[특허]Cylindrical lock set

Best Lock Corporation (Indianapolis IN 02)

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Cylindrical lock set

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-063/10
미국특허분류(USC)	70/224 ; 70/370 ; 70/451 ; 70/461
출원번호	US-0523570 (1974-11-14)
발명자 / 주소	Best Walter E. (Indianapolis IN) McCullum R. Gene (Indianapolis IN)
출원인 / 주소	Best Lock Corporation (Indianapolis IN 02)
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록
▼

A heavy duty cylindrical lock set adaptable for various “functions”and having improved features, especially to permit a key-removable lock core to be reversible in its knob mounting to suit right- and left-hand doors. A knob sleeve of large diameter is slotted and shaped at its knob receiving end to form two diametrically-opposed channel sections of high strength and rigidity. The inward edges of the four channel side legs form a mounting seat to receive the key-plug-containing body of the core on the axis of the knob, while the two spaces between the channel sections permit the pin-tumbler lobe or section of the core to extend radially in either of two orientations about the axis of the knob. Two of the channel side edges are notched to engage a key-controlled retaining lug of the core. The knob has a large bore in its outer end and is supported from the knob sleeve by a drive ring which accomodates the core in both orientations. A face plate is held in the knob bore by the core and closes the knob bore. The same knob may be used on the inside of the door, with a similar lock core and face plate or with a different face plate, differently retained, according to the “function”for which the lock set is adapted. The locked knob is retained on the sleeve by a keeper engaged behind a heavy internal rib and blocked from retraction by the cylindrical shank of a throw member held in place by the key-removable core. The inner end of the core-containing knob sleeve has a roll-back cam operable in one direction and contains a key release cam assembly having a roll-back cam operable in the other direction either by a key-actuated throw member or by the knob sleeve. The knob sleeve is of heavy section and is held against forceful withdrawal from the frame assembly both by the roll-back cam and by a spaced out-turned lug which rides in a groove in the hub below the level of the key-release roll-back cam. The knob has an integral tubular neck which rotatably fits over the mounting hub of the chassis and which is neatly surrounded over a variable length by a collar on an axially adjustable escutcheon. The escutcheon is threaded on the hub and is locked in adjusted position by a plunger pin which latches in retracted position during escutcheon adjustment.

대표
청구항
▼

A cylindrical lock, comprising a chassis having a hub, a tubular knob sleeve rotatably mounted in said hub and adapted to receive a key actuated lock core having a cylindrical body containing a key plug and having a pin-tumbler section extending laterally from said body, said sleeve being of substantially larger diameter than said lock core body and having at its outer end two opposite lengthwise slots, the material between such slots being formed as channel sections each having an outer web portion and side legs bent at an angle to said web portion and extending inward therefrom, the inner ends of the channel side legs being shaped and positioned to form longitudinal mounting ribs spaced about the axis of the sleeve to slidably receive and support the smaller body of the key-actuated lock core coaxially with the larger sleeve, at least one of the said slots being shaped to pass the piN-tumbler section of the lock core. A cylinder lock comprising a chassis having a hub, a tubular knob sleeve rotatably mounted in the hub and projecting beyond its end, a knob mounted over the sleeve and hub, said knob having a circular opening in its outer end of substantially larger diameter than said sleeve, a locating ring engaged about the end of the knob sleeve and within the circular opening of the knob to locate the knob coaxially with the sleeve, the locating ring having interlocking means, engaged with both the sleeve and knob to key the same to the ring and against relative rotation so as to transmit torque therebetween. A cylindrical lock comprising a chassis having a hub, a tubular knob sleeve rotatably mounted in said hub and adapted to receive a key-removable lock core having a body portion of smaller diameter than said sleeve and containing a rotatable key plug, the outer end of said sleeve being formed as two channel sections having elongated, inward-extending side legs which at their inner edges define an elongated cage for slidably receiving and supporting said lock core with its key plug coaxial with the sleeve, a roll back cam on the sleeve, a key-actuated roll back carrier rotatably mounted in the sleeve and having a roll back cam thereon, a throw member supported by and between said key plug at the front and said roll back carrier at the rear for transmitting key-actuated rotation of the key plug to said roll back carrier, a knob mounted about said sleeve and having a neck telescoped over said hub, a knob keeper mounted in said sleeve adjacent the outer end of said roll back carrier and having a keeper lug engaged with said neck, and a cylindrical shank on said throw member positioned in the path of retraction of said knob keeper to block retraction thereof, and thereby prevent knob removal, the throw member being removable with the key-removable lock core is removed, to thereby allow keeper retraction to release the knob for removal. A cylindrical lock comprising a chassis having a tubular hub including an out-turned flange at its inner end, a tubular knob sleeve rotatably mounted in said hub and having an out-turned knob-actuated roll back cam at its inner end bearing against the inner end of the hub, a key-actuated roll back carrier rotatably mounted in the sleeve and having a key-actuated roll back cam at its inner end, an out-turned retaining lug on said knob sleeve at a point spaced angularly from said roll back cam thereon and bearing against a face on said hub, said lug and said roll back cam co-acting to retain the sleeve against outward axial pull. A cylindrical lock comprising a chassis having inner and outer threaded hubs jointed at their inner ends to side plates, a frame member between the side plates, and means securing the side plates against the sides of the frame member with portions of the side plates projecting radially beyond the frame member in spaced relation, a combined escutcheon and clamp plate threaded on the outside hub and adapted to bear against the outside face of a door, an inside clamp plate for engaging the inside face of the door and bolts for drawing such plate toward the chassis so as to cause the two clamp plates to be drawn together to clamp the chassis to the door, locking means acting between the projecting portions of the side plates of the chassis and combined escutcheon and clamp plate to lock the latter against rotation on its hub, and an inside escutcheon threaded on the inside hub and covering the inside clamp plate, said locking means comprising a plunger pin slidably mounted in the projecting portions of the side plates and biased toward a locking position of engagement with said combined escutcheon and clamp plate, the latter having an annular series of openings therein into which said plunger pin extends in locking position, and latching means to latch said plunger pin in retracted position to permit free threaded adjustment of said clamp plate to suit the thickness of the door in which the lock is to be installed.

이 특허를 인용한 특허 피인용횟수: 40

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특허 상세정보

Cylindrical lock set

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이 특허를 인용한 특허 피인용횟수: 40

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특허 상세정보

Cylindrical lock set

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이 특허를 인용한 특허 피인용횟수: 40

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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