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










Image Number 5 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
Front face of a vehicle wheel
Antitumoral compounds
Decrementing settings for a range of power caps when a power cap is exceeded
Masking method and apparatus
Piezoelectric ultrasonic transducer apparatus
Electromagnetic probe for measuring properties of a subsurface formation
Method of providing user-tailored entertainment experience at hospitality location and hospitality media system thereof
  Randomly Featured Patents
Vertical pump
Proximity switch operating in a non-contacting manner
Retainer for eye glasses
Method of forming an elevated photodiode in an image sensor
Safety valve
Induction machine using ferromagnetic conducting material in rotor
Magnifying binoculars
Objective optical system for optical pick-up
Apparatus for filling boxes with objects notably fruits, floating in water
Fire detection systems and methods