[특허]Releasable locking device

Releasable locking device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-015/00
출원번호	US-0528121 (1974-11-29)
발명자 / 주소	Lesham Adam (Bloomfield CT) Schukei Glen Elwin (South Windsor CT)
출원인 / 주소	Combustion Engineering, Inc. (Windsor CT 02)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

A releasable locking device for urging limited relative rotation about a longitudinal axis between a first and second object threadably coupled together so as to maintain a tight connection of the coupled objects. The locking device comprises a brake plate which is supported with respect to the second object so as not to move rotationally relative thereto, a locking plate supported with respect to the first object so as not to move rotationally relative thereto, and a biasing means. The brake plate and locking plate are each positioned laterally adjacent to the first object and each have longitudinally extending complimentary ratchet teeth having inclined surfaces on their mutually facing, surfaces, the inclined surfaces of ratchet teeth of the brake plate being adapted to mate with the inclined surfaces of ratchet teeth of the locking plate. The biasing means normally biases the locking plate and brake plate toward one another to mate the inclined surfaces thereof so that the biasing force is transmitted through the inclined surfaces to urge relative rotation of the locking plate and brake plate. In this way, a force is continuously applied to maintain a tight connection of the two coupled objects. Also, the biasing means is releasable to permit one of the objects to be rotated freely relative to the other.

대표청구항 ▼

A releasable locking device for urging limited relative rotation about a longitudinal axis between a first and a second object threadedly coupled together so as to maintain a tight connection of the coupled objects, the locking device comprising: a brake plate having a plurality of ratchet teeth having inclined surfaces extending therefrom in the longitudinal direction, said brake plate being positioned laterally adjacent to a longitudinal portion of the first object; first means associated with said brake plate and said second object for preventing relative rotational movement therebetween; a locking plate having a plurality of ratchet teeth having inclined surfaces extending therefrom in the longitudinal direction and being complimentary with said ratchet teeth of said brake plate, said locking plate being positioned laterally adjacent to said first object so as to permit said inclined surfaces of said ratchet teeth of said locking plate and said brake plate to mate with each other; second means associated with said locking plate and said first object for preventing relative rotational movement therebetween; at least one of said brake plate and said locking plates being longitudinally movable relative to said first object to move said ratchet teeth into and out of mating engagement; and means for normally biasing said locking plate and said brake plate toward one another to mate said inclined surfaces thereof, the biasing force applied by said biasing means being transmitted through said inclined surfaces to urge relative rotation of said locking plate and said brake plate to apply a tightening force between said first and second objects, said biasing means being releasable to permit one of said objects to be freely rotated relative to the other of said objects and positioned to bear against said second object and said at least one longitudinally movable plate.

이 특허를 인용한 특허 (33)

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Bashkirtsev, Sergey M.; Kuznetsov, Valentin F.; Kevrolev, Valery V.; Morozov, Alexey G., Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly.
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Weller Michael E. (House Springs MO) Daghe Joseph L. (Decatur IL), Method of installing a stopper in a fitting and apparatus therefor.
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Leclercq Joseph (ST Didier au Mt d\OR FRX) Canat Jean-Nol (Lyons FRX), Nuclear fuel assembly with holding structure and hold down device.
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Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich, Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
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Rudolph Matthias (Weisendorf DEX), Nuclear reactor fuel assembly.
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Gjertsen Robert K. (Monroeville PA) Veronesi Luciano (Pittsburgh PA), Nuclear reactor fuel assembly with improved top nozzle and hold-down means.
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Huckestein Edgar A. (Pittsburgh PA), Nuclear reactor with fuel assembly support means.
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Osborne Jon L. (Richland WA) Flora Barney S. (Benton City WA), PWR Integral tie plate and locking mechanism.
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Le Pargneux, Jacques; Bonnamour, Michel; Filary, Gerard, Process for fabricating nuclear reactor fuel assemblies for light water nuclear reactors.
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Shallenberger John M. (Fox Chapel Boro PA), Reconstitutable nuclear reactor fuel assembly with unitary removable top nozzle subassembly.
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Wilson John F. (Murrysville PA) Gjertsen Robert K. (Monroeville PA), Removable top nozzle subassembly for a reconstitutable nuclear fuel assembly.
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Gjertsen Robert K. (Monroeville Boro PA) Wilson John F. (Murrysville PA), Top nozzle and guide thimble joint structure in a nuclear fuel assembly.
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Myers William N. (Huntsville AL) Hein ; deceased Leopold A. (late of Flintville TN) Hein ; executor Birgit G. (Sparta TN), Tube coupling device.
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