-control means connected to the body structure and having a locking member which is movable relative to the body structure between locked and unlocked positions, the key-control means being operable to selectively retain the locking member in its locked and unlocked positions; (e) an elongate disconnect member positioned in the disconnect member passage and being slidably carried therein for movement along a third path of travel extending longitudinally of the disconnect member passage, the disconnect member having one end which projects beyond the disconnect member passage and carries an abutment surface, the disconnect member being movable along the third travel path between a connecting position wherein the abutment surface intersects the second path of travel of the operating formation, and a disconnecting position wherein the abutment surface is withdrawn from the second travel path; (f) pin means extending through the elongate slot formed in the plate means and connecting with the other end portion of the disconnect member for cooperating with the ends of the elongate slot to limit the range of sliding movement of the disconnect member along the third travel path, and for pivotally connecting the disconnect member and the plate means to enable the disconnect member to pivot relative to the body structure along a fourth path of travel which has the form of an arc with its center of radius being the locus of the pin means, the arc of the fourth travel path extending substantially parallel to the directions of the first and second travel paths; (g) connecting means for: (i) moving the disconnect member from its disconnecting position to its connecting position in response to movement of the locking member from its locked position to its unlocked position, whereby the abutment surface of the disconnect member is brought into the second travel path during such movement of the locking member to drivingly couple the operating formation and the disconnect member; and, (ii) moving the disconnect member from its connecting position to its disconnecting position in response to movement of the locking member from its unlocked position to its locked position, whereby the abutment surface is withdrawn from the second travel path thereby preventing the operating formation from drivingly engaging the disconnect member when the operating formation moves along the second travel path; and, (h) the disconnect member means being engageable with the connecting formation on the slide bolt to move the slide bolt from its latching position to its unlatching position when the disconnect member is moved along the fourth travel path in response to movement of the operating formation along the second travel path during movement of the handle structure from its normal position to its operating position.

이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 51

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Paddle locks with handle disconnect features

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이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 51

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Paddle locks with handle disconnect features

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이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 51

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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