Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Reconstitutable control rod spider assembly










Image Number 4 for United States Patent #4855100.

A reconstitutable control rod spider assembly includes a spider structure, control rods, and attachment joints for detachably fastening the control rods to the spider structure. Each attachment joint includes a connecting finger of the spider structure having a central bore extending therethrough and a pair of opposing flat segments formed on the interior thereof, and an elongated upper end plug of each control rod inserted through the finger bore and having a pair of opposing flat sectors formed on the exterior thereof beng interfitted with the opposing flat segments on the connectng finger to retain the control rod in a predetermined angular position relative to the finger. The upper end plug also has an externally-threaded portion formed on the exterior thereof above the flat sectors and being disposed above the connecting finger, and a pilot aligning portion formed on an outer terminal end thereof above the externally-threaded portion. Also, a securing nut having a central bore, an open bottom end and a closed top end, is inserted over the pilot portion and the externally-threaded portion of the upper end plug and has a radially flexible and expandable thread-defining element captured in the bore of the nut. The element is detachable fastened on the externally-threaded portion of the upper end plug to secure the upper end plug to the connecting finger.








 
 
  Recently Added Patents
Testing SQL query writing skills
Semiconductor device manufacture in which minimum wiring pitch of connecting portion wiring layer is less than minimum wiring pitch of any other wiring layer
Non-aqueous solution process for the preparation of cross-linked polymers
Electronic hand-held device
Rack
Attribute information providing system
Compositions for inhibiting NADPH oxidase activity
  Randomly Featured Patents
Injection method for microfluidic chips
Denatonium capsaicinate and methods of producing the same
Image display unit
Color-changing cereals and confections
Vertical shaft impeller pump apparatus
Submerged water activity platform
Diaper cover for absorbent pad insert
System and method for using voice over a telephone to access, process, and carry out transactions over the internet
Method for distributing documents
Coding/decoding apparatus and coding/decoding method