Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...
Patent
1985-09-05
1987-03-24
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
72454, 2940219, 376261, G21C 1900, B21D 100
Patent
active
046524215
ABSTRACT:
An apparatus for repairing a protruding portion of an outer grid strap spring includes a support frame made up of interconnected members defining a generally rectangular opening and a plurality of devices mounted on the frame members above and below the frame opening for attaching the frame to the outer strap of the support grid. At least some of the devices are adjustable for securing the frame in a stationary position on the outer strap so that the frame opening is stationarily aligned with the outwardly protruding spring on the outer strap. A pair of spaced apart rails attached to the members on upper and lower sides of the opeing define a guide channel therebetween which extends along the opening in a first direction. The apparatus also includes a rectangular-shaped slide housing having a pair of spaced vertical flanges on opposite lateral sides thereof defining a passageway through the housing and a guide way extending along the passageway in a second direction generally orthogonal to the first direction. The housing is mounted in the guide channel of the frame for sliding movement along the frame opening back and forth in the first direction between lateral sides thereof for aligning the passageway with the outwardly protruding portion of the outer strap spring. Also, a spring reset mechanism is provided by the apparatus which is operable for resetting the protruding spring to a nonprotruding position relative to the outer strap when the mechanism is aligned with the protruding portion of the spring. The apparatus also has a slide block which supports the spring reset mechanism and is mounted in the guide way of the housing for sliding movement along the housing passageway back and forth in the second direction between upper and lower sides thereof for aligning the spring reset mechanism with the protruding spring portion.
REFERENCES:
patent: 1764243 (1930-06-01), Cornwell
patent: 1847943 (1932-03-01), Griffin
patent: 2091844 (1937-08-01), Blake
patent: 2834099 (1958-05-01), Gasper
patent: 3816896 (1974-06-01), Horsfall
patent: 3850795 (1974-11-01), Thome
patent: 4474730 (1984-10-01), Hellman et al.
patent: 4492844 (1985-01-01), Kobuck et al.
patent: 4539738 (1985-09-01), Antol et al.
Kyle Deborah L.
Wasil Dan
Westinghouse Electric Corp.
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