[특허]Adjustable-grip latch

Adjustable-grip latch 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05C-003/04
출원번호	US-0352311 (1982-02-25)
발명자 / 주소	Dignan Donald J. (South Euclid OH)
출원인 / 주소	The Eastern Company (Cleveland OH 02)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

An adjustable grip latch has a slippable, friction-type drive connection provided between a shaft and a pawl which is carried on the shaft. A stop extends alongside the shaft for limiting the travel of the pawl to a range of movement extending between latched and unlatched positions. When the pawl is in its latched position it engages one portion of the stop. When the pawl is in its unlatched position it engages a different portion of the stop. The slippable drive connection transmits only a limited amount of torque from the shaft to the pawl, thereby enabling the shaft to move the pawl between its latched and unlatched positions, and enabling the shaft to rotate relative to the pawl when the pawl has engaged the stop. The slippable drive connection utilizes a wave spring washer to effect transmission of limited torque from the shaft to the pawl.

대표청구항 ▼

A latch, comprising: (a) a shaft of generally round cross section having threads on at least a part of the shaft; (b) stop means; (c) mounting means mounting the shaft for rotation about an axis, and positioning the stop means near the shaft; (d) pawl means carried by the shaft for threadably engaging the threaded part of the shaft, the pawl means including friction drive means for transmitting limited torque from the shaft to the pawl means to urge the pawl means to rotate about the axis together with the shaft; (f) the pawl means and the stop means being configured such that: (i) when the shaft is rotated about the axis in one direction, torque is transmitted from the shaft to the pawl means through the friction drive means to rotate the pawl means with the shaft toward a latched position wherein the pawl means engages the stop means, and, once the pawl means has engaged the stop means, to thereafter restrain further rotary movement of the pawl means as the shaft continues to be rotated, whereby the threaded engagement between the shaft and the pawl means causes the pawl means to travel axially along the shaft as the shaft is rotated relative to the pawl means; (ii) when the shaft is rotated about the axis in the opposite direction, torque is transmitted from the shaft to the pawl means through the friction drive means to rotate the pawl toward an unlatched position wherein the pawl means engages the stop means, and, once the pawl means has engaged the stop means, to thereafter restrain further rotary movement of the pawl means as the shaft continues to be rotated, whereby the threaded engagement between the shaft and the pawl means causes the pawl means to travel axially along the shaft as the shaft is rotated relative to the pawl means; (g) the friction drive means including: (i) a compressible spring washer which extends about a part of the shaft, the washer having opposed, axially-spaced face portions which may be compressed relatively axially in opposition to the spring action of the spring washer; and, (ii) connection means compressively engaging the opposed face portions of the spring washer and establishing a frictional drive connection for transmitting torque from the shaft to the pawl means.

이 특허를 인용한 특허 (25)

Hansen, Randall C., Adjustable actuator assembly and handle assembly having adjustable actuator assembly.
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Eller, Darren C.; Piantek, Ryan; Riley, Dan; Geraci, Andrew, Anti-ligature handle and escutcheon for operating a lock.
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Printiss ; Sr. Frederick H. (Neillsville WI), Clamp assembly.
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Masaki Mikio (Tokyo JPX) Kobayashi Toshikazu (Kawasaki JPX), Cylinder lock assembly.
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Monneret,Jean Jacques; Pierpaoli,Claudio, Device that makes it possible to lock and unlock, by means of a key, a stopper or cover on a frame.
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Marks Chester J., Door securing device.
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Weinerman Lee S. (Medina OH) Vargus Joel T. (Middleburg Hts. OH), Half turn cabinet latch with door gasket clamping capability.
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Weinerman Lee S. (Medina OH) Mayo Steven A. (Akron OH) McLinden Thomas V. (Oxford CT) Wentzell Timothy H. (South Windsor CT), Latch and lock assemblies with expansible latch elements.
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Weinerman Lee S. (Medina OH) Albris Frank R. (Parma OH) McClinden Thomas V. (Oxford CT) Wentzell Timothy H. (South Windsor CT), Latch and lock assemblies with lift and turn handles.
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Weinerman Lee S. (Medina OH) Mayo Steven A. (Akron OH) McLinden Thomas V. (Oxford CT) Wentzell Timothy H. (South Windsor CT), Latch and lock assemblies with spring-biased pivot bolts.
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Weinerman Lee S. (Medina OH) Mayo Steven A. (Akron OH) Vargus Joel T. (Parma OH) McLinden Thomas V. (Oxford CT) Wentzell Timothy H. (South Windsor CT), Latch and lock assemblies with spring-biased pivot bolts.
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Weinerman Lee S. (Medina OH) Worden David F. (Brookpark OH) Lauterbach Norman (Ormond Beach FL) Farmer ; Jr. Wilton T. (Mechanicsville VA), Latch and lock assemblies with spring-biased pivot bolts.
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Weinerman Lee S. (Medina OH) Mayo Steven A. (Akron OH) Vargus Joel T. (Middleburg Heights OH) Albris Frank R. (Parma OH) Russell Richard H. (Farmington CT) McLinden Thomas V. (Oxford CT) O\Grady Rich, Latch and lock assemblies with spring-biased slide bolts.
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Weinerman Lee S. (Medina OH) Mayo Steven A. (Akron OH) Vargus Joel T. (Middleburg Heights OH) Albris Frank R. (Parma OH) Russell Richard H. (Farmington CT) McLinden Thomas V. (Oxford CT) O\Grady Rich, Latch and lock housings, handles and mounting brackets.
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Ikeda, Tamotsu; Sakaya, Kohta; Takahashi, Yoshiharu; Hiraoka, Chikara, Lever switcher with mechanism for minimizing mechanical shock and sound and fixing device and image forming apparatus incorporating lever switcher.
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Zeloof, Haskel; Vanderpool, Thomas, Locking cover for construction vault.
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Winkler, Heinz, Locking device.
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Lee, Hung-Yi, Locking mechanism and related electronic device capable of being switched for switchable security locks with different design.
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Anderson, Glenn E.; Schlack, Richard E.; Turner, D. Dale; Vickers, James; Spatig, Stephen K.; Langkamp, Richard B.; Riblett, H. Allen, Pawl assembly.
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Ramsauer, Dieter, Rotating-lock closure with traction unit.
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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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Adjustable-grip latch 원문보기

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Adjustable-grip latch 원문보기

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이 특허를 인용한 특허 (25)

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