Zipper chain projectile rammer

Details Zipper chain projectile rammer Zipper chain projectile rammer

1997-10-14

1999-04-20

Joseph, Stephen M.

Ordnance

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Rammers

F41A 943

Patent

active

058958800

ABSTRACT:
Projectile ramming apparatus includes a rammer pawl for engaging the base of a projectile with a rigidizable chain attached to the rammer pawl for providing reciprocating movement thereto. The rigidizable chaining includes a plurality of rows of links having adjacent links pivotally attached to one another. A perimeter of each link enables fixed engagement of adjacent links on each row upon coordinated pivoting of adjacent links in each row and, further, for enabling release of the fixed engagement upon reverse coordinated pivoting of adjacent links. A drive is provided for reciprocally moving the chain and for pivoting adjacent links in order to rigidize the chain as the chain is moved in a forward direction; and unlocking, or unrigidizing, adjacent links as the chain is moved in a reverse direction.

REFERENCES:
patent: 889321 (1908-06-01), Meigs et al.
patent: 925819 (1909-06-01), Meigs et al.
patent: 932034 (1909-08-01), Krone
patent: 987513 (1911-03-01), Vogeler
patent: 3727515 (1973-04-01), Nelson et al.
patent: 3742775 (1973-07-01), Hayes et al.
patent: 4719840 (1988-01-01), Goodell et al.
patent: 5277097 (1994-01-01), Pehker

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