Gusset discarding sabot munition

• US 4,326,464 A
• Filed: 12/10/1979
• Issued: 04/27/1982
• Est. Priority Date: 12/10/1979
• Status: Expired due to Term

• Current Assignee: United States Of America As Represented By The Secretary Of The Army (Government of the United States of America)
• Original Assignee: The United States Of America As Represented By The Secretary Of The Army
• Inventors: Price, Renata F.
• Primary Examiner(s): TUDOR, HAROLD JAY
• Application Number:
  US06/102,084
• Time in Patent Office: 869 Days
• Field of Search: 102/93, 102/52, 102/520, 102/521, 102/523, 102/518
• US Class Current: 102/523
• CPC Class Codes: F42B 14/061 Sabots for long rod fin stabilised kinetic energy projectiles, i.e. multisegment sabots attached midway on the projectile

Abstract

A discarding sabot munition utilizes a plurality of gusset strengthened st segments to structurally support and spacially position fore and aft bore-riding sabot members to reduce connecting mid-section mass. Radially disposed gusset plates permit a fin-stabilized projectile to be safely launched by a reduced mass sabot with increased velocity and kinetic energy.

Claims

1. A discarding sabot munition which comprises:

a subcaliber fin-stabilized projectile having a pointed front end, a fin-stabilized rear end and a cylindrically shaped central body section, said central body section having a plurality of external circular body threads disposed on a section thereof;

sabot means, operatively disposed circumambient said subcaliber projectile and intermediate said projectile front and rear ends, and interlocked with said body threads of said central body section, for acting as a reduced mass full-caliber carrier for said subcaliber fin-stabilized projectile, for propelling said subcaliber projectile with increased velocity and imparting increased kinetic energy thereto, for preventing inbore balloting of said subcaliber projectile during launch with minimum sabot means mass, and for discarding from said subcaliber projectile after launch, which includes;

a plurality of arcuately shaped sabot segments operatively positioned on said subcaliber projectile;

said sabot segments further include;

a sabot segment member arcuately shaped bore rider front end;

a cylindrically shaped sabot body mid-section member integrally coupled to said bore rider front end;

a sabot segment member arcuately shaped rear end coupled to said sabot body mid-section member having an annular obturating ring groove peripherally located therein for fixedly holding said obturating ring;

an obturating ring operatively disposed in said sabot means for preventing propellant gas blow-by around said sabot means during launch and for releasing said sabot means to discard from said subcaliber projectile after lanuch;

gusset plate means for spacially positioning and structurally supporting said sabot bore rider front end with said sabot segment member rear end, for reducing the overall connecting mass requirements of said sabot body midsection member to enable said sabot munition to acquire increased velocity after launch, which includes;

a plurality of radially disposed gusset plates having longitudinal upper concave surfaces and bottom substantially flat surfaces which are parallel to said central body section thereon which includes;

a central beam member having a modified "I" beam cross-sectional configuration, said central beam member operatively disposed intermediate said sabot bore rider end and said sabot rear end; and

a pair of half beam members equally disposed on both sides of said central beam member, each separated therefrom by longitudinally positioned slots which have essentially parallel sides.

2. A discarding sabot munition as recited in claim 1 wherein said modified "I" beam cross-sectional configuration includes:

an upper portion of triangular shape; and

,

a lower section of concave shape integrally connected with said upper portion.

3. A discarding sabot munition as recited in claim 2 wherein said pair of half beam members includes cross-sectional areas having modified "L" beam configuration substantially similar to said central beam member'"'"'s cross-sectional configuration when radially divided in half.

4. A discarding sabot munition as recited in claim 3 wherein said plurality of radially disposed gusset plates include latteral support members operatively positioned in said longitudinal slots.