Grapple for a fuel bundle channel

Details Grapple for a fuel bundle channel Grapple for a fuel bundle channel

1994-05-23

1995-05-30

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

376262, G21C 1900

Patent

active

054208998

ABSTRACT:
A grapple is provided for use with a fuel bundle channel of a nuclear reactor wherein the channel is provided with a pair of gussets in opposite corners of an upper end of the channel, each gusset having a hole therein. The grapple includes a pair of lever arms, each provided with a lifting foot at a lower end of the respective lever arm. The lever arms are movable in opposite directions to a channel lifting position wherein the channel gripper of each lever arm is located under a respective one of the pair of channel gussets. The channel lifting foot of each lever arm includes a pair of laterally spaced lifting elements such that the lifting feet may engage the underside of the gusset on either side of the gusset hole. In addition, each channel lifting foot includes a secondary foot or slider captured between the pair of lifting elements. The slider includes a hole which can be aligned with the bolt hole in the gusset, permitting a ball lock pin to be inserted into the holes to thereby securely attach the lifting feet to the channel gussets.

REFERENCES:
patent: 4489037 (1984-12-01), Go
patent: 4697322 (1987-10-01), Knecht et al.
patent: 5064606 (1991-11-01), Go

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