Removable control rod drive shaft guide
Patent
·
OSTI ID:7064856
A removable control rod drive shaft guide is described for a control rod ''guide'' structure card, comprising: a. a substantially annular shaped main body portion having a central axial bore for receiving a control rod drive shaft and an upper exterior groove for receiving removal tooling; b. the main body portion having a reduced outer diameter at its lower section; c. a shoulder portion integral with the main body portion for supporting the main body portion on the guide structure card; d. the shoulder portion having a substantially radial bore and the reduced outer diameter lower section having a slot in alignment with the radial bore; e. a locking arm ''pivotaly'' mounted in the radial bore which protrudes into the slot and is movable between a first normal locking position for engaging the guide structure card and a second release position; f. a spring received within a second axial bore in the main body portion and biased against the locking arm for urging and locking arm into the first normal locking position; and g. a release tab at one end of the locking arm for moving the locking arm into the second release position.
- Assignee:
- Babcock and Wilcox Co., New Orleans, LA
- Patent Number(s):
- US 4751042
- OSTI ID:
- 7064856
- Country of Publication:
- United States
- Language:
- English
Similar Records
CONTROL ROD COUPLING FOR NUCLEAR REACTORS
Spark plug assembly for internal combustion engine
Tapered leaf support pin for operating plant guide tubes
Patent
·
Tue Oct 15 00:00:00 EDT 1963
·
OSTI ID:4693929
Spark plug assembly for internal combustion engine
Patent
·
Mon Feb 04 23:00:00 EST 1991
·
OSTI ID:6360901
Tapered leaf support pin for operating plant guide tubes
Patent
·
Tue Jul 30 00:00:00 EDT 1991
·
OSTI ID:5560458