Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Spring disc for securing a combustible cartridge case to a case base










Image Number 4 for United States Patent #6505560.

A spring disc includes a contiguous outer ring including a first plurality of holes and having a contiguous, upwardly curved portion having an outer edge. A middle ring encompasses a second plurality of holes, and a contiguous inner ring, is encompassed by the outer ring and the middle ring. The inner ring surrounds a central aperture sized to accommodate installation onto a cartridge case member, where the outer ring, inner ring and middle ring operate together so as to support the cartridge case by evenly distributing stresses when installed on a cartridge case. A taper angel .theta. is built into a bottom with a value of about 1.degree. as measured from the bottom extending radially from the center of the inner ring to the outer edge with reference to a plane parallel to an imaginary plane overlaid on the contiguous outer edge.








 
 
  Recently Added Patents
Masking method and apparatus
Adjustable box extender
Image forming apparatus forming images in response to image formation request from operation unit or external device
Liquid-level sensor
Cooking oven with energy saving mode and method
Apparatus and method for information processing, program, and recording medium
Imaging apparatus for calculating a histogram to adjust color balance
  Randomly Featured Patents
Process and apparatus for measuring discoloration
Rolling/braking cane
Method and system for processing out of orders frames
Motor with external rotor
Dental sealant for amalgam restorations
Compound lamp shade frame
Mobile station for unmanned vehicle
Apparatus for shipping and installation of ATM
Gustducin polypeptides and fragments
Internal oil flow path for gear box bearings